{"version":3,"file":"hls-demo.js.map","sources":["tests/test-streams.js","node_modules/jsonpack/main.js","node_modules/promise-polyfill/src/finally.js","node_modules/promise-polyfill/src/allSettled.js","node_modules/promise-polyfill/src/any.js","node_modules/promise-polyfill/src/index.js","node_modules/promise-polyfill/src/polyfill.js","demo/demo-utils.js","node_modules/moment/moment.js","node_modules/chart.js/dist/Chart.js","demo/chart/chartjs-horizontal-bar.ts","demo/chart/timeline-chart.ts","demo/main.js"],"sourcesContent":["/**\n * Create test stream\n * @param {string} url\n * @param {string} description\n * @param {boolean} [live]\n * @param {boolean} [abr]\n * @param {string[]} [skip_ua]\n * @returns {{url: string, description: string, live: boolean, abr: boolean, skip_ua: string[]}}\n */\nfunction createTestStream(\n url,\n description,\n live = false,\n abr = true,\n skip_ua = [],\n) {\n return {\n url: url,\n description: description,\n live: live,\n abr: abr,\n skip_ua: skip_ua,\n };\n}\n\n/**\n * @param {Object} target\n * @param {Object} [config]\n * @returns {{url: string, description: string, live: boolean, abr: boolean, skip_ua: string[]}}\n */\nfunction createTestStreamWithConfig(target, config) {\n if (typeof target !== 'object') {\n throw new Error('target should be object');\n }\n\n const testStream = createTestStream(\n target.url,\n target.description,\n target.live,\n target.abr,\n target.skip_ua,\n );\n\n testStream.config = config;\n\n return testStream;\n}\n\nmodule.exports = {\n bbb: {\n url: 'https://test-streams.mux.dev/x36xhzz/x36xhzz.m3u8',\n description: 'Big Buck Bunny - adaptive qualities',\n abr: true,\n },\n fdr: {\n url: 'https://cdn.jwplayer.com/manifests/pZxWPRg4.m3u8',\n description: 'FDR - CDN packaged, 4s segments, 180p - 1080p',\n abr: true,\n },\n bigBuckBunny480p: {\n url: 'https://test-streams.mux.dev/x36xhzz/url_6/193039199_mp4_h264_aac_hq_7.m3u8',\n description: 'Big Buck Bunny - 480p only',\n abr: false,\n },\n arte: {\n url: 'https://test-streams.mux.dev/test_001/stream.m3u8',\n description: 'ARTE China,ABR',\n abr: true,\n },\n deltatreDAI: {\n url: 'https://test-streams.mux.dev/dai-discontinuity-deltatre/manifest.m3u8',\n description: 'Ad-insertion in event stream',\n abr: false,\n },\n issue666: {\n url: 'https://playertest.longtailvideo.com/adaptive/issue666/playlists/cisq0gim60007xzvi505emlxx.m3u8',\n description:\n 'Surveillance footage - https://github.com/video-dev/hls.js/issues/666',\n abr: false,\n },\n closedCaptions: {\n url: 'https://playertest.longtailvideo.com/adaptive/captions/playlist.m3u8',\n description: 'CNN special report, with CC',\n abr: false,\n },\n customIvBadDts: {\n url: 'https://playertest.longtailvideo.com/adaptive/customIV/prog_index.m3u8',\n description: 'Custom IV with bad PTS DTS',\n abr: false,\n },\n oceansAES: {\n url: 'https://playertest.longtailvideo.com/adaptive/oceans_aes/oceans_aes.m3u8',\n description: 'AES-128 encrypted, ABR',\n abr: true,\n },\n tracksWithAES: {\n url: 'https://playertest.longtailvideo.com/adaptive/aes-with-tracks/master.m3u8',\n description: 'AES-128 encrypted, TS main with AAC audio track',\n abr: false,\n },\n mp3Audio: {\n url: 'https://playertest.longtailvideo.com/adaptive/vod-with-mp3/manifest.m3u8',\n description: 'MP3 VOD demo',\n abr: false,\n },\n mpegAudioOnly: {\n url: 'https://pl.streamingvideoprovider.com/mp3-playlist/playlist.m3u8',\n description: 'MPEG Audio Only demo',\n abr: false,\n skip_ua: ['MicrosoftEdge', 'firefox'],\n },\n fmp4: {\n url: 'https://storage.googleapis.com/shaka-demo-assets/angel-one-hls/hls.m3u8',\n description: 'HLS fMP4 Angel-One multiple audio-tracks',\n abr: true,\n },\n fmp4Bitmovin: {\n url: 'https://bitdash-a.akamaihd.net/content/MI201109210084_1/m3u8s-fmp4/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.m3u8',\n description: 'HLS fMP4 by Bitmovin',\n abr: true,\n },\n fmp4BitmovinHevc: {\n url: 'https://bitmovin-a.akamaihd.net/content/dataset/multi-codec/hevc/stream_fmp4.m3u8',\n description:\n 'HLS HEVC fMP4 by Bitmovin (Safari and Edge? only as of 2020-08)',\n abr: true,\n skipFunctionalTests: true,\n },\n offset_pts: {\n url: 'https://test-streams.mux.dev/pts_shift/master.m3u8',\n description: 'DK Turntable, PTS shifted by 2.3s',\n abr: true,\n },\n angelOneShakaWidevine: createTestStreamWithConfig(\n {\n url: 'https://storage.googleapis.com/shaka-demo-assets/angel-one-widevine-hls/hls.m3u8',\n description:\n 'Shaka-packager Widevine DRM (EME) HLS-fMP4 - Angel One Demo',\n abr: true,\n skip_ua: [\n 'firefox',\n 'safari',\n { name: 'chrome', version: '75.0' },\n { name: 'chrome', version: '79.0' },\n ],\n },\n {\n widevineLicenseUrl: 'https://cwip-shaka-proxy.appspot.com/no_auth',\n emeEnabled: true,\n },\n ),\n audioOnlyMultipleLevels: {\n url: 'https://s3.amazonaws.com/qa.jwplayer.com/~alex/121628/new_master.m3u8',\n description: 'Multiple non-alternate audio levels',\n abr: true,\n },\n pdtDuplicate: {\n url: 'https://playertest.longtailvideo.com/adaptive/artbeats/manifest.m3u8',\n description: 'Duplicate sequential PDT values',\n abr: false,\n },\n pdtLargeGap: {\n url: 'https://playertest.longtailvideo.com/adaptive/boxee/playlist.m3u8',\n description: 'PDTs with large gaps following discontinuities',\n abr: false,\n },\n pdtBadValues: {\n url: 'https://playertest.longtailvideo.com/adaptive/progdatime/playlist2.m3u8',\n description: 'PDTs with bad values',\n abr: false,\n },\n pdtOneValue: {\n url: 'https://playertest.longtailvideo.com/adaptive/aviion/manifest.m3u8',\n description: 'One PDT, no discontinuities',\n abr: false,\n },\n noTrackIntersection: createTestStreamWithConfig(\n {\n url: 'https://s3.amazonaws.com/qa.jwplayer.com/~alex/123633/new_master.m3u8',\n description:\n 'Audio/video track PTS values do not intersect; 10 second start gap',\n abr: false,\n },\n {\n avBufferOffset: 10.5,\n },\n ),\n altAudioAndTracks: {\n // url: 'https://wowzaec2demo.streamlock.net/vod-multitrack/_definst_/smil:ElephantsDream/elephantsdream2.smil/playlist.m3u',\n url: 'https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/index.m3u8',\n description: 'Alternate audio tracks, and multiple VTT tracks',\n vendor: 'wowza',\n abr: true,\n },\n altAudioAudioOnly: createTestStreamWithConfig(\n {\n url: 'https://playertest.longtailvideo.com/adaptive/alt-audio-no-video/sintel/playlist.m3u8',\n description: 'Audio only with alternate audio track (Sintel)',\n abr: false,\n },\n {\n // the playlist segment durations are longer than the media. So much so, that when seeking near the end,\n // the timeline shifts roughly 10 seconds seconds back, and as a result buffering skips several segments\n // to adjust for the currentTime now being places at the very end of the stream.\n allowedBufferedRangesInSeekTest: 3,\n },\n ),\n altAudioMultiAudioOnly: {\n url: 'https://playertest.longtailvideo.com/adaptive/alt-audio-no-video/angel-one.m3u8',\n description: 'Audio only with multiple alternate audio tracks (Angel One)',\n abr: false,\n },\n muxedFmp4: {\n url: 'https://s3.amazonaws.com/qa.jwplayer.com/hlsjs/muxed-fmp4/hls.m3u8',\n description: 'Muxed av fmp4 - appended to \"audiovideo\" SourceBuffer',\n abr: false,\n },\n altAudioWithPdtAndStartGap: {\n url: 'https://playertest.longtailvideo.com/adaptive/hls-test-streams/test-audio-pdt/playlist.m3u8',\n description: 'PDT before each segment, 1.59s start gap',\n // Disable smooth switch on this stream. Test is flakey because of what looks like (auto)play issue. To be expected with this large a gap (for now).\n // abr: true,\n startSeek: true,\n },\n AppleAdvancedHevcAvcHls: {\n url: 'https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_adv_example_hevc/master.m3u8',\n description:\n 'Advanced stream (HEVC/H.264, AC-3/AAC, WebVTT, fMP4 segments)',\n },\n MuxLowLatencyHls: {\n url: 'https://stream.mux.com/v69RSHhFelSm4701snP22dYz2jICy4E4FUyk02rW4gxRM.m3u8',\n description:\n 'Low-Latency HLS sample of Big Buck Bunny loop and a timer. Restarts every 12 hours. (fMP4 segments)',\n live: true,\n },\n // AppleLowLatencyHls: {\n // url: 'https://ll-hls-test.apple.com/master.m3u8',\n // description: 'Apple Low-Latency HLS sample (TS segments)',\n // live: true,\n // },\n // AppleLowLatencyCmafHls: {\n // url: 'https://ll-hls-test.apple.com/cmaf/master.m3u8',\n // description: 'Apple Low-Latency HLS sample (fMP4 segments)',\n // live: true,\n // },\n groupIds: {\n url: 'https://mtoczko.github.io/hls-test-streams/test-group/playlist.m3u8',\n description: 'Group-id: subtitle and audio',\n abr: true,\n skipFunctionalTests: true,\n },\n redundantLevelsWithTrackGroups: {\n url: 'https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/redundant.m3u8',\n description: 'Redundant levels with subtitle and audio track groups',\n abr: true,\n skipFunctionalTests: true,\n },\n startDelimiterOverlappingBetweenPESPackets: {\n url: 'https://wistia.github.io/hlsjs-test-streams/assets/start-delimiter.m3u8',\n description: `A stream with the start delimiter overlapping between PES packets.\n Related to https://github.com/video-dev/hls.js/issues/3834, where Apple Silicon chips throw decoding errors if\n NAL units are not starting right at the beginning of the PES packet when using hardware accelerated decoding.`,\n abr: false,\n skipFunctionalTests: true,\n },\n};\n","/*\n Copyright (c) 2013, Rodrigo González, Sapienlab All Rights Reserved.\n Available via MIT LICENSE. See https://github.com/roro89/jsonpack/blob/master/LICENSE.md for details.\n */\n(function(define) {\n\n\tdefine([], function() {\n\n\t\tvar TOKEN_TRUE = -1;\n\t\tvar TOKEN_FALSE = -2;\n\t\tvar TOKEN_NULL = -3;\n\t\tvar TOKEN_EMPTY_STRING = -4;\n\t\tvar TOKEN_UNDEFINED = -5;\n\n\t\tvar pack = function(json, options) {\n\n\t\t\t// Canonizes the options\n\t\t\toptions = options || {};\n\n\t\t\t// A shorthand for debugging\n\t\t\tvar verbose = options.verbose || false;\n\n\t\t\tverbose && console.log('Normalize the JSON Object');\n\n\t\t\t// JSON as Javascript Object (Not string representation)\n\t\t\tjson = typeof json === 'string' ? this.JSON.parse(json) : json;\n\n\t\t\tverbose && console.log('Creating a empty dictionary');\n\n\t\t\t// The dictionary\n\t\t\tvar dictionary = {\n\t\t\t\tstrings : [],\n\t\t\t\tintegers : [],\n\t\t\t\tfloats : []\n\t\t\t};\n\n\t\t\tverbose && console.log('Creating the AST');\n\n\t\t\t// The AST\n\t\t\tvar ast = (function recursiveAstBuilder(item) {\n\n\t\t\t\tverbose && console.log('Calling recursiveAstBuilder with ' + this.JSON.stringify(item));\n\n\t\t\t\t// The type of the item\n\t\t\t\tvar type = typeof item;\n\n\t\t\t\t// Case 7: The item is null\n\t\t\t\tif (item === null) {\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttype : 'null',\n\t\t\t\t\t\tindex : TOKEN_NULL\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t\t\n\t\t\t\t//add undefined \n\t\t\t\tif (typeof item === 'undefined') {\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttype : 'undefined',\n\t\t\t\t\t\tindex : TOKEN_UNDEFINED\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Case 1: The item is Array Object\n\t\t\t\tif ( item instanceof Array) {\n\n\t\t\t\t\t// Create a new sub-AST of type Array (@)\n\t\t\t\t\tvar ast = ['@'];\n\n\t\t\t\t\t// Add each items\n\t\t\t\t\tfor (var i in item) {\n\t\t\t\t\t\t\n\t\t\t\t\t\tif (!item.hasOwnProperty(i)) continue;\n\n\t\t\t\t\t\tast.push(recursiveAstBuilder(item[i]));\n\t\t\t\t\t}\n\n\t\t\t\t\t// And return\n\t\t\t\t\treturn ast;\n\n\t\t\t\t}\n\n\t\t\t\t// Case 2: The item is Object\n\t\t\t\tif (type === 'object') {\n\n\t\t\t\t\t// Create a new sub-AST of type Object ($)\n\t\t\t\t\tvar ast = ['$'];\n\n\t\t\t\t\t// Add each items\n\t\t\t\t\tfor (var key in item) {\n\n\t\t\t\t\t\tif (!item.hasOwnProperty(key))\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t\tast.push(recursiveAstBuilder(key));\n\t\t\t\t\t\tast.push(recursiveAstBuilder(item[key]));\n\t\t\t\t\t}\n\n\t\t\t\t\t// And return\n\t\t\t\t\treturn ast;\n\n\t\t\t\t}\n\n\t\t\t\t// Case 3: The item empty string\n\t\t\t\tif (item === '') {\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttype : 'empty',\n\t\t\t\t\t\tindex : TOKEN_EMPTY_STRING\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Case 4: The item is String\n\t\t\t\tif (type === 'string') {\n\n\t\t\t\t\t// The index of that word in the dictionary\n\t\t\t\t\tvar index = _indexOf.call(dictionary.strings, item);\n\n\t\t\t\t\t// If not, add to the dictionary and actualize the index\n\t\t\t\t\tif (index == -1) {\n\t\t\t\t\t\tdictionary.strings.push(_encode(item));\n\t\t\t\t\t\tindex = dictionary.strings.length - 1;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Return the token\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttype : 'strings',\n\t\t\t\t\t\tindex : index\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Case 5: The item is integer\n\t\t\t\tif (type === 'number' && item % 1 === 0) {\n\n\t\t\t\t\t// The index of that number in the dictionary\n\t\t\t\t\tvar index = _indexOf.call(dictionary.integers, item);\n\n\t\t\t\t\t// If not, add to the dictionary and actualize the index\n\t\t\t\t\tif (index == -1) {\n\t\t\t\t\t\tdictionary.integers.push(_base10To36(item));\n\t\t\t\t\t\tindex = dictionary.integers.length - 1;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Return the token\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttype : 'integers',\n\t\t\t\t\t\tindex : index\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Case 6: The item is float\n\t\t\t\tif (type === 'number') {\n\t\t\t\t\t// The index of that number in the dictionary\n\t\t\t\t\tvar index = _indexOf.call(dictionary.floats, item);\n\n\t\t\t\t\t// If not, add to the dictionary and actualize the index\n\t\t\t\t\tif (index == -1) {\n\t\t\t\t\t\t// Float not use base 36\n\t\t\t\t\t\tdictionary.floats.push(item);\n\t\t\t\t\t\tindex = dictionary.floats.length - 1;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Return the token\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttype : 'floats',\n\t\t\t\t\t\tindex : index\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Case 7: The item is boolean\n\t\t\t\tif (type === 'boolean') {\n\t\t\t\t\treturn {\n\t\t\t\t\t\ttype : 'boolean',\n\t\t\t\t\t\tindex : item ? TOKEN_TRUE : TOKEN_FALSE\n\t\t\t\t\t};\n\t\t\t\t}\n\n\t\t\t\t// Default\n\t\t\t\tthrow new Error('Unexpected argument of type ' + typeof (item));\n\n\t\t\t})(json);\n\n\t\t\t// A set of shorthands proxies for the length of the dictionaries\n\t\t\tvar stringLength = dictionary.strings.length;\n\t\t\tvar integerLength = dictionary.integers.length;\n\t\t\tvar floatLength = dictionary.floats.length;\n\n\t\t\tverbose && console.log('Parsing the dictionary');\n\n\t\t\t// Create a raw dictionary\n\t\t\tvar packed = dictionary.strings.join('|');\n\t\t\tpacked += '^' + dictionary.integers.join('|');\n\t\t\tpacked += '^' + dictionary.floats.join('|');\n\n\t\t\tverbose && console.log('Parsing the structure');\n\n\t\t\t// And add the structure\n\t\t\tpacked += '^' + (function recursiveParser(item) {\n\n\t\t\t\tverbose && console.log('Calling a recursiveParser with ' + this.JSON.stringify(item));\n\n\t\t\t\t// If the item is Array, then is a object of\n\t\t\t\t// type [object Object] or [object Array]\n\t\t\t\tif ( item instanceof Array) {\n\n\t\t\t\t\t// The packed resulting\n\t\t\t\t\tvar packed = item.shift();\n\n\t\t\t\t\tfor (var i in item) {\n\t\t\t\t\t\t\n\t\t\t\t\t\tif (!item.hasOwnProperty(i)) \n\t\t\t\t\t\t\tcontinue;\n\t\t\t\t\t\t\n\t\t\t\t\t\tpacked += recursiveParser(item[i]) + '|';\n\t\t\t\t\t}\n\n\t\t\t\t\treturn (packed[packed.length - 1] === '|' ? packed.slice(0, -1) : packed) + ']';\n\n\t\t\t\t}\n\n\t\t\t\t// A shorthand proxies\n\t\t\t\tvar type = item.type, index = item.index;\n\n\t\t\t\tif (type === 'strings') {\n\t\t\t\t\t// Just return the base 36 of index\n\t\t\t\t\treturn _base10To36(index);\n\t\t\t\t}\n\n\t\t\t\tif (type === 'integers') {\n\t\t\t\t\t// Return a base 36 of index plus stringLength offset\n\t\t\t\t\treturn _base10To36(stringLength + index);\n\t\t\t\t}\n\n\t\t\t\tif (type === 'floats') {\n\t\t\t\t\t// Return a base 36 of index plus stringLength and integerLength offset\n\t\t\t\t\treturn _base10To36(stringLength + integerLength + index);\n\t\t\t\t}\n\n\t\t\t\tif (type === 'boolean') {\n\t\t\t\t\treturn item.index;\n\t\t\t\t}\n\n\t\t\t\tif (type === 'null') {\n\t\t\t\t\treturn TOKEN_NULL;\n\t\t\t\t}\n\n\t\t\t\tif (type === 'undefined') {\n\t\t\t\t\treturn TOKEN_UNDEFINED;\n\t\t\t\t}\n\n\t\t\t\tif (type === 'empty') {\n\t\t\t\t\treturn TOKEN_EMPTY_STRING;\n\t\t\t\t}\n\n\t\t\t\tthrow new TypeError('The item is alien!');\n\n\t\t\t})(ast);\n\n\t\t\tverbose && console.log('Ending parser');\n\n\t\t\t// If debug, return a internal representation of dictionary and stuff\n\t\t\tif (options.debug)\n\t\t\t\treturn {\n\t\t\t\t\tdictionary : dictionary,\n\t\t\t\t\tast : ast,\n\t\t\t\t\tpacked : packed\n\t\t\t\t};\n\n\t\t\treturn packed;\n\n\t\t};\n\n\t\tvar unpack = function(packed, options) {\n\n\t\t\t// Canonizes the options\n\t\t\toptions = options || {};\n\n\t\t\t// A raw buffer\n\t\t\tvar rawBuffers = packed.split('^');\n\n\t\t\t// Create a dictionary\n\t\t\toptions.verbose && console.log('Building dictionary');\n\t\t\tvar dictionary = [];\n\n\t\t\t// Add the strings values\n\t\t\tvar buffer = rawBuffers[0];\n\t\t\tif (buffer !== '') {\n\t\t\t\tbuffer = buffer.split('|');\n\t\t\t\toptions.verbose && console.log('Parse the strings dictionary');\n\t\t\t\tfor (var i=0, n=buffer.length; i} */\n this._deferreds = [];\n\n doResolve(fn, this);\n}\n\nfunction handle(self, deferred) {\n while (self._state === 3) {\n self = self._value;\n }\n if (self._state === 0) {\n self._deferreds.push(deferred);\n return;\n }\n self._handled = true;\n Promise._immediateFn(function() {\n var cb = self._state === 1 ? deferred.onFulfilled : deferred.onRejected;\n if (cb === null) {\n (self._state === 1 ? resolve : reject)(deferred.promise, self._value);\n return;\n }\n var ret;\n try {\n ret = cb(self._value);\n } catch (e) {\n reject(deferred.promise, e);\n return;\n }\n resolve(deferred.promise, ret);\n });\n}\n\nfunction resolve(self, newValue) {\n try {\n // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure\n if (newValue === self)\n throw new TypeError('A promise cannot be resolved with itself.');\n if (\n newValue &&\n (typeof newValue === 'object' || typeof newValue === 'function')\n ) {\n var then = newValue.then;\n if (newValue instanceof Promise) {\n self._state = 3;\n self._value = newValue;\n finale(self);\n return;\n } else if (typeof then === 'function') {\n doResolve(bind(then, newValue), self);\n return;\n }\n }\n self._state = 1;\n self._value = newValue;\n finale(self);\n } catch (e) {\n reject(self, e);\n }\n}\n\nfunction reject(self, newValue) {\n self._state = 2;\n self._value = newValue;\n finale(self);\n}\n\nfunction finale(self) {\n if (self._state === 2 && self._deferreds.length === 0) {\n Promise._immediateFn(function() {\n if (!self._handled) {\n Promise._unhandledRejectionFn(self._value);\n }\n });\n }\n\n for (var i = 0, len = self._deferreds.length; i < len; i++) {\n handle(self, self._deferreds[i]);\n }\n self._deferreds = null;\n}\n\n/**\n * @constructor\n */\nfunction Handler(onFulfilled, onRejected, promise) {\n this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;\n this.onRejected = typeof onRejected === 'function' ? onRejected : null;\n this.promise = promise;\n}\n\n/**\n * Take a potentially misbehaving resolver function and make sure\n * onFulfilled and onRejected are only called once.\n *\n * Makes no guarantees about asynchrony.\n */\nfunction doResolve(fn, self) {\n var done = false;\n try {\n fn(\n function(value) {\n if (done) return;\n done = true;\n resolve(self, value);\n },\n function(reason) {\n if (done) return;\n done = true;\n reject(self, reason);\n }\n );\n } catch (ex) {\n if (done) return;\n done = true;\n reject(self, ex);\n }\n}\n\nPromise.prototype['catch'] = function(onRejected) {\n return this.then(null, onRejected);\n};\n\nPromise.prototype.then = function(onFulfilled, onRejected) {\n // @ts-ignore\n var prom = new this.constructor(noop);\n\n handle(this, new Handler(onFulfilled, onRejected, prom));\n return prom;\n};\n\nPromise.prototype['finally'] = promiseFinally;\n\nPromise.all = function(arr) {\n return new Promise(function(resolve, reject) {\n if (!isArray(arr)) {\n return reject(new TypeError('Promise.all accepts an array'));\n }\n\n var args = Array.prototype.slice.call(arr);\n if (args.length === 0) return resolve([]);\n var remaining = args.length;\n\n function res(i, val) {\n try {\n if (val && (typeof val === 'object' || typeof val === 'function')) {\n var then = val.then;\n if (typeof then === 'function') {\n then.call(\n val,\n function(val) {\n res(i, val);\n },\n reject\n );\n return;\n }\n }\n args[i] = val;\n if (--remaining === 0) {\n resolve(args);\n }\n } catch (ex) {\n reject(ex);\n }\n }\n\n for (var i = 0; i < args.length; i++) {\n res(i, args[i]);\n }\n });\n};\n\nPromise.any = any;\n\nPromise.allSettled = allSettled;\n\nPromise.resolve = function(value) {\n if (value && typeof value === 'object' && value.constructor === Promise) {\n return value;\n }\n\n return new Promise(function(resolve) {\n resolve(value);\n });\n};\n\nPromise.reject = function(value) {\n return new Promise(function(resolve, reject) {\n reject(value);\n });\n};\n\nPromise.race = function(arr) {\n return new Promise(function(resolve, reject) {\n if (!isArray(arr)) {\n return reject(new TypeError('Promise.race accepts an array'));\n }\n\n for (var i = 0, len = arr.length; i < len; i++) {\n Promise.resolve(arr[i]).then(resolve, reject);\n }\n });\n};\n\n// Use polyfill for setImmediate for performance gains\nPromise._immediateFn =\n // @ts-ignore\n (typeof setImmediate === 'function' &&\n function(fn) {\n // @ts-ignore\n setImmediate(fn);\n }) ||\n function(fn) {\n setTimeoutFunc(fn, 0);\n };\n\nPromise._unhandledRejectionFn = function _unhandledRejectionFn(err) {\n if (typeof console !== 'undefined' && console) {\n console.warn('Possible Unhandled Promise Rejection:', err); // eslint-disable-line no-console\n }\n};\n\nexport default Promise;\n","import Promise from './index';\nimport promiseFinally from './finally';\nimport allSettled from './allSettled';\nimport any from './any';\n\n/** @suppress {undefinedVars} */\nvar globalNS = (function() {\n // the only reliable means to get the global object is\n // `Function('return this')()`\n // However, this causes CSP violations in Chrome apps.\n if (typeof self !== 'undefined') {\n return self;\n }\n if (typeof window !== 'undefined') {\n return window;\n }\n if (typeof global !== 'undefined') {\n return global;\n }\n throw new Error('unable to locate global object');\n})();\n\n// Expose the polyfill if Promise is undefined or set to a\n// non-function value. The latter can be due to a named HTMLElement\n// being exposed by browsers for legacy reasons.\n// https://github.com/taylorhakes/promise-polyfill/issues/114\nif (typeof globalNS['Promise'] !== 'function') {\n globalNS['Promise'] = Promise;\n} else {\n if (!globalNS.Promise.prototype['finally']) {\n globalNS.Promise.prototype['finally'] = promiseFinally;\n }\n if (!globalNS.Promise.allSettled) {\n globalNS.Promise.allSettled = allSettled;\n }\n if (!globalNS.Promise.any) {\n globalNS.Promise.any = any;\n }\n}\n","export function sortObject(obj) {\n if (typeof obj !== 'object') {\n return obj;\n }\n let temp = {};\n let keys = [];\n for (let key in obj) {\n keys.push(key);\n }\n keys.sort();\n for (let index in keys) {\n temp[keys[index]] = sortObject(obj[keys[index]]);\n }\n return temp;\n}\n\nexport function copyTextToClipboard(text) {\n let textArea = document.createElement('textarea');\n textArea.value = text;\n document.body.appendChild(textArea);\n textArea.select();\n try {\n let successful = document.execCommand('copy');\n let msg = successful ? 'successful' : 'unsuccessful';\n console.log('Copying text command was ' + msg);\n } catch (err) {\n console.log('Oops, unable to copy');\n }\n document.body.removeChild(textArea);\n}\n","//! moment.js\n//! version : 2.29.4\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n;(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n global.moment = factory()\n}(this, (function () { 'use strict';\n\n var hookCallback;\n\n function hooks() {\n return hookCallback.apply(null, arguments);\n }\n\n // This is done to register the method called with moment()\n // without creating circular dependencies.\n function setHookCallback(callback) {\n hookCallback = callback;\n }\n\n function isArray(input) {\n return (\n input instanceof Array ||\n Object.prototype.toString.call(input) === '[object Array]'\n );\n }\n\n function isObject(input) {\n // IE8 will treat undefined and null as object if it wasn't for\n // input != null\n return (\n input != null &&\n Object.prototype.toString.call(input) === '[object Object]'\n );\n }\n\n function hasOwnProp(a, b) {\n return Object.prototype.hasOwnProperty.call(a, b);\n }\n\n function isObjectEmpty(obj) {\n if (Object.getOwnPropertyNames) {\n return Object.getOwnPropertyNames(obj).length === 0;\n } else {\n var k;\n for (k in obj) {\n if (hasOwnProp(obj, k)) {\n return false;\n }\n }\n return true;\n }\n }\n\n function isUndefined(input) {\n return input === void 0;\n }\n\n function isNumber(input) {\n return (\n typeof input === 'number' ||\n Object.prototype.toString.call(input) === '[object Number]'\n );\n }\n\n function isDate(input) {\n return (\n input instanceof Date ||\n Object.prototype.toString.call(input) === '[object Date]'\n );\n }\n\n function map(arr, fn) {\n var res = [],\n i,\n arrLen = arr.length;\n for (i = 0; i < arrLen; ++i) {\n res.push(fn(arr[i], i));\n }\n return res;\n }\n\n function extend(a, b) {\n for (var i in b) {\n if (hasOwnProp(b, i)) {\n a[i] = b[i];\n }\n }\n\n if (hasOwnProp(b, 'toString')) {\n a.toString = b.toString;\n }\n\n if (hasOwnProp(b, 'valueOf')) {\n a.valueOf = b.valueOf;\n }\n\n return a;\n }\n\n function createUTC(input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, true).utc();\n }\n\n function defaultParsingFlags() {\n // We need to deep clone this object.\n return {\n empty: false,\n unusedTokens: [],\n unusedInput: [],\n overflow: -2,\n charsLeftOver: 0,\n nullInput: false,\n invalidEra: null,\n invalidMonth: null,\n invalidFormat: false,\n userInvalidated: false,\n iso: false,\n parsedDateParts: [],\n era: null,\n meridiem: null,\n rfc2822: false,\n weekdayMismatch: false,\n };\n }\n\n function getParsingFlags(m) {\n if (m._pf == null) {\n m._pf = defaultParsingFlags();\n }\n return m._pf;\n }\n\n var some;\n if (Array.prototype.some) {\n some = Array.prototype.some;\n } else {\n some = function (fun) {\n var t = Object(this),\n len = t.length >>> 0,\n i;\n\n for (i = 0; i < len; i++) {\n if (i in t && fun.call(this, t[i], i, t)) {\n return true;\n }\n }\n\n return false;\n };\n }\n\n function isValid(m) {\n if (m._isValid == null) {\n var flags = getParsingFlags(m),\n parsedParts = some.call(flags.parsedDateParts, function (i) {\n return i != null;\n }),\n isNowValid =\n !isNaN(m._d.getTime()) &&\n flags.overflow < 0 &&\n !flags.empty &&\n !flags.invalidEra &&\n !flags.invalidMonth &&\n !flags.invalidWeekday &&\n !flags.weekdayMismatch &&\n !flags.nullInput &&\n !flags.invalidFormat &&\n !flags.userInvalidated &&\n (!flags.meridiem || (flags.meridiem && parsedParts));\n\n if (m._strict) {\n isNowValid =\n isNowValid &&\n flags.charsLeftOver === 0 &&\n flags.unusedTokens.length === 0 &&\n flags.bigHour === undefined;\n }\n\n if (Object.isFrozen == null || !Object.isFrozen(m)) {\n m._isValid = isNowValid;\n } else {\n return isNowValid;\n }\n }\n return m._isValid;\n }\n\n function createInvalid(flags) {\n var m = createUTC(NaN);\n if (flags != null) {\n extend(getParsingFlags(m), flags);\n } else {\n getParsingFlags(m).userInvalidated = true;\n }\n\n return m;\n }\n\n // Plugins that add properties should also add the key here (null value),\n // so we can properly clone ourselves.\n var momentProperties = (hooks.momentProperties = []),\n updateInProgress = false;\n\n function copyConfig(to, from) {\n var i,\n prop,\n val,\n momentPropertiesLen = momentProperties.length;\n\n if (!isUndefined(from._isAMomentObject)) {\n to._isAMomentObject = from._isAMomentObject;\n }\n if (!isUndefined(from._i)) {\n to._i = from._i;\n }\n if (!isUndefined(from._f)) {\n to._f = from._f;\n }\n if (!isUndefined(from._l)) {\n to._l = from._l;\n }\n if (!isUndefined(from._strict)) {\n to._strict = from._strict;\n }\n if (!isUndefined(from._tzm)) {\n to._tzm = from._tzm;\n }\n if (!isUndefined(from._isUTC)) {\n to._isUTC = from._isUTC;\n }\n if (!isUndefined(from._offset)) {\n to._offset = from._offset;\n }\n if (!isUndefined(from._pf)) {\n to._pf = getParsingFlags(from);\n }\n if (!isUndefined(from._locale)) {\n to._locale = from._locale;\n }\n\n if (momentPropertiesLen > 0) {\n for (i = 0; i < momentPropertiesLen; i++) {\n prop = momentProperties[i];\n val = from[prop];\n if (!isUndefined(val)) {\n to[prop] = val;\n }\n }\n }\n\n return to;\n }\n\n // Moment prototype object\n function Moment(config) {\n copyConfig(this, config);\n this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n if (!this.isValid()) {\n this._d = new Date(NaN);\n }\n // Prevent infinite loop in case updateOffset creates new moment\n // objects.\n if (updateInProgress === false) {\n updateInProgress = true;\n hooks.updateOffset(this);\n updateInProgress = false;\n }\n }\n\n function isMoment(obj) {\n return (\n obj instanceof Moment || (obj != null && obj._isAMomentObject != null)\n );\n }\n\n function warn(msg) {\n if (\n hooks.suppressDeprecationWarnings === false &&\n typeof console !== 'undefined' &&\n console.warn\n ) {\n console.warn('Deprecation warning: ' + msg);\n }\n }\n\n function deprecate(msg, fn) {\n var firstTime = true;\n\n return extend(function () {\n if (hooks.deprecationHandler != null) {\n hooks.deprecationHandler(null, msg);\n }\n if (firstTime) {\n var args = [],\n arg,\n i,\n key,\n argLen = arguments.length;\n for (i = 0; i < argLen; i++) {\n arg = '';\n if (typeof arguments[i] === 'object') {\n arg += '\\n[' + i + '] ';\n for (key in arguments[0]) {\n if (hasOwnProp(arguments[0], key)) {\n arg += key + ': ' + arguments[0][key] + ', ';\n }\n }\n arg = arg.slice(0, -2); // Remove trailing comma and space\n } else {\n arg = arguments[i];\n }\n args.push(arg);\n }\n warn(\n msg +\n '\\nArguments: ' +\n Array.prototype.slice.call(args).join('') +\n '\\n' +\n new Error().stack\n );\n firstTime = false;\n }\n return fn.apply(this, arguments);\n }, fn);\n }\n\n var deprecations = {};\n\n function deprecateSimple(name, msg) {\n if (hooks.deprecationHandler != null) {\n hooks.deprecationHandler(name, msg);\n }\n if (!deprecations[name]) {\n warn(msg);\n deprecations[name] = true;\n }\n }\n\n hooks.suppressDeprecationWarnings = false;\n hooks.deprecationHandler = null;\n\n function isFunction(input) {\n return (\n (typeof Function !== 'undefined' && input instanceof Function) ||\n Object.prototype.toString.call(input) === '[object Function]'\n );\n }\n\n function set(config) {\n var prop, i;\n for (i in config) {\n if (hasOwnProp(config, i)) {\n prop = config[i];\n if (isFunction(prop)) {\n this[i] = prop;\n } else {\n this['_' + i] = prop;\n }\n }\n }\n this._config = config;\n // Lenient ordinal parsing accepts just a number in addition to\n // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n // TODO: Remove \"ordinalParse\" fallback in next major release.\n this._dayOfMonthOrdinalParseLenient = new RegExp(\n (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +\n '|' +\n /\\d{1,2}/.source\n );\n }\n\n function mergeConfigs(parentConfig, childConfig) {\n var res = extend({}, parentConfig),\n prop;\n for (prop in childConfig) {\n if (hasOwnProp(childConfig, prop)) {\n if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n res[prop] = {};\n extend(res[prop], parentConfig[prop]);\n extend(res[prop], childConfig[prop]);\n } else if (childConfig[prop] != null) {\n res[prop] = childConfig[prop];\n } else {\n delete res[prop];\n }\n }\n }\n for (prop in parentConfig) {\n if (\n hasOwnProp(parentConfig, prop) &&\n !hasOwnProp(childConfig, prop) &&\n isObject(parentConfig[prop])\n ) {\n // make sure changes to properties don't modify parent config\n res[prop] = extend({}, res[prop]);\n }\n }\n return res;\n }\n\n function Locale(config) {\n if (config != null) {\n this.set(config);\n }\n }\n\n var keys;\n\n if (Object.keys) {\n keys = Object.keys;\n } else {\n keys = function (obj) {\n var i,\n res = [];\n for (i in obj) {\n if (hasOwnProp(obj, i)) {\n res.push(i);\n }\n }\n return res;\n };\n }\n\n var defaultCalendar = {\n sameDay: '[Today at] LT',\n nextDay: '[Tomorrow at] LT',\n nextWeek: 'dddd [at] LT',\n lastDay: '[Yesterday at] LT',\n lastWeek: '[Last] dddd [at] LT',\n sameElse: 'L',\n };\n\n function calendar(key, mom, now) {\n var output = this._calendar[key] || this._calendar['sameElse'];\n return isFunction(output) ? output.call(mom, now) : output;\n }\n\n function zeroFill(number, targetLength, forceSign) {\n var absNumber = '' + Math.abs(number),\n zerosToFill = targetLength - absNumber.length,\n sign = number >= 0;\n return (\n (sign ? (forceSign ? '+' : '') : '-') +\n Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) +\n absNumber\n );\n }\n\n var formattingTokens =\n /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|N{1,5}|YYYYYY|YYYYY|YYYY|YY|y{2,4}|yo?|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,\n localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g,\n formatFunctions = {},\n formatTokenFunctions = {};\n\n // token: 'M'\n // padded: ['MM', 2]\n // ordinal: 'Mo'\n // callback: function () { this.month() + 1 }\n function addFormatToken(token, padded, ordinal, callback) {\n var func = callback;\n if (typeof callback === 'string') {\n func = function () {\n return this[callback]();\n };\n }\n if (token) {\n formatTokenFunctions[token] = func;\n }\n if (padded) {\n formatTokenFunctions[padded[0]] = function () {\n return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n };\n }\n if (ordinal) {\n formatTokenFunctions[ordinal] = function () {\n return this.localeData().ordinal(\n func.apply(this, arguments),\n token\n );\n };\n }\n }\n\n function removeFormattingTokens(input) {\n if (input.match(/\\[[\\s\\S]/)) {\n return input.replace(/^\\[|\\]$/g, '');\n }\n return input.replace(/\\\\/g, '');\n }\n\n function makeFormatFunction(format) {\n var array = format.match(formattingTokens),\n i,\n length;\n\n for (i = 0, length = array.length; i < length; i++) {\n if (formatTokenFunctions[array[i]]) {\n array[i] = formatTokenFunctions[array[i]];\n } else {\n array[i] = removeFormattingTokens(array[i]);\n }\n }\n\n return function (mom) {\n var output = '',\n i;\n for (i = 0; i < length; i++) {\n output += isFunction(array[i])\n ? array[i].call(mom, format)\n : array[i];\n }\n return output;\n };\n }\n\n // format date using native date object\n function formatMoment(m, format) {\n if (!m.isValid()) {\n return m.localeData().invalidDate();\n }\n\n format = expandFormat(format, m.localeData());\n formatFunctions[format] =\n formatFunctions[format] || makeFormatFunction(format);\n\n return formatFunctions[format](m);\n }\n\n function expandFormat(format, locale) {\n var i = 5;\n\n function replaceLongDateFormatTokens(input) {\n return locale.longDateFormat(input) || input;\n }\n\n localFormattingTokens.lastIndex = 0;\n while (i >= 0 && localFormattingTokens.test(format)) {\n format = format.replace(\n localFormattingTokens,\n replaceLongDateFormatTokens\n );\n localFormattingTokens.lastIndex = 0;\n i -= 1;\n }\n\n return format;\n }\n\n var defaultLongDateFormat = {\n LTS: 'h:mm:ss A',\n LT: 'h:mm A',\n L: 'MM/DD/YYYY',\n LL: 'MMMM D, YYYY',\n LLL: 'MMMM D, YYYY h:mm A',\n LLLL: 'dddd, MMMM D, YYYY h:mm A',\n };\n\n function longDateFormat(key) {\n var format = this._longDateFormat[key],\n formatUpper = this._longDateFormat[key.toUpperCase()];\n\n if (format || !formatUpper) {\n return format;\n }\n\n this._longDateFormat[key] = formatUpper\n .match(formattingTokens)\n .map(function (tok) {\n if (\n tok === 'MMMM' ||\n tok === 'MM' ||\n tok === 'DD' ||\n tok === 'dddd'\n ) {\n return tok.slice(1);\n }\n return tok;\n })\n .join('');\n\n return this._longDateFormat[key];\n }\n\n var defaultInvalidDate = 'Invalid date';\n\n function invalidDate() {\n return this._invalidDate;\n }\n\n var defaultOrdinal = '%d',\n defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\n function ordinal(number) {\n return this._ordinal.replace('%d', number);\n }\n\n var defaultRelativeTime = {\n future: 'in %s',\n past: '%s ago',\n s: 'a few seconds',\n ss: '%d seconds',\n m: 'a minute',\n mm: '%d minutes',\n h: 'an hour',\n hh: '%d hours',\n d: 'a day',\n dd: '%d days',\n w: 'a week',\n ww: '%d weeks',\n M: 'a month',\n MM: '%d months',\n y: 'a year',\n yy: '%d years',\n };\n\n function relativeTime(number, withoutSuffix, string, isFuture) {\n var output = this._relativeTime[string];\n return isFunction(output)\n ? output(number, withoutSuffix, string, isFuture)\n : output.replace(/%d/i, number);\n }\n\n function pastFuture(diff, output) {\n var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n }\n\n var aliases = {};\n\n function addUnitAlias(unit, shorthand) {\n var lowerCase = unit.toLowerCase();\n aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n }\n\n function normalizeUnits(units) {\n return typeof units === 'string'\n ? aliases[units] || aliases[units.toLowerCase()]\n : undefined;\n }\n\n function normalizeObjectUnits(inputObject) {\n var normalizedInput = {},\n normalizedProp,\n prop;\n\n for (prop in inputObject) {\n if (hasOwnProp(inputObject, prop)) {\n normalizedProp = normalizeUnits(prop);\n if (normalizedProp) {\n normalizedInput[normalizedProp] = inputObject[prop];\n }\n }\n }\n\n return normalizedInput;\n }\n\n var priorities = {};\n\n function addUnitPriority(unit, priority) {\n priorities[unit] = priority;\n }\n\n function getPrioritizedUnits(unitsObj) {\n var units = [],\n u;\n for (u in unitsObj) {\n if (hasOwnProp(unitsObj, u)) {\n units.push({ unit: u, priority: priorities[u] });\n }\n }\n units.sort(function (a, b) {\n return a.priority - b.priority;\n });\n return units;\n }\n\n function isLeapYear(year) {\n return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n }\n\n function absFloor(number) {\n if (number < 0) {\n // -0 -> 0\n return Math.ceil(number) || 0;\n } else {\n return Math.floor(number);\n }\n }\n\n function toInt(argumentForCoercion) {\n var coercedNumber = +argumentForCoercion,\n value = 0;\n\n if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n value = absFloor(coercedNumber);\n }\n\n return value;\n }\n\n function makeGetSet(unit, keepTime) {\n return function (value) {\n if (value != null) {\n set$1(this, unit, value);\n hooks.updateOffset(this, keepTime);\n return this;\n } else {\n return get(this, unit);\n }\n };\n }\n\n function get(mom, unit) {\n return mom.isValid()\n ? mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]()\n : NaN;\n }\n\n function set$1(mom, unit, value) {\n if (mom.isValid() && !isNaN(value)) {\n if (\n unit === 'FullYear' &&\n isLeapYear(mom.year()) &&\n mom.month() === 1 &&\n mom.date() === 29\n ) {\n value = toInt(value);\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](\n value,\n mom.month(),\n daysInMonth(value, mom.month())\n );\n } else {\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n }\n }\n }\n\n // MOMENTS\n\n function stringGet(units) {\n units = normalizeUnits(units);\n if (isFunction(this[units])) {\n return this[units]();\n }\n return this;\n }\n\n function stringSet(units, value) {\n if (typeof units === 'object') {\n units = normalizeObjectUnits(units);\n var prioritized = getPrioritizedUnits(units),\n i,\n prioritizedLen = prioritized.length;\n for (i = 0; i < prioritizedLen; i++) {\n this[prioritized[i].unit](units[prioritized[i].unit]);\n }\n } else {\n units = normalizeUnits(units);\n if (isFunction(this[units])) {\n return this[units](value);\n }\n }\n return this;\n }\n\n var match1 = /\\d/, // 0 - 9\n match2 = /\\d\\d/, // 00 - 99\n match3 = /\\d{3}/, // 000 - 999\n match4 = /\\d{4}/, // 0000 - 9999\n match6 = /[+-]?\\d{6}/, // -999999 - 999999\n match1to2 = /\\d\\d?/, // 0 - 99\n match3to4 = /\\d\\d\\d\\d?/, // 999 - 9999\n match5to6 = /\\d\\d\\d\\d\\d\\d?/, // 99999 - 999999\n match1to3 = /\\d{1,3}/, // 0 - 999\n match1to4 = /\\d{1,4}/, // 0 - 9999\n match1to6 = /[+-]?\\d{1,6}/, // -999999 - 999999\n matchUnsigned = /\\d+/, // 0 - inf\n matchSigned = /[+-]?\\d+/, // -inf - inf\n matchOffset = /Z|[+-]\\d\\d:?\\d\\d/gi, // +00:00 -00:00 +0000 -0000 or Z\n matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi, // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/, // 123456789 123456789.123\n // any word (or two) characters or numbers including two/three word month in arabic.\n // includes scottish gaelic two word and hyphenated months\n matchWord =\n /[0-9]{0,256}['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFF07\\uFF10-\\uFFEF]{1,256}|[\\u0600-\\u06FF\\/]{1,256}(\\s*?[\\u0600-\\u06FF]{1,256}){1,2}/i,\n regexes;\n\n regexes = {};\n\n function addRegexToken(token, regex, strictRegex) {\n regexes[token] = isFunction(regex)\n ? regex\n : function (isStrict, localeData) {\n return isStrict && strictRegex ? strictRegex : regex;\n };\n }\n\n function getParseRegexForToken(token, config) {\n if (!hasOwnProp(regexes, token)) {\n return new RegExp(unescapeFormat(token));\n }\n\n return regexes[token](config._strict, config._locale);\n }\n\n // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n function unescapeFormat(s) {\n return regexEscape(\n s\n .replace('\\\\', '')\n .replace(\n /\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g,\n function (matched, p1, p2, p3, p4) {\n return p1 || p2 || p3 || p4;\n }\n )\n );\n }\n\n function regexEscape(s) {\n return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n }\n\n var tokens = {};\n\n function addParseToken(token, callback) {\n var i,\n func = callback,\n tokenLen;\n if (typeof token === 'string') {\n token = [token];\n }\n if (isNumber(callback)) {\n func = function (input, array) {\n array[callback] = toInt(input);\n };\n }\n tokenLen = token.length;\n for (i = 0; i < tokenLen; i++) {\n tokens[token[i]] = func;\n }\n }\n\n function addWeekParseToken(token, callback) {\n addParseToken(token, function (input, array, config, token) {\n config._w = config._w || {};\n callback(input, config._w, config, token);\n });\n }\n\n function addTimeToArrayFromToken(token, input, config) {\n if (input != null && hasOwnProp(tokens, token)) {\n tokens[token](input, config._a, config, token);\n }\n }\n\n var YEAR = 0,\n MONTH = 1,\n DATE = 2,\n HOUR = 3,\n MINUTE = 4,\n SECOND = 5,\n MILLISECOND = 6,\n WEEK = 7,\n WEEKDAY = 8;\n\n function mod(n, x) {\n return ((n % x) + x) % x;\n }\n\n var indexOf;\n\n if (Array.prototype.indexOf) {\n indexOf = Array.prototype.indexOf;\n } else {\n indexOf = function (o) {\n // I know\n var i;\n for (i = 0; i < this.length; ++i) {\n if (this[i] === o) {\n return i;\n }\n }\n return -1;\n };\n }\n\n function daysInMonth(year, month) {\n if (isNaN(year) || isNaN(month)) {\n return NaN;\n }\n var modMonth = mod(month, 12);\n year += (month - modMonth) / 12;\n return modMonth === 1\n ? isLeapYear(year)\n ? 29\n : 28\n : 31 - ((modMonth % 7) % 2);\n }\n\n // FORMATTING\n\n addFormatToken('M', ['MM', 2], 'Mo', function () {\n return this.month() + 1;\n });\n\n addFormatToken('MMM', 0, 0, function (format) {\n return this.localeData().monthsShort(this, format);\n });\n\n addFormatToken('MMMM', 0, 0, function (format) {\n return this.localeData().months(this, format);\n });\n\n // ALIASES\n\n addUnitAlias('month', 'M');\n\n // PRIORITY\n\n addUnitPriority('month', 8);\n\n // PARSING\n\n addRegexToken('M', match1to2);\n addRegexToken('MM', match1to2, match2);\n addRegexToken('MMM', function (isStrict, locale) {\n return locale.monthsShortRegex(isStrict);\n });\n addRegexToken('MMMM', function (isStrict, locale) {\n return locale.monthsRegex(isStrict);\n });\n\n addParseToken(['M', 'MM'], function (input, array) {\n array[MONTH] = toInt(input) - 1;\n });\n\n addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n var month = config._locale.monthsParse(input, token, config._strict);\n // if we didn't find a month name, mark the date as invalid.\n if (month != null) {\n array[MONTH] = month;\n } else {\n getParsingFlags(config).invalidMonth = input;\n }\n });\n\n // LOCALES\n\n var defaultLocaleMonths =\n 'January_February_March_April_May_June_July_August_September_October_November_December'.split(\n '_'\n ),\n defaultLocaleMonthsShort =\n 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),\n MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/,\n defaultMonthsShortRegex = matchWord,\n defaultMonthsRegex = matchWord;\n\n function localeMonths(m, format) {\n if (!m) {\n return isArray(this._months)\n ? this._months\n : this._months['standalone'];\n }\n return isArray(this._months)\n ? this._months[m.month()]\n : this._months[\n (this._months.isFormat || MONTHS_IN_FORMAT).test(format)\n ? 'format'\n : 'standalone'\n ][m.month()];\n }\n\n function localeMonthsShort(m, format) {\n if (!m) {\n return isArray(this._monthsShort)\n ? this._monthsShort\n : this._monthsShort['standalone'];\n }\n return isArray(this._monthsShort)\n ? this._monthsShort[m.month()]\n : this._monthsShort[\n MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'\n ][m.month()];\n }\n\n function handleStrictParse(monthName, format, strict) {\n var i,\n ii,\n mom,\n llc = monthName.toLocaleLowerCase();\n if (!this._monthsParse) {\n // this is not used\n this._monthsParse = [];\n this._longMonthsParse = [];\n this._shortMonthsParse = [];\n for (i = 0; i < 12; ++i) {\n mom = createUTC([2000, i]);\n this._shortMonthsParse[i] = this.monthsShort(\n mom,\n ''\n ).toLocaleLowerCase();\n this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n }\n }\n\n if (strict) {\n if (format === 'MMM') {\n ii = indexOf.call(this._shortMonthsParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._longMonthsParse, llc);\n return ii !== -1 ? ii : null;\n }\n } else {\n if (format === 'MMM') {\n ii = indexOf.call(this._shortMonthsParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._longMonthsParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._longMonthsParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._shortMonthsParse, llc);\n return ii !== -1 ? ii : null;\n }\n }\n }\n\n function localeMonthsParse(monthName, format, strict) {\n var i, mom, regex;\n\n if (this._monthsParseExact) {\n return handleStrictParse.call(this, monthName, format, strict);\n }\n\n if (!this._monthsParse) {\n this._monthsParse = [];\n this._longMonthsParse = [];\n this._shortMonthsParse = [];\n }\n\n // TODO: add sorting\n // Sorting makes sure if one month (or abbr) is a prefix of another\n // see sorting in computeMonthsParse\n for (i = 0; i < 12; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, i]);\n if (strict && !this._longMonthsParse[i]) {\n this._longMonthsParse[i] = new RegExp(\n '^' + this.months(mom, '').replace('.', '') + '$',\n 'i'\n );\n this._shortMonthsParse[i] = new RegExp(\n '^' + this.monthsShort(mom, '').replace('.', '') + '$',\n 'i'\n );\n }\n if (!strict && !this._monthsParse[i]) {\n regex =\n '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n }\n // test the regex\n if (\n strict &&\n format === 'MMMM' &&\n this._longMonthsParse[i].test(monthName)\n ) {\n return i;\n } else if (\n strict &&\n format === 'MMM' &&\n this._shortMonthsParse[i].test(monthName)\n ) {\n return i;\n } else if (!strict && this._monthsParse[i].test(monthName)) {\n return i;\n }\n }\n }\n\n // MOMENTS\n\n function setMonth(mom, value) {\n var dayOfMonth;\n\n if (!mom.isValid()) {\n // No op\n return mom;\n }\n\n if (typeof value === 'string') {\n if (/^\\d+$/.test(value)) {\n value = toInt(value);\n } else {\n value = mom.localeData().monthsParse(value);\n // TODO: Another silent failure?\n if (!isNumber(value)) {\n return mom;\n }\n }\n }\n\n dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n return mom;\n }\n\n function getSetMonth(value) {\n if (value != null) {\n setMonth(this, value);\n hooks.updateOffset(this, true);\n return this;\n } else {\n return get(this, 'Month');\n }\n }\n\n function getDaysInMonth() {\n return daysInMonth(this.year(), this.month());\n }\n\n function monthsShortRegex(isStrict) {\n if (this._monthsParseExact) {\n if (!hasOwnProp(this, '_monthsRegex')) {\n computeMonthsParse.call(this);\n }\n if (isStrict) {\n return this._monthsShortStrictRegex;\n } else {\n return this._monthsShortRegex;\n }\n } else {\n if (!hasOwnProp(this, '_monthsShortRegex')) {\n this._monthsShortRegex = defaultMonthsShortRegex;\n }\n return this._monthsShortStrictRegex && isStrict\n ? this._monthsShortStrictRegex\n : this._monthsShortRegex;\n }\n }\n\n function monthsRegex(isStrict) {\n if (this._monthsParseExact) {\n if (!hasOwnProp(this, '_monthsRegex')) {\n computeMonthsParse.call(this);\n }\n if (isStrict) {\n return this._monthsStrictRegex;\n } else {\n return this._monthsRegex;\n }\n } else {\n if (!hasOwnProp(this, '_monthsRegex')) {\n this._monthsRegex = defaultMonthsRegex;\n }\n return this._monthsStrictRegex && isStrict\n ? this._monthsStrictRegex\n : this._monthsRegex;\n }\n }\n\n function computeMonthsParse() {\n function cmpLenRev(a, b) {\n return b.length - a.length;\n }\n\n var shortPieces = [],\n longPieces = [],\n mixedPieces = [],\n i,\n mom;\n for (i = 0; i < 12; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, i]);\n shortPieces.push(this.monthsShort(mom, ''));\n longPieces.push(this.months(mom, ''));\n mixedPieces.push(this.months(mom, ''));\n mixedPieces.push(this.monthsShort(mom, ''));\n }\n // Sorting makes sure if one month (or abbr) is a prefix of another it\n // will match the longer piece.\n shortPieces.sort(cmpLenRev);\n longPieces.sort(cmpLenRev);\n mixedPieces.sort(cmpLenRev);\n for (i = 0; i < 12; i++) {\n shortPieces[i] = regexEscape(shortPieces[i]);\n longPieces[i] = regexEscape(longPieces[i]);\n }\n for (i = 0; i < 24; i++) {\n mixedPieces[i] = regexEscape(mixedPieces[i]);\n }\n\n this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._monthsShortRegex = this._monthsRegex;\n this._monthsStrictRegex = new RegExp(\n '^(' + longPieces.join('|') + ')',\n 'i'\n );\n this._monthsShortStrictRegex = new RegExp(\n '^(' + shortPieces.join('|') + ')',\n 'i'\n );\n }\n\n // FORMATTING\n\n addFormatToken('Y', 0, 0, function () {\n var y = this.year();\n return y <= 9999 ? zeroFill(y, 4) : '+' + y;\n });\n\n addFormatToken(0, ['YY', 2], 0, function () {\n return this.year() % 100;\n });\n\n addFormatToken(0, ['YYYY', 4], 0, 'year');\n addFormatToken(0, ['YYYYY', 5], 0, 'year');\n addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n // ALIASES\n\n addUnitAlias('year', 'y');\n\n // PRIORITIES\n\n addUnitPriority('year', 1);\n\n // PARSING\n\n addRegexToken('Y', matchSigned);\n addRegexToken('YY', match1to2, match2);\n addRegexToken('YYYY', match1to4, match4);\n addRegexToken('YYYYY', match1to6, match6);\n addRegexToken('YYYYYY', match1to6, match6);\n\n addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n addParseToken('YYYY', function (input, array) {\n array[YEAR] =\n input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n });\n addParseToken('YY', function (input, array) {\n array[YEAR] = hooks.parseTwoDigitYear(input);\n });\n addParseToken('Y', function (input, array) {\n array[YEAR] = parseInt(input, 10);\n });\n\n // HELPERS\n\n function daysInYear(year) {\n return isLeapYear(year) ? 366 : 365;\n }\n\n // HOOKS\n\n hooks.parseTwoDigitYear = function (input) {\n return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n };\n\n // MOMENTS\n\n var getSetYear = makeGetSet('FullYear', true);\n\n function getIsLeapYear() {\n return isLeapYear(this.year());\n }\n\n function createDate(y, m, d, h, M, s, ms) {\n // can't just apply() to create a date:\n // https://stackoverflow.com/q/181348\n var date;\n // the date constructor remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0) {\n // preserve leap years using a full 400 year cycle, then reset\n date = new Date(y + 400, m, d, h, M, s, ms);\n if (isFinite(date.getFullYear())) {\n date.setFullYear(y);\n }\n } else {\n date = new Date(y, m, d, h, M, s, ms);\n }\n\n return date;\n }\n\n function createUTCDate(y) {\n var date, args;\n // the Date.UTC function remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0) {\n args = Array.prototype.slice.call(arguments);\n // preserve leap years using a full 400 year cycle, then reset\n args[0] = y + 400;\n date = new Date(Date.UTC.apply(null, args));\n if (isFinite(date.getUTCFullYear())) {\n date.setUTCFullYear(y);\n }\n } else {\n date = new Date(Date.UTC.apply(null, arguments));\n }\n\n return date;\n }\n\n // start-of-first-week - start-of-year\n function firstWeekOffset(year, dow, doy) {\n var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n fwd = 7 + dow - doy,\n // first-week day local weekday -- which local weekday is fwd\n fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n\n return -fwdlw + fwd - 1;\n }\n\n // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n function dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n var localWeekday = (7 + weekday - dow) % 7,\n weekOffset = firstWeekOffset(year, dow, doy),\n dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n resYear,\n resDayOfYear;\n\n if (dayOfYear <= 0) {\n resYear = year - 1;\n resDayOfYear = daysInYear(resYear) + dayOfYear;\n } else if (dayOfYear > daysInYear(year)) {\n resYear = year + 1;\n resDayOfYear = dayOfYear - daysInYear(year);\n } else {\n resYear = year;\n resDayOfYear = dayOfYear;\n }\n\n return {\n year: resYear,\n dayOfYear: resDayOfYear,\n };\n }\n\n function weekOfYear(mom, dow, doy) {\n var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n resWeek,\n resYear;\n\n if (week < 1) {\n resYear = mom.year() - 1;\n resWeek = week + weeksInYear(resYear, dow, doy);\n } else if (week > weeksInYear(mom.year(), dow, doy)) {\n resWeek = week - weeksInYear(mom.year(), dow, doy);\n resYear = mom.year() + 1;\n } else {\n resYear = mom.year();\n resWeek = week;\n }\n\n return {\n week: resWeek,\n year: resYear,\n };\n }\n\n function weeksInYear(year, dow, doy) {\n var weekOffset = firstWeekOffset(year, dow, doy),\n weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n }\n\n // FORMATTING\n\n addFormatToken('w', ['ww', 2], 'wo', 'week');\n addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n // ALIASES\n\n addUnitAlias('week', 'w');\n addUnitAlias('isoWeek', 'W');\n\n // PRIORITIES\n\n addUnitPriority('week', 5);\n addUnitPriority('isoWeek', 5);\n\n // PARSING\n\n addRegexToken('w', match1to2);\n addRegexToken('ww', match1to2, match2);\n addRegexToken('W', match1to2);\n addRegexToken('WW', match1to2, match2);\n\n addWeekParseToken(\n ['w', 'ww', 'W', 'WW'],\n function (input, week, config, token) {\n week[token.substr(0, 1)] = toInt(input);\n }\n );\n\n // HELPERS\n\n // LOCALES\n\n function localeWeek(mom) {\n return weekOfYear(mom, this._week.dow, this._week.doy).week;\n }\n\n var defaultLocaleWeek = {\n dow: 0, // Sunday is the first day of the week.\n doy: 6, // The week that contains Jan 6th is the first week of the year.\n };\n\n function localeFirstDayOfWeek() {\n return this._week.dow;\n }\n\n function localeFirstDayOfYear() {\n return this._week.doy;\n }\n\n // MOMENTS\n\n function getSetWeek(input) {\n var week = this.localeData().week(this);\n return input == null ? week : this.add((input - week) * 7, 'd');\n }\n\n function getSetISOWeek(input) {\n var week = weekOfYear(this, 1, 4).week;\n return input == null ? week : this.add((input - week) * 7, 'd');\n }\n\n // FORMATTING\n\n addFormatToken('d', 0, 'do', 'day');\n\n addFormatToken('dd', 0, 0, function (format) {\n return this.localeData().weekdaysMin(this, format);\n });\n\n addFormatToken('ddd', 0, 0, function (format) {\n return this.localeData().weekdaysShort(this, format);\n });\n\n addFormatToken('dddd', 0, 0, function (format) {\n return this.localeData().weekdays(this, format);\n });\n\n addFormatToken('e', 0, 0, 'weekday');\n addFormatToken('E', 0, 0, 'isoWeekday');\n\n // ALIASES\n\n addUnitAlias('day', 'd');\n addUnitAlias('weekday', 'e');\n addUnitAlias('isoWeekday', 'E');\n\n // PRIORITY\n addUnitPriority('day', 11);\n addUnitPriority('weekday', 11);\n addUnitPriority('isoWeekday', 11);\n\n // PARSING\n\n addRegexToken('d', match1to2);\n addRegexToken('e', match1to2);\n addRegexToken('E', match1to2);\n addRegexToken('dd', function (isStrict, locale) {\n return locale.weekdaysMinRegex(isStrict);\n });\n addRegexToken('ddd', function (isStrict, locale) {\n return locale.weekdaysShortRegex(isStrict);\n });\n addRegexToken('dddd', function (isStrict, locale) {\n return locale.weekdaysRegex(isStrict);\n });\n\n addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n var weekday = config._locale.weekdaysParse(input, token, config._strict);\n // if we didn't get a weekday name, mark the date as invalid\n if (weekday != null) {\n week.d = weekday;\n } else {\n getParsingFlags(config).invalidWeekday = input;\n }\n });\n\n addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n week[token] = toInt(input);\n });\n\n // HELPERS\n\n function parseWeekday(input, locale) {\n if (typeof input !== 'string') {\n return input;\n }\n\n if (!isNaN(input)) {\n return parseInt(input, 10);\n }\n\n input = locale.weekdaysParse(input);\n if (typeof input === 'number') {\n return input;\n }\n\n return null;\n }\n\n function parseIsoWeekday(input, locale) {\n if (typeof input === 'string') {\n return locale.weekdaysParse(input) % 7 || 7;\n }\n return isNaN(input) ? null : input;\n }\n\n // LOCALES\n function shiftWeekdays(ws, n) {\n return ws.slice(n, 7).concat(ws.slice(0, n));\n }\n\n var defaultLocaleWeekdays =\n 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),\n defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),\n defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),\n defaultWeekdaysRegex = matchWord,\n defaultWeekdaysShortRegex = matchWord,\n defaultWeekdaysMinRegex = matchWord;\n\n function localeWeekdays(m, format) {\n var weekdays = isArray(this._weekdays)\n ? this._weekdays\n : this._weekdays[\n m && m !== true && this._weekdays.isFormat.test(format)\n ? 'format'\n : 'standalone'\n ];\n return m === true\n ? shiftWeekdays(weekdays, this._week.dow)\n : m\n ? weekdays[m.day()]\n : weekdays;\n }\n\n function localeWeekdaysShort(m) {\n return m === true\n ? shiftWeekdays(this._weekdaysShort, this._week.dow)\n : m\n ? this._weekdaysShort[m.day()]\n : this._weekdaysShort;\n }\n\n function localeWeekdaysMin(m) {\n return m === true\n ? shiftWeekdays(this._weekdaysMin, this._week.dow)\n : m\n ? this._weekdaysMin[m.day()]\n : this._weekdaysMin;\n }\n\n function handleStrictParse$1(weekdayName, format, strict) {\n var i,\n ii,\n mom,\n llc = weekdayName.toLocaleLowerCase();\n if (!this._weekdaysParse) {\n this._weekdaysParse = [];\n this._shortWeekdaysParse = [];\n this._minWeekdaysParse = [];\n\n for (i = 0; i < 7; ++i) {\n mom = createUTC([2000, 1]).day(i);\n this._minWeekdaysParse[i] = this.weekdaysMin(\n mom,\n ''\n ).toLocaleLowerCase();\n this._shortWeekdaysParse[i] = this.weekdaysShort(\n mom,\n ''\n ).toLocaleLowerCase();\n this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n }\n }\n\n if (strict) {\n if (format === 'dddd') {\n ii = indexOf.call(this._weekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else if (format === 'ddd') {\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n }\n } else {\n if (format === 'dddd') {\n ii = indexOf.call(this._weekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else if (format === 'ddd') {\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._weekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._minWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n } else {\n ii = indexOf.call(this._minWeekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._weekdaysParse, llc);\n if (ii !== -1) {\n return ii;\n }\n ii = indexOf.call(this._shortWeekdaysParse, llc);\n return ii !== -1 ? ii : null;\n }\n }\n }\n\n function localeWeekdaysParse(weekdayName, format, strict) {\n var i, mom, regex;\n\n if (this._weekdaysParseExact) {\n return handleStrictParse$1.call(this, weekdayName, format, strict);\n }\n\n if (!this._weekdaysParse) {\n this._weekdaysParse = [];\n this._minWeekdaysParse = [];\n this._shortWeekdaysParse = [];\n this._fullWeekdaysParse = [];\n }\n\n for (i = 0; i < 7; i++) {\n // make the regex if we don't have it already\n\n mom = createUTC([2000, 1]).day(i);\n if (strict && !this._fullWeekdaysParse[i]) {\n this._fullWeekdaysParse[i] = new RegExp(\n '^' + this.weekdays(mom, '').replace('.', '\\\\.?') + '$',\n 'i'\n );\n this._shortWeekdaysParse[i] = new RegExp(\n '^' + this.weekdaysShort(mom, '').replace('.', '\\\\.?') + '$',\n 'i'\n );\n this._minWeekdaysParse[i] = new RegExp(\n '^' + this.weekdaysMin(mom, '').replace('.', '\\\\.?') + '$',\n 'i'\n );\n }\n if (!this._weekdaysParse[i]) {\n regex =\n '^' +\n this.weekdays(mom, '') +\n '|^' +\n this.weekdaysShort(mom, '') +\n '|^' +\n this.weekdaysMin(mom, '');\n this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n }\n // test the regex\n if (\n strict &&\n format === 'dddd' &&\n this._fullWeekdaysParse[i].test(weekdayName)\n ) {\n return i;\n } else if (\n strict &&\n format === 'ddd' &&\n this._shortWeekdaysParse[i].test(weekdayName)\n ) {\n return i;\n } else if (\n strict &&\n format === 'dd' &&\n this._minWeekdaysParse[i].test(weekdayName)\n ) {\n return i;\n } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n return i;\n }\n }\n }\n\n // MOMENTS\n\n function getSetDayOfWeek(input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n if (input != null) {\n input = parseWeekday(input, this.localeData());\n return this.add(input - day, 'd');\n } else {\n return day;\n }\n }\n\n function getSetLocaleDayOfWeek(input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n return input == null ? weekday : this.add(input - weekday, 'd');\n }\n\n function getSetISODayOfWeek(input) {\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n\n // behaves the same as moment#day except\n // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n // as a setter, sunday should belong to the previous week.\n\n if (input != null) {\n var weekday = parseIsoWeekday(input, this.localeData());\n return this.day(this.day() % 7 ? weekday : weekday - 7);\n } else {\n return this.day() || 7;\n }\n }\n\n function weekdaysRegex(isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n if (isStrict) {\n return this._weekdaysStrictRegex;\n } else {\n return this._weekdaysRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n this._weekdaysRegex = defaultWeekdaysRegex;\n }\n return this._weekdaysStrictRegex && isStrict\n ? this._weekdaysStrictRegex\n : this._weekdaysRegex;\n }\n }\n\n function weekdaysShortRegex(isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n if (isStrict) {\n return this._weekdaysShortStrictRegex;\n } else {\n return this._weekdaysShortRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n }\n return this._weekdaysShortStrictRegex && isStrict\n ? this._weekdaysShortStrictRegex\n : this._weekdaysShortRegex;\n }\n }\n\n function weekdaysMinRegex(isStrict) {\n if (this._weekdaysParseExact) {\n if (!hasOwnProp(this, '_weekdaysRegex')) {\n computeWeekdaysParse.call(this);\n }\n if (isStrict) {\n return this._weekdaysMinStrictRegex;\n } else {\n return this._weekdaysMinRegex;\n }\n } else {\n if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n }\n return this._weekdaysMinStrictRegex && isStrict\n ? this._weekdaysMinStrictRegex\n : this._weekdaysMinRegex;\n }\n }\n\n function computeWeekdaysParse() {\n function cmpLenRev(a, b) {\n return b.length - a.length;\n }\n\n var minPieces = [],\n shortPieces = [],\n longPieces = [],\n mixedPieces = [],\n i,\n mom,\n minp,\n shortp,\n longp;\n for (i = 0; i < 7; i++) {\n // make the regex if we don't have it already\n mom = createUTC([2000, 1]).day(i);\n minp = regexEscape(this.weekdaysMin(mom, ''));\n shortp = regexEscape(this.weekdaysShort(mom, ''));\n longp = regexEscape(this.weekdays(mom, ''));\n minPieces.push(minp);\n shortPieces.push(shortp);\n longPieces.push(longp);\n mixedPieces.push(minp);\n mixedPieces.push(shortp);\n mixedPieces.push(longp);\n }\n // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n // will match the longer piece.\n minPieces.sort(cmpLenRev);\n shortPieces.sort(cmpLenRev);\n longPieces.sort(cmpLenRev);\n mixedPieces.sort(cmpLenRev);\n\n this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._weekdaysShortRegex = this._weekdaysRegex;\n this._weekdaysMinRegex = this._weekdaysRegex;\n\n this._weekdaysStrictRegex = new RegExp(\n '^(' + longPieces.join('|') + ')',\n 'i'\n );\n this._weekdaysShortStrictRegex = new RegExp(\n '^(' + shortPieces.join('|') + ')',\n 'i'\n );\n this._weekdaysMinStrictRegex = new RegExp(\n '^(' + minPieces.join('|') + ')',\n 'i'\n );\n }\n\n // FORMATTING\n\n function hFormat() {\n return this.hours() % 12 || 12;\n }\n\n function kFormat() {\n return this.hours() || 24;\n }\n\n addFormatToken('H', ['HH', 2], 0, 'hour');\n addFormatToken('h', ['hh', 2], 0, hFormat);\n addFormatToken('k', ['kk', 2], 0, kFormat);\n\n addFormatToken('hmm', 0, 0, function () {\n return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n });\n\n addFormatToken('hmmss', 0, 0, function () {\n return (\n '' +\n hFormat.apply(this) +\n zeroFill(this.minutes(), 2) +\n zeroFill(this.seconds(), 2)\n );\n });\n\n addFormatToken('Hmm', 0, 0, function () {\n return '' + this.hours() + zeroFill(this.minutes(), 2);\n });\n\n addFormatToken('Hmmss', 0, 0, function () {\n return (\n '' +\n this.hours() +\n zeroFill(this.minutes(), 2) +\n zeroFill(this.seconds(), 2)\n );\n });\n\n function meridiem(token, lowercase) {\n addFormatToken(token, 0, 0, function () {\n return this.localeData().meridiem(\n this.hours(),\n this.minutes(),\n lowercase\n );\n });\n }\n\n meridiem('a', true);\n meridiem('A', false);\n\n // ALIASES\n\n addUnitAlias('hour', 'h');\n\n // PRIORITY\n addUnitPriority('hour', 13);\n\n // PARSING\n\n function matchMeridiem(isStrict, locale) {\n return locale._meridiemParse;\n }\n\n addRegexToken('a', matchMeridiem);\n addRegexToken('A', matchMeridiem);\n addRegexToken('H', match1to2);\n addRegexToken('h', match1to2);\n addRegexToken('k', match1to2);\n addRegexToken('HH', match1to2, match2);\n addRegexToken('hh', match1to2, match2);\n addRegexToken('kk', match1to2, match2);\n\n addRegexToken('hmm', match3to4);\n addRegexToken('hmmss', match5to6);\n addRegexToken('Hmm', match3to4);\n addRegexToken('Hmmss', match5to6);\n\n addParseToken(['H', 'HH'], HOUR);\n addParseToken(['k', 'kk'], function (input, array, config) {\n var kInput = toInt(input);\n array[HOUR] = kInput === 24 ? 0 : kInput;\n });\n addParseToken(['a', 'A'], function (input, array, config) {\n config._isPm = config._locale.isPM(input);\n config._meridiem = input;\n });\n addParseToken(['h', 'hh'], function (input, array, config) {\n array[HOUR] = toInt(input);\n getParsingFlags(config).bigHour = true;\n });\n addParseToken('hmm', function (input, array, config) {\n var pos = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos));\n array[MINUTE] = toInt(input.substr(pos));\n getParsingFlags(config).bigHour = true;\n });\n addParseToken('hmmss', function (input, array, config) {\n var pos1 = input.length - 4,\n pos2 = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos1));\n array[MINUTE] = toInt(input.substr(pos1, 2));\n array[SECOND] = toInt(input.substr(pos2));\n getParsingFlags(config).bigHour = true;\n });\n addParseToken('Hmm', function (input, array, config) {\n var pos = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos));\n array[MINUTE] = toInt(input.substr(pos));\n });\n addParseToken('Hmmss', function (input, array, config) {\n var pos1 = input.length - 4,\n pos2 = input.length - 2;\n array[HOUR] = toInt(input.substr(0, pos1));\n array[MINUTE] = toInt(input.substr(pos1, 2));\n array[SECOND] = toInt(input.substr(pos2));\n });\n\n // LOCALES\n\n function localeIsPM(input) {\n // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n // Using charAt should be more compatible.\n return (input + '').toLowerCase().charAt(0) === 'p';\n }\n\n var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i,\n // Setting the hour should keep the time, because the user explicitly\n // specified which hour they want. So trying to maintain the same hour (in\n // a new timezone) makes sense. Adding/subtracting hours does not follow\n // this rule.\n getSetHour = makeGetSet('Hours', true);\n\n function localeMeridiem(hours, minutes, isLower) {\n if (hours > 11) {\n return isLower ? 'pm' : 'PM';\n } else {\n return isLower ? 'am' : 'AM';\n }\n }\n\n var baseConfig = {\n calendar: defaultCalendar,\n longDateFormat: defaultLongDateFormat,\n invalidDate: defaultInvalidDate,\n ordinal: defaultOrdinal,\n dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n relativeTime: defaultRelativeTime,\n\n months: defaultLocaleMonths,\n monthsShort: defaultLocaleMonthsShort,\n\n week: defaultLocaleWeek,\n\n weekdays: defaultLocaleWeekdays,\n weekdaysMin: defaultLocaleWeekdaysMin,\n weekdaysShort: defaultLocaleWeekdaysShort,\n\n meridiemParse: defaultLocaleMeridiemParse,\n };\n\n // internal storage for locale config files\n var locales = {},\n localeFamilies = {},\n globalLocale;\n\n function commonPrefix(arr1, arr2) {\n var i,\n minl = Math.min(arr1.length, arr2.length);\n for (i = 0; i < minl; i += 1) {\n if (arr1[i] !== arr2[i]) {\n return i;\n }\n }\n return minl;\n }\n\n function normalizeLocale(key) {\n return key ? key.toLowerCase().replace('_', '-') : key;\n }\n\n // pick the locale from the array\n // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n function chooseLocale(names) {\n var i = 0,\n j,\n next,\n locale,\n split;\n\n while (i < names.length) {\n split = normalizeLocale(names[i]).split('-');\n j = split.length;\n next = normalizeLocale(names[i + 1]);\n next = next ? next.split('-') : null;\n while (j > 0) {\n locale = loadLocale(split.slice(0, j).join('-'));\n if (locale) {\n return locale;\n }\n if (\n next &&\n next.length >= j &&\n commonPrefix(split, next) >= j - 1\n ) {\n //the next array item is better than a shallower substring of this one\n break;\n }\n j--;\n }\n i++;\n }\n return globalLocale;\n }\n\n function isLocaleNameSane(name) {\n // Prevent names that look like filesystem paths, i.e contain '/' or '\\'\n return name.match('^[^/\\\\\\\\]*$') != null;\n }\n\n function loadLocale(name) {\n var oldLocale = null,\n aliasedRequire;\n // TODO: Find a better way to register and load all the locales in Node\n if (\n locales[name] === undefined &&\n typeof module !== 'undefined' &&\n module &&\n module.exports &&\n isLocaleNameSane(name)\n ) {\n try {\n oldLocale = globalLocale._abbr;\n aliasedRequire = require;\n aliasedRequire('./locale/' + name);\n getSetGlobalLocale(oldLocale);\n } catch (e) {\n // mark as not found to avoid repeating expensive file require call causing high CPU\n // when trying to find en-US, en_US, en-us for every format call\n locales[name] = null; // null means not found\n }\n }\n return locales[name];\n }\n\n // This function will load locale and then set the global locale. If\n // no arguments are passed in, it will simply return the current global\n // locale key.\n function getSetGlobalLocale(key, values) {\n var data;\n if (key) {\n if (isUndefined(values)) {\n data = getLocale(key);\n } else {\n data = defineLocale(key, values);\n }\n\n if (data) {\n // moment.duration._locale = moment._locale = data;\n globalLocale = data;\n } else {\n if (typeof console !== 'undefined' && console.warn) {\n //warn user if arguments are passed but the locale could not be set\n console.warn(\n 'Locale ' + key + ' not found. Did you forget to load it?'\n );\n }\n }\n }\n\n return globalLocale._abbr;\n }\n\n function defineLocale(name, config) {\n if (config !== null) {\n var locale,\n parentConfig = baseConfig;\n config.abbr = name;\n if (locales[name] != null) {\n deprecateSimple(\n 'defineLocaleOverride',\n 'use moment.updateLocale(localeName, config) to change ' +\n 'an existing locale. moment.defineLocale(localeName, ' +\n 'config) should only be used for creating a new locale ' +\n 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.'\n );\n parentConfig = locales[name]._config;\n } else if (config.parentLocale != null) {\n if (locales[config.parentLocale] != null) {\n parentConfig = locales[config.parentLocale]._config;\n } else {\n locale = loadLocale(config.parentLocale);\n if (locale != null) {\n parentConfig = locale._config;\n } else {\n if (!localeFamilies[config.parentLocale]) {\n localeFamilies[config.parentLocale] = [];\n }\n localeFamilies[config.parentLocale].push({\n name: name,\n config: config,\n });\n return null;\n }\n }\n }\n locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n if (localeFamilies[name]) {\n localeFamilies[name].forEach(function (x) {\n defineLocale(x.name, x.config);\n });\n }\n\n // backwards compat for now: also set the locale\n // make sure we set the locale AFTER all child locales have been\n // created, so we won't end up with the child locale set.\n getSetGlobalLocale(name);\n\n return locales[name];\n } else {\n // useful for testing\n delete locales[name];\n return null;\n }\n }\n\n function updateLocale(name, config) {\n if (config != null) {\n var locale,\n tmpLocale,\n parentConfig = baseConfig;\n\n if (locales[name] != null && locales[name].parentLocale != null) {\n // Update existing child locale in-place to avoid memory-leaks\n locales[name].set(mergeConfigs(locales[name]._config, config));\n } else {\n // MERGE\n tmpLocale = loadLocale(name);\n if (tmpLocale != null) {\n parentConfig = tmpLocale._config;\n }\n config = mergeConfigs(parentConfig, config);\n if (tmpLocale == null) {\n // updateLocale is called for creating a new locale\n // Set abbr so it will have a name (getters return\n // undefined otherwise).\n config.abbr = name;\n }\n locale = new Locale(config);\n locale.parentLocale = locales[name];\n locales[name] = locale;\n }\n\n // backwards compat for now: also set the locale\n getSetGlobalLocale(name);\n } else {\n // pass null for config to unupdate, useful for tests\n if (locales[name] != null) {\n if (locales[name].parentLocale != null) {\n locales[name] = locales[name].parentLocale;\n if (name === getSetGlobalLocale()) {\n getSetGlobalLocale(name);\n }\n } else if (locales[name] != null) {\n delete locales[name];\n }\n }\n }\n return locales[name];\n }\n\n // returns locale data\n function getLocale(key) {\n var locale;\n\n if (key && key._locale && key._locale._abbr) {\n key = key._locale._abbr;\n }\n\n if (!key) {\n return globalLocale;\n }\n\n if (!isArray(key)) {\n //short-circuit everything else\n locale = loadLocale(key);\n if (locale) {\n return locale;\n }\n key = [key];\n }\n\n return chooseLocale(key);\n }\n\n function listLocales() {\n return keys(locales);\n }\n\n function checkOverflow(m) {\n var overflow,\n a = m._a;\n\n if (a && getParsingFlags(m).overflow === -2) {\n overflow =\n a[MONTH] < 0 || a[MONTH] > 11\n ? MONTH\n : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH])\n ? DATE\n : a[HOUR] < 0 ||\n a[HOUR] > 24 ||\n (a[HOUR] === 24 &&\n (a[MINUTE] !== 0 ||\n a[SECOND] !== 0 ||\n a[MILLISECOND] !== 0))\n ? HOUR\n : a[MINUTE] < 0 || a[MINUTE] > 59\n ? MINUTE\n : a[SECOND] < 0 || a[SECOND] > 59\n ? SECOND\n : a[MILLISECOND] < 0 || a[MILLISECOND] > 999\n ? MILLISECOND\n : -1;\n\n if (\n getParsingFlags(m)._overflowDayOfYear &&\n (overflow < YEAR || overflow > DATE)\n ) {\n overflow = DATE;\n }\n if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n overflow = WEEK;\n }\n if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n overflow = WEEKDAY;\n }\n\n getParsingFlags(m).overflow = overflow;\n }\n\n return m;\n }\n\n // iso 8601 regex\n // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\n var extendedIsoRegex =\n /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([+-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/,\n basicIsoRegex =\n /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d|))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([+-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/,\n tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/,\n isoDates = [\n ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/],\n ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/],\n ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/],\n ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false],\n ['YYYY-DDD', /\\d{4}-\\d{3}/],\n ['YYYY-MM', /\\d{4}-\\d\\d/, false],\n ['YYYYYYMMDD', /[+-]\\d{10}/],\n ['YYYYMMDD', /\\d{8}/],\n ['GGGG[W]WWE', /\\d{4}W\\d{3}/],\n ['GGGG[W]WW', /\\d{4}W\\d{2}/, false],\n ['YYYYDDD', /\\d{7}/],\n ['YYYYMM', /\\d{6}/, false],\n ['YYYY', /\\d{4}/, false],\n ],\n // iso time formats and regexes\n isoTimes = [\n ['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/],\n ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/],\n ['HH:mm', /\\d\\d:\\d\\d/],\n ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/],\n ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/],\n ['HHmmss', /\\d\\d\\d\\d\\d\\d/],\n ['HHmm', /\\d\\d\\d\\d/],\n ['HH', /\\d\\d/],\n ],\n aspNetJsonRegex = /^\\/?Date\\((-?\\d+)/i,\n // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\n rfc2822 =\n /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d{1,2})\\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(\\d{2,4})\\s(\\d\\d):(\\d\\d)(?::(\\d\\d))?\\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|([+-]\\d{4}))$/,\n obsOffsets = {\n UT: 0,\n GMT: 0,\n EDT: -4 * 60,\n EST: -5 * 60,\n CDT: -5 * 60,\n CST: -6 * 60,\n MDT: -6 * 60,\n MST: -7 * 60,\n PDT: -7 * 60,\n PST: -8 * 60,\n };\n\n // date from iso format\n function configFromISO(config) {\n var i,\n l,\n string = config._i,\n match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n allowTime,\n dateFormat,\n timeFormat,\n tzFormat,\n isoDatesLen = isoDates.length,\n isoTimesLen = isoTimes.length;\n\n if (match) {\n getParsingFlags(config).iso = true;\n for (i = 0, l = isoDatesLen; i < l; i++) {\n if (isoDates[i][1].exec(match[1])) {\n dateFormat = isoDates[i][0];\n allowTime = isoDates[i][2] !== false;\n break;\n }\n }\n if (dateFormat == null) {\n config._isValid = false;\n return;\n }\n if (match[3]) {\n for (i = 0, l = isoTimesLen; i < l; i++) {\n if (isoTimes[i][1].exec(match[3])) {\n // match[2] should be 'T' or space\n timeFormat = (match[2] || ' ') + isoTimes[i][0];\n break;\n }\n }\n if (timeFormat == null) {\n config._isValid = false;\n return;\n }\n }\n if (!allowTime && timeFormat != null) {\n config._isValid = false;\n return;\n }\n if (match[4]) {\n if (tzRegex.exec(match[4])) {\n tzFormat = 'Z';\n } else {\n config._isValid = false;\n return;\n }\n }\n config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n configFromStringAndFormat(config);\n } else {\n config._isValid = false;\n }\n }\n\n function extractFromRFC2822Strings(\n yearStr,\n monthStr,\n dayStr,\n hourStr,\n minuteStr,\n secondStr\n ) {\n var result = [\n untruncateYear(yearStr),\n defaultLocaleMonthsShort.indexOf(monthStr),\n parseInt(dayStr, 10),\n parseInt(hourStr, 10),\n parseInt(minuteStr, 10),\n ];\n\n if (secondStr) {\n result.push(parseInt(secondStr, 10));\n }\n\n return result;\n }\n\n function untruncateYear(yearStr) {\n var year = parseInt(yearStr, 10);\n if (year <= 49) {\n return 2000 + year;\n } else if (year <= 999) {\n return 1900 + year;\n }\n return year;\n }\n\n function preprocessRFC2822(s) {\n // Remove comments and folding whitespace and replace multiple-spaces with a single space\n return s\n .replace(/\\([^()]*\\)|[\\n\\t]/g, ' ')\n .replace(/(\\s\\s+)/g, ' ')\n .replace(/^\\s\\s*/, '')\n .replace(/\\s\\s*$/, '');\n }\n\n function checkWeekday(weekdayStr, parsedInput, config) {\n if (weekdayStr) {\n // TODO: Replace the vanilla JS Date object with an independent day-of-week check.\n var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr),\n weekdayActual = new Date(\n parsedInput[0],\n parsedInput[1],\n parsedInput[2]\n ).getDay();\n if (weekdayProvided !== weekdayActual) {\n getParsingFlags(config).weekdayMismatch = true;\n config._isValid = false;\n return false;\n }\n }\n return true;\n }\n\n function calculateOffset(obsOffset, militaryOffset, numOffset) {\n if (obsOffset) {\n return obsOffsets[obsOffset];\n } else if (militaryOffset) {\n // the only allowed military tz is Z\n return 0;\n } else {\n var hm = parseInt(numOffset, 10),\n m = hm % 100,\n h = (hm - m) / 100;\n return h * 60 + m;\n }\n }\n\n // date and time from ref 2822 format\n function configFromRFC2822(config) {\n var match = rfc2822.exec(preprocessRFC2822(config._i)),\n parsedArray;\n if (match) {\n parsedArray = extractFromRFC2822Strings(\n match[4],\n match[3],\n match[2],\n match[5],\n match[6],\n match[7]\n );\n if (!checkWeekday(match[1], parsedArray, config)) {\n return;\n }\n\n config._a = parsedArray;\n config._tzm = calculateOffset(match[8], match[9], match[10]);\n\n config._d = createUTCDate.apply(null, config._a);\n config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n\n getParsingFlags(config).rfc2822 = true;\n } else {\n config._isValid = false;\n }\n }\n\n // date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict\n function configFromString(config) {\n var matched = aspNetJsonRegex.exec(config._i);\n if (matched !== null) {\n config._d = new Date(+matched[1]);\n return;\n }\n\n configFromISO(config);\n if (config._isValid === false) {\n delete config._isValid;\n } else {\n return;\n }\n\n configFromRFC2822(config);\n if (config._isValid === false) {\n delete config._isValid;\n } else {\n return;\n }\n\n if (config._strict) {\n config._isValid = false;\n } else {\n // Final attempt, use Input Fallback\n hooks.createFromInputFallback(config);\n }\n }\n\n hooks.createFromInputFallback = deprecate(\n 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +\n 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +\n 'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.',\n function (config) {\n config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n }\n );\n\n // Pick the first defined of two or three arguments.\n function defaults(a, b, c) {\n if (a != null) {\n return a;\n }\n if (b != null) {\n return b;\n }\n return c;\n }\n\n function currentDateArray(config) {\n // hooks is actually the exported moment object\n var nowValue = new Date(hooks.now());\n if (config._useUTC) {\n return [\n nowValue.getUTCFullYear(),\n nowValue.getUTCMonth(),\n nowValue.getUTCDate(),\n ];\n }\n return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n }\n\n // convert an array to a date.\n // the array should mirror the parameters below\n // note: all values past the year are optional and will default to the lowest possible value.\n // [year, month, day , hour, minute, second, millisecond]\n function configFromArray(config) {\n var i,\n date,\n input = [],\n currentDate,\n expectedWeekday,\n yearToUse;\n\n if (config._d) {\n return;\n }\n\n currentDate = currentDateArray(config);\n\n //compute day of the year from weeks and weekdays\n if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n dayOfYearFromWeekInfo(config);\n }\n\n //if the day of the year is set, figure out what it is\n if (config._dayOfYear != null) {\n yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n if (\n config._dayOfYear > daysInYear(yearToUse) ||\n config._dayOfYear === 0\n ) {\n getParsingFlags(config)._overflowDayOfYear = true;\n }\n\n date = createUTCDate(yearToUse, 0, config._dayOfYear);\n config._a[MONTH] = date.getUTCMonth();\n config._a[DATE] = date.getUTCDate();\n }\n\n // Default to current date.\n // * if no year, month, day of month are given, default to today\n // * if day of month is given, default month and year\n // * if month is given, default only year\n // * if year is given, don't default anything\n for (i = 0; i < 3 && config._a[i] == null; ++i) {\n config._a[i] = input[i] = currentDate[i];\n }\n\n // Zero out whatever was not defaulted, including time\n for (; i < 7; i++) {\n config._a[i] = input[i] =\n config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i];\n }\n\n // Check for 24:00:00.000\n if (\n config._a[HOUR] === 24 &&\n config._a[MINUTE] === 0 &&\n config._a[SECOND] === 0 &&\n config._a[MILLISECOND] === 0\n ) {\n config._nextDay = true;\n config._a[HOUR] = 0;\n }\n\n config._d = (config._useUTC ? createUTCDate : createDate).apply(\n null,\n input\n );\n expectedWeekday = config._useUTC\n ? config._d.getUTCDay()\n : config._d.getDay();\n\n // Apply timezone offset from input. The actual utcOffset can be changed\n // with parseZone.\n if (config._tzm != null) {\n config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n }\n\n if (config._nextDay) {\n config._a[HOUR] = 24;\n }\n\n // check for mismatching day of week\n if (\n config._w &&\n typeof config._w.d !== 'undefined' &&\n config._w.d !== expectedWeekday\n ) {\n getParsingFlags(config).weekdayMismatch = true;\n }\n }\n\n function dayOfYearFromWeekInfo(config) {\n var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek;\n\n w = config._w;\n if (w.GG != null || w.W != null || w.E != null) {\n dow = 1;\n doy = 4;\n\n // TODO: We need to take the current isoWeekYear, but that depends on\n // how we interpret now (local, utc, fixed offset). So create\n // a now version of current config (take local/utc/offset flags, and\n // create now).\n weekYear = defaults(\n w.GG,\n config._a[YEAR],\n weekOfYear(createLocal(), 1, 4).year\n );\n week = defaults(w.W, 1);\n weekday = defaults(w.E, 1);\n if (weekday < 1 || weekday > 7) {\n weekdayOverflow = true;\n }\n } else {\n dow = config._locale._week.dow;\n doy = config._locale._week.doy;\n\n curWeek = weekOfYear(createLocal(), dow, doy);\n\n weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);\n\n // Default to current week.\n week = defaults(w.w, curWeek.week);\n\n if (w.d != null) {\n // weekday -- low day numbers are considered next week\n weekday = w.d;\n if (weekday < 0 || weekday > 6) {\n weekdayOverflow = true;\n }\n } else if (w.e != null) {\n // local weekday -- counting starts from beginning of week\n weekday = w.e + dow;\n if (w.e < 0 || w.e > 6) {\n weekdayOverflow = true;\n }\n } else {\n // default to beginning of week\n weekday = dow;\n }\n }\n if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n getParsingFlags(config)._overflowWeeks = true;\n } else if (weekdayOverflow != null) {\n getParsingFlags(config)._overflowWeekday = true;\n } else {\n temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n config._a[YEAR] = temp.year;\n config._dayOfYear = temp.dayOfYear;\n }\n }\n\n // constant that refers to the ISO standard\n hooks.ISO_8601 = function () {};\n\n // constant that refers to the RFC 2822 form\n hooks.RFC_2822 = function () {};\n\n // date from string and format string\n function configFromStringAndFormat(config) {\n // TODO: Move this to another part of the creation flow to prevent circular deps\n if (config._f === hooks.ISO_8601) {\n configFromISO(config);\n return;\n }\n if (config._f === hooks.RFC_2822) {\n configFromRFC2822(config);\n return;\n }\n config._a = [];\n getParsingFlags(config).empty = true;\n\n // This array is used to make a Date, either with `new Date` or `Date.UTC`\n var string = '' + config._i,\n i,\n parsedInput,\n tokens,\n token,\n skipped,\n stringLength = string.length,\n totalParsedInputLength = 0,\n era,\n tokenLen;\n\n tokens =\n expandFormat(config._f, config._locale).match(formattingTokens) || [];\n tokenLen = tokens.length;\n for (i = 0; i < tokenLen; i++) {\n token = tokens[i];\n parsedInput = (string.match(getParseRegexForToken(token, config)) ||\n [])[0];\n if (parsedInput) {\n skipped = string.substr(0, string.indexOf(parsedInput));\n if (skipped.length > 0) {\n getParsingFlags(config).unusedInput.push(skipped);\n }\n string = string.slice(\n string.indexOf(parsedInput) + parsedInput.length\n );\n totalParsedInputLength += parsedInput.length;\n }\n // don't parse if it's not a known token\n if (formatTokenFunctions[token]) {\n if (parsedInput) {\n getParsingFlags(config).empty = false;\n } else {\n getParsingFlags(config).unusedTokens.push(token);\n }\n addTimeToArrayFromToken(token, parsedInput, config);\n } else if (config._strict && !parsedInput) {\n getParsingFlags(config).unusedTokens.push(token);\n }\n }\n\n // add remaining unparsed input length to the string\n getParsingFlags(config).charsLeftOver =\n stringLength - totalParsedInputLength;\n if (string.length > 0) {\n getParsingFlags(config).unusedInput.push(string);\n }\n\n // clear _12h flag if hour is <= 12\n if (\n config._a[HOUR] <= 12 &&\n getParsingFlags(config).bigHour === true &&\n config._a[HOUR] > 0\n ) {\n getParsingFlags(config).bigHour = undefined;\n }\n\n getParsingFlags(config).parsedDateParts = config._a.slice(0);\n getParsingFlags(config).meridiem = config._meridiem;\n // handle meridiem\n config._a[HOUR] = meridiemFixWrap(\n config._locale,\n config._a[HOUR],\n config._meridiem\n );\n\n // handle era\n era = getParsingFlags(config).era;\n if (era !== null) {\n config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR]);\n }\n\n configFromArray(config);\n checkOverflow(config);\n }\n\n function meridiemFixWrap(locale, hour, meridiem) {\n var isPm;\n\n if (meridiem == null) {\n // nothing to do\n return hour;\n }\n if (locale.meridiemHour != null) {\n return locale.meridiemHour(hour, meridiem);\n } else if (locale.isPM != null) {\n // Fallback\n isPm = locale.isPM(meridiem);\n if (isPm && hour < 12) {\n hour += 12;\n }\n if (!isPm && hour === 12) {\n hour = 0;\n }\n return hour;\n } else {\n // this is not supposed to happen\n return hour;\n }\n }\n\n // date from string and array of format strings\n function configFromStringAndArray(config) {\n var tempConfig,\n bestMoment,\n scoreToBeat,\n i,\n currentScore,\n validFormatFound,\n bestFormatIsValid = false,\n configfLen = config._f.length;\n\n if (configfLen === 0) {\n getParsingFlags(config).invalidFormat = true;\n config._d = new Date(NaN);\n return;\n }\n\n for (i = 0; i < configfLen; i++) {\n currentScore = 0;\n validFormatFound = false;\n tempConfig = copyConfig({}, config);\n if (config._useUTC != null) {\n tempConfig._useUTC = config._useUTC;\n }\n tempConfig._f = config._f[i];\n configFromStringAndFormat(tempConfig);\n\n if (isValid(tempConfig)) {\n validFormatFound = true;\n }\n\n // if there is any input that was not parsed add a penalty for that format\n currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n //or tokens\n currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n getParsingFlags(tempConfig).score = currentScore;\n\n if (!bestFormatIsValid) {\n if (\n scoreToBeat == null ||\n currentScore < scoreToBeat ||\n validFormatFound\n ) {\n scoreToBeat = currentScore;\n bestMoment = tempConfig;\n if (validFormatFound) {\n bestFormatIsValid = true;\n }\n }\n } else {\n if (currentScore < scoreToBeat) {\n scoreToBeat = currentScore;\n bestMoment = tempConfig;\n }\n }\n }\n\n extend(config, bestMoment || tempConfig);\n }\n\n function configFromObject(config) {\n if (config._d) {\n return;\n }\n\n var i = normalizeObjectUnits(config._i),\n dayOrDate = i.day === undefined ? i.date : i.day;\n config._a = map(\n [i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond],\n function (obj) {\n return obj && parseInt(obj, 10);\n }\n );\n\n configFromArray(config);\n }\n\n function createFromConfig(config) {\n var res = new Moment(checkOverflow(prepareConfig(config)));\n if (res._nextDay) {\n // Adding is smart enough around DST\n res.add(1, 'd');\n res._nextDay = undefined;\n }\n\n return res;\n }\n\n function prepareConfig(config) {\n var input = config._i,\n format = config._f;\n\n config._locale = config._locale || getLocale(config._l);\n\n if (input === null || (format === undefined && input === '')) {\n return createInvalid({ nullInput: true });\n }\n\n if (typeof input === 'string') {\n config._i = input = config._locale.preparse(input);\n }\n\n if (isMoment(input)) {\n return new Moment(checkOverflow(input));\n } else if (isDate(input)) {\n config._d = input;\n } else if (isArray(format)) {\n configFromStringAndArray(config);\n } else if (format) {\n configFromStringAndFormat(config);\n } else {\n configFromInput(config);\n }\n\n if (!isValid(config)) {\n config._d = null;\n }\n\n return config;\n }\n\n function configFromInput(config) {\n var input = config._i;\n if (isUndefined(input)) {\n config._d = new Date(hooks.now());\n } else if (isDate(input)) {\n config._d = new Date(input.valueOf());\n } else if (typeof input === 'string') {\n configFromString(config);\n } else if (isArray(input)) {\n config._a = map(input.slice(0), function (obj) {\n return parseInt(obj, 10);\n });\n configFromArray(config);\n } else if (isObject(input)) {\n configFromObject(config);\n } else if (isNumber(input)) {\n // from milliseconds\n config._d = new Date(input);\n } else {\n hooks.createFromInputFallback(config);\n }\n }\n\n function createLocalOrUTC(input, format, locale, strict, isUTC) {\n var c = {};\n\n if (format === true || format === false) {\n strict = format;\n format = undefined;\n }\n\n if (locale === true || locale === false) {\n strict = locale;\n locale = undefined;\n }\n\n if (\n (isObject(input) && isObjectEmpty(input)) ||\n (isArray(input) && input.length === 0)\n ) {\n input = undefined;\n }\n // object construction must be done this way.\n // https://github.com/moment/moment/issues/1423\n c._isAMomentObject = true;\n c._useUTC = c._isUTC = isUTC;\n c._l = locale;\n c._i = input;\n c._f = format;\n c._strict = strict;\n\n return createFromConfig(c);\n }\n\n function createLocal(input, format, locale, strict) {\n return createLocalOrUTC(input, format, locale, strict, false);\n }\n\n var prototypeMin = deprecate(\n 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',\n function () {\n var other = createLocal.apply(null, arguments);\n if (this.isValid() && other.isValid()) {\n return other < this ? this : other;\n } else {\n return createInvalid();\n }\n }\n ),\n prototypeMax = deprecate(\n 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',\n function () {\n var other = createLocal.apply(null, arguments);\n if (this.isValid() && other.isValid()) {\n return other > this ? this : other;\n } else {\n return createInvalid();\n }\n }\n );\n\n // Pick a moment m from moments so that m[fn](other) is true for all\n // other. This relies on the function fn to be transitive.\n //\n // moments should either be an array of moment objects or an array, whose\n // first element is an array of moment objects.\n function pickBy(fn, moments) {\n var res, i;\n if (moments.length === 1 && isArray(moments[0])) {\n moments = moments[0];\n }\n if (!moments.length) {\n return createLocal();\n }\n res = moments[0];\n for (i = 1; i < moments.length; ++i) {\n if (!moments[i].isValid() || moments[i][fn](res)) {\n res = moments[i];\n }\n }\n return res;\n }\n\n // TODO: Use [].sort instead?\n function min() {\n var args = [].slice.call(arguments, 0);\n\n return pickBy('isBefore', args);\n }\n\n function max() {\n var args = [].slice.call(arguments, 0);\n\n return pickBy('isAfter', args);\n }\n\n var now = function () {\n return Date.now ? Date.now() : +new Date();\n };\n\n var ordering = [\n 'year',\n 'quarter',\n 'month',\n 'week',\n 'day',\n 'hour',\n 'minute',\n 'second',\n 'millisecond',\n ];\n\n function isDurationValid(m) {\n var key,\n unitHasDecimal = false,\n i,\n orderLen = ordering.length;\n for (key in m) {\n if (\n hasOwnProp(m, key) &&\n !(\n indexOf.call(ordering, key) !== -1 &&\n (m[key] == null || !isNaN(m[key]))\n )\n ) {\n return false;\n }\n }\n\n for (i = 0; i < orderLen; ++i) {\n if (m[ordering[i]]) {\n if (unitHasDecimal) {\n return false; // only allow non-integers for smallest unit\n }\n if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n unitHasDecimal = true;\n }\n }\n }\n\n return true;\n }\n\n function isValid$1() {\n return this._isValid;\n }\n\n function createInvalid$1() {\n return createDuration(NaN);\n }\n\n function Duration(duration) {\n var normalizedInput = normalizeObjectUnits(duration),\n years = normalizedInput.year || 0,\n quarters = normalizedInput.quarter || 0,\n months = normalizedInput.month || 0,\n weeks = normalizedInput.week || normalizedInput.isoWeek || 0,\n days = normalizedInput.day || 0,\n hours = normalizedInput.hour || 0,\n minutes = normalizedInput.minute || 0,\n seconds = normalizedInput.second || 0,\n milliseconds = normalizedInput.millisecond || 0;\n\n this._isValid = isDurationValid(normalizedInput);\n\n // representation for dateAddRemove\n this._milliseconds =\n +milliseconds +\n seconds * 1e3 + // 1000\n minutes * 6e4 + // 1000 * 60\n hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n // Because of dateAddRemove treats 24 hours as different from a\n // day when working around DST, we need to store them separately\n this._days = +days + weeks * 7;\n // It is impossible to translate months into days without knowing\n // which months you are are talking about, so we have to store\n // it separately.\n this._months = +months + quarters * 3 + years * 12;\n\n this._data = {};\n\n this._locale = getLocale();\n\n this._bubble();\n }\n\n function isDuration(obj) {\n return obj instanceof Duration;\n }\n\n function absRound(number) {\n if (number < 0) {\n return Math.round(-1 * number) * -1;\n } else {\n return Math.round(number);\n }\n }\n\n // compare two arrays, return the number of differences\n function compareArrays(array1, array2, dontConvert) {\n var len = Math.min(array1.length, array2.length),\n lengthDiff = Math.abs(array1.length - array2.length),\n diffs = 0,\n i;\n for (i = 0; i < len; i++) {\n if (\n (dontConvert && array1[i] !== array2[i]) ||\n (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))\n ) {\n diffs++;\n }\n }\n return diffs + lengthDiff;\n }\n\n // FORMATTING\n\n function offset(token, separator) {\n addFormatToken(token, 0, 0, function () {\n var offset = this.utcOffset(),\n sign = '+';\n if (offset < 0) {\n offset = -offset;\n sign = '-';\n }\n return (\n sign +\n zeroFill(~~(offset / 60), 2) +\n separator +\n zeroFill(~~offset % 60, 2)\n );\n });\n }\n\n offset('Z', ':');\n offset('ZZ', '');\n\n // PARSING\n\n addRegexToken('Z', matchShortOffset);\n addRegexToken('ZZ', matchShortOffset);\n addParseToken(['Z', 'ZZ'], function (input, array, config) {\n config._useUTC = true;\n config._tzm = offsetFromString(matchShortOffset, input);\n });\n\n // HELPERS\n\n // timezone chunker\n // '+10:00' > ['10', '00']\n // '-1530' > ['-15', '30']\n var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n function offsetFromString(matcher, string) {\n var matches = (string || '').match(matcher),\n chunk,\n parts,\n minutes;\n\n if (matches === null) {\n return null;\n }\n\n chunk = matches[matches.length - 1] || [];\n parts = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n return minutes === 0 ? 0 : parts[0] === '+' ? minutes : -minutes;\n }\n\n // Return a moment from input, that is local/utc/zone equivalent to model.\n function cloneWithOffset(input, model) {\n var res, diff;\n if (model._isUTC) {\n res = model.clone();\n diff =\n (isMoment(input) || isDate(input)\n ? input.valueOf()\n : createLocal(input).valueOf()) - res.valueOf();\n // Use low-level api, because this fn is low-level api.\n res._d.setTime(res._d.valueOf() + diff);\n hooks.updateOffset(res, false);\n return res;\n } else {\n return createLocal(input).local();\n }\n }\n\n function getDateOffset(m) {\n // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n // https://github.com/moment/moment/pull/1871\n return -Math.round(m._d.getTimezoneOffset());\n }\n\n // HOOKS\n\n // This function will be called whenever a moment is mutated.\n // It is intended to keep the offset in sync with the timezone.\n hooks.updateOffset = function () {};\n\n // MOMENTS\n\n // keepLocalTime = true means only change the timezone, without\n // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n // +0200, so we adjust the time as needed, to be valid.\n //\n // Keeping the time actually adds/subtracts (one hour)\n // from the actual represented time. That is why we call updateOffset\n // a second time. In case it wants us to change the offset again\n // _changeInProgress == true case, then we have to adjust, because\n // there is no such time in the given timezone.\n function getSetOffset(input, keepLocalTime, keepMinutes) {\n var offset = this._offset || 0,\n localAdjust;\n if (!this.isValid()) {\n return input != null ? this : NaN;\n }\n if (input != null) {\n if (typeof input === 'string') {\n input = offsetFromString(matchShortOffset, input);\n if (input === null) {\n return this;\n }\n } else if (Math.abs(input) < 16 && !keepMinutes) {\n input = input * 60;\n }\n if (!this._isUTC && keepLocalTime) {\n localAdjust = getDateOffset(this);\n }\n this._offset = input;\n this._isUTC = true;\n if (localAdjust != null) {\n this.add(localAdjust, 'm');\n }\n if (offset !== input) {\n if (!keepLocalTime || this._changeInProgress) {\n addSubtract(\n this,\n createDuration(input - offset, 'm'),\n 1,\n false\n );\n } else if (!this._changeInProgress) {\n this._changeInProgress = true;\n hooks.updateOffset(this, true);\n this._changeInProgress = null;\n }\n }\n return this;\n } else {\n return this._isUTC ? offset : getDateOffset(this);\n }\n }\n\n function getSetZone(input, keepLocalTime) {\n if (input != null) {\n if (typeof input !== 'string') {\n input = -input;\n }\n\n this.utcOffset(input, keepLocalTime);\n\n return this;\n } else {\n return -this.utcOffset();\n }\n }\n\n function setOffsetToUTC(keepLocalTime) {\n return this.utcOffset(0, keepLocalTime);\n }\n\n function setOffsetToLocal(keepLocalTime) {\n if (this._isUTC) {\n this.utcOffset(0, keepLocalTime);\n this._isUTC = false;\n\n if (keepLocalTime) {\n this.subtract(getDateOffset(this), 'm');\n }\n }\n return this;\n }\n\n function setOffsetToParsedOffset() {\n if (this._tzm != null) {\n this.utcOffset(this._tzm, false, true);\n } else if (typeof this._i === 'string') {\n var tZone = offsetFromString(matchOffset, this._i);\n if (tZone != null) {\n this.utcOffset(tZone);\n } else {\n this.utcOffset(0, true);\n }\n }\n return this;\n }\n\n function hasAlignedHourOffset(input) {\n if (!this.isValid()) {\n return false;\n }\n input = input ? createLocal(input).utcOffset() : 0;\n\n return (this.utcOffset() - input) % 60 === 0;\n }\n\n function isDaylightSavingTime() {\n return (\n this.utcOffset() > this.clone().month(0).utcOffset() ||\n this.utcOffset() > this.clone().month(5).utcOffset()\n );\n }\n\n function isDaylightSavingTimeShifted() {\n if (!isUndefined(this._isDSTShifted)) {\n return this._isDSTShifted;\n }\n\n var c = {},\n other;\n\n copyConfig(c, this);\n c = prepareConfig(c);\n\n if (c._a) {\n other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n this._isDSTShifted =\n this.isValid() && compareArrays(c._a, other.toArray()) > 0;\n } else {\n this._isDSTShifted = false;\n }\n\n return this._isDSTShifted;\n }\n\n function isLocal() {\n return this.isValid() ? !this._isUTC : false;\n }\n\n function isUtcOffset() {\n return this.isValid() ? this._isUTC : false;\n }\n\n function isUtc() {\n return this.isValid() ? this._isUTC && this._offset === 0 : false;\n }\n\n // ASP.NET json date format regex\n var aspNetRegex = /^(-|\\+)?(?:(\\d*)[. ])?(\\d+):(\\d+)(?::(\\d+)(\\.\\d*)?)?$/,\n // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n // and further modified to allow for strings containing both week and day\n isoRegex =\n /^(-|\\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/;\n\n function createDuration(input, key) {\n var duration = input,\n // matching against regexp is expensive, do it on demand\n match = null,\n sign,\n ret,\n diffRes;\n\n if (isDuration(input)) {\n duration = {\n ms: input._milliseconds,\n d: input._days,\n M: input._months,\n };\n } else if (isNumber(input) || !isNaN(+input)) {\n duration = {};\n if (key) {\n duration[key] = +input;\n } else {\n duration.milliseconds = +input;\n }\n } else if ((match = aspNetRegex.exec(input))) {\n sign = match[1] === '-' ? -1 : 1;\n duration = {\n y: 0,\n d: toInt(match[DATE]) * sign,\n h: toInt(match[HOUR]) * sign,\n m: toInt(match[MINUTE]) * sign,\n s: toInt(match[SECOND]) * sign,\n ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match\n };\n } else if ((match = isoRegex.exec(input))) {\n sign = match[1] === '-' ? -1 : 1;\n duration = {\n y: parseIso(match[2], sign),\n M: parseIso(match[3], sign),\n w: parseIso(match[4], sign),\n d: parseIso(match[5], sign),\n h: parseIso(match[6], sign),\n m: parseIso(match[7], sign),\n s: parseIso(match[8], sign),\n };\n } else if (duration == null) {\n // checks for null or undefined\n duration = {};\n } else if (\n typeof duration === 'object' &&\n ('from' in duration || 'to' in duration)\n ) {\n diffRes = momentsDifference(\n createLocal(duration.from),\n createLocal(duration.to)\n );\n\n duration = {};\n duration.ms = diffRes.milliseconds;\n duration.M = diffRes.months;\n }\n\n ret = new Duration(duration);\n\n if (isDuration(input) && hasOwnProp(input, '_locale')) {\n ret._locale = input._locale;\n }\n\n if (isDuration(input) && hasOwnProp(input, '_isValid')) {\n ret._isValid = input._isValid;\n }\n\n return ret;\n }\n\n createDuration.fn = Duration.prototype;\n createDuration.invalid = createInvalid$1;\n\n function parseIso(inp, sign) {\n // We'd normally use ~~inp for this, but unfortunately it also\n // converts floats to ints.\n // inp may be undefined, so careful calling replace on it.\n var res = inp && parseFloat(inp.replace(',', '.'));\n // apply sign while we're at it\n return (isNaN(res) ? 0 : res) * sign;\n }\n\n function positiveMomentsDifference(base, other) {\n var res = {};\n\n res.months =\n other.month() - base.month() + (other.year() - base.year()) * 12;\n if (base.clone().add(res.months, 'M').isAfter(other)) {\n --res.months;\n }\n\n res.milliseconds = +other - +base.clone().add(res.months, 'M');\n\n return res;\n }\n\n function momentsDifference(base, other) {\n var res;\n if (!(base.isValid() && other.isValid())) {\n return { milliseconds: 0, months: 0 };\n }\n\n other = cloneWithOffset(other, base);\n if (base.isBefore(other)) {\n res = positiveMomentsDifference(base, other);\n } else {\n res = positiveMomentsDifference(other, base);\n res.milliseconds = -res.milliseconds;\n res.months = -res.months;\n }\n\n return res;\n }\n\n // TODO: remove 'name' arg after deprecation is removed\n function createAdder(direction, name) {\n return function (val, period) {\n var dur, tmp;\n //invert the arguments, but complain about it\n if (period !== null && !isNaN(+period)) {\n deprecateSimple(\n name,\n 'moment().' +\n name +\n '(period, number) is deprecated. Please use moment().' +\n name +\n '(number, period). ' +\n 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.'\n );\n tmp = val;\n val = period;\n period = tmp;\n }\n\n dur = createDuration(val, period);\n addSubtract(this, dur, direction);\n return this;\n };\n }\n\n function addSubtract(mom, duration, isAdding, updateOffset) {\n var milliseconds = duration._milliseconds,\n days = absRound(duration._days),\n months = absRound(duration._months);\n\n if (!mom.isValid()) {\n // No op\n return;\n }\n\n updateOffset = updateOffset == null ? true : updateOffset;\n\n if (months) {\n setMonth(mom, get(mom, 'Month') + months * isAdding);\n }\n if (days) {\n set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n }\n if (milliseconds) {\n mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n }\n if (updateOffset) {\n hooks.updateOffset(mom, days || months);\n }\n }\n\n var add = createAdder(1, 'add'),\n subtract = createAdder(-1, 'subtract');\n\n function isString(input) {\n return typeof input === 'string' || input instanceof String;\n }\n\n // type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined\n function isMomentInput(input) {\n return (\n isMoment(input) ||\n isDate(input) ||\n isString(input) ||\n isNumber(input) ||\n isNumberOrStringArray(input) ||\n isMomentInputObject(input) ||\n input === null ||\n input === undefined\n );\n }\n\n function isMomentInputObject(input) {\n var objectTest = isObject(input) && !isObjectEmpty(input),\n propertyTest = false,\n properties = [\n 'years',\n 'year',\n 'y',\n 'months',\n 'month',\n 'M',\n 'days',\n 'day',\n 'd',\n 'dates',\n 'date',\n 'D',\n 'hours',\n 'hour',\n 'h',\n 'minutes',\n 'minute',\n 'm',\n 'seconds',\n 'second',\n 's',\n 'milliseconds',\n 'millisecond',\n 'ms',\n ],\n i,\n property,\n propertyLen = properties.length;\n\n for (i = 0; i < propertyLen; i += 1) {\n property = properties[i];\n propertyTest = propertyTest || hasOwnProp(input, property);\n }\n\n return objectTest && propertyTest;\n }\n\n function isNumberOrStringArray(input) {\n var arrayTest = isArray(input),\n dataTypeTest = false;\n if (arrayTest) {\n dataTypeTest =\n input.filter(function (item) {\n return !isNumber(item) && isString(input);\n }).length === 0;\n }\n return arrayTest && dataTypeTest;\n }\n\n function isCalendarSpec(input) {\n var objectTest = isObject(input) && !isObjectEmpty(input),\n propertyTest = false,\n properties = [\n 'sameDay',\n 'nextDay',\n 'lastDay',\n 'nextWeek',\n 'lastWeek',\n 'sameElse',\n ],\n i,\n property;\n\n for (i = 0; i < properties.length; i += 1) {\n property = properties[i];\n propertyTest = propertyTest || hasOwnProp(input, property);\n }\n\n return objectTest && propertyTest;\n }\n\n function getCalendarFormat(myMoment, now) {\n var diff = myMoment.diff(now, 'days', true);\n return diff < -6\n ? 'sameElse'\n : diff < -1\n ? 'lastWeek'\n : diff < 0\n ? 'lastDay'\n : diff < 1\n ? 'sameDay'\n : diff < 2\n ? 'nextDay'\n : diff < 7\n ? 'nextWeek'\n : 'sameElse';\n }\n\n function calendar$1(time, formats) {\n // Support for single parameter, formats only overload to the calendar function\n if (arguments.length === 1) {\n if (!arguments[0]) {\n time = undefined;\n formats = undefined;\n } else if (isMomentInput(arguments[0])) {\n time = arguments[0];\n formats = undefined;\n } else if (isCalendarSpec(arguments[0])) {\n formats = arguments[0];\n time = undefined;\n }\n }\n // We want to compare the start of today, vs this.\n // Getting start-of-today depends on whether we're local/utc/offset or not.\n var now = time || createLocal(),\n sod = cloneWithOffset(now, this).startOf('day'),\n format = hooks.calendarFormat(this, sod) || 'sameElse',\n output =\n formats &&\n (isFunction(formats[format])\n ? formats[format].call(this, now)\n : formats[format]);\n\n return this.format(\n output || this.localeData().calendar(format, this, createLocal(now))\n );\n }\n\n function clone() {\n return new Moment(this);\n }\n\n function isAfter(input, units) {\n var localInput = isMoment(input) ? input : createLocal(input);\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n units = normalizeUnits(units) || 'millisecond';\n if (units === 'millisecond') {\n return this.valueOf() > localInput.valueOf();\n } else {\n return localInput.valueOf() < this.clone().startOf(units).valueOf();\n }\n }\n\n function isBefore(input, units) {\n var localInput = isMoment(input) ? input : createLocal(input);\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n units = normalizeUnits(units) || 'millisecond';\n if (units === 'millisecond') {\n return this.valueOf() < localInput.valueOf();\n } else {\n return this.clone().endOf(units).valueOf() < localInput.valueOf();\n }\n }\n\n function isBetween(from, to, units, inclusivity) {\n var localFrom = isMoment(from) ? from : createLocal(from),\n localTo = isMoment(to) ? to : createLocal(to);\n if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) {\n return false;\n }\n inclusivity = inclusivity || '()';\n return (\n (inclusivity[0] === '('\n ? this.isAfter(localFrom, units)\n : !this.isBefore(localFrom, units)) &&\n (inclusivity[1] === ')'\n ? this.isBefore(localTo, units)\n : !this.isAfter(localTo, units))\n );\n }\n\n function isSame(input, units) {\n var localInput = isMoment(input) ? input : createLocal(input),\n inputMs;\n if (!(this.isValid() && localInput.isValid())) {\n return false;\n }\n units = normalizeUnits(units) || 'millisecond';\n if (units === 'millisecond') {\n return this.valueOf() === localInput.valueOf();\n } else {\n inputMs = localInput.valueOf();\n return (\n this.clone().startOf(units).valueOf() <= inputMs &&\n inputMs <= this.clone().endOf(units).valueOf()\n );\n }\n }\n\n function isSameOrAfter(input, units) {\n return this.isSame(input, units) || this.isAfter(input, units);\n }\n\n function isSameOrBefore(input, units) {\n return this.isSame(input, units) || this.isBefore(input, units);\n }\n\n function diff(input, units, asFloat) {\n var that, zoneDelta, output;\n\n if (!this.isValid()) {\n return NaN;\n }\n\n that = cloneWithOffset(input, this);\n\n if (!that.isValid()) {\n return NaN;\n }\n\n zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n\n units = normalizeUnits(units);\n\n switch (units) {\n case 'year':\n output = monthDiff(this, that) / 12;\n break;\n case 'month':\n output = monthDiff(this, that);\n break;\n case 'quarter':\n output = monthDiff(this, that) / 3;\n break;\n case 'second':\n output = (this - that) / 1e3;\n break; // 1000\n case 'minute':\n output = (this - that) / 6e4;\n break; // 1000 * 60\n case 'hour':\n output = (this - that) / 36e5;\n break; // 1000 * 60 * 60\n case 'day':\n output = (this - that - zoneDelta) / 864e5;\n break; // 1000 * 60 * 60 * 24, negate dst\n case 'week':\n output = (this - that - zoneDelta) / 6048e5;\n break; // 1000 * 60 * 60 * 24 * 7, negate dst\n default:\n output = this - that;\n }\n\n return asFloat ? output : absFloor(output);\n }\n\n function monthDiff(a, b) {\n if (a.date() < b.date()) {\n // end-of-month calculations work correct when the start month has more\n // days than the end month.\n return -monthDiff(b, a);\n }\n // difference in months\n var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()),\n // b is in (anchor - 1 month, anchor + 1 month)\n anchor = a.clone().add(wholeMonthDiff, 'months'),\n anchor2,\n adjust;\n\n if (b - anchor < 0) {\n anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n // linear across the month\n adjust = (b - anchor) / (anchor - anchor2);\n } else {\n anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n // linear across the month\n adjust = (b - anchor) / (anchor2 - anchor);\n }\n\n //check for negative zero, return zero if negative zero\n return -(wholeMonthDiff + adjust) || 0;\n }\n\n hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\n function toString() {\n return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n }\n\n function toISOString(keepOffset) {\n if (!this.isValid()) {\n return null;\n }\n var utc = keepOffset !== true,\n m = utc ? this.clone().utc() : this;\n if (m.year() < 0 || m.year() > 9999) {\n return formatMoment(\n m,\n utc\n ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]'\n : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ'\n );\n }\n if (isFunction(Date.prototype.toISOString)) {\n // native implementation is ~50x faster, use it when we can\n if (utc) {\n return this.toDate().toISOString();\n } else {\n return new Date(this.valueOf() + this.utcOffset() * 60 * 1000)\n .toISOString()\n .replace('Z', formatMoment(m, 'Z'));\n }\n }\n return formatMoment(\n m,\n utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ'\n );\n }\n\n /**\n * Return a human readable representation of a moment that can\n * also be evaluated to get a new moment which is the same\n *\n * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n */\n function inspect() {\n if (!this.isValid()) {\n return 'moment.invalid(/* ' + this._i + ' */)';\n }\n var func = 'moment',\n zone = '',\n prefix,\n year,\n datetime,\n suffix;\n if (!this.isLocal()) {\n func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n zone = 'Z';\n }\n prefix = '[' + func + '(\"]';\n year = 0 <= this.year() && this.year() <= 9999 ? 'YYYY' : 'YYYYYY';\n datetime = '-MM-DD[T]HH:mm:ss.SSS';\n suffix = zone + '[\")]';\n\n return this.format(prefix + year + datetime + suffix);\n }\n\n function format(inputString) {\n if (!inputString) {\n inputString = this.isUtc()\n ? hooks.defaultFormatUtc\n : hooks.defaultFormat;\n }\n var output = formatMoment(this, inputString);\n return this.localeData().postformat(output);\n }\n\n function from(time, withoutSuffix) {\n if (\n this.isValid() &&\n ((isMoment(time) && time.isValid()) || createLocal(time).isValid())\n ) {\n return createDuration({ to: this, from: time })\n .locale(this.locale())\n .humanize(!withoutSuffix);\n } else {\n return this.localeData().invalidDate();\n }\n }\n\n function fromNow(withoutSuffix) {\n return this.from(createLocal(), withoutSuffix);\n }\n\n function to(time, withoutSuffix) {\n if (\n this.isValid() &&\n ((isMoment(time) && time.isValid()) || createLocal(time).isValid())\n ) {\n return createDuration({ from: this, to: time })\n .locale(this.locale())\n .humanize(!withoutSuffix);\n } else {\n return this.localeData().invalidDate();\n }\n }\n\n function toNow(withoutSuffix) {\n return this.to(createLocal(), withoutSuffix);\n }\n\n // If passed a locale key, it will set the locale for this\n // instance. Otherwise, it will return the locale configuration\n // variables for this instance.\n function locale(key) {\n var newLocaleData;\n\n if (key === undefined) {\n return this._locale._abbr;\n } else {\n newLocaleData = getLocale(key);\n if (newLocaleData != null) {\n this._locale = newLocaleData;\n }\n return this;\n }\n }\n\n var lang = deprecate(\n 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n function (key) {\n if (key === undefined) {\n return this.localeData();\n } else {\n return this.locale(key);\n }\n }\n );\n\n function localeData() {\n return this._locale;\n }\n\n var MS_PER_SECOND = 1000,\n MS_PER_MINUTE = 60 * MS_PER_SECOND,\n MS_PER_HOUR = 60 * MS_PER_MINUTE,\n MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR;\n\n // actual modulo - handles negative numbers (for dates before 1970):\n function mod$1(dividend, divisor) {\n return ((dividend % divisor) + divisor) % divisor;\n }\n\n function localStartOfDate(y, m, d) {\n // the date constructor remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0) {\n // preserve leap years using a full 400 year cycle, then reset\n return new Date(y + 400, m, d) - MS_PER_400_YEARS;\n } else {\n return new Date(y, m, d).valueOf();\n }\n }\n\n function utcStartOfDate(y, m, d) {\n // Date.UTC remaps years 0-99 to 1900-1999\n if (y < 100 && y >= 0) {\n // preserve leap years using a full 400 year cycle, then reset\n return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS;\n } else {\n return Date.UTC(y, m, d);\n }\n }\n\n function startOf(units) {\n var time, startOfDate;\n units = normalizeUnits(units);\n if (units === undefined || units === 'millisecond' || !this.isValid()) {\n return this;\n }\n\n startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;\n\n switch (units) {\n case 'year':\n time = startOfDate(this.year(), 0, 1);\n break;\n case 'quarter':\n time = startOfDate(\n this.year(),\n this.month() - (this.month() % 3),\n 1\n );\n break;\n case 'month':\n time = startOfDate(this.year(), this.month(), 1);\n break;\n case 'week':\n time = startOfDate(\n this.year(),\n this.month(),\n this.date() - this.weekday()\n );\n break;\n case 'isoWeek':\n time = startOfDate(\n this.year(),\n this.month(),\n this.date() - (this.isoWeekday() - 1)\n );\n break;\n case 'day':\n case 'date':\n time = startOfDate(this.year(), this.month(), this.date());\n break;\n case 'hour':\n time = this._d.valueOf();\n time -= mod$1(\n time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),\n MS_PER_HOUR\n );\n break;\n case 'minute':\n time = this._d.valueOf();\n time -= mod$1(time, MS_PER_MINUTE);\n break;\n case 'second':\n time = this._d.valueOf();\n time -= mod$1(time, MS_PER_SECOND);\n break;\n }\n\n this._d.setTime(time);\n hooks.updateOffset(this, true);\n return this;\n }\n\n function endOf(units) {\n var time, startOfDate;\n units = normalizeUnits(units);\n if (units === undefined || units === 'millisecond' || !this.isValid()) {\n return this;\n }\n\n startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate;\n\n switch (units) {\n case 'year':\n time = startOfDate(this.year() + 1, 0, 1) - 1;\n break;\n case 'quarter':\n time =\n startOfDate(\n this.year(),\n this.month() - (this.month() % 3) + 3,\n 1\n ) - 1;\n break;\n case 'month':\n time = startOfDate(this.year(), this.month() + 1, 1) - 1;\n break;\n case 'week':\n time =\n startOfDate(\n this.year(),\n this.month(),\n this.date() - this.weekday() + 7\n ) - 1;\n break;\n case 'isoWeek':\n time =\n startOfDate(\n this.year(),\n this.month(),\n this.date() - (this.isoWeekday() - 1) + 7\n ) - 1;\n break;\n case 'day':\n case 'date':\n time = startOfDate(this.year(), this.month(), this.date() + 1) - 1;\n break;\n case 'hour':\n time = this._d.valueOf();\n time +=\n MS_PER_HOUR -\n mod$1(\n time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE),\n MS_PER_HOUR\n ) -\n 1;\n break;\n case 'minute':\n time = this._d.valueOf();\n time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1;\n break;\n case 'second':\n time = this._d.valueOf();\n time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1;\n break;\n }\n\n this._d.setTime(time);\n hooks.updateOffset(this, true);\n return this;\n }\n\n function valueOf() {\n return this._d.valueOf() - (this._offset || 0) * 60000;\n }\n\n function unix() {\n return Math.floor(this.valueOf() / 1000);\n }\n\n function toDate() {\n return new Date(this.valueOf());\n }\n\n function toArray() {\n var m = this;\n return [\n m.year(),\n m.month(),\n m.date(),\n m.hour(),\n m.minute(),\n m.second(),\n m.millisecond(),\n ];\n }\n\n function toObject() {\n var m = this;\n return {\n years: m.year(),\n months: m.month(),\n date: m.date(),\n hours: m.hours(),\n minutes: m.minutes(),\n seconds: m.seconds(),\n milliseconds: m.milliseconds(),\n };\n }\n\n function toJSON() {\n // new Date(NaN).toJSON() === null\n return this.isValid() ? this.toISOString() : null;\n }\n\n function isValid$2() {\n return isValid(this);\n }\n\n function parsingFlags() {\n return extend({}, getParsingFlags(this));\n }\n\n function invalidAt() {\n return getParsingFlags(this).overflow;\n }\n\n function creationData() {\n return {\n input: this._i,\n format: this._f,\n locale: this._locale,\n isUTC: this._isUTC,\n strict: this._strict,\n };\n }\n\n addFormatToken('N', 0, 0, 'eraAbbr');\n addFormatToken('NN', 0, 0, 'eraAbbr');\n addFormatToken('NNN', 0, 0, 'eraAbbr');\n addFormatToken('NNNN', 0, 0, 'eraName');\n addFormatToken('NNNNN', 0, 0, 'eraNarrow');\n\n addFormatToken('y', ['y', 1], 'yo', 'eraYear');\n addFormatToken('y', ['yy', 2], 0, 'eraYear');\n addFormatToken('y', ['yyy', 3], 0, 'eraYear');\n addFormatToken('y', ['yyyy', 4], 0, 'eraYear');\n\n addRegexToken('N', matchEraAbbr);\n addRegexToken('NN', matchEraAbbr);\n addRegexToken('NNN', matchEraAbbr);\n addRegexToken('NNNN', matchEraName);\n addRegexToken('NNNNN', matchEraNarrow);\n\n addParseToken(\n ['N', 'NN', 'NNN', 'NNNN', 'NNNNN'],\n function (input, array, config, token) {\n var era = config._locale.erasParse(input, token, config._strict);\n if (era) {\n getParsingFlags(config).era = era;\n } else {\n getParsingFlags(config).invalidEra = input;\n }\n }\n );\n\n addRegexToken('y', matchUnsigned);\n addRegexToken('yy', matchUnsigned);\n addRegexToken('yyy', matchUnsigned);\n addRegexToken('yyyy', matchUnsigned);\n addRegexToken('yo', matchEraYearOrdinal);\n\n addParseToken(['y', 'yy', 'yyy', 'yyyy'], YEAR);\n addParseToken(['yo'], function (input, array, config, token) {\n var match;\n if (config._locale._eraYearOrdinalRegex) {\n match = input.match(config._locale._eraYearOrdinalRegex);\n }\n\n if (config._locale.eraYearOrdinalParse) {\n array[YEAR] = config._locale.eraYearOrdinalParse(input, match);\n } else {\n array[YEAR] = parseInt(input, 10);\n }\n });\n\n function localeEras(m, format) {\n var i,\n l,\n date,\n eras = this._eras || getLocale('en')._eras;\n for (i = 0, l = eras.length; i < l; ++i) {\n switch (typeof eras[i].since) {\n case 'string':\n // truncate time\n date = hooks(eras[i].since).startOf('day');\n eras[i].since = date.valueOf();\n break;\n }\n\n switch (typeof eras[i].until) {\n case 'undefined':\n eras[i].until = +Infinity;\n break;\n case 'string':\n // truncate time\n date = hooks(eras[i].until).startOf('day').valueOf();\n eras[i].until = date.valueOf();\n break;\n }\n }\n return eras;\n }\n\n function localeErasParse(eraName, format, strict) {\n var i,\n l,\n eras = this.eras(),\n name,\n abbr,\n narrow;\n eraName = eraName.toUpperCase();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n name = eras[i].name.toUpperCase();\n abbr = eras[i].abbr.toUpperCase();\n narrow = eras[i].narrow.toUpperCase();\n\n if (strict) {\n switch (format) {\n case 'N':\n case 'NN':\n case 'NNN':\n if (abbr === eraName) {\n return eras[i];\n }\n break;\n\n case 'NNNN':\n if (name === eraName) {\n return eras[i];\n }\n break;\n\n case 'NNNNN':\n if (narrow === eraName) {\n return eras[i];\n }\n break;\n }\n } else if ([name, abbr, narrow].indexOf(eraName) >= 0) {\n return eras[i];\n }\n }\n }\n\n function localeErasConvertYear(era, year) {\n var dir = era.since <= era.until ? +1 : -1;\n if (year === undefined) {\n return hooks(era.since).year();\n } else {\n return hooks(era.since).year() + (year - era.offset) * dir;\n }\n }\n\n function getEraName() {\n var i,\n l,\n val,\n eras = this.localeData().eras();\n for (i = 0, l = eras.length; i < l; ++i) {\n // truncate time\n val = this.clone().startOf('day').valueOf();\n\n if (eras[i].since <= val && val <= eras[i].until) {\n return eras[i].name;\n }\n if (eras[i].until <= val && val <= eras[i].since) {\n return eras[i].name;\n }\n }\n\n return '';\n }\n\n function getEraNarrow() {\n var i,\n l,\n val,\n eras = this.localeData().eras();\n for (i = 0, l = eras.length; i < l; ++i) {\n // truncate time\n val = this.clone().startOf('day').valueOf();\n\n if (eras[i].since <= val && val <= eras[i].until) {\n return eras[i].narrow;\n }\n if (eras[i].until <= val && val <= eras[i].since) {\n return eras[i].narrow;\n }\n }\n\n return '';\n }\n\n function getEraAbbr() {\n var i,\n l,\n val,\n eras = this.localeData().eras();\n for (i = 0, l = eras.length; i < l; ++i) {\n // truncate time\n val = this.clone().startOf('day').valueOf();\n\n if (eras[i].since <= val && val <= eras[i].until) {\n return eras[i].abbr;\n }\n if (eras[i].until <= val && val <= eras[i].since) {\n return eras[i].abbr;\n }\n }\n\n return '';\n }\n\n function getEraYear() {\n var i,\n l,\n dir,\n val,\n eras = this.localeData().eras();\n for (i = 0, l = eras.length; i < l; ++i) {\n dir = eras[i].since <= eras[i].until ? +1 : -1;\n\n // truncate time\n val = this.clone().startOf('day').valueOf();\n\n if (\n (eras[i].since <= val && val <= eras[i].until) ||\n (eras[i].until <= val && val <= eras[i].since)\n ) {\n return (\n (this.year() - hooks(eras[i].since).year()) * dir +\n eras[i].offset\n );\n }\n }\n\n return this.year();\n }\n\n function erasNameRegex(isStrict) {\n if (!hasOwnProp(this, '_erasNameRegex')) {\n computeErasParse.call(this);\n }\n return isStrict ? this._erasNameRegex : this._erasRegex;\n }\n\n function erasAbbrRegex(isStrict) {\n if (!hasOwnProp(this, '_erasAbbrRegex')) {\n computeErasParse.call(this);\n }\n return isStrict ? this._erasAbbrRegex : this._erasRegex;\n }\n\n function erasNarrowRegex(isStrict) {\n if (!hasOwnProp(this, '_erasNarrowRegex')) {\n computeErasParse.call(this);\n }\n return isStrict ? this._erasNarrowRegex : this._erasRegex;\n }\n\n function matchEraAbbr(isStrict, locale) {\n return locale.erasAbbrRegex(isStrict);\n }\n\n function matchEraName(isStrict, locale) {\n return locale.erasNameRegex(isStrict);\n }\n\n function matchEraNarrow(isStrict, locale) {\n return locale.erasNarrowRegex(isStrict);\n }\n\n function matchEraYearOrdinal(isStrict, locale) {\n return locale._eraYearOrdinalRegex || matchUnsigned;\n }\n\n function computeErasParse() {\n var abbrPieces = [],\n namePieces = [],\n narrowPieces = [],\n mixedPieces = [],\n i,\n l,\n eras = this.eras();\n\n for (i = 0, l = eras.length; i < l; ++i) {\n namePieces.push(regexEscape(eras[i].name));\n abbrPieces.push(regexEscape(eras[i].abbr));\n narrowPieces.push(regexEscape(eras[i].narrow));\n\n mixedPieces.push(regexEscape(eras[i].name));\n mixedPieces.push(regexEscape(eras[i].abbr));\n mixedPieces.push(regexEscape(eras[i].narrow));\n }\n\n this._erasRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n this._erasNameRegex = new RegExp('^(' + namePieces.join('|') + ')', 'i');\n this._erasAbbrRegex = new RegExp('^(' + abbrPieces.join('|') + ')', 'i');\n this._erasNarrowRegex = new RegExp(\n '^(' + narrowPieces.join('|') + ')',\n 'i'\n );\n }\n\n // FORMATTING\n\n addFormatToken(0, ['gg', 2], 0, function () {\n return this.weekYear() % 100;\n });\n\n addFormatToken(0, ['GG', 2], 0, function () {\n return this.isoWeekYear() % 100;\n });\n\n function addWeekYearFormatToken(token, getter) {\n addFormatToken(0, [token, token.length], 0, getter);\n }\n\n addWeekYearFormatToken('gggg', 'weekYear');\n addWeekYearFormatToken('ggggg', 'weekYear');\n addWeekYearFormatToken('GGGG', 'isoWeekYear');\n addWeekYearFormatToken('GGGGG', 'isoWeekYear');\n\n // ALIASES\n\n addUnitAlias('weekYear', 'gg');\n addUnitAlias('isoWeekYear', 'GG');\n\n // PRIORITY\n\n addUnitPriority('weekYear', 1);\n addUnitPriority('isoWeekYear', 1);\n\n // PARSING\n\n addRegexToken('G', matchSigned);\n addRegexToken('g', matchSigned);\n addRegexToken('GG', match1to2, match2);\n addRegexToken('gg', match1to2, match2);\n addRegexToken('GGGG', match1to4, match4);\n addRegexToken('gggg', match1to4, match4);\n addRegexToken('GGGGG', match1to6, match6);\n addRegexToken('ggggg', match1to6, match6);\n\n addWeekParseToken(\n ['gggg', 'ggggg', 'GGGG', 'GGGGG'],\n function (input, week, config, token) {\n week[token.substr(0, 2)] = toInt(input);\n }\n );\n\n addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n week[token] = hooks.parseTwoDigitYear(input);\n });\n\n // MOMENTS\n\n function getSetWeekYear(input) {\n return getSetWeekYearHelper.call(\n this,\n input,\n this.week(),\n this.weekday(),\n this.localeData()._week.dow,\n this.localeData()._week.doy\n );\n }\n\n function getSetISOWeekYear(input) {\n return getSetWeekYearHelper.call(\n this,\n input,\n this.isoWeek(),\n this.isoWeekday(),\n 1,\n 4\n );\n }\n\n function getISOWeeksInYear() {\n return weeksInYear(this.year(), 1, 4);\n }\n\n function getISOWeeksInISOWeekYear() {\n return weeksInYear(this.isoWeekYear(), 1, 4);\n }\n\n function getWeeksInYear() {\n var weekInfo = this.localeData()._week;\n return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n }\n\n function getWeeksInWeekYear() {\n var weekInfo = this.localeData()._week;\n return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy);\n }\n\n function getSetWeekYearHelper(input, week, weekday, dow, doy) {\n var weeksTarget;\n if (input == null) {\n return weekOfYear(this, dow, doy).year;\n } else {\n weeksTarget = weeksInYear(input, dow, doy);\n if (week > weeksTarget) {\n week = weeksTarget;\n }\n return setWeekAll.call(this, input, week, weekday, dow, doy);\n }\n }\n\n function setWeekAll(weekYear, week, weekday, dow, doy) {\n var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),\n date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);\n\n this.year(date.getUTCFullYear());\n this.month(date.getUTCMonth());\n this.date(date.getUTCDate());\n return this;\n }\n\n // FORMATTING\n\n addFormatToken('Q', 0, 'Qo', 'quarter');\n\n // ALIASES\n\n addUnitAlias('quarter', 'Q');\n\n // PRIORITY\n\n addUnitPriority('quarter', 7);\n\n // PARSING\n\n addRegexToken('Q', match1);\n addParseToken('Q', function (input, array) {\n array[MONTH] = (toInt(input) - 1) * 3;\n });\n\n // MOMENTS\n\n function getSetQuarter(input) {\n return input == null\n ? Math.ceil((this.month() + 1) / 3)\n : this.month((input - 1) * 3 + (this.month() % 3));\n }\n\n // FORMATTING\n\n addFormatToken('D', ['DD', 2], 'Do', 'date');\n\n // ALIASES\n\n addUnitAlias('date', 'D');\n\n // PRIORITY\n addUnitPriority('date', 9);\n\n // PARSING\n\n addRegexToken('D', match1to2);\n addRegexToken('DD', match1to2, match2);\n addRegexToken('Do', function (isStrict, locale) {\n // TODO: Remove \"ordinalParse\" fallback in next major release.\n return isStrict\n ? locale._dayOfMonthOrdinalParse || locale._ordinalParse\n : locale._dayOfMonthOrdinalParseLenient;\n });\n\n addParseToken(['D', 'DD'], DATE);\n addParseToken('Do', function (input, array) {\n array[DATE] = toInt(input.match(match1to2)[0]);\n });\n\n // MOMENTS\n\n var getSetDayOfMonth = makeGetSet('Date', true);\n\n // FORMATTING\n\n addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');\n\n // ALIASES\n\n addUnitAlias('dayOfYear', 'DDD');\n\n // PRIORITY\n addUnitPriority('dayOfYear', 4);\n\n // PARSING\n\n addRegexToken('DDD', match1to3);\n addRegexToken('DDDD', match3);\n addParseToken(['DDD', 'DDDD'], function (input, array, config) {\n config._dayOfYear = toInt(input);\n });\n\n // HELPERS\n\n // MOMENTS\n\n function getSetDayOfYear(input) {\n var dayOfYear =\n Math.round(\n (this.clone().startOf('day') - this.clone().startOf('year')) / 864e5\n ) + 1;\n return input == null ? dayOfYear : this.add(input - dayOfYear, 'd');\n }\n\n // FORMATTING\n\n addFormatToken('m', ['mm', 2], 0, 'minute');\n\n // ALIASES\n\n addUnitAlias('minute', 'm');\n\n // PRIORITY\n\n addUnitPriority('minute', 14);\n\n // PARSING\n\n addRegexToken('m', match1to2);\n addRegexToken('mm', match1to2, match2);\n addParseToken(['m', 'mm'], MINUTE);\n\n // MOMENTS\n\n var getSetMinute = makeGetSet('Minutes', false);\n\n // FORMATTING\n\n addFormatToken('s', ['ss', 2], 0, 'second');\n\n // ALIASES\n\n addUnitAlias('second', 's');\n\n // PRIORITY\n\n addUnitPriority('second', 15);\n\n // PARSING\n\n addRegexToken('s', match1to2);\n addRegexToken('ss', match1to2, match2);\n addParseToken(['s', 'ss'], SECOND);\n\n // MOMENTS\n\n var getSetSecond = makeGetSet('Seconds', false);\n\n // FORMATTING\n\n addFormatToken('S', 0, 0, function () {\n return ~~(this.millisecond() / 100);\n });\n\n addFormatToken(0, ['SS', 2], 0, function () {\n return ~~(this.millisecond() / 10);\n });\n\n addFormatToken(0, ['SSS', 3], 0, 'millisecond');\n addFormatToken(0, ['SSSS', 4], 0, function () {\n return this.millisecond() * 10;\n });\n addFormatToken(0, ['SSSSS', 5], 0, function () {\n return this.millisecond() * 100;\n });\n addFormatToken(0, ['SSSSSS', 6], 0, function () {\n return this.millisecond() * 1000;\n });\n addFormatToken(0, ['SSSSSSS', 7], 0, function () {\n return this.millisecond() * 10000;\n });\n addFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n return this.millisecond() * 100000;\n });\n addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n return this.millisecond() * 1000000;\n });\n\n // ALIASES\n\n addUnitAlias('millisecond', 'ms');\n\n // PRIORITY\n\n addUnitPriority('millisecond', 16);\n\n // PARSING\n\n addRegexToken('S', match1to3, match1);\n addRegexToken('SS', match1to3, match2);\n addRegexToken('SSS', match1to3, match3);\n\n var token, getSetMillisecond;\n for (token = 'SSSS'; token.length <= 9; token += 'S') {\n addRegexToken(token, matchUnsigned);\n }\n\n function parseMs(input, array) {\n array[MILLISECOND] = toInt(('0.' + input) * 1000);\n }\n\n for (token = 'S'; token.length <= 9; token += 'S') {\n addParseToken(token, parseMs);\n }\n\n getSetMillisecond = makeGetSet('Milliseconds', false);\n\n // FORMATTING\n\n addFormatToken('z', 0, 0, 'zoneAbbr');\n addFormatToken('zz', 0, 0, 'zoneName');\n\n // MOMENTS\n\n function getZoneAbbr() {\n return this._isUTC ? 'UTC' : '';\n }\n\n function getZoneName() {\n return this._isUTC ? 'Coordinated Universal Time' : '';\n }\n\n var proto = Moment.prototype;\n\n proto.add = add;\n proto.calendar = calendar$1;\n proto.clone = clone;\n proto.diff = diff;\n proto.endOf = endOf;\n proto.format = format;\n proto.from = from;\n proto.fromNow = fromNow;\n proto.to = to;\n proto.toNow = toNow;\n proto.get = stringGet;\n proto.invalidAt = invalidAt;\n proto.isAfter = isAfter;\n proto.isBefore = isBefore;\n proto.isBetween = isBetween;\n proto.isSame = isSame;\n proto.isSameOrAfter = isSameOrAfter;\n proto.isSameOrBefore = isSameOrBefore;\n proto.isValid = isValid$2;\n proto.lang = lang;\n proto.locale = locale;\n proto.localeData = localeData;\n proto.max = prototypeMax;\n proto.min = prototypeMin;\n proto.parsingFlags = parsingFlags;\n proto.set = stringSet;\n proto.startOf = startOf;\n proto.subtract = subtract;\n proto.toArray = toArray;\n proto.toObject = toObject;\n proto.toDate = toDate;\n proto.toISOString = toISOString;\n proto.inspect = inspect;\n if (typeof Symbol !== 'undefined' && Symbol.for != null) {\n proto[Symbol.for('nodejs.util.inspect.custom')] = function () {\n return 'Moment<' + this.format() + '>';\n };\n }\n proto.toJSON = toJSON;\n proto.toString = toString;\n proto.unix = unix;\n proto.valueOf = valueOf;\n proto.creationData = creationData;\n proto.eraName = getEraName;\n proto.eraNarrow = getEraNarrow;\n proto.eraAbbr = getEraAbbr;\n proto.eraYear = getEraYear;\n proto.year = getSetYear;\n proto.isLeapYear = getIsLeapYear;\n proto.weekYear = getSetWeekYear;\n proto.isoWeekYear = getSetISOWeekYear;\n proto.quarter = proto.quarters = getSetQuarter;\n proto.month = getSetMonth;\n proto.daysInMonth = getDaysInMonth;\n proto.week = proto.weeks = getSetWeek;\n proto.isoWeek = proto.isoWeeks = getSetISOWeek;\n proto.weeksInYear = getWeeksInYear;\n proto.weeksInWeekYear = getWeeksInWeekYear;\n proto.isoWeeksInYear = getISOWeeksInYear;\n proto.isoWeeksInISOWeekYear = getISOWeeksInISOWeekYear;\n proto.date = getSetDayOfMonth;\n proto.day = proto.days = getSetDayOfWeek;\n proto.weekday = getSetLocaleDayOfWeek;\n proto.isoWeekday = getSetISODayOfWeek;\n proto.dayOfYear = getSetDayOfYear;\n proto.hour = proto.hours = getSetHour;\n proto.minute = proto.minutes = getSetMinute;\n proto.second = proto.seconds = getSetSecond;\n proto.millisecond = proto.milliseconds = getSetMillisecond;\n proto.utcOffset = getSetOffset;\n proto.utc = setOffsetToUTC;\n proto.local = setOffsetToLocal;\n proto.parseZone = setOffsetToParsedOffset;\n proto.hasAlignedHourOffset = hasAlignedHourOffset;\n proto.isDST = isDaylightSavingTime;\n proto.isLocal = isLocal;\n proto.isUtcOffset = isUtcOffset;\n proto.isUtc = isUtc;\n proto.isUTC = isUtc;\n proto.zoneAbbr = getZoneAbbr;\n proto.zoneName = getZoneName;\n proto.dates = deprecate(\n 'dates accessor is deprecated. Use date instead.',\n getSetDayOfMonth\n );\n proto.months = deprecate(\n 'months accessor is deprecated. Use month instead',\n getSetMonth\n );\n proto.years = deprecate(\n 'years accessor is deprecated. Use year instead',\n getSetYear\n );\n proto.zone = deprecate(\n 'moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/',\n getSetZone\n );\n proto.isDSTShifted = deprecate(\n 'isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information',\n isDaylightSavingTimeShifted\n );\n\n function createUnix(input) {\n return createLocal(input * 1000);\n }\n\n function createInZone() {\n return createLocal.apply(null, arguments).parseZone();\n }\n\n function preParsePostFormat(string) {\n return string;\n }\n\n var proto$1 = Locale.prototype;\n\n proto$1.calendar = calendar;\n proto$1.longDateFormat = longDateFormat;\n proto$1.invalidDate = invalidDate;\n proto$1.ordinal = ordinal;\n proto$1.preparse = preParsePostFormat;\n proto$1.postformat = preParsePostFormat;\n proto$1.relativeTime = relativeTime;\n proto$1.pastFuture = pastFuture;\n proto$1.set = set;\n proto$1.eras = localeEras;\n proto$1.erasParse = localeErasParse;\n proto$1.erasConvertYear = localeErasConvertYear;\n proto$1.erasAbbrRegex = erasAbbrRegex;\n proto$1.erasNameRegex = erasNameRegex;\n proto$1.erasNarrowRegex = erasNarrowRegex;\n\n proto$1.months = localeMonths;\n proto$1.monthsShort = localeMonthsShort;\n proto$1.monthsParse = localeMonthsParse;\n proto$1.monthsRegex = monthsRegex;\n proto$1.monthsShortRegex = monthsShortRegex;\n proto$1.week = localeWeek;\n proto$1.firstDayOfYear = localeFirstDayOfYear;\n proto$1.firstDayOfWeek = localeFirstDayOfWeek;\n\n proto$1.weekdays = localeWeekdays;\n proto$1.weekdaysMin = localeWeekdaysMin;\n proto$1.weekdaysShort = localeWeekdaysShort;\n proto$1.weekdaysParse = localeWeekdaysParse;\n\n proto$1.weekdaysRegex = weekdaysRegex;\n proto$1.weekdaysShortRegex = weekdaysShortRegex;\n proto$1.weekdaysMinRegex = weekdaysMinRegex;\n\n proto$1.isPM = localeIsPM;\n proto$1.meridiem = localeMeridiem;\n\n function get$1(format, index, field, setter) {\n var locale = getLocale(),\n utc = createUTC().set(setter, index);\n return locale[field](utc, format);\n }\n\n function listMonthsImpl(format, index, field) {\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n\n if (index != null) {\n return get$1(format, index, field, 'month');\n }\n\n var i,\n out = [];\n for (i = 0; i < 12; i++) {\n out[i] = get$1(format, i, field, 'month');\n }\n return out;\n }\n\n // ()\n // (5)\n // (fmt, 5)\n // (fmt)\n // (true)\n // (true, 5)\n // (true, fmt, 5)\n // (true, fmt)\n function listWeekdaysImpl(localeSorted, format, index, field) {\n if (typeof localeSorted === 'boolean') {\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n } else {\n format = localeSorted;\n index = format;\n localeSorted = false;\n\n if (isNumber(format)) {\n index = format;\n format = undefined;\n }\n\n format = format || '';\n }\n\n var locale = getLocale(),\n shift = localeSorted ? locale._week.dow : 0,\n i,\n out = [];\n\n if (index != null) {\n return get$1(format, (index + shift) % 7, field, 'day');\n }\n\n for (i = 0; i < 7; i++) {\n out[i] = get$1(format, (i + shift) % 7, field, 'day');\n }\n return out;\n }\n\n function listMonths(format, index) {\n return listMonthsImpl(format, index, 'months');\n }\n\n function listMonthsShort(format, index) {\n return listMonthsImpl(format, index, 'monthsShort');\n }\n\n function listWeekdays(localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdays');\n }\n\n function listWeekdaysShort(localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');\n }\n\n function listWeekdaysMin(localeSorted, format, index) {\n return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');\n }\n\n getSetGlobalLocale('en', {\n eras: [\n {\n since: '0001-01-01',\n until: +Infinity,\n offset: 1,\n name: 'Anno Domini',\n narrow: 'AD',\n abbr: 'AD',\n },\n {\n since: '0000-12-31',\n until: -Infinity,\n offset: 1,\n name: 'Before Christ',\n narrow: 'BC',\n abbr: 'BC',\n },\n ],\n dayOfMonthOrdinalParse: /\\d{1,2}(th|st|nd|rd)/,\n ordinal: function (number) {\n var b = number % 10,\n output =\n toInt((number % 100) / 10) === 1\n ? 'th'\n : b === 1\n ? 'st'\n : b === 2\n ? 'nd'\n : b === 3\n ? 'rd'\n : 'th';\n return number + output;\n },\n });\n\n // Side effect imports\n\n hooks.lang = deprecate(\n 'moment.lang is deprecated. Use moment.locale instead.',\n getSetGlobalLocale\n );\n hooks.langData = deprecate(\n 'moment.langData is deprecated. Use moment.localeData instead.',\n getLocale\n );\n\n var mathAbs = Math.abs;\n\n function abs() {\n var data = this._data;\n\n this._milliseconds = mathAbs(this._milliseconds);\n this._days = mathAbs(this._days);\n this._months = mathAbs(this._months);\n\n data.milliseconds = mathAbs(data.milliseconds);\n data.seconds = mathAbs(data.seconds);\n data.minutes = mathAbs(data.minutes);\n data.hours = mathAbs(data.hours);\n data.months = mathAbs(data.months);\n data.years = mathAbs(data.years);\n\n return this;\n }\n\n function addSubtract$1(duration, input, value, direction) {\n var other = createDuration(input, value);\n\n duration._milliseconds += direction * other._milliseconds;\n duration._days += direction * other._days;\n duration._months += direction * other._months;\n\n return duration._bubble();\n }\n\n // supports only 2.0-style add(1, 's') or add(duration)\n function add$1(input, value) {\n return addSubtract$1(this, input, value, 1);\n }\n\n // supports only 2.0-style subtract(1, 's') or subtract(duration)\n function subtract$1(input, value) {\n return addSubtract$1(this, input, value, -1);\n }\n\n function absCeil(number) {\n if (number < 0) {\n return Math.floor(number);\n } else {\n return Math.ceil(number);\n }\n }\n\n function bubble() {\n var milliseconds = this._milliseconds,\n days = this._days,\n months = this._months,\n data = this._data,\n seconds,\n minutes,\n hours,\n years,\n monthsFromDays;\n\n // if we have a mix of positive and negative values, bubble down first\n // check: https://github.com/moment/moment/issues/2166\n if (\n !(\n (milliseconds >= 0 && days >= 0 && months >= 0) ||\n (milliseconds <= 0 && days <= 0 && months <= 0)\n )\n ) {\n milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n days = 0;\n months = 0;\n }\n\n // The following code bubbles up values, see the tests for\n // examples of what that means.\n data.milliseconds = milliseconds % 1000;\n\n seconds = absFloor(milliseconds / 1000);\n data.seconds = seconds % 60;\n\n minutes = absFloor(seconds / 60);\n data.minutes = minutes % 60;\n\n hours = absFloor(minutes / 60);\n data.hours = hours % 24;\n\n days += absFloor(hours / 24);\n\n // convert days to months\n monthsFromDays = absFloor(daysToMonths(days));\n months += monthsFromDays;\n days -= absCeil(monthsToDays(monthsFromDays));\n\n // 12 months -> 1 year\n years = absFloor(months / 12);\n months %= 12;\n\n data.days = days;\n data.months = months;\n data.years = years;\n\n return this;\n }\n\n function daysToMonths(days) {\n // 400 years have 146097 days (taking into account leap year rules)\n // 400 years have 12 months === 4800\n return (days * 4800) / 146097;\n }\n\n function monthsToDays(months) {\n // the reverse of daysToMonths\n return (months * 146097) / 4800;\n }\n\n function as(units) {\n if (!this.isValid()) {\n return NaN;\n }\n var days,\n months,\n milliseconds = this._milliseconds;\n\n units = normalizeUnits(units);\n\n if (units === 'month' || units === 'quarter' || units === 'year') {\n days = this._days + milliseconds / 864e5;\n months = this._months + daysToMonths(days);\n switch (units) {\n case 'month':\n return months;\n case 'quarter':\n return months / 3;\n case 'year':\n return months / 12;\n }\n } else {\n // handle milliseconds separately because of floating point math errors (issue #1867)\n days = this._days + Math.round(monthsToDays(this._months));\n switch (units) {\n case 'week':\n return days / 7 + milliseconds / 6048e5;\n case 'day':\n return days + milliseconds / 864e5;\n case 'hour':\n return days * 24 + milliseconds / 36e5;\n case 'minute':\n return days * 1440 + milliseconds / 6e4;\n case 'second':\n return days * 86400 + milliseconds / 1000;\n // Math.floor prevents floating point math errors here\n case 'millisecond':\n return Math.floor(days * 864e5) + milliseconds;\n default:\n throw new Error('Unknown unit ' + units);\n }\n }\n }\n\n // TODO: Use this.as('ms')?\n function valueOf$1() {\n if (!this.isValid()) {\n return NaN;\n }\n return (\n this._milliseconds +\n this._days * 864e5 +\n (this._months % 12) * 2592e6 +\n toInt(this._months / 12) * 31536e6\n );\n }\n\n function makeAs(alias) {\n return function () {\n return this.as(alias);\n };\n }\n\n var asMilliseconds = makeAs('ms'),\n asSeconds = makeAs('s'),\n asMinutes = makeAs('m'),\n asHours = makeAs('h'),\n asDays = makeAs('d'),\n asWeeks = makeAs('w'),\n asMonths = makeAs('M'),\n asQuarters = makeAs('Q'),\n asYears = makeAs('y');\n\n function clone$1() {\n return createDuration(this);\n }\n\n function get$2(units) {\n units = normalizeUnits(units);\n return this.isValid() ? this[units + 's']() : NaN;\n }\n\n function makeGetter(name) {\n return function () {\n return this.isValid() ? this._data[name] : NaN;\n };\n }\n\n var milliseconds = makeGetter('milliseconds'),\n seconds = makeGetter('seconds'),\n minutes = makeGetter('minutes'),\n hours = makeGetter('hours'),\n days = makeGetter('days'),\n months = makeGetter('months'),\n years = makeGetter('years');\n\n function weeks() {\n return absFloor(this.days() / 7);\n }\n\n var round = Math.round,\n thresholds = {\n ss: 44, // a few seconds to seconds\n s: 45, // seconds to minute\n m: 45, // minutes to hour\n h: 22, // hours to day\n d: 26, // days to month/week\n w: null, // weeks to month\n M: 11, // months to year\n };\n\n // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\n function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n }\n\n function relativeTime$1(posNegDuration, withoutSuffix, thresholds, locale) {\n var duration = createDuration(posNegDuration).abs(),\n seconds = round(duration.as('s')),\n minutes = round(duration.as('m')),\n hours = round(duration.as('h')),\n days = round(duration.as('d')),\n months = round(duration.as('M')),\n weeks = round(duration.as('w')),\n years = round(duration.as('y')),\n a =\n (seconds <= thresholds.ss && ['s', seconds]) ||\n (seconds < thresholds.s && ['ss', seconds]) ||\n (minutes <= 1 && ['m']) ||\n (minutes < thresholds.m && ['mm', minutes]) ||\n (hours <= 1 && ['h']) ||\n (hours < thresholds.h && ['hh', hours]) ||\n (days <= 1 && ['d']) ||\n (days < thresholds.d && ['dd', days]);\n\n if (thresholds.w != null) {\n a =\n a ||\n (weeks <= 1 && ['w']) ||\n (weeks < thresholds.w && ['ww', weeks]);\n }\n a = a ||\n (months <= 1 && ['M']) ||\n (months < thresholds.M && ['MM', months]) ||\n (years <= 1 && ['y']) || ['yy', years];\n\n a[2] = withoutSuffix;\n a[3] = +posNegDuration > 0;\n a[4] = locale;\n return substituteTimeAgo.apply(null, a);\n }\n\n // This function allows you to set the rounding function for relative time strings\n function getSetRelativeTimeRounding(roundingFunction) {\n if (roundingFunction === undefined) {\n return round;\n }\n if (typeof roundingFunction === 'function') {\n round = roundingFunction;\n return true;\n }\n return false;\n }\n\n // This function allows you to set a threshold for relative time strings\n function getSetRelativeTimeThreshold(threshold, limit) {\n if (thresholds[threshold] === undefined) {\n return false;\n }\n if (limit === undefined) {\n return thresholds[threshold];\n }\n thresholds[threshold] = limit;\n if (threshold === 's') {\n thresholds.ss = limit - 1;\n }\n return true;\n }\n\n function humanize(argWithSuffix, argThresholds) {\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n\n var withSuffix = false,\n th = thresholds,\n locale,\n output;\n\n if (typeof argWithSuffix === 'object') {\n argThresholds = argWithSuffix;\n argWithSuffix = false;\n }\n if (typeof argWithSuffix === 'boolean') {\n withSuffix = argWithSuffix;\n }\n if (typeof argThresholds === 'object') {\n th = Object.assign({}, thresholds, argThresholds);\n if (argThresholds.s != null && argThresholds.ss == null) {\n th.ss = argThresholds.s - 1;\n }\n }\n\n locale = this.localeData();\n output = relativeTime$1(this, !withSuffix, th, locale);\n\n if (withSuffix) {\n output = locale.pastFuture(+this, output);\n }\n\n return locale.postformat(output);\n }\n\n var abs$1 = Math.abs;\n\n function sign(x) {\n return (x > 0) - (x < 0) || +x;\n }\n\n function toISOString$1() {\n // for ISO strings we do not use the normal bubbling rules:\n // * milliseconds bubble up until they become hours\n // * days do not bubble at all\n // * months bubble up until they become years\n // This is because there is no context-free conversion between hours and days\n // (think of clock changes)\n // and also not between days and months (28-31 days per month)\n if (!this.isValid()) {\n return this.localeData().invalidDate();\n }\n\n var seconds = abs$1(this._milliseconds) / 1000,\n days = abs$1(this._days),\n months = abs$1(this._months),\n minutes,\n hours,\n years,\n s,\n total = this.asSeconds(),\n totalSign,\n ymSign,\n daysSign,\n hmsSign;\n\n if (!total) {\n // this is the same as C#'s (Noda) and python (isodate)...\n // but not other JS (goog.date)\n return 'P0D';\n }\n\n // 3600 seconds -> 60 minutes -> 1 hour\n minutes = absFloor(seconds / 60);\n hours = absFloor(minutes / 60);\n seconds %= 60;\n minutes %= 60;\n\n // 12 months -> 1 year\n years = absFloor(months / 12);\n months %= 12;\n\n // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n s = seconds ? seconds.toFixed(3).replace(/\\.?0+$/, '') : '';\n\n totalSign = total < 0 ? '-' : '';\n ymSign = sign(this._months) !== sign(total) ? '-' : '';\n daysSign = sign(this._days) !== sign(total) ? '-' : '';\n hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : '';\n\n return (\n totalSign +\n 'P' +\n (years ? ymSign + years + 'Y' : '') +\n (months ? ymSign + months + 'M' : '') +\n (days ? daysSign + days + 'D' : '') +\n (hours || minutes || seconds ? 'T' : '') +\n (hours ? hmsSign + hours + 'H' : '') +\n (minutes ? hmsSign + minutes + 'M' : '') +\n (seconds ? hmsSign + s + 'S' : '')\n );\n }\n\n var proto$2 = Duration.prototype;\n\n proto$2.isValid = isValid$1;\n proto$2.abs = abs;\n proto$2.add = add$1;\n proto$2.subtract = subtract$1;\n proto$2.as = as;\n proto$2.asMilliseconds = asMilliseconds;\n proto$2.asSeconds = asSeconds;\n proto$2.asMinutes = asMinutes;\n proto$2.asHours = asHours;\n proto$2.asDays = asDays;\n proto$2.asWeeks = asWeeks;\n proto$2.asMonths = asMonths;\n proto$2.asQuarters = asQuarters;\n proto$2.asYears = asYears;\n proto$2.valueOf = valueOf$1;\n proto$2._bubble = bubble;\n proto$2.clone = clone$1;\n proto$2.get = get$2;\n proto$2.milliseconds = milliseconds;\n proto$2.seconds = seconds;\n proto$2.minutes = minutes;\n proto$2.hours = hours;\n proto$2.days = days;\n proto$2.weeks = weeks;\n proto$2.months = months;\n proto$2.years = years;\n proto$2.humanize = humanize;\n proto$2.toISOString = toISOString$1;\n proto$2.toString = toISOString$1;\n proto$2.toJSON = toISOString$1;\n proto$2.locale = locale;\n proto$2.localeData = localeData;\n\n proto$2.toIsoString = deprecate(\n 'toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)',\n toISOString$1\n );\n proto$2.lang = lang;\n\n // FORMATTING\n\n addFormatToken('X', 0, 0, 'unix');\n addFormatToken('x', 0, 0, 'valueOf');\n\n // PARSING\n\n addRegexToken('x', matchSigned);\n addRegexToken('X', matchTimestamp);\n addParseToken('X', function (input, array, config) {\n config._d = new Date(parseFloat(input) * 1000);\n });\n addParseToken('x', function (input, array, config) {\n config._d = new Date(toInt(input));\n });\n\n //! moment.js\n\n hooks.version = '2.29.4';\n\n setHookCallback(createLocal);\n\n hooks.fn = proto;\n hooks.min = min;\n hooks.max = max;\n hooks.now = now;\n hooks.utc = createUTC;\n hooks.unix = createUnix;\n hooks.months = listMonths;\n hooks.isDate = isDate;\n hooks.locale = getSetGlobalLocale;\n hooks.invalid = createInvalid;\n hooks.duration = createDuration;\n hooks.isMoment = isMoment;\n hooks.weekdays = listWeekdays;\n hooks.parseZone = createInZone;\n hooks.localeData = getLocale;\n hooks.isDuration = isDuration;\n hooks.monthsShort = listMonthsShort;\n hooks.weekdaysMin = listWeekdaysMin;\n hooks.defineLocale = defineLocale;\n hooks.updateLocale = updateLocale;\n hooks.locales = listLocales;\n hooks.weekdaysShort = listWeekdaysShort;\n hooks.normalizeUnits = normalizeUnits;\n hooks.relativeTimeRounding = getSetRelativeTimeRounding;\n hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;\n hooks.calendarFormat = getCalendarFormat;\n hooks.prototype = proto;\n\n // currently HTML5 input type only supports 24-hour formats\n hooks.HTML5_FMT = {\n DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // \n DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // \n DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // \n DATE: 'YYYY-MM-DD', // \n TIME: 'HH:mm', // \n TIME_SECONDS: 'HH:mm:ss', // \n TIME_MS: 'HH:mm:ss.SSS', // \n WEEK: 'GGGG-[W]WW', // \n MONTH: 'YYYY-MM', // \n };\n\n return hooks;\n\n})));\n","/*!\n * Chart.js v2.9.4\n * https://www.chartjs.org\n * (c) 2020 Chart.js Contributors\n * Released under the MIT License\n */\n(function (global, factory) {\ntypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(function() { try { return require('moment'); } catch(e) { } }()) :\ntypeof define === 'function' && define.amd ? define(['require'], function(require) { return factory(function() { try { return require('moment'); } catch(e) { } }()); }) :\n(global = global || self, global.Chart = factory(global.moment));\n}(this, (function (moment) { 'use strict';\n\nmoment = moment && moment.hasOwnProperty('default') ? moment['default'] : moment;\n\nfunction createCommonjsModule(fn, module) {\n\treturn module = { exports: {} }, fn(module, module.exports), module.exports;\n}\n\nfunction getCjsExportFromNamespace (n) {\n\treturn n && n['default'] || n;\n}\n\nvar colorName = {\r\n\t\"aliceblue\": [240, 248, 255],\r\n\t\"antiquewhite\": [250, 235, 215],\r\n\t\"aqua\": [0, 255, 255],\r\n\t\"aquamarine\": [127, 255, 212],\r\n\t\"azure\": [240, 255, 255],\r\n\t\"beige\": [245, 245, 220],\r\n\t\"bisque\": [255, 228, 196],\r\n\t\"black\": [0, 0, 0],\r\n\t\"blanchedalmond\": [255, 235, 205],\r\n\t\"blue\": [0, 0, 255],\r\n\t\"blueviolet\": [138, 43, 226],\r\n\t\"brown\": [165, 42, 42],\r\n\t\"burlywood\": [222, 184, 135],\r\n\t\"cadetblue\": [95, 158, 160],\r\n\t\"chartreuse\": [127, 255, 0],\r\n\t\"chocolate\": [210, 105, 30],\r\n\t\"coral\": [255, 127, 80],\r\n\t\"cornflowerblue\": [100, 149, 237],\r\n\t\"cornsilk\": [255, 248, 220],\r\n\t\"crimson\": [220, 20, 60],\r\n\t\"cyan\": [0, 255, 255],\r\n\t\"darkblue\": [0, 0, 139],\r\n\t\"darkcyan\": [0, 139, 139],\r\n\t\"darkgoldenrod\": [184, 134, 11],\r\n\t\"darkgray\": [169, 169, 169],\r\n\t\"darkgreen\": [0, 100, 0],\r\n\t\"darkgrey\": [169, 169, 169],\r\n\t\"darkkhaki\": [189, 183, 107],\r\n\t\"darkmagenta\": [139, 0, 139],\r\n\t\"darkolivegreen\": [85, 107, 47],\r\n\t\"darkorange\": [255, 140, 0],\r\n\t\"darkorchid\": [153, 50, 204],\r\n\t\"darkred\": [139, 0, 0],\r\n\t\"darksalmon\": [233, 150, 122],\r\n\t\"darkseagreen\": [143, 188, 143],\r\n\t\"darkslateblue\": [72, 61, 139],\r\n\t\"darkslategray\": [47, 79, 79],\r\n\t\"darkslategrey\": [47, 79, 79],\r\n\t\"darkturquoise\": [0, 206, 209],\r\n\t\"darkviolet\": [148, 0, 211],\r\n\t\"deeppink\": [255, 20, 147],\r\n\t\"deepskyblue\": [0, 191, 255],\r\n\t\"dimgray\": [105, 105, 105],\r\n\t\"dimgrey\": [105, 105, 105],\r\n\t\"dodgerblue\": [30, 144, 255],\r\n\t\"firebrick\": [178, 34, 34],\r\n\t\"floralwhite\": [255, 250, 240],\r\n\t\"forestgreen\": [34, 139, 34],\r\n\t\"fuchsia\": [255, 0, 255],\r\n\t\"gainsboro\": [220, 220, 220],\r\n\t\"ghostwhite\": [248, 248, 255],\r\n\t\"gold\": [255, 215, 0],\r\n\t\"goldenrod\": [218, 165, 32],\r\n\t\"gray\": [128, 128, 128],\r\n\t\"green\": [0, 128, 0],\r\n\t\"greenyellow\": [173, 255, 47],\r\n\t\"grey\": [128, 128, 128],\r\n\t\"honeydew\": [240, 255, 240],\r\n\t\"hotpink\": [255, 105, 180],\r\n\t\"indianred\": [205, 92, 92],\r\n\t\"indigo\": [75, 0, 130],\r\n\t\"ivory\": [255, 255, 240],\r\n\t\"khaki\": [240, 230, 140],\r\n\t\"lavender\": [230, 230, 250],\r\n\t\"lavenderblush\": [255, 240, 245],\r\n\t\"lawngreen\": [124, 252, 0],\r\n\t\"lemonchiffon\": [255, 250, 205],\r\n\t\"lightblue\": [173, 216, 230],\r\n\t\"lightcoral\": [240, 128, 128],\r\n\t\"lightcyan\": [224, 255, 255],\r\n\t\"lightgoldenrodyellow\": [250, 250, 210],\r\n\t\"lightgray\": [211, 211, 211],\r\n\t\"lightgreen\": [144, 238, 144],\r\n\t\"lightgrey\": [211, 211, 211],\r\n\t\"lightpink\": [255, 182, 193],\r\n\t\"lightsalmon\": [255, 160, 122],\r\n\t\"lightseagreen\": [32, 178, 170],\r\n\t\"lightskyblue\": [135, 206, 250],\r\n\t\"lightslategray\": [119, 136, 153],\r\n\t\"lightslategrey\": [119, 136, 153],\r\n\t\"lightsteelblue\": [176, 196, 222],\r\n\t\"lightyellow\": [255, 255, 224],\r\n\t\"lime\": [0, 255, 0],\r\n\t\"limegreen\": [50, 205, 50],\r\n\t\"linen\": [250, 240, 230],\r\n\t\"magenta\": [255, 0, 255],\r\n\t\"maroon\": [128, 0, 0],\r\n\t\"mediumaquamarine\": [102, 205, 170],\r\n\t\"mediumblue\": [0, 0, 205],\r\n\t\"mediumorchid\": [186, 85, 211],\r\n\t\"mediumpurple\": [147, 112, 219],\r\n\t\"mediumseagreen\": [60, 179, 113],\r\n\t\"mediumslateblue\": [123, 104, 238],\r\n\t\"mediumspringgreen\": [0, 250, 154],\r\n\t\"mediumturquoise\": [72, 209, 204],\r\n\t\"mediumvioletred\": [199, 21, 133],\r\n\t\"midnightblue\": [25, 25, 112],\r\n\t\"mintcream\": [245, 255, 250],\r\n\t\"mistyrose\": [255, 228, 225],\r\n\t\"moccasin\": [255, 228, 181],\r\n\t\"navajowhite\": [255, 222, 173],\r\n\t\"navy\": [0, 0, 128],\r\n\t\"oldlace\": [253, 245, 230],\r\n\t\"olive\": [128, 128, 0],\r\n\t\"olivedrab\": [107, 142, 35],\r\n\t\"orange\": [255, 165, 0],\r\n\t\"orangered\": [255, 69, 0],\r\n\t\"orchid\": [218, 112, 214],\r\n\t\"palegoldenrod\": [238, 232, 170],\r\n\t\"palegreen\": [152, 251, 152],\r\n\t\"paleturquoise\": [175, 238, 238],\r\n\t\"palevioletred\": [219, 112, 147],\r\n\t\"papayawhip\": [255, 239, 213],\r\n\t\"peachpuff\": [255, 218, 185],\r\n\t\"peru\": [205, 133, 63],\r\n\t\"pink\": [255, 192, 203],\r\n\t\"plum\": [221, 160, 221],\r\n\t\"powderblue\": [176, 224, 230],\r\n\t\"purple\": [128, 0, 128],\r\n\t\"rebeccapurple\": [102, 51, 153],\r\n\t\"red\": [255, 0, 0],\r\n\t\"rosybrown\": [188, 143, 143],\r\n\t\"royalblue\": [65, 105, 225],\r\n\t\"saddlebrown\": [139, 69, 19],\r\n\t\"salmon\": [250, 128, 114],\r\n\t\"sandybrown\": [244, 164, 96],\r\n\t\"seagreen\": [46, 139, 87],\r\n\t\"seashell\": [255, 245, 238],\r\n\t\"sienna\": [160, 82, 45],\r\n\t\"silver\": [192, 192, 192],\r\n\t\"skyblue\": [135, 206, 235],\r\n\t\"slateblue\": [106, 90, 205],\r\n\t\"slategray\": [112, 128, 144],\r\n\t\"slategrey\": [112, 128, 144],\r\n\t\"snow\": [255, 250, 250],\r\n\t\"springgreen\": [0, 255, 127],\r\n\t\"steelblue\": [70, 130, 180],\r\n\t\"tan\": [210, 180, 140],\r\n\t\"teal\": [0, 128, 128],\r\n\t\"thistle\": [216, 191, 216],\r\n\t\"tomato\": [255, 99, 71],\r\n\t\"turquoise\": [64, 224, 208],\r\n\t\"violet\": [238, 130, 238],\r\n\t\"wheat\": [245, 222, 179],\r\n\t\"white\": [255, 255, 255],\r\n\t\"whitesmoke\": [245, 245, 245],\r\n\t\"yellow\": [255, 255, 0],\r\n\t\"yellowgreen\": [154, 205, 50]\r\n};\n\nvar conversions = createCommonjsModule(function (module) {\n/* MIT license */\n\n\n// NOTE: conversions should only return primitive values (i.e. arrays, or\n// values that give correct `typeof` results).\n// do not use box values types (i.e. Number(), String(), etc.)\n\nvar reverseKeywords = {};\nfor (var key in colorName) {\n\tif (colorName.hasOwnProperty(key)) {\n\t\treverseKeywords[colorName[key]] = key;\n\t}\n}\n\nvar convert = module.exports = {\n\trgb: {channels: 3, labels: 'rgb'},\n\thsl: {channels: 3, labels: 'hsl'},\n\thsv: {channels: 3, labels: 'hsv'},\n\thwb: {channels: 3, labels: 'hwb'},\n\tcmyk: {channels: 4, labels: 'cmyk'},\n\txyz: {channels: 3, labels: 'xyz'},\n\tlab: {channels: 3, labels: 'lab'},\n\tlch: {channels: 3, labels: 'lch'},\n\thex: {channels: 1, labels: ['hex']},\n\tkeyword: {channels: 1, labels: ['keyword']},\n\tansi16: {channels: 1, labels: ['ansi16']},\n\tansi256: {channels: 1, labels: ['ansi256']},\n\thcg: {channels: 3, labels: ['h', 'c', 'g']},\n\tapple: {channels: 3, labels: ['r16', 'g16', 'b16']},\n\tgray: {channels: 1, labels: ['gray']}\n};\n\n// hide .channels and .labels properties\nfor (var model in convert) {\n\tif (convert.hasOwnProperty(model)) {\n\t\tif (!('channels' in convert[model])) {\n\t\t\tthrow new Error('missing channels property: ' + model);\n\t\t}\n\n\t\tif (!('labels' in convert[model])) {\n\t\t\tthrow new Error('missing channel labels property: ' + model);\n\t\t}\n\n\t\tif (convert[model].labels.length !== convert[model].channels) {\n\t\t\tthrow new Error('channel and label counts mismatch: ' + model);\n\t\t}\n\n\t\tvar channels = convert[model].channels;\n\t\tvar labels = convert[model].labels;\n\t\tdelete convert[model].channels;\n\t\tdelete convert[model].labels;\n\t\tObject.defineProperty(convert[model], 'channels', {value: channels});\n\t\tObject.defineProperty(convert[model], 'labels', {value: labels});\n\t}\n}\n\nconvert.rgb.hsl = function (rgb) {\n\tvar r = rgb[0] / 255;\n\tvar g = rgb[1] / 255;\n\tvar b = rgb[2] / 255;\n\tvar min = Math.min(r, g, b);\n\tvar max = Math.max(r, g, b);\n\tvar delta = max - min;\n\tvar h;\n\tvar s;\n\tvar l;\n\n\tif (max === min) {\n\t\th = 0;\n\t} else if (r === max) {\n\t\th = (g - b) / delta;\n\t} else if (g === max) {\n\t\th = 2 + (b - r) / delta;\n\t} else if (b === max) {\n\t\th = 4 + (r - g) / delta;\n\t}\n\n\th = Math.min(h * 60, 360);\n\n\tif (h < 0) {\n\t\th += 360;\n\t}\n\n\tl = (min + max) / 2;\n\n\tif (max === min) {\n\t\ts = 0;\n\t} else if (l <= 0.5) {\n\t\ts = delta / (max + min);\n\t} else {\n\t\ts = delta / (2 - max - min);\n\t}\n\n\treturn [h, s * 100, l * 100];\n};\n\nconvert.rgb.hsv = function (rgb) {\n\tvar rdif;\n\tvar gdif;\n\tvar bdif;\n\tvar h;\n\tvar s;\n\n\tvar r = rgb[0] / 255;\n\tvar g = rgb[1] / 255;\n\tvar b = rgb[2] / 255;\n\tvar v = Math.max(r, g, b);\n\tvar diff = v - Math.min(r, g, b);\n\tvar diffc = function (c) {\n\t\treturn (v - c) / 6 / diff + 1 / 2;\n\t};\n\n\tif (diff === 0) {\n\t\th = s = 0;\n\t} else {\n\t\ts = diff / v;\n\t\trdif = diffc(r);\n\t\tgdif = diffc(g);\n\t\tbdif = diffc(b);\n\n\t\tif (r === v) {\n\t\t\th = bdif - gdif;\n\t\t} else if (g === v) {\n\t\t\th = (1 / 3) + rdif - bdif;\n\t\t} else if (b === v) {\n\t\t\th = (2 / 3) + gdif - rdif;\n\t\t}\n\t\tif (h < 0) {\n\t\t\th += 1;\n\t\t} else if (h > 1) {\n\t\t\th -= 1;\n\t\t}\n\t}\n\n\treturn [\n\t\th * 360,\n\t\ts * 100,\n\t\tv * 100\n\t];\n};\n\nconvert.rgb.hwb = function (rgb) {\n\tvar r = rgb[0];\n\tvar g = rgb[1];\n\tvar b = rgb[2];\n\tvar h = convert.rgb.hsl(rgb)[0];\n\tvar w = 1 / 255 * Math.min(r, Math.min(g, b));\n\n\tb = 1 - 1 / 255 * Math.max(r, Math.max(g, b));\n\n\treturn [h, w * 100, b * 100];\n};\n\nconvert.rgb.cmyk = function (rgb) {\n\tvar r = rgb[0] / 255;\n\tvar g = rgb[1] / 255;\n\tvar b = rgb[2] / 255;\n\tvar c;\n\tvar m;\n\tvar y;\n\tvar k;\n\n\tk = Math.min(1 - r, 1 - g, 1 - b);\n\tc = (1 - r - k) / (1 - k) || 0;\n\tm = (1 - g - k) / (1 - k) || 0;\n\ty = (1 - b - k) / (1 - k) || 0;\n\n\treturn [c * 100, m * 100, y * 100, k * 100];\n};\n\n/**\n * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance\n * */\nfunction comparativeDistance(x, y) {\n\treturn (\n\t\tMath.pow(x[0] - y[0], 2) +\n\t\tMath.pow(x[1] - y[1], 2) +\n\t\tMath.pow(x[2] - y[2], 2)\n\t);\n}\n\nconvert.rgb.keyword = function (rgb) {\n\tvar reversed = reverseKeywords[rgb];\n\tif (reversed) {\n\t\treturn reversed;\n\t}\n\n\tvar currentClosestDistance = Infinity;\n\tvar currentClosestKeyword;\n\n\tfor (var keyword in colorName) {\n\t\tif (colorName.hasOwnProperty(keyword)) {\n\t\t\tvar value = colorName[keyword];\n\n\t\t\t// Compute comparative distance\n\t\t\tvar distance = comparativeDistance(rgb, value);\n\n\t\t\t// Check if its less, if so set as closest\n\t\t\tif (distance < currentClosestDistance) {\n\t\t\t\tcurrentClosestDistance = distance;\n\t\t\t\tcurrentClosestKeyword = keyword;\n\t\t\t}\n\t\t}\n\t}\n\n\treturn currentClosestKeyword;\n};\n\nconvert.keyword.rgb = function (keyword) {\n\treturn colorName[keyword];\n};\n\nconvert.rgb.xyz = function (rgb) {\n\tvar r = rgb[0] / 255;\n\tvar g = rgb[1] / 255;\n\tvar b = rgb[2] / 255;\n\n\t// assume sRGB\n\tr = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);\n\tg = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);\n\tb = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);\n\n\tvar x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);\n\tvar y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);\n\tvar z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);\n\n\treturn [x * 100, y * 100, z * 100];\n};\n\nconvert.rgb.lab = function (rgb) {\n\tvar xyz = convert.rgb.xyz(rgb);\n\tvar x = xyz[0];\n\tvar y = xyz[1];\n\tvar z = xyz[2];\n\tvar l;\n\tvar a;\n\tvar b;\n\n\tx /= 95.047;\n\ty /= 100;\n\tz /= 108.883;\n\n\tx = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);\n\ty = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);\n\tz = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);\n\n\tl = (116 * y) - 16;\n\ta = 500 * (x - y);\n\tb = 200 * (y - z);\n\n\treturn [l, a, b];\n};\n\nconvert.hsl.rgb = function (hsl) {\n\tvar h = hsl[0] / 360;\n\tvar s = hsl[1] / 100;\n\tvar l = hsl[2] / 100;\n\tvar t1;\n\tvar t2;\n\tvar t3;\n\tvar rgb;\n\tvar val;\n\n\tif (s === 0) {\n\t\tval = l * 255;\n\t\treturn [val, val, val];\n\t}\n\n\tif (l < 0.5) {\n\t\tt2 = l * (1 + s);\n\t} else {\n\t\tt2 = l + s - l * s;\n\t}\n\n\tt1 = 2 * l - t2;\n\n\trgb = [0, 0, 0];\n\tfor (var i = 0; i < 3; i++) {\n\t\tt3 = h + 1 / 3 * -(i - 1);\n\t\tif (t3 < 0) {\n\t\t\tt3++;\n\t\t}\n\t\tif (t3 > 1) {\n\t\t\tt3--;\n\t\t}\n\n\t\tif (6 * t3 < 1) {\n\t\t\tval = t1 + (t2 - t1) * 6 * t3;\n\t\t} else if (2 * t3 < 1) {\n\t\t\tval = t2;\n\t\t} else if (3 * t3 < 2) {\n\t\t\tval = t1 + (t2 - t1) * (2 / 3 - t3) * 6;\n\t\t} else {\n\t\t\tval = t1;\n\t\t}\n\n\t\trgb[i] = val * 255;\n\t}\n\n\treturn rgb;\n};\n\nconvert.hsl.hsv = function (hsl) {\n\tvar h = hsl[0];\n\tvar s = hsl[1] / 100;\n\tvar l = hsl[2] / 100;\n\tvar smin = s;\n\tvar lmin = Math.max(l, 0.01);\n\tvar sv;\n\tvar v;\n\n\tl *= 2;\n\ts *= (l <= 1) ? l : 2 - l;\n\tsmin *= lmin <= 1 ? lmin : 2 - lmin;\n\tv = (l + s) / 2;\n\tsv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s);\n\n\treturn [h, sv * 100, v * 100];\n};\n\nconvert.hsv.rgb = function (hsv) {\n\tvar h = hsv[0] / 60;\n\tvar s = hsv[1] / 100;\n\tvar v = hsv[2] / 100;\n\tvar hi = Math.floor(h) % 6;\n\n\tvar f = h - Math.floor(h);\n\tvar p = 255 * v * (1 - s);\n\tvar q = 255 * v * (1 - (s * f));\n\tvar t = 255 * v * (1 - (s * (1 - f)));\n\tv *= 255;\n\n\tswitch (hi) {\n\t\tcase 0:\n\t\t\treturn [v, t, p];\n\t\tcase 1:\n\t\t\treturn [q, v, p];\n\t\tcase 2:\n\t\t\treturn [p, v, t];\n\t\tcase 3:\n\t\t\treturn [p, q, v];\n\t\tcase 4:\n\t\t\treturn [t, p, v];\n\t\tcase 5:\n\t\t\treturn [v, p, q];\n\t}\n};\n\nconvert.hsv.hsl = function (hsv) {\n\tvar h = hsv[0];\n\tvar s = hsv[1] / 100;\n\tvar v = hsv[2] / 100;\n\tvar vmin = Math.max(v, 0.01);\n\tvar lmin;\n\tvar sl;\n\tvar l;\n\n\tl = (2 - s) * v;\n\tlmin = (2 - s) * vmin;\n\tsl = s * vmin;\n\tsl /= (lmin <= 1) ? lmin : 2 - lmin;\n\tsl = sl || 0;\n\tl /= 2;\n\n\treturn [h, sl * 100, l * 100];\n};\n\n// http://dev.w3.org/csswg/css-color/#hwb-to-rgb\nconvert.hwb.rgb = function (hwb) {\n\tvar h = hwb[0] / 360;\n\tvar wh = hwb[1] / 100;\n\tvar bl = hwb[2] / 100;\n\tvar ratio = wh + bl;\n\tvar i;\n\tvar v;\n\tvar f;\n\tvar n;\n\n\t// wh + bl cant be > 1\n\tif (ratio > 1) {\n\t\twh /= ratio;\n\t\tbl /= ratio;\n\t}\n\n\ti = Math.floor(6 * h);\n\tv = 1 - bl;\n\tf = 6 * h - i;\n\n\tif ((i & 0x01) !== 0) {\n\t\tf = 1 - f;\n\t}\n\n\tn = wh + f * (v - wh); // linear interpolation\n\n\tvar r;\n\tvar g;\n\tvar b;\n\tswitch (i) {\n\t\tdefault:\n\t\tcase 6:\n\t\tcase 0: r = v; g = n; b = wh; break;\n\t\tcase 1: r = n; g = v; b = wh; break;\n\t\tcase 2: r = wh; g = v; b = n; break;\n\t\tcase 3: r = wh; g = n; b = v; break;\n\t\tcase 4: r = n; g = wh; b = v; break;\n\t\tcase 5: r = v; g = wh; b = n; break;\n\t}\n\n\treturn [r * 255, g * 255, b * 255];\n};\n\nconvert.cmyk.rgb = function (cmyk) {\n\tvar c = cmyk[0] / 100;\n\tvar m = cmyk[1] / 100;\n\tvar y = cmyk[2] / 100;\n\tvar k = cmyk[3] / 100;\n\tvar r;\n\tvar g;\n\tvar b;\n\n\tr = 1 - Math.min(1, c * (1 - k) + k);\n\tg = 1 - Math.min(1, m * (1 - k) + k);\n\tb = 1 - Math.min(1, y * (1 - k) + k);\n\n\treturn [r * 255, g * 255, b * 255];\n};\n\nconvert.xyz.rgb = function (xyz) {\n\tvar x = xyz[0] / 100;\n\tvar y = xyz[1] / 100;\n\tvar z = xyz[2] / 100;\n\tvar r;\n\tvar g;\n\tvar b;\n\n\tr = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);\n\tg = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);\n\tb = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);\n\n\t// assume sRGB\n\tr = r > 0.0031308\n\t\t? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)\n\t\t: r * 12.92;\n\n\tg = g > 0.0031308\n\t\t? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)\n\t\t: g * 12.92;\n\n\tb = b > 0.0031308\n\t\t? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)\n\t\t: b * 12.92;\n\n\tr = Math.min(Math.max(0, r), 1);\n\tg = Math.min(Math.max(0, g), 1);\n\tb = Math.min(Math.max(0, b), 1);\n\n\treturn [r * 255, g * 255, b * 255];\n};\n\nconvert.xyz.lab = function (xyz) {\n\tvar x = xyz[0];\n\tvar y = xyz[1];\n\tvar z = xyz[2];\n\tvar l;\n\tvar a;\n\tvar b;\n\n\tx /= 95.047;\n\ty /= 100;\n\tz /= 108.883;\n\n\tx = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);\n\ty = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);\n\tz = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);\n\n\tl = (116 * y) - 16;\n\ta = 500 * (x - y);\n\tb = 200 * (y - z);\n\n\treturn [l, a, b];\n};\n\nconvert.lab.xyz = function (lab) {\n\tvar l = lab[0];\n\tvar a = lab[1];\n\tvar b = lab[2];\n\tvar x;\n\tvar y;\n\tvar z;\n\n\ty = (l + 16) / 116;\n\tx = a / 500 + y;\n\tz = y - b / 200;\n\n\tvar y2 = Math.pow(y, 3);\n\tvar x2 = Math.pow(x, 3);\n\tvar z2 = Math.pow(z, 3);\n\ty = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787;\n\tx = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787;\n\tz = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787;\n\n\tx *= 95.047;\n\ty *= 100;\n\tz *= 108.883;\n\n\treturn [x, y, z];\n};\n\nconvert.lab.lch = function (lab) {\n\tvar l = lab[0];\n\tvar a = lab[1];\n\tvar b = lab[2];\n\tvar hr;\n\tvar h;\n\tvar c;\n\n\thr = Math.atan2(b, a);\n\th = hr * 360 / 2 / Math.PI;\n\n\tif (h < 0) {\n\t\th += 360;\n\t}\n\n\tc = Math.sqrt(a * a + b * b);\n\n\treturn [l, c, h];\n};\n\nconvert.lch.lab = function (lch) {\n\tvar l = lch[0];\n\tvar c = lch[1];\n\tvar h = lch[2];\n\tvar a;\n\tvar b;\n\tvar hr;\n\n\thr = h / 360 * 2 * Math.PI;\n\ta = c * Math.cos(hr);\n\tb = c * Math.sin(hr);\n\n\treturn [l, a, b];\n};\n\nconvert.rgb.ansi16 = function (args) {\n\tvar r = args[0];\n\tvar g = args[1];\n\tvar b = args[2];\n\tvar value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization\n\n\tvalue = Math.round(value / 50);\n\n\tif (value === 0) {\n\t\treturn 30;\n\t}\n\n\tvar ansi = 30\n\t\t+ ((Math.round(b / 255) << 2)\n\t\t| (Math.round(g / 255) << 1)\n\t\t| Math.round(r / 255));\n\n\tif (value === 2) {\n\t\tansi += 60;\n\t}\n\n\treturn ansi;\n};\n\nconvert.hsv.ansi16 = function (args) {\n\t// optimization here; we already know the value and don't need to get\n\t// it converted for us.\n\treturn convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);\n};\n\nconvert.rgb.ansi256 = function (args) {\n\tvar r = args[0];\n\tvar g = args[1];\n\tvar b = args[2];\n\n\t// we use the extended greyscale palette here, with the exception of\n\t// black and white. normal palette only has 4 greyscale shades.\n\tif (r === g && g === b) {\n\t\tif (r < 8) {\n\t\t\treturn 16;\n\t\t}\n\n\t\tif (r > 248) {\n\t\t\treturn 231;\n\t\t}\n\n\t\treturn Math.round(((r - 8) / 247) * 24) + 232;\n\t}\n\n\tvar ansi = 16\n\t\t+ (36 * Math.round(r / 255 * 5))\n\t\t+ (6 * Math.round(g / 255 * 5))\n\t\t+ Math.round(b / 255 * 5);\n\n\treturn ansi;\n};\n\nconvert.ansi16.rgb = function (args) {\n\tvar color = args % 10;\n\n\t// handle greyscale\n\tif (color === 0 || color === 7) {\n\t\tif (args > 50) {\n\t\t\tcolor += 3.5;\n\t\t}\n\n\t\tcolor = color / 10.5 * 255;\n\n\t\treturn [color, color, color];\n\t}\n\n\tvar mult = (~~(args > 50) + 1) * 0.5;\n\tvar r = ((color & 1) * mult) * 255;\n\tvar g = (((color >> 1) & 1) * mult) * 255;\n\tvar b = (((color >> 2) & 1) * mult) * 255;\n\n\treturn [r, g, b];\n};\n\nconvert.ansi256.rgb = function (args) {\n\t// handle greyscale\n\tif (args >= 232) {\n\t\tvar c = (args - 232) * 10 + 8;\n\t\treturn [c, c, c];\n\t}\n\n\targs -= 16;\n\n\tvar rem;\n\tvar r = Math.floor(args / 36) / 5 * 255;\n\tvar g = Math.floor((rem = args % 36) / 6) / 5 * 255;\n\tvar b = (rem % 6) / 5 * 255;\n\n\treturn [r, g, b];\n};\n\nconvert.rgb.hex = function (args) {\n\tvar integer = ((Math.round(args[0]) & 0xFF) << 16)\n\t\t+ ((Math.round(args[1]) & 0xFF) << 8)\n\t\t+ (Math.round(args[2]) & 0xFF);\n\n\tvar string = integer.toString(16).toUpperCase();\n\treturn '000000'.substring(string.length) + string;\n};\n\nconvert.hex.rgb = function (args) {\n\tvar match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);\n\tif (!match) {\n\t\treturn [0, 0, 0];\n\t}\n\n\tvar colorString = match[0];\n\n\tif (match[0].length === 3) {\n\t\tcolorString = colorString.split('').map(function (char) {\n\t\t\treturn char + char;\n\t\t}).join('');\n\t}\n\n\tvar integer = parseInt(colorString, 16);\n\tvar r = (integer >> 16) & 0xFF;\n\tvar g = (integer >> 8) & 0xFF;\n\tvar b = integer & 0xFF;\n\n\treturn [r, g, b];\n};\n\nconvert.rgb.hcg = function (rgb) {\n\tvar r = rgb[0] / 255;\n\tvar g = rgb[1] / 255;\n\tvar b = rgb[2] / 255;\n\tvar max = Math.max(Math.max(r, g), b);\n\tvar min = Math.min(Math.min(r, g), b);\n\tvar chroma = (max - min);\n\tvar grayscale;\n\tvar hue;\n\n\tif (chroma < 1) {\n\t\tgrayscale = min / (1 - chroma);\n\t} else {\n\t\tgrayscale = 0;\n\t}\n\n\tif (chroma <= 0) {\n\t\thue = 0;\n\t} else\n\tif (max === r) {\n\t\thue = ((g - b) / chroma) % 6;\n\t} else\n\tif (max === g) {\n\t\thue = 2 + (b - r) / chroma;\n\t} else {\n\t\thue = 4 + (r - g) / chroma + 4;\n\t}\n\n\thue /= 6;\n\thue %= 1;\n\n\treturn [hue * 360, chroma * 100, grayscale * 100];\n};\n\nconvert.hsl.hcg = function (hsl) {\n\tvar s = hsl[1] / 100;\n\tvar l = hsl[2] / 100;\n\tvar c = 1;\n\tvar f = 0;\n\n\tif (l < 0.5) {\n\t\tc = 2.0 * s * l;\n\t} else {\n\t\tc = 2.0 * s * (1.0 - l);\n\t}\n\n\tif (c < 1.0) {\n\t\tf = (l - 0.5 * c) / (1.0 - c);\n\t}\n\n\treturn [hsl[0], c * 100, f * 100];\n};\n\nconvert.hsv.hcg = function (hsv) {\n\tvar s = hsv[1] / 100;\n\tvar v = hsv[2] / 100;\n\n\tvar c = s * v;\n\tvar f = 0;\n\n\tif (c < 1.0) {\n\t\tf = (v - c) / (1 - c);\n\t}\n\n\treturn [hsv[0], c * 100, f * 100];\n};\n\nconvert.hcg.rgb = function (hcg) {\n\tvar h = hcg[0] / 360;\n\tvar c = hcg[1] / 100;\n\tvar g = hcg[2] / 100;\n\n\tif (c === 0.0) {\n\t\treturn [g * 255, g * 255, g * 255];\n\t}\n\n\tvar pure = [0, 0, 0];\n\tvar hi = (h % 1) * 6;\n\tvar v = hi % 1;\n\tvar w = 1 - v;\n\tvar mg = 0;\n\n\tswitch (Math.floor(hi)) {\n\t\tcase 0:\n\t\t\tpure[0] = 1; pure[1] = v; pure[2] = 0; break;\n\t\tcase 1:\n\t\t\tpure[0] = w; pure[1] = 1; pure[2] = 0; break;\n\t\tcase 2:\n\t\t\tpure[0] = 0; pure[1] = 1; pure[2] = v; break;\n\t\tcase 3:\n\t\t\tpure[0] = 0; pure[1] = w; pure[2] = 1; break;\n\t\tcase 4:\n\t\t\tpure[0] = v; pure[1] = 0; pure[2] = 1; break;\n\t\tdefault:\n\t\t\tpure[0] = 1; pure[1] = 0; pure[2] = w;\n\t}\n\n\tmg = (1.0 - c) * g;\n\n\treturn [\n\t\t(c * pure[0] + mg) * 255,\n\t\t(c * pure[1] + mg) * 255,\n\t\t(c * pure[2] + mg) * 255\n\t];\n};\n\nconvert.hcg.hsv = function (hcg) {\n\tvar c = hcg[1] / 100;\n\tvar g = hcg[2] / 100;\n\n\tvar v = c + g * (1.0 - c);\n\tvar f = 0;\n\n\tif (v > 0.0) {\n\t\tf = c / v;\n\t}\n\n\treturn [hcg[0], f * 100, v * 100];\n};\n\nconvert.hcg.hsl = function (hcg) {\n\tvar c = hcg[1] / 100;\n\tvar g = hcg[2] / 100;\n\n\tvar l = g * (1.0 - c) + 0.5 * c;\n\tvar s = 0;\n\n\tif (l > 0.0 && l < 0.5) {\n\t\ts = c / (2 * l);\n\t} else\n\tif (l >= 0.5 && l < 1.0) {\n\t\ts = c / (2 * (1 - l));\n\t}\n\n\treturn [hcg[0], s * 100, l * 100];\n};\n\nconvert.hcg.hwb = function (hcg) {\n\tvar c = hcg[1] / 100;\n\tvar g = hcg[2] / 100;\n\tvar v = c + g * (1.0 - c);\n\treturn [hcg[0], (v - c) * 100, (1 - v) * 100];\n};\n\nconvert.hwb.hcg = function (hwb) {\n\tvar w = hwb[1] / 100;\n\tvar b = hwb[2] / 100;\n\tvar v = 1 - b;\n\tvar c = v - w;\n\tvar g = 0;\n\n\tif (c < 1) {\n\t\tg = (v - c) / (1 - c);\n\t}\n\n\treturn [hwb[0], c * 100, g * 100];\n};\n\nconvert.apple.rgb = function (apple) {\n\treturn [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255];\n};\n\nconvert.rgb.apple = function (rgb) {\n\treturn [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535];\n};\n\nconvert.gray.rgb = function (args) {\n\treturn [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];\n};\n\nconvert.gray.hsl = convert.gray.hsv = function (args) {\n\treturn [0, 0, args[0]];\n};\n\nconvert.gray.hwb = function (gray) {\n\treturn [0, 100, gray[0]];\n};\n\nconvert.gray.cmyk = function (gray) {\n\treturn [0, 0, 0, gray[0]];\n};\n\nconvert.gray.lab = function (gray) {\n\treturn [gray[0], 0, 0];\n};\n\nconvert.gray.hex = function (gray) {\n\tvar val = Math.round(gray[0] / 100 * 255) & 0xFF;\n\tvar integer = (val << 16) + (val << 8) + val;\n\n\tvar string = integer.toString(16).toUpperCase();\n\treturn '000000'.substring(string.length) + string;\n};\n\nconvert.rgb.gray = function (rgb) {\n\tvar val = (rgb[0] + rgb[1] + rgb[2]) / 3;\n\treturn [val / 255 * 100];\n};\n});\nvar conversions_1 = conversions.rgb;\nvar conversions_2 = conversions.hsl;\nvar conversions_3 = conversions.hsv;\nvar conversions_4 = conversions.hwb;\nvar conversions_5 = conversions.cmyk;\nvar conversions_6 = conversions.xyz;\nvar conversions_7 = conversions.lab;\nvar conversions_8 = conversions.lch;\nvar conversions_9 = conversions.hex;\nvar conversions_10 = conversions.keyword;\nvar conversions_11 = conversions.ansi16;\nvar conversions_12 = conversions.ansi256;\nvar conversions_13 = conversions.hcg;\nvar conversions_14 = conversions.apple;\nvar conversions_15 = conversions.gray;\n\n/*\n\tthis function routes a model to all other models.\n\n\tall functions that are routed have a property `.conversion` attached\n\tto the returned synthetic function. This property is an array\n\tof strings, each with the steps in between the 'from' and 'to'\n\tcolor models (inclusive).\n\n\tconversions that are not possible simply are not included.\n*/\n\nfunction buildGraph() {\n\tvar graph = {};\n\t// https://jsperf.com/object-keys-vs-for-in-with-closure/3\n\tvar models = Object.keys(conversions);\n\n\tfor (var len = models.length, i = 0; i < len; i++) {\n\t\tgraph[models[i]] = {\n\t\t\t// http://jsperf.com/1-vs-infinity\n\t\t\t// micro-opt, but this is simple.\n\t\t\tdistance: -1,\n\t\t\tparent: null\n\t\t};\n\t}\n\n\treturn graph;\n}\n\n// https://en.wikipedia.org/wiki/Breadth-first_search\nfunction deriveBFS(fromModel) {\n\tvar graph = buildGraph();\n\tvar queue = [fromModel]; // unshift -> queue -> pop\n\n\tgraph[fromModel].distance = 0;\n\n\twhile (queue.length) {\n\t\tvar current = queue.pop();\n\t\tvar adjacents = Object.keys(conversions[current]);\n\n\t\tfor (var len = adjacents.length, i = 0; i < len; i++) {\n\t\t\tvar adjacent = adjacents[i];\n\t\t\tvar node = graph[adjacent];\n\n\t\t\tif (node.distance === -1) {\n\t\t\t\tnode.distance = graph[current].distance + 1;\n\t\t\t\tnode.parent = current;\n\t\t\t\tqueue.unshift(adjacent);\n\t\t\t}\n\t\t}\n\t}\n\n\treturn graph;\n}\n\nfunction link(from, to) {\n\treturn function (args) {\n\t\treturn to(from(args));\n\t};\n}\n\nfunction wrapConversion(toModel, graph) {\n\tvar path = [graph[toModel].parent, toModel];\n\tvar fn = conversions[graph[toModel].parent][toModel];\n\n\tvar cur = graph[toModel].parent;\n\twhile (graph[cur].parent) {\n\t\tpath.unshift(graph[cur].parent);\n\t\tfn = link(conversions[graph[cur].parent][cur], fn);\n\t\tcur = graph[cur].parent;\n\t}\n\n\tfn.conversion = path;\n\treturn fn;\n}\n\nvar route = function (fromModel) {\n\tvar graph = deriveBFS(fromModel);\n\tvar conversion = {};\n\n\tvar models = Object.keys(graph);\n\tfor (var len = models.length, i = 0; i < len; i++) {\n\t\tvar toModel = models[i];\n\t\tvar node = graph[toModel];\n\n\t\tif (node.parent === null) {\n\t\t\t// no possible conversion, or this node is the source model.\n\t\t\tcontinue;\n\t\t}\n\n\t\tconversion[toModel] = wrapConversion(toModel, graph);\n\t}\n\n\treturn conversion;\n};\n\nvar convert = {};\n\nvar models = Object.keys(conversions);\n\nfunction wrapRaw(fn) {\n\tvar wrappedFn = function (args) {\n\t\tif (args === undefined || args === null) {\n\t\t\treturn args;\n\t\t}\n\n\t\tif (arguments.length > 1) {\n\t\t\targs = Array.prototype.slice.call(arguments);\n\t\t}\n\n\t\treturn fn(args);\n\t};\n\n\t// preserve .conversion property if there is one\n\tif ('conversion' in fn) {\n\t\twrappedFn.conversion = fn.conversion;\n\t}\n\n\treturn wrappedFn;\n}\n\nfunction wrapRounded(fn) {\n\tvar wrappedFn = function (args) {\n\t\tif (args === undefined || args === null) {\n\t\t\treturn args;\n\t\t}\n\n\t\tif (arguments.length > 1) {\n\t\t\targs = Array.prototype.slice.call(arguments);\n\t\t}\n\n\t\tvar result = fn(args);\n\n\t\t// we're assuming the result is an array here.\n\t\t// see notice in conversions.js; don't use box types\n\t\t// in conversion functions.\n\t\tif (typeof result === 'object') {\n\t\t\tfor (var len = result.length, i = 0; i < len; i++) {\n\t\t\t\tresult[i] = Math.round(result[i]);\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t};\n\n\t// preserve .conversion property if there is one\n\tif ('conversion' in fn) {\n\t\twrappedFn.conversion = fn.conversion;\n\t}\n\n\treturn wrappedFn;\n}\n\nmodels.forEach(function (fromModel) {\n\tconvert[fromModel] = {};\n\n\tObject.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});\n\tObject.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});\n\n\tvar routes = route(fromModel);\n\tvar routeModels = Object.keys(routes);\n\n\trouteModels.forEach(function (toModel) {\n\t\tvar fn = routes[toModel];\n\n\t\tconvert[fromModel][toModel] = wrapRounded(fn);\n\t\tconvert[fromModel][toModel].raw = wrapRaw(fn);\n\t});\n});\n\nvar colorConvert = convert;\n\nvar colorName$1 = {\r\n\t\"aliceblue\": [240, 248, 255],\r\n\t\"antiquewhite\": [250, 235, 215],\r\n\t\"aqua\": [0, 255, 255],\r\n\t\"aquamarine\": [127, 255, 212],\r\n\t\"azure\": [240, 255, 255],\r\n\t\"beige\": [245, 245, 220],\r\n\t\"bisque\": [255, 228, 196],\r\n\t\"black\": [0, 0, 0],\r\n\t\"blanchedalmond\": [255, 235, 205],\r\n\t\"blue\": [0, 0, 255],\r\n\t\"blueviolet\": [138, 43, 226],\r\n\t\"brown\": [165, 42, 42],\r\n\t\"burlywood\": [222, 184, 135],\r\n\t\"cadetblue\": [95, 158, 160],\r\n\t\"chartreuse\": [127, 255, 0],\r\n\t\"chocolate\": [210, 105, 30],\r\n\t\"coral\": [255, 127, 80],\r\n\t\"cornflowerblue\": [100, 149, 237],\r\n\t\"cornsilk\": [255, 248, 220],\r\n\t\"crimson\": [220, 20, 60],\r\n\t\"cyan\": [0, 255, 255],\r\n\t\"darkblue\": [0, 0, 139],\r\n\t\"darkcyan\": [0, 139, 139],\r\n\t\"darkgoldenrod\": [184, 134, 11],\r\n\t\"darkgray\": [169, 169, 169],\r\n\t\"darkgreen\": [0, 100, 0],\r\n\t\"darkgrey\": [169, 169, 169],\r\n\t\"darkkhaki\": [189, 183, 107],\r\n\t\"darkmagenta\": [139, 0, 139],\r\n\t\"darkolivegreen\": [85, 107, 47],\r\n\t\"darkorange\": [255, 140, 0],\r\n\t\"darkorchid\": [153, 50, 204],\r\n\t\"darkred\": [139, 0, 0],\r\n\t\"darksalmon\": [233, 150, 122],\r\n\t\"darkseagreen\": [143, 188, 143],\r\n\t\"darkslateblue\": [72, 61, 139],\r\n\t\"darkslategray\": [47, 79, 79],\r\n\t\"darkslategrey\": [47, 79, 79],\r\n\t\"darkturquoise\": [0, 206, 209],\r\n\t\"darkviolet\": [148, 0, 211],\r\n\t\"deeppink\": [255, 20, 147],\r\n\t\"deepskyblue\": [0, 191, 255],\r\n\t\"dimgray\": [105, 105, 105],\r\n\t\"dimgrey\": [105, 105, 105],\r\n\t\"dodgerblue\": [30, 144, 255],\r\n\t\"firebrick\": [178, 34, 34],\r\n\t\"floralwhite\": [255, 250, 240],\r\n\t\"forestgreen\": [34, 139, 34],\r\n\t\"fuchsia\": [255, 0, 255],\r\n\t\"gainsboro\": [220, 220, 220],\r\n\t\"ghostwhite\": [248, 248, 255],\r\n\t\"gold\": [255, 215, 0],\r\n\t\"goldenrod\": [218, 165, 32],\r\n\t\"gray\": [128, 128, 128],\r\n\t\"green\": [0, 128, 0],\r\n\t\"greenyellow\": [173, 255, 47],\r\n\t\"grey\": [128, 128, 128],\r\n\t\"honeydew\": [240, 255, 240],\r\n\t\"hotpink\": [255, 105, 180],\r\n\t\"indianred\": [205, 92, 92],\r\n\t\"indigo\": [75, 0, 130],\r\n\t\"ivory\": [255, 255, 240],\r\n\t\"khaki\": [240, 230, 140],\r\n\t\"lavender\": [230, 230, 250],\r\n\t\"lavenderblush\": [255, 240, 245],\r\n\t\"lawngreen\": [124, 252, 0],\r\n\t\"lemonchiffon\": [255, 250, 205],\r\n\t\"lightblue\": [173, 216, 230],\r\n\t\"lightcoral\": [240, 128, 128],\r\n\t\"lightcyan\": [224, 255, 255],\r\n\t\"lightgoldenrodyellow\": [250, 250, 210],\r\n\t\"lightgray\": [211, 211, 211],\r\n\t\"lightgreen\": [144, 238, 144],\r\n\t\"lightgrey\": [211, 211, 211],\r\n\t\"lightpink\": [255, 182, 193],\r\n\t\"lightsalmon\": [255, 160, 122],\r\n\t\"lightseagreen\": [32, 178, 170],\r\n\t\"lightskyblue\": [135, 206, 250],\r\n\t\"lightslategray\": [119, 136, 153],\r\n\t\"lightslategrey\": [119, 136, 153],\r\n\t\"lightsteelblue\": [176, 196, 222],\r\n\t\"lightyellow\": [255, 255, 224],\r\n\t\"lime\": [0, 255, 0],\r\n\t\"limegreen\": [50, 205, 50],\r\n\t\"linen\": [250, 240, 230],\r\n\t\"magenta\": [255, 0, 255],\r\n\t\"maroon\": [128, 0, 0],\r\n\t\"mediumaquamarine\": [102, 205, 170],\r\n\t\"mediumblue\": [0, 0, 205],\r\n\t\"mediumorchid\": [186, 85, 211],\r\n\t\"mediumpurple\": [147, 112, 219],\r\n\t\"mediumseagreen\": [60, 179, 113],\r\n\t\"mediumslateblue\": [123, 104, 238],\r\n\t\"mediumspringgreen\": [0, 250, 154],\r\n\t\"mediumturquoise\": [72, 209, 204],\r\n\t\"mediumvioletred\": [199, 21, 133],\r\n\t\"midnightblue\": [25, 25, 112],\r\n\t\"mintcream\": [245, 255, 250],\r\n\t\"mistyrose\": [255, 228, 225],\r\n\t\"moccasin\": [255, 228, 181],\r\n\t\"navajowhite\": [255, 222, 173],\r\n\t\"navy\": [0, 0, 128],\r\n\t\"oldlace\": [253, 245, 230],\r\n\t\"olive\": [128, 128, 0],\r\n\t\"olivedrab\": [107, 142, 35],\r\n\t\"orange\": [255, 165, 0],\r\n\t\"orangered\": [255, 69, 0],\r\n\t\"orchid\": [218, 112, 214],\r\n\t\"palegoldenrod\": [238, 232, 170],\r\n\t\"palegreen\": [152, 251, 152],\r\n\t\"paleturquoise\": [175, 238, 238],\r\n\t\"palevioletred\": [219, 112, 147],\r\n\t\"papayawhip\": [255, 239, 213],\r\n\t\"peachpuff\": [255, 218, 185],\r\n\t\"peru\": [205, 133, 63],\r\n\t\"pink\": [255, 192, 203],\r\n\t\"plum\": [221, 160, 221],\r\n\t\"powderblue\": [176, 224, 230],\r\n\t\"purple\": [128, 0, 128],\r\n\t\"rebeccapurple\": [102, 51, 153],\r\n\t\"red\": [255, 0, 0],\r\n\t\"rosybrown\": [188, 143, 143],\r\n\t\"royalblue\": [65, 105, 225],\r\n\t\"saddlebrown\": [139, 69, 19],\r\n\t\"salmon\": [250, 128, 114],\r\n\t\"sandybrown\": [244, 164, 96],\r\n\t\"seagreen\": [46, 139, 87],\r\n\t\"seashell\": [255, 245, 238],\r\n\t\"sienna\": [160, 82, 45],\r\n\t\"silver\": [192, 192, 192],\r\n\t\"skyblue\": [135, 206, 235],\r\n\t\"slateblue\": [106, 90, 205],\r\n\t\"slategray\": [112, 128, 144],\r\n\t\"slategrey\": [112, 128, 144],\r\n\t\"snow\": [255, 250, 250],\r\n\t\"springgreen\": [0, 255, 127],\r\n\t\"steelblue\": [70, 130, 180],\r\n\t\"tan\": [210, 180, 140],\r\n\t\"teal\": [0, 128, 128],\r\n\t\"thistle\": [216, 191, 216],\r\n\t\"tomato\": [255, 99, 71],\r\n\t\"turquoise\": [64, 224, 208],\r\n\t\"violet\": [238, 130, 238],\r\n\t\"wheat\": [245, 222, 179],\r\n\t\"white\": [255, 255, 255],\r\n\t\"whitesmoke\": [245, 245, 245],\r\n\t\"yellow\": [255, 255, 0],\r\n\t\"yellowgreen\": [154, 205, 50]\r\n};\n\n/* MIT license */\n\n\nvar colorString = {\n getRgba: getRgba,\n getHsla: getHsla,\n getRgb: getRgb,\n getHsl: getHsl,\n getHwb: getHwb,\n getAlpha: getAlpha,\n\n hexString: hexString,\n rgbString: rgbString,\n rgbaString: rgbaString,\n percentString: percentString,\n percentaString: percentaString,\n hslString: hslString,\n hslaString: hslaString,\n hwbString: hwbString,\n keyword: keyword\n};\n\nfunction getRgba(string) {\n if (!string) {\n return;\n }\n var abbr = /^#([a-fA-F0-9]{3,4})$/i,\n hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i,\n rgba = /^rgba?\\(\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n per = /^rgba?\\(\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n keyword = /(\\w+)/;\n\n var rgb = [0, 0, 0],\n a = 1,\n match = string.match(abbr),\n hexAlpha = \"\";\n if (match) {\n match = match[1];\n hexAlpha = match[3];\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = parseInt(match[i] + match[i], 16);\n }\n if (hexAlpha) {\n a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100;\n }\n }\n else if (match = string.match(hex)) {\n hexAlpha = match[2];\n match = match[1];\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);\n }\n if (hexAlpha) {\n a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100;\n }\n }\n else if (match = string.match(rgba)) {\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = parseInt(match[i + 1]);\n }\n a = parseFloat(match[4]);\n }\n else if (match = string.match(per)) {\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);\n }\n a = parseFloat(match[4]);\n }\n else if (match = string.match(keyword)) {\n if (match[1] == \"transparent\") {\n return [0, 0, 0, 0];\n }\n rgb = colorName$1[match[1]];\n if (!rgb) {\n return;\n }\n }\n\n for (var i = 0; i < rgb.length; i++) {\n rgb[i] = scale(rgb[i], 0, 255);\n }\n if (!a && a != 0) {\n a = 1;\n }\n else {\n a = scale(a, 0, 1);\n }\n rgb[3] = a;\n return rgb;\n}\n\nfunction getHsla(string) {\n if (!string) {\n return;\n }\n var hsl = /^hsla?\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n var match = string.match(hsl);\n if (match) {\n var alpha = parseFloat(match[4]);\n var h = scale(parseInt(match[1]), 0, 360),\n s = scale(parseFloat(match[2]), 0, 100),\n l = scale(parseFloat(match[3]), 0, 100),\n a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n return [h, s, l, a];\n }\n}\n\nfunction getHwb(string) {\n if (!string) {\n return;\n }\n var hwb = /^hwb\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n var match = string.match(hwb);\n if (match) {\n var alpha = parseFloat(match[4]);\n var h = scale(parseInt(match[1]), 0, 360),\n w = scale(parseFloat(match[2]), 0, 100),\n b = scale(parseFloat(match[3]), 0, 100),\n a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n return [h, w, b, a];\n }\n}\n\nfunction getRgb(string) {\n var rgba = getRgba(string);\n return rgba && rgba.slice(0, 3);\n}\n\nfunction getHsl(string) {\n var hsla = getHsla(string);\n return hsla && hsla.slice(0, 3);\n}\n\nfunction getAlpha(string) {\n var vals = getRgba(string);\n if (vals) {\n return vals[3];\n }\n else if (vals = getHsla(string)) {\n return vals[3];\n }\n else if (vals = getHwb(string)) {\n return vals[3];\n }\n}\n\n// generators\nfunction hexString(rgba, a) {\n var a = (a !== undefined && rgba.length === 3) ? a : rgba[3];\n return \"#\" + hexDouble(rgba[0]) \n + hexDouble(rgba[1])\n + hexDouble(rgba[2])\n + (\n (a >= 0 && a < 1)\n ? hexDouble(Math.round(a * 255))\n : \"\"\n );\n}\n\nfunction rgbString(rgba, alpha) {\n if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n return rgbaString(rgba, alpha);\n }\n return \"rgb(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2] + \")\";\n}\n\nfunction rgbaString(rgba, alpha) {\n if (alpha === undefined) {\n alpha = (rgba[3] !== undefined ? rgba[3] : 1);\n }\n return \"rgba(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2]\n + \", \" + alpha + \")\";\n}\n\nfunction percentString(rgba, alpha) {\n if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n return percentaString(rgba, alpha);\n }\n var r = Math.round(rgba[0]/255 * 100),\n g = Math.round(rgba[1]/255 * 100),\n b = Math.round(rgba[2]/255 * 100);\n\n return \"rgb(\" + r + \"%, \" + g + \"%, \" + b + \"%)\";\n}\n\nfunction percentaString(rgba, alpha) {\n var r = Math.round(rgba[0]/255 * 100),\n g = Math.round(rgba[1]/255 * 100),\n b = Math.round(rgba[2]/255 * 100);\n return \"rgba(\" + r + \"%, \" + g + \"%, \" + b + \"%, \" + (alpha || rgba[3] || 1) + \")\";\n}\n\nfunction hslString(hsla, alpha) {\n if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {\n return hslaString(hsla, alpha);\n }\n return \"hsl(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%)\";\n}\n\nfunction hslaString(hsla, alpha) {\n if (alpha === undefined) {\n alpha = (hsla[3] !== undefined ? hsla[3] : 1);\n }\n return \"hsla(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%, \"\n + alpha + \")\";\n}\n\n// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax\n// (hwb have alpha optional & 1 is default value)\nfunction hwbString(hwb, alpha) {\n if (alpha === undefined) {\n alpha = (hwb[3] !== undefined ? hwb[3] : 1);\n }\n return \"hwb(\" + hwb[0] + \", \" + hwb[1] + \"%, \" + hwb[2] + \"%\"\n + (alpha !== undefined && alpha !== 1 ? \", \" + alpha : \"\") + \")\";\n}\n\nfunction keyword(rgb) {\n return reverseNames[rgb.slice(0, 3)];\n}\n\n// helpers\nfunction scale(num, min, max) {\n return Math.min(Math.max(min, num), max);\n}\n\nfunction hexDouble(num) {\n var str = num.toString(16).toUpperCase();\n return (str.length < 2) ? \"0\" + str : str;\n}\n\n\n//create a list of reverse color names\nvar reverseNames = {};\nfor (var name in colorName$1) {\n reverseNames[colorName$1[name]] = name;\n}\n\n/* MIT license */\n\n\n\nvar Color = function (obj) {\n\tif (obj instanceof Color) {\n\t\treturn obj;\n\t}\n\tif (!(this instanceof Color)) {\n\t\treturn new Color(obj);\n\t}\n\n\tthis.valid = false;\n\tthis.values = {\n\t\trgb: [0, 0, 0],\n\t\thsl: [0, 0, 0],\n\t\thsv: [0, 0, 0],\n\t\thwb: [0, 0, 0],\n\t\tcmyk: [0, 0, 0, 0],\n\t\talpha: 1\n\t};\n\n\t// parse Color() argument\n\tvar vals;\n\tif (typeof obj === 'string') {\n\t\tvals = colorString.getRgba(obj);\n\t\tif (vals) {\n\t\t\tthis.setValues('rgb', vals);\n\t\t} else if (vals = colorString.getHsla(obj)) {\n\t\t\tthis.setValues('hsl', vals);\n\t\t} else if (vals = colorString.getHwb(obj)) {\n\t\t\tthis.setValues('hwb', vals);\n\t\t}\n\t} else if (typeof obj === 'object') {\n\t\tvals = obj;\n\t\tif (vals.r !== undefined || vals.red !== undefined) {\n\t\t\tthis.setValues('rgb', vals);\n\t\t} else if (vals.l !== undefined || vals.lightness !== undefined) {\n\t\t\tthis.setValues('hsl', vals);\n\t\t} else if (vals.v !== undefined || vals.value !== undefined) {\n\t\t\tthis.setValues('hsv', vals);\n\t\t} else if (vals.w !== undefined || vals.whiteness !== undefined) {\n\t\t\tthis.setValues('hwb', vals);\n\t\t} else if (vals.c !== undefined || vals.cyan !== undefined) {\n\t\t\tthis.setValues('cmyk', vals);\n\t\t}\n\t}\n};\n\nColor.prototype = {\n\tisValid: function () {\n\t\treturn this.valid;\n\t},\n\trgb: function () {\n\t\treturn this.setSpace('rgb', arguments);\n\t},\n\thsl: function () {\n\t\treturn this.setSpace('hsl', arguments);\n\t},\n\thsv: function () {\n\t\treturn this.setSpace('hsv', arguments);\n\t},\n\thwb: function () {\n\t\treturn this.setSpace('hwb', arguments);\n\t},\n\tcmyk: function () {\n\t\treturn this.setSpace('cmyk', arguments);\n\t},\n\n\trgbArray: function () {\n\t\treturn this.values.rgb;\n\t},\n\thslArray: function () {\n\t\treturn this.values.hsl;\n\t},\n\thsvArray: function () {\n\t\treturn this.values.hsv;\n\t},\n\thwbArray: function () {\n\t\tvar values = this.values;\n\t\tif (values.alpha !== 1) {\n\t\t\treturn values.hwb.concat([values.alpha]);\n\t\t}\n\t\treturn values.hwb;\n\t},\n\tcmykArray: function () {\n\t\treturn this.values.cmyk;\n\t},\n\trgbaArray: function () {\n\t\tvar values = this.values;\n\t\treturn values.rgb.concat([values.alpha]);\n\t},\n\thslaArray: function () {\n\t\tvar values = this.values;\n\t\treturn values.hsl.concat([values.alpha]);\n\t},\n\talpha: function (val) {\n\t\tif (val === undefined) {\n\t\t\treturn this.values.alpha;\n\t\t}\n\t\tthis.setValues('alpha', val);\n\t\treturn this;\n\t},\n\n\tred: function (val) {\n\t\treturn this.setChannel('rgb', 0, val);\n\t},\n\tgreen: function (val) {\n\t\treturn this.setChannel('rgb', 1, val);\n\t},\n\tblue: function (val) {\n\t\treturn this.setChannel('rgb', 2, val);\n\t},\n\thue: function (val) {\n\t\tif (val) {\n\t\t\tval %= 360;\n\t\t\tval = val < 0 ? 360 + val : val;\n\t\t}\n\t\treturn this.setChannel('hsl', 0, val);\n\t},\n\tsaturation: function (val) {\n\t\treturn this.setChannel('hsl', 1, val);\n\t},\n\tlightness: function (val) {\n\t\treturn this.setChannel('hsl', 2, val);\n\t},\n\tsaturationv: function (val) {\n\t\treturn this.setChannel('hsv', 1, val);\n\t},\n\twhiteness: function (val) {\n\t\treturn this.setChannel('hwb', 1, val);\n\t},\n\tblackness: function (val) {\n\t\treturn this.setChannel('hwb', 2, val);\n\t},\n\tvalue: function (val) {\n\t\treturn this.setChannel('hsv', 2, val);\n\t},\n\tcyan: function (val) {\n\t\treturn this.setChannel('cmyk', 0, val);\n\t},\n\tmagenta: function (val) {\n\t\treturn this.setChannel('cmyk', 1, val);\n\t},\n\tyellow: function (val) {\n\t\treturn this.setChannel('cmyk', 2, val);\n\t},\n\tblack: function (val) {\n\t\treturn this.setChannel('cmyk', 3, val);\n\t},\n\n\thexString: function () {\n\t\treturn colorString.hexString(this.values.rgb);\n\t},\n\trgbString: function () {\n\t\treturn colorString.rgbString(this.values.rgb, this.values.alpha);\n\t},\n\trgbaString: function () {\n\t\treturn colorString.rgbaString(this.values.rgb, this.values.alpha);\n\t},\n\tpercentString: function () {\n\t\treturn colorString.percentString(this.values.rgb, this.values.alpha);\n\t},\n\thslString: function () {\n\t\treturn colorString.hslString(this.values.hsl, this.values.alpha);\n\t},\n\thslaString: function () {\n\t\treturn colorString.hslaString(this.values.hsl, this.values.alpha);\n\t},\n\thwbString: function () {\n\t\treturn colorString.hwbString(this.values.hwb, this.values.alpha);\n\t},\n\tkeyword: function () {\n\t\treturn colorString.keyword(this.values.rgb, this.values.alpha);\n\t},\n\n\trgbNumber: function () {\n\t\tvar rgb = this.values.rgb;\n\t\treturn (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];\n\t},\n\n\tluminosity: function () {\n\t\t// http://www.w3.org/TR/WCAG20/#relativeluminancedef\n\t\tvar rgb = this.values.rgb;\n\t\tvar lum = [];\n\t\tfor (var i = 0; i < rgb.length; i++) {\n\t\t\tvar chan = rgb[i] / 255;\n\t\t\tlum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);\n\t\t}\n\t\treturn 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];\n\t},\n\n\tcontrast: function (color2) {\n\t\t// http://www.w3.org/TR/WCAG20/#contrast-ratiodef\n\t\tvar lum1 = this.luminosity();\n\t\tvar lum2 = color2.luminosity();\n\t\tif (lum1 > lum2) {\n\t\t\treturn (lum1 + 0.05) / (lum2 + 0.05);\n\t\t}\n\t\treturn (lum2 + 0.05) / (lum1 + 0.05);\n\t},\n\n\tlevel: function (color2) {\n\t\tvar contrastRatio = this.contrast(color2);\n\t\tif (contrastRatio >= 7.1) {\n\t\t\treturn 'AAA';\n\t\t}\n\n\t\treturn (contrastRatio >= 4.5) ? 'AA' : '';\n\t},\n\n\tdark: function () {\n\t\t// YIQ equation from http://24ways.org/2010/calculating-color-contrast\n\t\tvar rgb = this.values.rgb;\n\t\tvar yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;\n\t\treturn yiq < 128;\n\t},\n\n\tlight: function () {\n\t\treturn !this.dark();\n\t},\n\n\tnegate: function () {\n\t\tvar rgb = [];\n\t\tfor (var i = 0; i < 3; i++) {\n\t\t\trgb[i] = 255 - this.values.rgb[i];\n\t\t}\n\t\tthis.setValues('rgb', rgb);\n\t\treturn this;\n\t},\n\n\tlighten: function (ratio) {\n\t\tvar hsl = this.values.hsl;\n\t\thsl[2] += hsl[2] * ratio;\n\t\tthis.setValues('hsl', hsl);\n\t\treturn this;\n\t},\n\n\tdarken: function (ratio) {\n\t\tvar hsl = this.values.hsl;\n\t\thsl[2] -= hsl[2] * ratio;\n\t\tthis.setValues('hsl', hsl);\n\t\treturn this;\n\t},\n\n\tsaturate: function (ratio) {\n\t\tvar hsl = this.values.hsl;\n\t\thsl[1] += hsl[1] * ratio;\n\t\tthis.setValues('hsl', hsl);\n\t\treturn this;\n\t},\n\n\tdesaturate: function (ratio) {\n\t\tvar hsl = this.values.hsl;\n\t\thsl[1] -= hsl[1] * ratio;\n\t\tthis.setValues('hsl', hsl);\n\t\treturn this;\n\t},\n\n\twhiten: function (ratio) {\n\t\tvar hwb = this.values.hwb;\n\t\thwb[1] += hwb[1] * ratio;\n\t\tthis.setValues('hwb', hwb);\n\t\treturn this;\n\t},\n\n\tblacken: function (ratio) {\n\t\tvar hwb = this.values.hwb;\n\t\thwb[2] += hwb[2] * ratio;\n\t\tthis.setValues('hwb', hwb);\n\t\treturn this;\n\t},\n\n\tgreyscale: function () {\n\t\tvar rgb = this.values.rgb;\n\t\t// http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale\n\t\tvar val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;\n\t\tthis.setValues('rgb', [val, val, val]);\n\t\treturn this;\n\t},\n\n\tclearer: function (ratio) {\n\t\tvar alpha = this.values.alpha;\n\t\tthis.setValues('alpha', alpha - (alpha * ratio));\n\t\treturn this;\n\t},\n\n\topaquer: function (ratio) {\n\t\tvar alpha = this.values.alpha;\n\t\tthis.setValues('alpha', alpha + (alpha * ratio));\n\t\treturn this;\n\t},\n\n\trotate: function (degrees) {\n\t\tvar hsl = this.values.hsl;\n\t\tvar hue = (hsl[0] + degrees) % 360;\n\t\thsl[0] = hue < 0 ? 360 + hue : hue;\n\t\tthis.setValues('hsl', hsl);\n\t\treturn this;\n\t},\n\n\t/**\n\t * Ported from sass implementation in C\n\t * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209\n\t */\n\tmix: function (mixinColor, weight) {\n\t\tvar color1 = this;\n\t\tvar color2 = mixinColor;\n\t\tvar p = weight === undefined ? 0.5 : weight;\n\n\t\tvar w = 2 * p - 1;\n\t\tvar a = color1.alpha() - color2.alpha();\n\n\t\tvar w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n\t\tvar w2 = 1 - w1;\n\n\t\treturn this\n\t\t\t.rgb(\n\t\t\t\tw1 * color1.red() + w2 * color2.red(),\n\t\t\t\tw1 * color1.green() + w2 * color2.green(),\n\t\t\t\tw1 * color1.blue() + w2 * color2.blue()\n\t\t\t)\n\t\t\t.alpha(color1.alpha() * p + color2.alpha() * (1 - p));\n\t},\n\n\ttoJSON: function () {\n\t\treturn this.rgb();\n\t},\n\n\tclone: function () {\n\t\t// NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,\n\t\t// making the final build way to big to embed in Chart.js. So let's do it manually,\n\t\t// assuming that values to clone are 1 dimension arrays containing only numbers,\n\t\t// except 'alpha' which is a number.\n\t\tvar result = new Color();\n\t\tvar source = this.values;\n\t\tvar target = result.values;\n\t\tvar value, type;\n\n\t\tfor (var prop in source) {\n\t\t\tif (source.hasOwnProperty(prop)) {\n\t\t\t\tvalue = source[prop];\n\t\t\t\ttype = ({}).toString.call(value);\n\t\t\t\tif (type === '[object Array]') {\n\t\t\t\t\ttarget[prop] = value.slice(0);\n\t\t\t\t} else if (type === '[object Number]') {\n\t\t\t\t\ttarget[prop] = value;\n\t\t\t\t} else {\n\t\t\t\t\tconsole.error('unexpected color value:', value);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\treturn result;\n\t}\n};\n\nColor.prototype.spaces = {\n\trgb: ['red', 'green', 'blue'],\n\thsl: ['hue', 'saturation', 'lightness'],\n\thsv: ['hue', 'saturation', 'value'],\n\thwb: ['hue', 'whiteness', 'blackness'],\n\tcmyk: ['cyan', 'magenta', 'yellow', 'black']\n};\n\nColor.prototype.maxes = {\n\trgb: [255, 255, 255],\n\thsl: [360, 100, 100],\n\thsv: [360, 100, 100],\n\thwb: [360, 100, 100],\n\tcmyk: [100, 100, 100, 100]\n};\n\nColor.prototype.getValues = function (space) {\n\tvar values = this.values;\n\tvar vals = {};\n\n\tfor (var i = 0; i < space.length; i++) {\n\t\tvals[space.charAt(i)] = values[space][i];\n\t}\n\n\tif (values.alpha !== 1) {\n\t\tvals.a = values.alpha;\n\t}\n\n\t// {r: 255, g: 255, b: 255, a: 0.4}\n\treturn vals;\n};\n\nColor.prototype.setValues = function (space, vals) {\n\tvar values = this.values;\n\tvar spaces = this.spaces;\n\tvar maxes = this.maxes;\n\tvar alpha = 1;\n\tvar i;\n\n\tthis.valid = true;\n\n\tif (space === 'alpha') {\n\t\talpha = vals;\n\t} else if (vals.length) {\n\t\t// [10, 10, 10]\n\t\tvalues[space] = vals.slice(0, space.length);\n\t\talpha = vals[space.length];\n\t} else if (vals[space.charAt(0)] !== undefined) {\n\t\t// {r: 10, g: 10, b: 10}\n\t\tfor (i = 0; i < space.length; i++) {\n\t\t\tvalues[space][i] = vals[space.charAt(i)];\n\t\t}\n\n\t\talpha = vals.a;\n\t} else if (vals[spaces[space][0]] !== undefined) {\n\t\t// {red: 10, green: 10, blue: 10}\n\t\tvar chans = spaces[space];\n\n\t\tfor (i = 0; i < space.length; i++) {\n\t\t\tvalues[space][i] = vals[chans[i]];\n\t\t}\n\n\t\talpha = vals.alpha;\n\t}\n\n\tvalues.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));\n\n\tif (space === 'alpha') {\n\t\treturn false;\n\t}\n\n\tvar capped;\n\n\t// cap values of the space prior converting all values\n\tfor (i = 0; i < space.length; i++) {\n\t\tcapped = Math.max(0, Math.min(maxes[space][i], values[space][i]));\n\t\tvalues[space][i] = Math.round(capped);\n\t}\n\n\t// convert to all the other color spaces\n\tfor (var sname in spaces) {\n\t\tif (sname !== space) {\n\t\t\tvalues[sname] = colorConvert[space][sname](values[space]);\n\t\t}\n\t}\n\n\treturn true;\n};\n\nColor.prototype.setSpace = function (space, args) {\n\tvar vals = args[0];\n\n\tif (vals === undefined) {\n\t\t// color.rgb()\n\t\treturn this.getValues(space);\n\t}\n\n\t// color.rgb(10, 10, 10)\n\tif (typeof vals === 'number') {\n\t\tvals = Array.prototype.slice.call(args);\n\t}\n\n\tthis.setValues(space, vals);\n\treturn this;\n};\n\nColor.prototype.setChannel = function (space, index, val) {\n\tvar svalues = this.values[space];\n\tif (val === undefined) {\n\t\t// color.red()\n\t\treturn svalues[index];\n\t} else if (val === svalues[index]) {\n\t\t// color.red(color.red())\n\t\treturn this;\n\t}\n\n\t// color.red(100)\n\tsvalues[index] = val;\n\tthis.setValues(space, svalues);\n\n\treturn this;\n};\n\nif (typeof window !== 'undefined') {\n\twindow.Color = Color;\n}\n\nvar chartjsColor = Color;\n\nfunction isValidKey(key) {\r\n\treturn ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1;\r\n}\r\n\r\n/**\r\n * @namespace Chart.helpers\r\n */\r\nvar helpers = {\r\n\t/**\r\n\t * An empty function that can be used, for example, for optional callback.\r\n\t */\r\n\tnoop: function() {},\r\n\r\n\t/**\r\n\t * Returns a unique id, sequentially generated from a global variable.\r\n\t * @returns {number}\r\n\t * @function\r\n\t */\r\n\tuid: (function() {\r\n\t\tvar id = 0;\r\n\t\treturn function() {\r\n\t\t\treturn id++;\r\n\t\t};\r\n\t}()),\r\n\r\n\t/**\r\n\t * Returns true if `value` is neither null nor undefined, else returns false.\r\n\t * @param {*} value - The value to test.\r\n\t * @returns {boolean}\r\n\t * @since 2.7.0\r\n\t */\r\n\tisNullOrUndef: function(value) {\r\n\t\treturn value === null || typeof value === 'undefined';\r\n\t},\r\n\r\n\t/**\r\n\t * Returns true if `value` is an array (including typed arrays), else returns false.\r\n\t * @param {*} value - The value to test.\r\n\t * @returns {boolean}\r\n\t * @function\r\n\t */\r\n\tisArray: function(value) {\r\n\t\tif (Array.isArray && Array.isArray(value)) {\r\n\t\t\treturn true;\r\n\t\t}\r\n\t\tvar type = Object.prototype.toString.call(value);\r\n\t\tif (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {\r\n\t\t\treturn true;\r\n\t\t}\r\n\t\treturn false;\r\n\t},\r\n\r\n\t/**\r\n\t * Returns true if `value` is an object (excluding null), else returns false.\r\n\t * @param {*} value - The value to test.\r\n\t * @returns {boolean}\r\n\t * @since 2.7.0\r\n\t */\r\n\tisObject: function(value) {\r\n\t\treturn value !== null && Object.prototype.toString.call(value) === '[object Object]';\r\n\t},\r\n\r\n\t/**\r\n\t * Returns true if `value` is a finite number, else returns false\r\n\t * @param {*} value - The value to test.\r\n\t * @returns {boolean}\r\n\t */\r\n\tisFinite: function(value) {\r\n\t\treturn (typeof value === 'number' || value instanceof Number) && isFinite(value);\r\n\t},\r\n\r\n\t/**\r\n\t * Returns `value` if defined, else returns `defaultValue`.\r\n\t * @param {*} value - The value to return if defined.\r\n\t * @param {*} defaultValue - The value to return if `value` is undefined.\r\n\t * @returns {*}\r\n\t */\r\n\tvalueOrDefault: function(value, defaultValue) {\r\n\t\treturn typeof value === 'undefined' ? defaultValue : value;\r\n\t},\r\n\r\n\t/**\r\n\t * Returns value at the given `index` in array if defined, else returns `defaultValue`.\r\n\t * @param {Array} value - The array to lookup for value at `index`.\r\n\t * @param {number} index - The index in `value` to lookup for value.\r\n\t * @param {*} defaultValue - The value to return if `value[index]` is undefined.\r\n\t * @returns {*}\r\n\t */\r\n\tvalueAtIndexOrDefault: function(value, index, defaultValue) {\r\n\t\treturn helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);\r\n\t},\r\n\r\n\t/**\r\n\t * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the\r\n\t * value returned by `fn`. If `fn` is not a function, this method returns undefined.\r\n\t * @param {function} fn - The function to call.\r\n\t * @param {Array|undefined|null} args - The arguments with which `fn` should be called.\r\n\t * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.\r\n\t * @returns {*}\r\n\t */\r\n\tcallback: function(fn, args, thisArg) {\r\n\t\tif (fn && typeof fn.call === 'function') {\r\n\t\t\treturn fn.apply(thisArg, args);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Note(SB) for performance sake, this method should only be used when loopable type\r\n\t * is unknown or in none intensive code (not called often and small loopable). Else\r\n\t * it's preferable to use a regular for() loop and save extra function calls.\r\n\t * @param {object|Array} loopable - The object or array to be iterated.\r\n\t * @param {function} fn - The function to call for each item.\r\n\t * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.\r\n\t * @param {boolean} [reverse] - If true, iterates backward on the loopable.\r\n\t */\r\n\teach: function(loopable, fn, thisArg, reverse) {\r\n\t\tvar i, len, keys;\r\n\t\tif (helpers.isArray(loopable)) {\r\n\t\t\tlen = loopable.length;\r\n\t\t\tif (reverse) {\r\n\t\t\t\tfor (i = len - 1; i >= 0; i--) {\r\n\t\t\t\t\tfn.call(thisArg, loopable[i], i);\r\n\t\t\t\t}\r\n\t\t\t} else {\r\n\t\t\t\tfor (i = 0; i < len; i++) {\r\n\t\t\t\t\tfn.call(thisArg, loopable[i], i);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t} else if (helpers.isObject(loopable)) {\r\n\t\t\tkeys = Object.keys(loopable);\r\n\t\t\tlen = keys.length;\r\n\t\t\tfor (i = 0; i < len; i++) {\r\n\t\t\t\tfn.call(thisArg, loopable[keys[i]], keys[i]);\r\n\t\t\t}\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Returns true if the `a0` and `a1` arrays have the same content, else returns false.\r\n\t * @see https://stackoverflow.com/a/14853974\r\n\t * @param {Array} a0 - The array to compare\r\n\t * @param {Array} a1 - The array to compare\r\n\t * @returns {boolean}\r\n\t */\r\n\tarrayEquals: function(a0, a1) {\r\n\t\tvar i, ilen, v0, v1;\r\n\r\n\t\tif (!a0 || !a1 || a0.length !== a1.length) {\r\n\t\t\treturn false;\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = a0.length; i < ilen; ++i) {\r\n\t\t\tv0 = a0[i];\r\n\t\t\tv1 = a1[i];\r\n\r\n\t\t\tif (v0 instanceof Array && v1 instanceof Array) {\r\n\t\t\t\tif (!helpers.arrayEquals(v0, v1)) {\r\n\t\t\t\t\treturn false;\r\n\t\t\t\t}\r\n\t\t\t} else if (v0 !== v1) {\r\n\t\t\t\t// NOTE: two different object instances will never be equal: {x:20} != {x:20}\r\n\t\t\t\treturn false;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn true;\r\n\t},\r\n\r\n\t/**\r\n\t * Returns a deep copy of `source` without keeping references on objects and arrays.\r\n\t * @param {*} source - The value to clone.\r\n\t * @returns {*}\r\n\t */\r\n\tclone: function(source) {\r\n\t\tif (helpers.isArray(source)) {\r\n\t\t\treturn source.map(helpers.clone);\r\n\t\t}\r\n\r\n\t\tif (helpers.isObject(source)) {\r\n\t\t\tvar target = Object.create(source);\r\n\t\t\tvar keys = Object.keys(source);\r\n\t\t\tvar klen = keys.length;\r\n\t\t\tvar k = 0;\r\n\r\n\t\t\tfor (; k < klen; ++k) {\r\n\t\t\t\ttarget[keys[k]] = helpers.clone(source[keys[k]]);\r\n\t\t\t}\r\n\r\n\t\t\treturn target;\r\n\t\t}\r\n\r\n\t\treturn source;\r\n\t},\r\n\r\n\t/**\r\n\t * The default merger when Chart.helpers.merge is called without merger option.\r\n\t * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback.\r\n\t * @private\r\n\t */\r\n\t_merger: function(key, target, source, options) {\r\n\t\tif (!isValidKey(key)) {\r\n\t\t\t// We want to ensure we do not copy prototypes over\r\n\t\t\t// as this can pollute global namespaces\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar tval = target[key];\r\n\t\tvar sval = source[key];\r\n\r\n\t\tif (helpers.isObject(tval) && helpers.isObject(sval)) {\r\n\t\t\thelpers.merge(tval, sval, options);\r\n\t\t} else {\r\n\t\t\ttarget[key] = helpers.clone(sval);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Merges source[key] in target[key] only if target[key] is undefined.\r\n\t * @private\r\n\t */\r\n\t_mergerIf: function(key, target, source) {\r\n\t\tif (!isValidKey(key)) {\r\n\t\t\t// We want to ensure we do not copy prototypes over\r\n\t\t\t// as this can pollute global namespaces\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar tval = target[key];\r\n\t\tvar sval = source[key];\r\n\r\n\t\tif (helpers.isObject(tval) && helpers.isObject(sval)) {\r\n\t\t\thelpers.mergeIf(tval, sval);\r\n\t\t} else if (!target.hasOwnProperty(key)) {\r\n\t\t\ttarget[key] = helpers.clone(sval);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Recursively deep copies `source` properties into `target` with the given `options`.\r\n\t * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\r\n\t * @param {object} target - The target object in which all sources are merged into.\r\n\t * @param {object|object[]} source - Object(s) to merge into `target`.\r\n\t * @param {object} [options] - Merging options:\r\n\t * @param {function} [options.merger] - The merge method (key, target, source, options)\r\n\t * @returns {object} The `target` object.\r\n\t */\r\n\tmerge: function(target, source, options) {\r\n\t\tvar sources = helpers.isArray(source) ? source : [source];\r\n\t\tvar ilen = sources.length;\r\n\t\tvar merge, i, keys, klen, k;\r\n\r\n\t\tif (!helpers.isObject(target)) {\r\n\t\t\treturn target;\r\n\t\t}\r\n\r\n\t\toptions = options || {};\r\n\t\tmerge = options.merger || helpers._merger;\r\n\r\n\t\tfor (i = 0; i < ilen; ++i) {\r\n\t\t\tsource = sources[i];\r\n\t\t\tif (!helpers.isObject(source)) {\r\n\t\t\t\tcontinue;\r\n\t\t\t}\r\n\r\n\t\t\tkeys = Object.keys(source);\r\n\t\t\tfor (k = 0, klen = keys.length; k < klen; ++k) {\r\n\t\t\t\tmerge(keys[k], target, source, options);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn target;\r\n\t},\r\n\r\n\t/**\r\n\t * Recursively deep copies `source` properties into `target` *only* if not defined in target.\r\n\t * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\r\n\t * @param {object} target - The target object in which all sources are merged into.\r\n\t * @param {object|object[]} source - Object(s) to merge into `target`.\r\n\t * @returns {object} The `target` object.\r\n\t */\r\n\tmergeIf: function(target, source) {\r\n\t\treturn helpers.merge(target, source, {merger: helpers._mergerIf});\r\n\t},\r\n\r\n\t/**\r\n\t * Applies the contents of two or more objects together into the first object.\r\n\t * @param {object} target - The target object in which all objects are merged into.\r\n\t * @param {object} arg1 - Object containing additional properties to merge in target.\r\n\t * @param {object} argN - Additional objects containing properties to merge in target.\r\n\t * @returns {object} The `target` object.\r\n\t */\r\n\textend: Object.assign || function(target) {\r\n\t\treturn helpers.merge(target, [].slice.call(arguments, 1), {\r\n\t\t\tmerger: function(key, dst, src) {\r\n\t\t\t\tdst[key] = src[key];\r\n\t\t\t}\r\n\t\t});\r\n\t},\r\n\r\n\t/**\r\n\t * Basic javascript inheritance based on the model created in Backbone.js\r\n\t */\r\n\tinherits: function(extensions) {\r\n\t\tvar me = this;\r\n\t\tvar ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {\r\n\t\t\treturn me.apply(this, arguments);\r\n\t\t};\r\n\r\n\t\tvar Surrogate = function() {\r\n\t\t\tthis.constructor = ChartElement;\r\n\t\t};\r\n\r\n\t\tSurrogate.prototype = me.prototype;\r\n\t\tChartElement.prototype = new Surrogate();\r\n\t\tChartElement.extend = helpers.inherits;\r\n\r\n\t\tif (extensions) {\r\n\t\t\thelpers.extend(ChartElement.prototype, extensions);\r\n\t\t}\r\n\r\n\t\tChartElement.__super__ = me.prototype;\r\n\t\treturn ChartElement;\r\n\t},\r\n\r\n\t_deprecated: function(scope, value, previous, current) {\r\n\t\tif (value !== undefined) {\r\n\t\t\tconsole.warn(scope + ': \"' + previous +\r\n\t\t\t\t'\" is deprecated. Please use \"' + current + '\" instead');\r\n\t\t}\r\n\t}\r\n};\r\n\r\nvar helpers_core = helpers;\r\n\r\n// DEPRECATIONS\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.callback instead.\r\n * @function Chart.helpers.callCallback\r\n * @deprecated since version 2.6.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers.callCallback = helpers.callback;\r\n\r\n/**\r\n * Provided for backward compatibility, use Array.prototype.indexOf instead.\r\n * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+\r\n * @function Chart.helpers.indexOf\r\n * @deprecated since version 2.7.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers.indexOf = function(array, item, fromIndex) {\r\n\treturn Array.prototype.indexOf.call(array, item, fromIndex);\r\n};\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.\r\n * @function Chart.helpers.getValueOrDefault\r\n * @deprecated since version 2.7.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers.getValueOrDefault = helpers.valueOrDefault;\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.\r\n * @function Chart.helpers.getValueAtIndexOrDefault\r\n * @deprecated since version 2.7.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n/**\r\n * Easing functions adapted from Robert Penner's easing equations.\r\n * @namespace Chart.helpers.easingEffects\r\n * @see http://www.robertpenner.com/easing/\r\n */\r\nvar effects = {\r\n\tlinear: function(t) {\r\n\t\treturn t;\r\n\t},\r\n\r\n\teaseInQuad: function(t) {\r\n\t\treturn t * t;\r\n\t},\r\n\r\n\teaseOutQuad: function(t) {\r\n\t\treturn -t * (t - 2);\r\n\t},\r\n\r\n\teaseInOutQuad: function(t) {\r\n\t\tif ((t /= 0.5) < 1) {\r\n\t\t\treturn 0.5 * t * t;\r\n\t\t}\r\n\t\treturn -0.5 * ((--t) * (t - 2) - 1);\r\n\t},\r\n\r\n\teaseInCubic: function(t) {\r\n\t\treturn t * t * t;\r\n\t},\r\n\r\n\teaseOutCubic: function(t) {\r\n\t\treturn (t = t - 1) * t * t + 1;\r\n\t},\r\n\r\n\teaseInOutCubic: function(t) {\r\n\t\tif ((t /= 0.5) < 1) {\r\n\t\t\treturn 0.5 * t * t * t;\r\n\t\t}\r\n\t\treturn 0.5 * ((t -= 2) * t * t + 2);\r\n\t},\r\n\r\n\teaseInQuart: function(t) {\r\n\t\treturn t * t * t * t;\r\n\t},\r\n\r\n\teaseOutQuart: function(t) {\r\n\t\treturn -((t = t - 1) * t * t * t - 1);\r\n\t},\r\n\r\n\teaseInOutQuart: function(t) {\r\n\t\tif ((t /= 0.5) < 1) {\r\n\t\t\treturn 0.5 * t * t * t * t;\r\n\t\t}\r\n\t\treturn -0.5 * ((t -= 2) * t * t * t - 2);\r\n\t},\r\n\r\n\teaseInQuint: function(t) {\r\n\t\treturn t * t * t * t * t;\r\n\t},\r\n\r\n\teaseOutQuint: function(t) {\r\n\t\treturn (t = t - 1) * t * t * t * t + 1;\r\n\t},\r\n\r\n\teaseInOutQuint: function(t) {\r\n\t\tif ((t /= 0.5) < 1) {\r\n\t\t\treturn 0.5 * t * t * t * t * t;\r\n\t\t}\r\n\t\treturn 0.5 * ((t -= 2) * t * t * t * t + 2);\r\n\t},\r\n\r\n\teaseInSine: function(t) {\r\n\t\treturn -Math.cos(t * (Math.PI / 2)) + 1;\r\n\t},\r\n\r\n\teaseOutSine: function(t) {\r\n\t\treturn Math.sin(t * (Math.PI / 2));\r\n\t},\r\n\r\n\teaseInOutSine: function(t) {\r\n\t\treturn -0.5 * (Math.cos(Math.PI * t) - 1);\r\n\t},\r\n\r\n\teaseInExpo: function(t) {\r\n\t\treturn (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));\r\n\t},\r\n\r\n\teaseOutExpo: function(t) {\r\n\t\treturn (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;\r\n\t},\r\n\r\n\teaseInOutExpo: function(t) {\r\n\t\tif (t === 0) {\r\n\t\t\treturn 0;\r\n\t\t}\r\n\t\tif (t === 1) {\r\n\t\t\treturn 1;\r\n\t\t}\r\n\t\tif ((t /= 0.5) < 1) {\r\n\t\t\treturn 0.5 * Math.pow(2, 10 * (t - 1));\r\n\t\t}\r\n\t\treturn 0.5 * (-Math.pow(2, -10 * --t) + 2);\r\n\t},\r\n\r\n\teaseInCirc: function(t) {\r\n\t\tif (t >= 1) {\r\n\t\t\treturn t;\r\n\t\t}\r\n\t\treturn -(Math.sqrt(1 - t * t) - 1);\r\n\t},\r\n\r\n\teaseOutCirc: function(t) {\r\n\t\treturn Math.sqrt(1 - (t = t - 1) * t);\r\n\t},\r\n\r\n\teaseInOutCirc: function(t) {\r\n\t\tif ((t /= 0.5) < 1) {\r\n\t\t\treturn -0.5 * (Math.sqrt(1 - t * t) - 1);\r\n\t\t}\r\n\t\treturn 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\r\n\t},\r\n\r\n\teaseInElastic: function(t) {\r\n\t\tvar s = 1.70158;\r\n\t\tvar p = 0;\r\n\t\tvar a = 1;\r\n\t\tif (t === 0) {\r\n\t\t\treturn 0;\r\n\t\t}\r\n\t\tif (t === 1) {\r\n\t\t\treturn 1;\r\n\t\t}\r\n\t\tif (!p) {\r\n\t\t\tp = 0.3;\r\n\t\t}\r\n\t\tif (a < 1) {\r\n\t\t\ta = 1;\r\n\t\t\ts = p / 4;\r\n\t\t} else {\r\n\t\t\ts = p / (2 * Math.PI) * Math.asin(1 / a);\r\n\t\t}\r\n\t\treturn -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\r\n\t},\r\n\r\n\teaseOutElastic: function(t) {\r\n\t\tvar s = 1.70158;\r\n\t\tvar p = 0;\r\n\t\tvar a = 1;\r\n\t\tif (t === 0) {\r\n\t\t\treturn 0;\r\n\t\t}\r\n\t\tif (t === 1) {\r\n\t\t\treturn 1;\r\n\t\t}\r\n\t\tif (!p) {\r\n\t\t\tp = 0.3;\r\n\t\t}\r\n\t\tif (a < 1) {\r\n\t\t\ta = 1;\r\n\t\t\ts = p / 4;\r\n\t\t} else {\r\n\t\t\ts = p / (2 * Math.PI) * Math.asin(1 / a);\r\n\t\t}\r\n\t\treturn a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;\r\n\t},\r\n\r\n\teaseInOutElastic: function(t) {\r\n\t\tvar s = 1.70158;\r\n\t\tvar p = 0;\r\n\t\tvar a = 1;\r\n\t\tif (t === 0) {\r\n\t\t\treturn 0;\r\n\t\t}\r\n\t\tif ((t /= 0.5) === 2) {\r\n\t\t\treturn 1;\r\n\t\t}\r\n\t\tif (!p) {\r\n\t\t\tp = 0.45;\r\n\t\t}\r\n\t\tif (a < 1) {\r\n\t\t\ta = 1;\r\n\t\t\ts = p / 4;\r\n\t\t} else {\r\n\t\t\ts = p / (2 * Math.PI) * Math.asin(1 / a);\r\n\t\t}\r\n\t\tif (t < 1) {\r\n\t\t\treturn -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\r\n\t\t}\r\n\t\treturn a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;\r\n\t},\r\n\teaseInBack: function(t) {\r\n\t\tvar s = 1.70158;\r\n\t\treturn t * t * ((s + 1) * t - s);\r\n\t},\r\n\r\n\teaseOutBack: function(t) {\r\n\t\tvar s = 1.70158;\r\n\t\treturn (t = t - 1) * t * ((s + 1) * t + s) + 1;\r\n\t},\r\n\r\n\teaseInOutBack: function(t) {\r\n\t\tvar s = 1.70158;\r\n\t\tif ((t /= 0.5) < 1) {\r\n\t\t\treturn 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));\r\n\t\t}\r\n\t\treturn 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);\r\n\t},\r\n\r\n\teaseInBounce: function(t) {\r\n\t\treturn 1 - effects.easeOutBounce(1 - t);\r\n\t},\r\n\r\n\teaseOutBounce: function(t) {\r\n\t\tif (t < (1 / 2.75)) {\r\n\t\t\treturn 7.5625 * t * t;\r\n\t\t}\r\n\t\tif (t < (2 / 2.75)) {\r\n\t\t\treturn 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;\r\n\t\t}\r\n\t\tif (t < (2.5 / 2.75)) {\r\n\t\t\treturn 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;\r\n\t\t}\r\n\t\treturn 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;\r\n\t},\r\n\r\n\teaseInOutBounce: function(t) {\r\n\t\tif (t < 0.5) {\r\n\t\t\treturn effects.easeInBounce(t * 2) * 0.5;\r\n\t\t}\r\n\t\treturn effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\r\n\t}\r\n};\r\n\r\nvar helpers_easing = {\r\n\teffects: effects\r\n};\r\n\r\n// DEPRECATIONS\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.easing.effects instead.\r\n * @function Chart.helpers.easingEffects\r\n * @deprecated since version 2.7.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers_core.easingEffects = effects;\n\nvar PI = Math.PI;\r\nvar RAD_PER_DEG = PI / 180;\r\nvar DOUBLE_PI = PI * 2;\r\nvar HALF_PI = PI / 2;\r\nvar QUARTER_PI = PI / 4;\r\nvar TWO_THIRDS_PI = PI * 2 / 3;\r\n\r\n/**\r\n * @namespace Chart.helpers.canvas\r\n */\r\nvar exports$1 = {\r\n\t/**\r\n\t * Clears the entire canvas associated to the given `chart`.\r\n\t * @param {Chart} chart - The chart for which to clear the canvas.\r\n\t */\r\n\tclear: function(chart) {\r\n\t\tchart.ctx.clearRect(0, 0, chart.width, chart.height);\r\n\t},\r\n\r\n\t/**\r\n\t * Creates a \"path\" for a rectangle with rounded corners at position (x, y) with a\r\n\t * given size (width, height) and the same `radius` for all corners.\r\n\t * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.\r\n\t * @param {number} x - The x axis of the coordinate for the rectangle starting point.\r\n\t * @param {number} y - The y axis of the coordinate for the rectangle starting point.\r\n\t * @param {number} width - The rectangle's width.\r\n\t * @param {number} height - The rectangle's height.\r\n\t * @param {number} radius - The rounded amount (in pixels) for the four corners.\r\n\t * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?\r\n\t */\r\n\troundedRect: function(ctx, x, y, width, height, radius) {\r\n\t\tif (radius) {\r\n\t\t\tvar r = Math.min(radius, height / 2, width / 2);\r\n\t\t\tvar left = x + r;\r\n\t\t\tvar top = y + r;\r\n\t\t\tvar right = x + width - r;\r\n\t\t\tvar bottom = y + height - r;\r\n\r\n\t\t\tctx.moveTo(x, top);\r\n\t\t\tif (left < right && top < bottom) {\r\n\t\t\t\tctx.arc(left, top, r, -PI, -HALF_PI);\r\n\t\t\t\tctx.arc(right, top, r, -HALF_PI, 0);\r\n\t\t\t\tctx.arc(right, bottom, r, 0, HALF_PI);\r\n\t\t\t\tctx.arc(left, bottom, r, HALF_PI, PI);\r\n\t\t\t} else if (left < right) {\r\n\t\t\t\tctx.moveTo(left, y);\r\n\t\t\t\tctx.arc(right, top, r, -HALF_PI, HALF_PI);\r\n\t\t\t\tctx.arc(left, top, r, HALF_PI, PI + HALF_PI);\r\n\t\t\t} else if (top < bottom) {\r\n\t\t\t\tctx.arc(left, top, r, -PI, 0);\r\n\t\t\t\tctx.arc(left, bottom, r, 0, PI);\r\n\t\t\t} else {\r\n\t\t\t\tctx.arc(left, top, r, -PI, PI);\r\n\t\t\t}\r\n\t\t\tctx.closePath();\r\n\t\t\tctx.moveTo(x, y);\r\n\t\t} else {\r\n\t\t\tctx.rect(x, y, width, height);\r\n\t\t}\r\n\t},\r\n\r\n\tdrawPoint: function(ctx, style, radius, x, y, rotation) {\r\n\t\tvar type, xOffset, yOffset, size, cornerRadius;\r\n\t\tvar rad = (rotation || 0) * RAD_PER_DEG;\r\n\r\n\t\tif (style && typeof style === 'object') {\r\n\t\t\ttype = style.toString();\r\n\t\t\tif (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\r\n\t\t\t\tctx.save();\r\n\t\t\t\tctx.translate(x, y);\r\n\t\t\t\tctx.rotate(rad);\r\n\t\t\t\tctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);\r\n\t\t\t\tctx.restore();\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (isNaN(radius) || radius <= 0) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tctx.beginPath();\r\n\r\n\t\tswitch (style) {\r\n\t\t// Default includes circle\r\n\t\tdefault:\r\n\t\t\tctx.arc(x, y, radius, 0, DOUBLE_PI);\r\n\t\t\tctx.closePath();\r\n\t\t\tbreak;\r\n\t\tcase 'triangle':\r\n\t\t\tctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\r\n\t\t\trad += TWO_THIRDS_PI;\r\n\t\t\tctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\r\n\t\t\trad += TWO_THIRDS_PI;\r\n\t\t\tctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);\r\n\t\t\tctx.closePath();\r\n\t\t\tbreak;\r\n\t\tcase 'rectRounded':\r\n\t\t\t// NOTE: the rounded rect implementation changed to use `arc` instead of\r\n\t\t\t// `quadraticCurveTo` since it generates better results when rect is\r\n\t\t\t// almost a circle. 0.516 (instead of 0.5) produces results with visually\r\n\t\t\t// closer proportion to the previous impl and it is inscribed in the\r\n\t\t\t// circle with `radius`. For more details, see the following PRs:\r\n\t\t\t// https://github.com/chartjs/Chart.js/issues/5597\r\n\t\t\t// https://github.com/chartjs/Chart.js/issues/5858\r\n\t\t\tcornerRadius = radius * 0.516;\r\n\t\t\tsize = radius - cornerRadius;\r\n\t\t\txOffset = Math.cos(rad + QUARTER_PI) * size;\r\n\t\t\tyOffset = Math.sin(rad + QUARTER_PI) * size;\r\n\t\t\tctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);\r\n\t\t\tctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);\r\n\t\t\tctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);\r\n\t\t\tctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);\r\n\t\t\tctx.closePath();\r\n\t\t\tbreak;\r\n\t\tcase 'rect':\r\n\t\t\tif (!rotation) {\r\n\t\t\t\tsize = Math.SQRT1_2 * radius;\r\n\t\t\t\tctx.rect(x - size, y - size, 2 * size, 2 * size);\r\n\t\t\t\tbreak;\r\n\t\t\t}\r\n\t\t\trad += QUARTER_PI;\r\n\t\t\t/* falls through */\r\n\t\tcase 'rectRot':\r\n\t\t\txOffset = Math.cos(rad) * radius;\r\n\t\t\tyOffset = Math.sin(rad) * radius;\r\n\t\t\tctx.moveTo(x - xOffset, y - yOffset);\r\n\t\t\tctx.lineTo(x + yOffset, y - xOffset);\r\n\t\t\tctx.lineTo(x + xOffset, y + yOffset);\r\n\t\t\tctx.lineTo(x - yOffset, y + xOffset);\r\n\t\t\tctx.closePath();\r\n\t\t\tbreak;\r\n\t\tcase 'crossRot':\r\n\t\t\trad += QUARTER_PI;\r\n\t\t\t/* falls through */\r\n\t\tcase 'cross':\r\n\t\t\txOffset = Math.cos(rad) * radius;\r\n\t\t\tyOffset = Math.sin(rad) * radius;\r\n\t\t\tctx.moveTo(x - xOffset, y - yOffset);\r\n\t\t\tctx.lineTo(x + xOffset, y + yOffset);\r\n\t\t\tctx.moveTo(x + yOffset, y - xOffset);\r\n\t\t\tctx.lineTo(x - yOffset, y + xOffset);\r\n\t\t\tbreak;\r\n\t\tcase 'star':\r\n\t\t\txOffset = Math.cos(rad) * radius;\r\n\t\t\tyOffset = Math.sin(rad) * radius;\r\n\t\t\tctx.moveTo(x - xOffset, y - yOffset);\r\n\t\t\tctx.lineTo(x + xOffset, y + yOffset);\r\n\t\t\tctx.moveTo(x + yOffset, y - xOffset);\r\n\t\t\tctx.lineTo(x - yOffset, y + xOffset);\r\n\t\t\trad += QUARTER_PI;\r\n\t\t\txOffset = Math.cos(rad) * radius;\r\n\t\t\tyOffset = Math.sin(rad) * radius;\r\n\t\t\tctx.moveTo(x - xOffset, y - yOffset);\r\n\t\t\tctx.lineTo(x + xOffset, y + yOffset);\r\n\t\t\tctx.moveTo(x + yOffset, y - xOffset);\r\n\t\t\tctx.lineTo(x - yOffset, y + xOffset);\r\n\t\t\tbreak;\r\n\t\tcase 'line':\r\n\t\t\txOffset = Math.cos(rad) * radius;\r\n\t\t\tyOffset = Math.sin(rad) * radius;\r\n\t\t\tctx.moveTo(x - xOffset, y - yOffset);\r\n\t\t\tctx.lineTo(x + xOffset, y + yOffset);\r\n\t\t\tbreak;\r\n\t\tcase 'dash':\r\n\t\t\tctx.moveTo(x, y);\r\n\t\t\tctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);\r\n\t\t\tbreak;\r\n\t\t}\r\n\r\n\t\tctx.fill();\r\n\t\tctx.stroke();\r\n\t},\r\n\r\n\t/**\r\n\t * Returns true if the point is inside the rectangle\r\n\t * @param {object} point - The point to test\r\n\t * @param {object} area - The rectangle\r\n\t * @returns {boolean}\r\n\t * @private\r\n\t */\r\n\t_isPointInArea: function(point, area) {\r\n\t\tvar epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.\r\n\r\n\t\treturn point.x > area.left - epsilon && point.x < area.right + epsilon &&\r\n\t\t\tpoint.y > area.top - epsilon && point.y < area.bottom + epsilon;\r\n\t},\r\n\r\n\tclipArea: function(ctx, area) {\r\n\t\tctx.save();\r\n\t\tctx.beginPath();\r\n\t\tctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\r\n\t\tctx.clip();\r\n\t},\r\n\r\n\tunclipArea: function(ctx) {\r\n\t\tctx.restore();\r\n\t},\r\n\r\n\tlineTo: function(ctx, previous, target, flip) {\r\n\t\tvar stepped = target.steppedLine;\r\n\t\tif (stepped) {\r\n\t\t\tif (stepped === 'middle') {\r\n\t\t\t\tvar midpoint = (previous.x + target.x) / 2.0;\r\n\t\t\t\tctx.lineTo(midpoint, flip ? target.y : previous.y);\r\n\t\t\t\tctx.lineTo(midpoint, flip ? previous.y : target.y);\r\n\t\t\t} else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) {\r\n\t\t\t\tctx.lineTo(previous.x, target.y);\r\n\t\t\t} else {\r\n\t\t\t\tctx.lineTo(target.x, previous.y);\r\n\t\t\t}\r\n\t\t\tctx.lineTo(target.x, target.y);\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tif (!target.tension) {\r\n\t\t\tctx.lineTo(target.x, target.y);\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tctx.bezierCurveTo(\r\n\t\t\tflip ? previous.controlPointPreviousX : previous.controlPointNextX,\r\n\t\t\tflip ? previous.controlPointPreviousY : previous.controlPointNextY,\r\n\t\t\tflip ? target.controlPointNextX : target.controlPointPreviousX,\r\n\t\t\tflip ? target.controlPointNextY : target.controlPointPreviousY,\r\n\t\t\ttarget.x,\r\n\t\t\ttarget.y);\r\n\t}\r\n};\r\n\r\nvar helpers_canvas = exports$1;\r\n\r\n// DEPRECATIONS\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.\r\n * @namespace Chart.helpers.clear\r\n * @deprecated since version 2.7.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers_core.clear = exports$1.clear;\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.\r\n * @namespace Chart.helpers.drawRoundedRectangle\r\n * @deprecated since version 2.7.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers_core.drawRoundedRectangle = function(ctx) {\r\n\tctx.beginPath();\r\n\texports$1.roundedRect.apply(exports$1, arguments);\r\n};\n\nvar defaults = {\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_set: function(scope, values) {\r\n\t\treturn helpers_core.merge(this[scope] || (this[scope] = {}), values);\r\n\t}\r\n};\r\n\r\n// TODO(v3): remove 'global' from namespace. all default are global and\r\n// there's inconsistency around which options are under 'global'\r\ndefaults._set('global', {\r\n\tdefaultColor: 'rgba(0,0,0,0.1)',\r\n\tdefaultFontColor: '#666',\r\n\tdefaultFontFamily: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\r\n\tdefaultFontSize: 12,\r\n\tdefaultFontStyle: 'normal',\r\n\tdefaultLineHeight: 1.2,\r\n\tshowLines: true\r\n});\r\n\r\nvar core_defaults = defaults;\n\nvar valueOrDefault = helpers_core.valueOrDefault;\r\n\r\n/**\r\n * Converts the given font object into a CSS font string.\r\n * @param {object} font - A font object.\r\n * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font\r\n * @private\r\n */\r\nfunction toFontString(font) {\r\n\tif (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) {\r\n\t\treturn null;\r\n\t}\r\n\r\n\treturn (font.style ? font.style + ' ' : '')\r\n\t\t+ (font.weight ? font.weight + ' ' : '')\r\n\t\t+ font.size + 'px '\r\n\t\t+ font.family;\r\n}\r\n\r\n/**\r\n * @alias Chart.helpers.options\r\n * @namespace\r\n */\r\nvar helpers_options = {\r\n\t/**\r\n\t * Converts the given line height `value` in pixels for a specific font `size`.\r\n\t * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').\r\n\t * @param {number} size - The font size (in pixels) used to resolve relative `value`.\r\n\t * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid).\r\n\t * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height\r\n\t * @since 2.7.0\r\n\t */\r\n\ttoLineHeight: function(value, size) {\r\n\t\tvar matches = ('' + value).match(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\r\n\t\tif (!matches || matches[1] === 'normal') {\r\n\t\t\treturn size * 1.2;\r\n\t\t}\r\n\r\n\t\tvalue = +matches[2];\r\n\r\n\t\tswitch (matches[3]) {\r\n\t\tcase 'px':\r\n\t\t\treturn value;\r\n\t\tcase '%':\r\n\t\t\tvalue /= 100;\r\n\t\t\tbreak;\r\n\t\t}\r\n\r\n\t\treturn size * value;\r\n\t},\r\n\r\n\t/**\r\n\t * Converts the given value into a padding object with pre-computed width/height.\r\n\t * @param {number|object} value - If a number, set the value to all TRBL component,\r\n\t * else, if and object, use defined properties and sets undefined ones to 0.\r\n\t * @returns {object} The padding values (top, right, bottom, left, width, height)\r\n\t * @since 2.7.0\r\n\t */\r\n\ttoPadding: function(value) {\r\n\t\tvar t, r, b, l;\r\n\r\n\t\tif (helpers_core.isObject(value)) {\r\n\t\t\tt = +value.top || 0;\r\n\t\t\tr = +value.right || 0;\r\n\t\t\tb = +value.bottom || 0;\r\n\t\t\tl = +value.left || 0;\r\n\t\t} else {\r\n\t\t\tt = r = b = l = +value || 0;\r\n\t\t}\r\n\r\n\t\treturn {\r\n\t\t\ttop: t,\r\n\t\t\tright: r,\r\n\t\t\tbottom: b,\r\n\t\t\tleft: l,\r\n\t\t\theight: t + b,\r\n\t\t\twidth: l + r\r\n\t\t};\r\n\t},\r\n\r\n\t/**\r\n\t * Parses font options and returns the font object.\r\n\t * @param {object} options - A object that contains font options to be parsed.\r\n\t * @return {object} The font object.\r\n\t * @todo Support font.* options and renamed to toFont().\r\n\t * @private\r\n\t */\r\n\t_parseFont: function(options) {\r\n\t\tvar globalDefaults = core_defaults.global;\r\n\t\tvar size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);\r\n\t\tvar font = {\r\n\t\t\tfamily: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily),\r\n\t\t\tlineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size),\r\n\t\t\tsize: size,\r\n\t\t\tstyle: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle),\r\n\t\t\tweight: null,\r\n\t\t\tstring: ''\r\n\t\t};\r\n\r\n\t\tfont.string = toFontString(font);\r\n\t\treturn font;\r\n\t},\r\n\r\n\t/**\r\n\t * Evaluates the given `inputs` sequentially and returns the first defined value.\r\n\t * @param {Array} inputs - An array of values, falling back to the last value.\r\n\t * @param {object} [context] - If defined and the current value is a function, the value\r\n\t * is called with `context` as first argument and the result becomes the new input.\r\n\t * @param {number} [index] - If defined and the current value is an array, the value\r\n\t * at `index` become the new input.\r\n\t * @param {object} [info] - object to return information about resolution in\r\n\t * @param {boolean} [info.cacheable] - Will be set to `false` if option is not cacheable.\r\n\t * @since 2.7.0\r\n\t */\r\n\tresolve: function(inputs, context, index, info) {\r\n\t\tvar cacheable = true;\r\n\t\tvar i, ilen, value;\r\n\r\n\t\tfor (i = 0, ilen = inputs.length; i < ilen; ++i) {\r\n\t\t\tvalue = inputs[i];\r\n\t\t\tif (value === undefined) {\r\n\t\t\t\tcontinue;\r\n\t\t\t}\r\n\t\t\tif (context !== undefined && typeof value === 'function') {\r\n\t\t\t\tvalue = value(context);\r\n\t\t\t\tcacheable = false;\r\n\t\t\t}\r\n\t\t\tif (index !== undefined && helpers_core.isArray(value)) {\r\n\t\t\t\tvalue = value[index];\r\n\t\t\t\tcacheable = false;\r\n\t\t\t}\r\n\t\t\tif (value !== undefined) {\r\n\t\t\t\tif (info && !cacheable) {\r\n\t\t\t\t\tinfo.cacheable = false;\r\n\t\t\t\t}\r\n\t\t\t\treturn value;\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n};\n\n/**\r\n * @alias Chart.helpers.math\r\n * @namespace\r\n */\r\nvar exports$2 = {\r\n\t/**\r\n\t * Returns an array of factors sorted from 1 to sqrt(value)\r\n\t * @private\r\n\t */\r\n\t_factorize: function(value) {\r\n\t\tvar result = [];\r\n\t\tvar sqrt = Math.sqrt(value);\r\n\t\tvar i;\r\n\r\n\t\tfor (i = 1; i < sqrt; i++) {\r\n\t\t\tif (value % i === 0) {\r\n\t\t\t\tresult.push(i);\r\n\t\t\t\tresult.push(value / i);\r\n\t\t\t}\r\n\t\t}\r\n\t\tif (sqrt === (sqrt | 0)) { // if value is a square number\r\n\t\t\tresult.push(sqrt);\r\n\t\t}\r\n\r\n\t\tresult.sort(function(a, b) {\r\n\t\t\treturn a - b;\r\n\t\t}).pop();\r\n\t\treturn result;\r\n\t},\r\n\r\n\tlog10: Math.log10 || function(x) {\r\n\t\tvar exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10.\r\n\t\t// Check for whole powers of 10,\r\n\t\t// which due to floating point rounding error should be corrected.\r\n\t\tvar powerOf10 = Math.round(exponent);\r\n\t\tvar isPowerOf10 = x === Math.pow(10, powerOf10);\r\n\r\n\t\treturn isPowerOf10 ? powerOf10 : exponent;\r\n\t}\r\n};\r\n\r\nvar helpers_math = exports$2;\r\n\r\n// DEPRECATIONS\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.helpers.math.log10 instead.\r\n * @namespace Chart.helpers.log10\r\n * @deprecated since version 2.9.0\r\n * @todo remove at version 3\r\n * @private\r\n */\r\nhelpers_core.log10 = exports$2.log10;\n\nvar getRtlAdapter = function(rectX, width) {\r\n\treturn {\r\n\t\tx: function(x) {\r\n\t\t\treturn rectX + rectX + width - x;\r\n\t\t},\r\n\t\tsetWidth: function(w) {\r\n\t\t\twidth = w;\r\n\t\t},\r\n\t\ttextAlign: function(align) {\r\n\t\t\tif (align === 'center') {\r\n\t\t\t\treturn align;\r\n\t\t\t}\r\n\t\t\treturn align === 'right' ? 'left' : 'right';\r\n\t\t},\r\n\t\txPlus: function(x, value) {\r\n\t\t\treturn x - value;\r\n\t\t},\r\n\t\tleftForLtr: function(x, itemWidth) {\r\n\t\t\treturn x - itemWidth;\r\n\t\t},\r\n\t};\r\n};\r\n\r\nvar getLtrAdapter = function() {\r\n\treturn {\r\n\t\tx: function(x) {\r\n\t\t\treturn x;\r\n\t\t},\r\n\t\tsetWidth: function(w) { // eslint-disable-line no-unused-vars\r\n\t\t},\r\n\t\ttextAlign: function(align) {\r\n\t\t\treturn align;\r\n\t\t},\r\n\t\txPlus: function(x, value) {\r\n\t\t\treturn x + value;\r\n\t\t},\r\n\t\tleftForLtr: function(x, _itemWidth) { // eslint-disable-line no-unused-vars\r\n\t\t\treturn x;\r\n\t\t},\r\n\t};\r\n};\r\n\r\nvar getAdapter = function(rtl, rectX, width) {\r\n\treturn rtl ? getRtlAdapter(rectX, width) : getLtrAdapter();\r\n};\r\n\r\nvar overrideTextDirection = function(ctx, direction) {\r\n\tvar style, original;\r\n\tif (direction === 'ltr' || direction === 'rtl') {\r\n\t\tstyle = ctx.canvas.style;\r\n\t\toriginal = [\r\n\t\t\tstyle.getPropertyValue('direction'),\r\n\t\t\tstyle.getPropertyPriority('direction'),\r\n\t\t];\r\n\r\n\t\tstyle.setProperty('direction', direction, 'important');\r\n\t\tctx.prevTextDirection = original;\r\n\t}\r\n};\r\n\r\nvar restoreTextDirection = function(ctx) {\r\n\tvar original = ctx.prevTextDirection;\r\n\tif (original !== undefined) {\r\n\t\tdelete ctx.prevTextDirection;\r\n\t\tctx.canvas.style.setProperty('direction', original[0], original[1]);\r\n\t}\r\n};\r\n\r\nvar helpers_rtl = {\r\n\tgetRtlAdapter: getAdapter,\r\n\toverrideTextDirection: overrideTextDirection,\r\n\trestoreTextDirection: restoreTextDirection,\r\n};\n\nvar helpers$1 = helpers_core;\r\nvar easing = helpers_easing;\r\nvar canvas = helpers_canvas;\r\nvar options = helpers_options;\r\nvar math = helpers_math;\r\nvar rtl = helpers_rtl;\nhelpers$1.easing = easing;\nhelpers$1.canvas = canvas;\nhelpers$1.options = options;\nhelpers$1.math = math;\nhelpers$1.rtl = rtl;\n\nfunction interpolate(start, view, model, ease) {\r\n\tvar keys = Object.keys(model);\r\n\tvar i, ilen, key, actual, origin, target, type, c0, c1;\r\n\r\n\tfor (i = 0, ilen = keys.length; i < ilen; ++i) {\r\n\t\tkey = keys[i];\r\n\r\n\t\ttarget = model[key];\r\n\r\n\t\t// if a value is added to the model after pivot() has been called, the view\r\n\t\t// doesn't contain it, so let's initialize the view to the target value.\r\n\t\tif (!view.hasOwnProperty(key)) {\r\n\t\t\tview[key] = target;\r\n\t\t}\r\n\r\n\t\tactual = view[key];\r\n\r\n\t\tif (actual === target || key[0] === '_') {\r\n\t\t\tcontinue;\r\n\t\t}\r\n\r\n\t\tif (!start.hasOwnProperty(key)) {\r\n\t\t\tstart[key] = actual;\r\n\t\t}\r\n\r\n\t\torigin = start[key];\r\n\r\n\t\ttype = typeof target;\r\n\r\n\t\tif (type === typeof origin) {\r\n\t\t\tif (type === 'string') {\r\n\t\t\t\tc0 = chartjsColor(origin);\r\n\t\t\t\tif (c0.valid) {\r\n\t\t\t\t\tc1 = chartjsColor(target);\r\n\t\t\t\t\tif (c1.valid) {\r\n\t\t\t\t\t\tview[key] = c1.mix(c0, ease).rgbString();\r\n\t\t\t\t\t\tcontinue;\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t} else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) {\r\n\t\t\t\tview[key] = origin + (target - origin) * ease;\r\n\t\t\t\tcontinue;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tview[key] = target;\r\n\t}\r\n}\r\n\r\nvar Element = function(configuration) {\r\n\thelpers$1.extend(this, configuration);\r\n\tthis.initialize.apply(this, arguments);\r\n};\r\n\r\nhelpers$1.extend(Element.prototype, {\r\n\t_type: undefined,\r\n\r\n\tinitialize: function() {\r\n\t\tthis.hidden = false;\r\n\t},\r\n\r\n\tpivot: function() {\r\n\t\tvar me = this;\r\n\t\tif (!me._view) {\r\n\t\t\tme._view = helpers$1.extend({}, me._model);\r\n\t\t}\r\n\t\tme._start = {};\r\n\t\treturn me;\r\n\t},\r\n\r\n\ttransition: function(ease) {\r\n\t\tvar me = this;\r\n\t\tvar model = me._model;\r\n\t\tvar start = me._start;\r\n\t\tvar view = me._view;\r\n\r\n\t\t// No animation -> No Transition\r\n\t\tif (!model || ease === 1) {\r\n\t\t\tme._view = helpers$1.extend({}, model);\r\n\t\t\tme._start = null;\r\n\t\t\treturn me;\r\n\t\t}\r\n\r\n\t\tif (!view) {\r\n\t\t\tview = me._view = {};\r\n\t\t}\r\n\r\n\t\tif (!start) {\r\n\t\t\tstart = me._start = {};\r\n\t\t}\r\n\r\n\t\tinterpolate(start, view, model, ease);\r\n\r\n\t\treturn me;\r\n\t},\r\n\r\n\ttooltipPosition: function() {\r\n\t\treturn {\r\n\t\t\tx: this._model.x,\r\n\t\t\ty: this._model.y\r\n\t\t};\r\n\t},\r\n\r\n\thasValue: function() {\r\n\t\treturn helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y);\r\n\t}\r\n});\r\n\r\nElement.extend = helpers$1.inherits;\r\n\r\nvar core_element = Element;\n\nvar exports$3 = core_element.extend({\r\n\tchart: null, // the animation associated chart instance\r\n\tcurrentStep: 0, // the current animation step\r\n\tnumSteps: 60, // default number of steps\r\n\teasing: '', // the easing to use for this animation\r\n\trender: null, // render function used by the animation service\r\n\r\n\tonAnimationProgress: null, // user specified callback to fire on each step of the animation\r\n\tonAnimationComplete: null, // user specified callback to fire when the animation finishes\r\n});\r\n\r\nvar core_animation = exports$3;\r\n\r\n// DEPRECATIONS\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.Animation instead\r\n * @prop Chart.Animation#animationObject\r\n * @deprecated since version 2.6.0\r\n * @todo remove at version 3\r\n */\r\nObject.defineProperty(exports$3.prototype, 'animationObject', {\r\n\tget: function() {\r\n\t\treturn this;\r\n\t}\r\n});\r\n\r\n/**\r\n * Provided for backward compatibility, use Chart.Animation#chart instead\r\n * @prop Chart.Animation#chartInstance\r\n * @deprecated since version 2.6.0\r\n * @todo remove at version 3\r\n */\r\nObject.defineProperty(exports$3.prototype, 'chartInstance', {\r\n\tget: function() {\r\n\t\treturn this.chart;\r\n\t},\r\n\tset: function(value) {\r\n\t\tthis.chart = value;\r\n\t}\r\n});\n\ncore_defaults._set('global', {\r\n\tanimation: {\r\n\t\tduration: 1000,\r\n\t\teasing: 'easeOutQuart',\r\n\t\tonProgress: helpers$1.noop,\r\n\t\tonComplete: helpers$1.noop\r\n\t}\r\n});\r\n\r\nvar core_animations = {\r\n\tanimations: [],\r\n\trequest: null,\r\n\r\n\t/**\r\n\t * @param {Chart} chart - The chart to animate.\r\n\t * @param {Chart.Animation} animation - The animation that we will animate.\r\n\t * @param {number} duration - The animation duration in ms.\r\n\t * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions\r\n\t */\r\n\taddAnimation: function(chart, animation, duration, lazy) {\r\n\t\tvar animations = this.animations;\r\n\t\tvar i, ilen;\r\n\r\n\t\tanimation.chart = chart;\r\n\t\tanimation.startTime = Date.now();\r\n\t\tanimation.duration = duration;\r\n\r\n\t\tif (!lazy) {\r\n\t\t\tchart.animating = true;\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = animations.length; i < ilen; ++i) {\r\n\t\t\tif (animations[i].chart === chart) {\r\n\t\t\t\tanimations[i] = animation;\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tanimations.push(animation);\r\n\r\n\t\t// If there are no animations queued, manually kickstart a digest, for lack of a better word\r\n\t\tif (animations.length === 1) {\r\n\t\t\tthis.requestAnimationFrame();\r\n\t\t}\r\n\t},\r\n\r\n\tcancelAnimation: function(chart) {\r\n\t\tvar index = helpers$1.findIndex(this.animations, function(animation) {\r\n\t\t\treturn animation.chart === chart;\r\n\t\t});\r\n\r\n\t\tif (index !== -1) {\r\n\t\t\tthis.animations.splice(index, 1);\r\n\t\t\tchart.animating = false;\r\n\t\t}\r\n\t},\r\n\r\n\trequestAnimationFrame: function() {\r\n\t\tvar me = this;\r\n\t\tif (me.request === null) {\r\n\t\t\t// Skip animation frame requests until the active one is executed.\r\n\t\t\t// This can happen when processing mouse events, e.g. 'mousemove'\r\n\t\t\t// and 'mouseout' events will trigger multiple renders.\r\n\t\t\tme.request = helpers$1.requestAnimFrame.call(window, function() {\r\n\t\t\t\tme.request = null;\r\n\t\t\t\tme.startDigest();\r\n\t\t\t});\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tstartDigest: function() {\r\n\t\tvar me = this;\r\n\r\n\t\tme.advance();\r\n\r\n\t\t// Do we have more stuff to animate?\r\n\t\tif (me.animations.length > 0) {\r\n\t\t\tme.requestAnimationFrame();\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tadvance: function() {\r\n\t\tvar animations = this.animations;\r\n\t\tvar animation, chart, numSteps, nextStep;\r\n\t\tvar i = 0;\r\n\r\n\t\t// 1 animation per chart, so we are looping charts here\r\n\t\twhile (i < animations.length) {\r\n\t\t\tanimation = animations[i];\r\n\t\t\tchart = animation.chart;\r\n\t\t\tnumSteps = animation.numSteps;\r\n\r\n\t\t\t// Make sure that currentStep starts at 1\r\n\t\t\t// https://github.com/chartjs/Chart.js/issues/6104\r\n\t\t\tnextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1;\r\n\t\t\tanimation.currentStep = Math.min(nextStep, numSteps);\r\n\r\n\t\t\thelpers$1.callback(animation.render, [chart, animation], chart);\r\n\t\t\thelpers$1.callback(animation.onAnimationProgress, [animation], chart);\r\n\r\n\t\t\tif (animation.currentStep >= numSteps) {\r\n\t\t\t\thelpers$1.callback(animation.onAnimationComplete, [animation], chart);\r\n\t\t\t\tchart.animating = false;\r\n\t\t\t\tanimations.splice(i, 1);\r\n\t\t\t} else {\r\n\t\t\t\t++i;\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n};\n\nvar resolve = helpers$1.options.resolve;\r\n\r\nvar arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\r\n\r\n/**\r\n * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',\r\n * 'unshift') and notify the listener AFTER the array has been altered. Listeners are\r\n * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.\r\n */\r\nfunction listenArrayEvents(array, listener) {\r\n\tif (array._chartjs) {\r\n\t\tarray._chartjs.listeners.push(listener);\r\n\t\treturn;\r\n\t}\r\n\r\n\tObject.defineProperty(array, '_chartjs', {\r\n\t\tconfigurable: true,\r\n\t\tenumerable: false,\r\n\t\tvalue: {\r\n\t\t\tlisteners: [listener]\r\n\t\t}\r\n\t});\r\n\r\n\tarrayEvents.forEach(function(key) {\r\n\t\tvar method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);\r\n\t\tvar base = array[key];\r\n\r\n\t\tObject.defineProperty(array, key, {\r\n\t\t\tconfigurable: true,\r\n\t\t\tenumerable: false,\r\n\t\t\tvalue: function() {\r\n\t\t\t\tvar args = Array.prototype.slice.call(arguments);\r\n\t\t\t\tvar res = base.apply(this, args);\r\n\r\n\t\t\t\thelpers$1.each(array._chartjs.listeners, function(object) {\r\n\t\t\t\t\tif (typeof object[method] === 'function') {\r\n\t\t\t\t\t\tobject[method].apply(object, args);\r\n\t\t\t\t\t}\r\n\t\t\t\t});\r\n\r\n\t\t\t\treturn res;\r\n\t\t\t}\r\n\t\t});\r\n\t});\r\n}\r\n\r\n/**\r\n * Removes the given array event listener and cleanup extra attached properties (such as\r\n * the _chartjs stub and overridden methods) if array doesn't have any more listeners.\r\n */\r\nfunction unlistenArrayEvents(array, listener) {\r\n\tvar stub = array._chartjs;\r\n\tif (!stub) {\r\n\t\treturn;\r\n\t}\r\n\r\n\tvar listeners = stub.listeners;\r\n\tvar index = listeners.indexOf(listener);\r\n\tif (index !== -1) {\r\n\t\tlisteners.splice(index, 1);\r\n\t}\r\n\r\n\tif (listeners.length > 0) {\r\n\t\treturn;\r\n\t}\r\n\r\n\tarrayEvents.forEach(function(key) {\r\n\t\tdelete array[key];\r\n\t});\r\n\r\n\tdelete array._chartjs;\r\n}\r\n\r\n// Base class for all dataset controllers (line, bar, etc)\r\nvar DatasetController = function(chart, datasetIndex) {\r\n\tthis.initialize(chart, datasetIndex);\r\n};\r\n\r\nhelpers$1.extend(DatasetController.prototype, {\r\n\r\n\t/**\r\n\t * Element type used to generate a meta dataset (e.g. Chart.element.Line).\r\n\t * @type {Chart.core.element}\r\n\t */\r\n\tdatasetElementType: null,\r\n\r\n\t/**\r\n\t * Element type used to generate a meta data (e.g. Chart.element.Point).\r\n\t * @type {Chart.core.element}\r\n\t */\r\n\tdataElementType: null,\r\n\r\n\t/**\r\n\t * Dataset element option keys to be resolved in _resolveDatasetElementOptions.\r\n\t * A derived controller may override this to resolve controller-specific options.\r\n\t * The keys defined here are for backward compatibility for legend styles.\r\n\t * @private\r\n\t */\r\n\t_datasetElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderCapStyle',\r\n\t\t'borderColor',\r\n\t\t'borderDash',\r\n\t\t'borderDashOffset',\r\n\t\t'borderJoinStyle',\r\n\t\t'borderWidth'\r\n\t],\r\n\r\n\t/**\r\n\t * Data element option keys to be resolved in _resolveDataElementOptions.\r\n\t * A derived controller may override this to resolve controller-specific options.\r\n\t * The keys defined here are for backward compatibility for legend styles.\r\n\t * @private\r\n\t */\r\n\t_dataElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderColor',\r\n\t\t'borderWidth',\r\n\t\t'pointStyle'\r\n\t],\r\n\r\n\tinitialize: function(chart, datasetIndex) {\r\n\t\tvar me = this;\r\n\t\tme.chart = chart;\r\n\t\tme.index = datasetIndex;\r\n\t\tme.linkScales();\r\n\t\tme.addElements();\r\n\t\tme._type = me.getMeta().type;\r\n\t},\r\n\r\n\tupdateIndex: function(datasetIndex) {\r\n\t\tthis.index = datasetIndex;\r\n\t},\r\n\r\n\tlinkScales: function() {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar chart = me.chart;\r\n\t\tvar scales = chart.scales;\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar scalesOpts = chart.options.scales;\r\n\r\n\t\tif (meta.xAxisID === null || !(meta.xAxisID in scales) || dataset.xAxisID) {\r\n\t\t\tmeta.xAxisID = dataset.xAxisID || scalesOpts.xAxes[0].id;\r\n\t\t}\r\n\t\tif (meta.yAxisID === null || !(meta.yAxisID in scales) || dataset.yAxisID) {\r\n\t\t\tmeta.yAxisID = dataset.yAxisID || scalesOpts.yAxes[0].id;\r\n\t\t}\r\n\t},\r\n\r\n\tgetDataset: function() {\r\n\t\treturn this.chart.data.datasets[this.index];\r\n\t},\r\n\r\n\tgetMeta: function() {\r\n\t\treturn this.chart.getDatasetMeta(this.index);\r\n\t},\r\n\r\n\tgetScaleForId: function(scaleID) {\r\n\t\treturn this.chart.scales[scaleID];\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getValueScaleId: function() {\r\n\t\treturn this.getMeta().yAxisID;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getIndexScaleId: function() {\r\n\t\treturn this.getMeta().xAxisID;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getValueScale: function() {\r\n\t\treturn this.getScaleForId(this._getValueScaleId());\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getIndexScale: function() {\r\n\t\treturn this.getScaleForId(this._getIndexScaleId());\r\n\t},\r\n\r\n\treset: function() {\r\n\t\tthis._update(true);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tdestroy: function() {\r\n\t\tif (this._data) {\r\n\t\t\tunlistenArrayEvents(this._data, this);\r\n\t\t}\r\n\t},\r\n\r\n\tcreateMetaDataset: function() {\r\n\t\tvar me = this;\r\n\t\tvar type = me.datasetElementType;\r\n\t\treturn type && new type({\r\n\t\t\t_chart: me.chart,\r\n\t\t\t_datasetIndex: me.index\r\n\t\t});\r\n\t},\r\n\r\n\tcreateMetaData: function(index) {\r\n\t\tvar me = this;\r\n\t\tvar type = me.dataElementType;\r\n\t\treturn type && new type({\r\n\t\t\t_chart: me.chart,\r\n\t\t\t_datasetIndex: me.index,\r\n\t\t\t_index: index\r\n\t\t});\r\n\t},\r\n\r\n\taddElements: function() {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar data = me.getDataset().data || [];\r\n\t\tvar metaData = meta.data;\r\n\t\tvar i, ilen;\r\n\r\n\t\tfor (i = 0, ilen = data.length; i < ilen; ++i) {\r\n\t\t\tmetaData[i] = metaData[i] || me.createMetaData(i);\r\n\t\t}\r\n\r\n\t\tmeta.dataset = meta.dataset || me.createMetaDataset();\r\n\t},\r\n\r\n\taddElementAndReset: function(index) {\r\n\t\tvar element = this.createMetaData(index);\r\n\t\tthis.getMeta().data.splice(index, 0, element);\r\n\t\tthis.updateElement(element, index, true);\r\n\t},\r\n\r\n\tbuildOrUpdateElements: function() {\r\n\t\tvar me = this;\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar data = dataset.data || (dataset.data = []);\r\n\r\n\t\t// In order to correctly handle data addition/deletion animation (an thus simulate\r\n\t\t// real-time charts), we need to monitor these data modifications and synchronize\r\n\t\t// the internal meta data accordingly.\r\n\t\tif (me._data !== data) {\r\n\t\t\tif (me._data) {\r\n\t\t\t\t// This case happens when the user replaced the data array instance.\r\n\t\t\t\tunlistenArrayEvents(me._data, me);\r\n\t\t\t}\r\n\r\n\t\t\tif (data && Object.isExtensible(data)) {\r\n\t\t\t\tlistenArrayEvents(data, me);\r\n\t\t\t}\r\n\t\t\tme._data = data;\r\n\t\t}\r\n\r\n\t\t// Re-sync meta data in case the user replaced the data array or if we missed\r\n\t\t// any updates and so make sure that we handle number of datapoints changing.\r\n\t\tme.resyncElements();\r\n\t},\r\n\r\n\t/**\r\n\t * Returns the merged user-supplied and default dataset-level options\r\n\t * @private\r\n\t */\r\n\t_configure: function() {\r\n\t\tvar me = this;\r\n\t\tme._config = helpers$1.merge(Object.create(null), [\r\n\t\t\tme.chart.options.datasets[me._type],\r\n\t\t\tme.getDataset(),\r\n\t\t], {\r\n\t\t\tmerger: function(key, target, source) {\r\n\t\t\t\tif (key !== '_meta' && key !== 'data') {\r\n\t\t\t\t\thelpers$1._merger(key, target, source);\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t});\r\n\t},\r\n\r\n\t_update: function(reset) {\r\n\t\tvar me = this;\r\n\t\tme._configure();\r\n\t\tme._cachedDataOpts = null;\r\n\t\tme.update(reset);\r\n\t},\r\n\r\n\tupdate: helpers$1.noop,\r\n\r\n\ttransition: function(easingValue) {\r\n\t\tvar meta = this.getMeta();\r\n\t\tvar elements = meta.data || [];\r\n\t\tvar ilen = elements.length;\r\n\t\tvar i = 0;\r\n\r\n\t\tfor (; i < ilen; ++i) {\r\n\t\t\telements[i].transition(easingValue);\r\n\t\t}\r\n\r\n\t\tif (meta.dataset) {\r\n\t\t\tmeta.dataset.transition(easingValue);\r\n\t\t}\r\n\t},\r\n\r\n\tdraw: function() {\r\n\t\tvar meta = this.getMeta();\r\n\t\tvar elements = meta.data || [];\r\n\t\tvar ilen = elements.length;\r\n\t\tvar i = 0;\r\n\r\n\t\tif (meta.dataset) {\r\n\t\t\tmeta.dataset.draw();\r\n\t\t}\r\n\r\n\t\tfor (; i < ilen; ++i) {\r\n\t\t\telements[i].draw();\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Returns a set of predefined style properties that should be used to represent the dataset\r\n\t * or the data if the index is specified\r\n\t * @param {number} index - data index\r\n\t * @return {IStyleInterface} style object\r\n\t */\r\n\tgetStyle: function(index) {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar dataset = meta.dataset;\r\n\t\tvar style;\r\n\r\n\t\tme._configure();\r\n\t\tif (dataset && index === undefined) {\r\n\t\t\tstyle = me._resolveDatasetElementOptions(dataset || {});\r\n\t\t} else {\r\n\t\t\tindex = index || 0;\r\n\t\t\tstyle = me._resolveDataElementOptions(meta.data[index] || {}, index);\r\n\t\t}\r\n\r\n\t\tif (style.fill === false || style.fill === null) {\r\n\t\t\tstyle.backgroundColor = style.borderColor;\r\n\t\t}\r\n\r\n\t\treturn style;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_resolveDatasetElementOptions: function(element, hover) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar datasetOpts = me._config;\r\n\t\tvar custom = element.custom || {};\r\n\t\tvar options = chart.options.elements[me.datasetElementType.prototype._type] || {};\r\n\t\tvar elementOptions = me._datasetElementOptions;\r\n\t\tvar values = {};\r\n\t\tvar i, ilen, key, readKey;\r\n\r\n\t\t// Scriptable options\r\n\t\tvar context = {\r\n\t\t\tchart: chart,\r\n\t\t\tdataset: me.getDataset(),\r\n\t\t\tdatasetIndex: me.index,\r\n\t\t\thover: hover\r\n\t\t};\r\n\r\n\t\tfor (i = 0, ilen = elementOptions.length; i < ilen; ++i) {\r\n\t\t\tkey = elementOptions[i];\r\n\t\t\treadKey = hover ? 'hover' + key.charAt(0).toUpperCase() + key.slice(1) : key;\r\n\t\t\tvalues[key] = resolve([\r\n\t\t\t\tcustom[readKey],\r\n\t\t\t\tdatasetOpts[readKey],\r\n\t\t\t\toptions[readKey]\r\n\t\t\t], context);\r\n\t\t}\r\n\r\n\t\treturn values;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_resolveDataElementOptions: function(element, index) {\r\n\t\tvar me = this;\r\n\t\tvar custom = element && element.custom;\r\n\t\tvar cached = me._cachedDataOpts;\r\n\t\tif (cached && !custom) {\r\n\t\t\treturn cached;\r\n\t\t}\r\n\t\tvar chart = me.chart;\r\n\t\tvar datasetOpts = me._config;\r\n\t\tvar options = chart.options.elements[me.dataElementType.prototype._type] || {};\r\n\t\tvar elementOptions = me._dataElementOptions;\r\n\t\tvar values = {};\r\n\r\n\t\t// Scriptable options\r\n\t\tvar context = {\r\n\t\t\tchart: chart,\r\n\t\t\tdataIndex: index,\r\n\t\t\tdataset: me.getDataset(),\r\n\t\t\tdatasetIndex: me.index\r\n\t\t};\r\n\r\n\t\t// `resolve` sets cacheable to `false` if any option is indexed or scripted\r\n\t\tvar info = {cacheable: !custom};\r\n\r\n\t\tvar keys, i, ilen, key;\r\n\r\n\t\tcustom = custom || {};\r\n\r\n\t\tif (helpers$1.isArray(elementOptions)) {\r\n\t\t\tfor (i = 0, ilen = elementOptions.length; i < ilen; ++i) {\r\n\t\t\t\tkey = elementOptions[i];\r\n\t\t\t\tvalues[key] = resolve([\r\n\t\t\t\t\tcustom[key],\r\n\t\t\t\t\tdatasetOpts[key],\r\n\t\t\t\t\toptions[key]\r\n\t\t\t\t], context, index, info);\r\n\t\t\t}\r\n\t\t} else {\r\n\t\t\tkeys = Object.keys(elementOptions);\r\n\t\t\tfor (i = 0, ilen = keys.length; i < ilen; ++i) {\r\n\t\t\t\tkey = keys[i];\r\n\t\t\t\tvalues[key] = resolve([\r\n\t\t\t\t\tcustom[key],\r\n\t\t\t\t\tdatasetOpts[elementOptions[key]],\r\n\t\t\t\t\tdatasetOpts[key],\r\n\t\t\t\t\toptions[key]\r\n\t\t\t\t], context, index, info);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (info.cacheable) {\r\n\t\t\tme._cachedDataOpts = Object.freeze(values);\r\n\t\t}\r\n\r\n\t\treturn values;\r\n\t},\r\n\r\n\tremoveHoverStyle: function(element) {\r\n\t\thelpers$1.merge(element._model, element.$previousStyle || {});\r\n\t\tdelete element.$previousStyle;\r\n\t},\r\n\r\n\tsetHoverStyle: function(element) {\r\n\t\tvar dataset = this.chart.data.datasets[element._datasetIndex];\r\n\t\tvar index = element._index;\r\n\t\tvar custom = element.custom || {};\r\n\t\tvar model = element._model;\r\n\t\tvar getHoverColor = helpers$1.getHoverColor;\r\n\r\n\t\telement.$previousStyle = {\r\n\t\t\tbackgroundColor: model.backgroundColor,\r\n\t\t\tborderColor: model.borderColor,\r\n\t\t\tborderWidth: model.borderWidth\r\n\t\t};\r\n\r\n\t\tmodel.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index);\r\n\t\tmodel.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index);\r\n\t\tmodel.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_removeDatasetHoverStyle: function() {\r\n\t\tvar element = this.getMeta().dataset;\r\n\r\n\t\tif (element) {\r\n\t\t\tthis.removeHoverStyle(element);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_setDatasetHoverStyle: function() {\r\n\t\tvar element = this.getMeta().dataset;\r\n\t\tvar prev = {};\r\n\t\tvar i, ilen, key, keys, hoverOptions, model;\r\n\r\n\t\tif (!element) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tmodel = element._model;\r\n\t\thoverOptions = this._resolveDatasetElementOptions(element, true);\r\n\r\n\t\tkeys = Object.keys(hoverOptions);\r\n\t\tfor (i = 0, ilen = keys.length; i < ilen; ++i) {\r\n\t\t\tkey = keys[i];\r\n\t\t\tprev[key] = model[key];\r\n\t\t\tmodel[key] = hoverOptions[key];\r\n\t\t}\r\n\r\n\t\telement.$previousStyle = prev;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tresyncElements: function() {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar data = me.getDataset().data;\r\n\t\tvar numMeta = meta.data.length;\r\n\t\tvar numData = data.length;\r\n\r\n\t\tif (numData < numMeta) {\r\n\t\t\tmeta.data.splice(numData, numMeta - numData);\r\n\t\t} else if (numData > numMeta) {\r\n\t\t\tme.insertElements(numMeta, numData - numMeta);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tinsertElements: function(start, count) {\r\n\t\tfor (var i = 0; i < count; ++i) {\r\n\t\t\tthis.addElementAndReset(start + i);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tonDataPush: function() {\r\n\t\tvar count = arguments.length;\r\n\t\tthis.insertElements(this.getDataset().data.length - count, count);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tonDataPop: function() {\r\n\t\tthis.getMeta().data.pop();\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tonDataShift: function() {\r\n\t\tthis.getMeta().data.shift();\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tonDataSplice: function(start, count) {\r\n\t\tthis.getMeta().data.splice(start, count);\r\n\t\tthis.insertElements(start, arguments.length - 2);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tonDataUnshift: function() {\r\n\t\tthis.insertElements(0, arguments.length);\r\n\t}\r\n});\r\n\r\nDatasetController.extend = helpers$1.inherits;\r\n\r\nvar core_datasetController = DatasetController;\n\nvar TAU = Math.PI * 2;\r\n\r\ncore_defaults._set('global', {\r\n\telements: {\r\n\t\tarc: {\r\n\t\t\tbackgroundColor: core_defaults.global.defaultColor,\r\n\t\t\tborderColor: '#fff',\r\n\t\t\tborderWidth: 2,\r\n\t\t\tborderAlign: 'center'\r\n\t\t}\r\n\t}\r\n});\r\n\r\nfunction clipArc(ctx, arc) {\r\n\tvar startAngle = arc.startAngle;\r\n\tvar endAngle = arc.endAngle;\r\n\tvar pixelMargin = arc.pixelMargin;\r\n\tvar angleMargin = pixelMargin / arc.outerRadius;\r\n\tvar x = arc.x;\r\n\tvar y = arc.y;\r\n\r\n\t// Draw an inner border by cliping the arc and drawing a double-width border\r\n\t// Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders\r\n\tctx.beginPath();\r\n\tctx.arc(x, y, arc.outerRadius, startAngle - angleMargin, endAngle + angleMargin);\r\n\tif (arc.innerRadius > pixelMargin) {\r\n\t\tangleMargin = pixelMargin / arc.innerRadius;\r\n\t\tctx.arc(x, y, arc.innerRadius - pixelMargin, endAngle + angleMargin, startAngle - angleMargin, true);\r\n\t} else {\r\n\t\tctx.arc(x, y, pixelMargin, endAngle + Math.PI / 2, startAngle - Math.PI / 2);\r\n\t}\r\n\tctx.closePath();\r\n\tctx.clip();\r\n}\r\n\r\nfunction drawFullCircleBorders(ctx, vm, arc, inner) {\r\n\tvar endAngle = arc.endAngle;\r\n\tvar i;\r\n\r\n\tif (inner) {\r\n\t\tarc.endAngle = arc.startAngle + TAU;\r\n\t\tclipArc(ctx, arc);\r\n\t\tarc.endAngle = endAngle;\r\n\t\tif (arc.endAngle === arc.startAngle && arc.fullCircles) {\r\n\t\t\tarc.endAngle += TAU;\r\n\t\t\tarc.fullCircles--;\r\n\t\t}\r\n\t}\r\n\r\n\tctx.beginPath();\r\n\tctx.arc(arc.x, arc.y, arc.innerRadius, arc.startAngle + TAU, arc.startAngle, true);\r\n\tfor (i = 0; i < arc.fullCircles; ++i) {\r\n\t\tctx.stroke();\r\n\t}\r\n\r\n\tctx.beginPath();\r\n\tctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.startAngle + TAU);\r\n\tfor (i = 0; i < arc.fullCircles; ++i) {\r\n\t\tctx.stroke();\r\n\t}\r\n}\r\n\r\nfunction drawBorder(ctx, vm, arc) {\r\n\tvar inner = vm.borderAlign === 'inner';\r\n\r\n\tif (inner) {\r\n\t\tctx.lineWidth = vm.borderWidth * 2;\r\n\t\tctx.lineJoin = 'round';\r\n\t} else {\r\n\t\tctx.lineWidth = vm.borderWidth;\r\n\t\tctx.lineJoin = 'bevel';\r\n\t}\r\n\r\n\tif (arc.fullCircles) {\r\n\t\tdrawFullCircleBorders(ctx, vm, arc, inner);\r\n\t}\r\n\r\n\tif (inner) {\r\n\t\tclipArc(ctx, arc);\r\n\t}\r\n\r\n\tctx.beginPath();\r\n\tctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.endAngle);\r\n\tctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);\r\n\tctx.closePath();\r\n\tctx.stroke();\r\n}\r\n\r\nvar element_arc = core_element.extend({\r\n\t_type: 'arc',\r\n\r\n\tinLabelRange: function(mouseX) {\r\n\t\tvar vm = this._view;\r\n\r\n\t\tif (vm) {\r\n\t\t\treturn (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));\r\n\t\t}\r\n\t\treturn false;\r\n\t},\r\n\r\n\tinRange: function(chartX, chartY) {\r\n\t\tvar vm = this._view;\r\n\r\n\t\tif (vm) {\r\n\t\t\tvar pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY});\r\n\t\t\tvar angle = pointRelativePosition.angle;\r\n\t\t\tvar distance = pointRelativePosition.distance;\r\n\r\n\t\t\t// Sanitise angle range\r\n\t\t\tvar startAngle = vm.startAngle;\r\n\t\t\tvar endAngle = vm.endAngle;\r\n\t\t\twhile (endAngle < startAngle) {\r\n\t\t\t\tendAngle += TAU;\r\n\t\t\t}\r\n\t\t\twhile (angle > endAngle) {\r\n\t\t\t\tangle -= TAU;\r\n\t\t\t}\r\n\t\t\twhile (angle < startAngle) {\r\n\t\t\t\tangle += TAU;\r\n\t\t\t}\r\n\r\n\t\t\t// Check if within the range of the open/close angle\r\n\t\t\tvar betweenAngles = (angle >= startAngle && angle <= endAngle);\r\n\t\t\tvar withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);\r\n\r\n\t\t\treturn (betweenAngles && withinRadius);\r\n\t\t}\r\n\t\treturn false;\r\n\t},\r\n\r\n\tgetCenterPoint: function() {\r\n\t\tvar vm = this._view;\r\n\t\tvar halfAngle = (vm.startAngle + vm.endAngle) / 2;\r\n\t\tvar halfRadius = (vm.innerRadius + vm.outerRadius) / 2;\r\n\t\treturn {\r\n\t\t\tx: vm.x + Math.cos(halfAngle) * halfRadius,\r\n\t\t\ty: vm.y + Math.sin(halfAngle) * halfRadius\r\n\t\t};\r\n\t},\r\n\r\n\tgetArea: function() {\r\n\t\tvar vm = this._view;\r\n\t\treturn Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));\r\n\t},\r\n\r\n\ttooltipPosition: function() {\r\n\t\tvar vm = this._view;\r\n\t\tvar centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);\r\n\t\tvar rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;\r\n\r\n\t\treturn {\r\n\t\t\tx: vm.x + (Math.cos(centreAngle) * rangeFromCentre),\r\n\t\t\ty: vm.y + (Math.sin(centreAngle) * rangeFromCentre)\r\n\t\t};\r\n\t},\r\n\r\n\tdraw: function() {\r\n\t\tvar ctx = this._chart.ctx;\r\n\t\tvar vm = this._view;\r\n\t\tvar pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0;\r\n\t\tvar arc = {\r\n\t\t\tx: vm.x,\r\n\t\t\ty: vm.y,\r\n\t\t\tinnerRadius: vm.innerRadius,\r\n\t\t\touterRadius: Math.max(vm.outerRadius - pixelMargin, 0),\r\n\t\t\tpixelMargin: pixelMargin,\r\n\t\t\tstartAngle: vm.startAngle,\r\n\t\t\tendAngle: vm.endAngle,\r\n\t\t\tfullCircles: Math.floor(vm.circumference / TAU)\r\n\t\t};\r\n\t\tvar i;\r\n\r\n\t\tctx.save();\r\n\r\n\t\tctx.fillStyle = vm.backgroundColor;\r\n\t\tctx.strokeStyle = vm.borderColor;\r\n\r\n\t\tif (arc.fullCircles) {\r\n\t\t\tarc.endAngle = arc.startAngle + TAU;\r\n\t\t\tctx.beginPath();\r\n\t\t\tctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);\r\n\t\t\tctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);\r\n\t\t\tctx.closePath();\r\n\t\t\tfor (i = 0; i < arc.fullCircles; ++i) {\r\n\t\t\t\tctx.fill();\r\n\t\t\t}\r\n\t\t\tarc.endAngle = arc.startAngle + vm.circumference % TAU;\r\n\t\t}\r\n\r\n\t\tctx.beginPath();\r\n\t\tctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);\r\n\t\tctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);\r\n\t\tctx.closePath();\r\n\t\tctx.fill();\r\n\r\n\t\tif (vm.borderWidth) {\r\n\t\t\tdrawBorder(ctx, vm, arc);\r\n\t\t}\r\n\r\n\t\tctx.restore();\r\n\t}\r\n});\n\nvar valueOrDefault$1 = helpers$1.valueOrDefault;\r\n\r\nvar defaultColor = core_defaults.global.defaultColor;\r\n\r\ncore_defaults._set('global', {\r\n\telements: {\r\n\t\tline: {\r\n\t\t\ttension: 0.4,\r\n\t\t\tbackgroundColor: defaultColor,\r\n\t\t\tborderWidth: 3,\r\n\t\t\tborderColor: defaultColor,\r\n\t\t\tborderCapStyle: 'butt',\r\n\t\t\tborderDash: [],\r\n\t\t\tborderDashOffset: 0.0,\r\n\t\t\tborderJoinStyle: 'miter',\r\n\t\t\tcapBezierPoints: true,\r\n\t\t\tfill: true, // do we fill in the area between the line and its base axis\r\n\t\t}\r\n\t}\r\n});\r\n\r\nvar element_line = core_element.extend({\r\n\t_type: 'line',\r\n\r\n\tdraw: function() {\r\n\t\tvar me = this;\r\n\t\tvar vm = me._view;\r\n\t\tvar ctx = me._chart.ctx;\r\n\t\tvar spanGaps = vm.spanGaps;\r\n\t\tvar points = me._children.slice(); // clone array\r\n\t\tvar globalDefaults = core_defaults.global;\r\n\t\tvar globalOptionLineElements = globalDefaults.elements.line;\r\n\t\tvar lastDrawnIndex = -1;\r\n\t\tvar closePath = me._loop;\r\n\t\tvar index, previous, currentVM;\r\n\r\n\t\tif (!points.length) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tif (me._loop) {\r\n\t\t\tfor (index = 0; index < points.length; ++index) {\r\n\t\t\t\tprevious = helpers$1.previousItem(points, index);\r\n\t\t\t\t// If the line has an open path, shift the point array\r\n\t\t\t\tif (!points[index]._view.skip && previous._view.skip) {\r\n\t\t\t\t\tpoints = points.slice(index).concat(points.slice(0, index));\r\n\t\t\t\t\tclosePath = spanGaps;\r\n\t\t\t\t\tbreak;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t\t// If the line has a close path, add the first point again\r\n\t\t\tif (closePath) {\r\n\t\t\t\tpoints.push(points[0]);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tctx.save();\r\n\r\n\t\t// Stroke Line Options\r\n\t\tctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;\r\n\r\n\t\t// IE 9 and 10 do not support line dash\r\n\t\tif (ctx.setLineDash) {\r\n\t\t\tctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);\r\n\t\t}\r\n\r\n\t\tctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset);\r\n\t\tctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;\r\n\t\tctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth);\r\n\t\tctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;\r\n\r\n\t\t// Stroke Line\r\n\t\tctx.beginPath();\r\n\r\n\t\t// First point moves to it's starting position no matter what\r\n\t\tcurrentVM = points[0]._view;\r\n\t\tif (!currentVM.skip) {\r\n\t\t\tctx.moveTo(currentVM.x, currentVM.y);\r\n\t\t\tlastDrawnIndex = 0;\r\n\t\t}\r\n\r\n\t\tfor (index = 1; index < points.length; ++index) {\r\n\t\t\tcurrentVM = points[index]._view;\r\n\t\t\tprevious = lastDrawnIndex === -1 ? helpers$1.previousItem(points, index) : points[lastDrawnIndex];\r\n\r\n\t\t\tif (!currentVM.skip) {\r\n\t\t\t\tif ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {\r\n\t\t\t\t\t// There was a gap and this is the first point after the gap\r\n\t\t\t\t\tctx.moveTo(currentVM.x, currentVM.y);\r\n\t\t\t\t} else {\r\n\t\t\t\t\t// Line to next point\r\n\t\t\t\t\thelpers$1.canvas.lineTo(ctx, previous._view, currentVM);\r\n\t\t\t\t}\r\n\t\t\t\tlastDrawnIndex = index;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (closePath) {\r\n\t\t\tctx.closePath();\r\n\t\t}\r\n\r\n\t\tctx.stroke();\r\n\t\tctx.restore();\r\n\t}\r\n});\n\nvar valueOrDefault$2 = helpers$1.valueOrDefault;\r\n\r\nvar defaultColor$1 = core_defaults.global.defaultColor;\r\n\r\ncore_defaults._set('global', {\r\n\telements: {\r\n\t\tpoint: {\r\n\t\t\tradius: 3,\r\n\t\t\tpointStyle: 'circle',\r\n\t\t\tbackgroundColor: defaultColor$1,\r\n\t\t\tborderColor: defaultColor$1,\r\n\t\t\tborderWidth: 1,\r\n\t\t\t// Hover\r\n\t\t\thitRadius: 1,\r\n\t\t\thoverRadius: 4,\r\n\t\t\thoverBorderWidth: 1\r\n\t\t}\r\n\t}\r\n});\r\n\r\nfunction xRange(mouseX) {\r\n\tvar vm = this._view;\r\n\treturn vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false;\r\n}\r\n\r\nfunction yRange(mouseY) {\r\n\tvar vm = this._view;\r\n\treturn vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false;\r\n}\r\n\r\nvar element_point = core_element.extend({\r\n\t_type: 'point',\r\n\r\n\tinRange: function(mouseX, mouseY) {\r\n\t\tvar vm = this._view;\r\n\t\treturn vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;\r\n\t},\r\n\r\n\tinLabelRange: xRange,\r\n\tinXRange: xRange,\r\n\tinYRange: yRange,\r\n\r\n\tgetCenterPoint: function() {\r\n\t\tvar vm = this._view;\r\n\t\treturn {\r\n\t\t\tx: vm.x,\r\n\t\t\ty: vm.y\r\n\t\t};\r\n\t},\r\n\r\n\tgetArea: function() {\r\n\t\treturn Math.PI * Math.pow(this._view.radius, 2);\r\n\t},\r\n\r\n\ttooltipPosition: function() {\r\n\t\tvar vm = this._view;\r\n\t\treturn {\r\n\t\t\tx: vm.x,\r\n\t\t\ty: vm.y,\r\n\t\t\tpadding: vm.radius + vm.borderWidth\r\n\t\t};\r\n\t},\r\n\r\n\tdraw: function(chartArea) {\r\n\t\tvar vm = this._view;\r\n\t\tvar ctx = this._chart.ctx;\r\n\t\tvar pointStyle = vm.pointStyle;\r\n\t\tvar rotation = vm.rotation;\r\n\t\tvar radius = vm.radius;\r\n\t\tvar x = vm.x;\r\n\t\tvar y = vm.y;\r\n\t\tvar globalDefaults = core_defaults.global;\r\n\t\tvar defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow\r\n\r\n\t\tif (vm.skip) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\t// Clipping for Points.\r\n\t\tif (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) {\r\n\t\t\tctx.strokeStyle = vm.borderColor || defaultColor;\r\n\t\t\tctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth);\r\n\t\t\tctx.fillStyle = vm.backgroundColor || defaultColor;\r\n\t\t\thelpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation);\r\n\t\t}\r\n\t}\r\n});\n\nvar defaultColor$2 = core_defaults.global.defaultColor;\r\n\r\ncore_defaults._set('global', {\r\n\telements: {\r\n\t\trectangle: {\r\n\t\t\tbackgroundColor: defaultColor$2,\r\n\t\t\tborderColor: defaultColor$2,\r\n\t\t\tborderSkipped: 'bottom',\r\n\t\t\tborderWidth: 0\r\n\t\t}\r\n\t}\r\n});\r\n\r\nfunction isVertical(vm) {\r\n\treturn vm && vm.width !== undefined;\r\n}\r\n\r\n/**\r\n * Helper function to get the bounds of the bar regardless of the orientation\r\n * @param bar {Chart.Element.Rectangle} the bar\r\n * @return {Bounds} bounds of the bar\r\n * @private\r\n */\r\nfunction getBarBounds(vm) {\r\n\tvar x1, x2, y1, y2, half;\r\n\r\n\tif (isVertical(vm)) {\r\n\t\thalf = vm.width / 2;\r\n\t\tx1 = vm.x - half;\r\n\t\tx2 = vm.x + half;\r\n\t\ty1 = Math.min(vm.y, vm.base);\r\n\t\ty2 = Math.max(vm.y, vm.base);\r\n\t} else {\r\n\t\thalf = vm.height / 2;\r\n\t\tx1 = Math.min(vm.x, vm.base);\r\n\t\tx2 = Math.max(vm.x, vm.base);\r\n\t\ty1 = vm.y - half;\r\n\t\ty2 = vm.y + half;\r\n\t}\r\n\r\n\treturn {\r\n\t\tleft: x1,\r\n\t\ttop: y1,\r\n\t\tright: x2,\r\n\t\tbottom: y2\r\n\t};\r\n}\r\n\r\nfunction swap(orig, v1, v2) {\r\n\treturn orig === v1 ? v2 : orig === v2 ? v1 : orig;\r\n}\r\n\r\nfunction parseBorderSkipped(vm) {\r\n\tvar edge = vm.borderSkipped;\r\n\tvar res = {};\r\n\r\n\tif (!edge) {\r\n\t\treturn res;\r\n\t}\r\n\r\n\tif (vm.horizontal) {\r\n\t\tif (vm.base > vm.x) {\r\n\t\t\tedge = swap(edge, 'left', 'right');\r\n\t\t}\r\n\t} else if (vm.base < vm.y) {\r\n\t\tedge = swap(edge, 'bottom', 'top');\r\n\t}\r\n\r\n\tres[edge] = true;\r\n\treturn res;\r\n}\r\n\r\nfunction parseBorderWidth(vm, maxW, maxH) {\r\n\tvar value = vm.borderWidth;\r\n\tvar skip = parseBorderSkipped(vm);\r\n\tvar t, r, b, l;\r\n\r\n\tif (helpers$1.isObject(value)) {\r\n\t\tt = +value.top || 0;\r\n\t\tr = +value.right || 0;\r\n\t\tb = +value.bottom || 0;\r\n\t\tl = +value.left || 0;\r\n\t} else {\r\n\t\tt = r = b = l = +value || 0;\r\n\t}\r\n\r\n\treturn {\r\n\t\tt: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t,\r\n\t\tr: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r,\r\n\t\tb: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b,\r\n\t\tl: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l\r\n\t};\r\n}\r\n\r\nfunction boundingRects(vm) {\r\n\tvar bounds = getBarBounds(vm);\r\n\tvar width = bounds.right - bounds.left;\r\n\tvar height = bounds.bottom - bounds.top;\r\n\tvar border = parseBorderWidth(vm, width / 2, height / 2);\r\n\r\n\treturn {\r\n\t\touter: {\r\n\t\t\tx: bounds.left,\r\n\t\t\ty: bounds.top,\r\n\t\t\tw: width,\r\n\t\t\th: height\r\n\t\t},\r\n\t\tinner: {\r\n\t\t\tx: bounds.left + border.l,\r\n\t\t\ty: bounds.top + border.t,\r\n\t\t\tw: width - border.l - border.r,\r\n\t\t\th: height - border.t - border.b\r\n\t\t}\r\n\t};\r\n}\r\n\r\nfunction inRange(vm, x, y) {\r\n\tvar skipX = x === null;\r\n\tvar skipY = y === null;\r\n\tvar bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm);\r\n\r\n\treturn bounds\r\n\t\t&& (skipX || x >= bounds.left && x <= bounds.right)\r\n\t\t&& (skipY || y >= bounds.top && y <= bounds.bottom);\r\n}\r\n\r\nvar element_rectangle = core_element.extend({\r\n\t_type: 'rectangle',\r\n\r\n\tdraw: function() {\r\n\t\tvar ctx = this._chart.ctx;\r\n\t\tvar vm = this._view;\r\n\t\tvar rects = boundingRects(vm);\r\n\t\tvar outer = rects.outer;\r\n\t\tvar inner = rects.inner;\r\n\r\n\t\tctx.fillStyle = vm.backgroundColor;\r\n\t\tctx.fillRect(outer.x, outer.y, outer.w, outer.h);\r\n\r\n\t\tif (outer.w === inner.w && outer.h === inner.h) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tctx.save();\r\n\t\tctx.beginPath();\r\n\t\tctx.rect(outer.x, outer.y, outer.w, outer.h);\r\n\t\tctx.clip();\r\n\t\tctx.fillStyle = vm.borderColor;\r\n\t\tctx.rect(inner.x, inner.y, inner.w, inner.h);\r\n\t\tctx.fill('evenodd');\r\n\t\tctx.restore();\r\n\t},\r\n\r\n\theight: function() {\r\n\t\tvar vm = this._view;\r\n\t\treturn vm.base - vm.y;\r\n\t},\r\n\r\n\tinRange: function(mouseX, mouseY) {\r\n\t\treturn inRange(this._view, mouseX, mouseY);\r\n\t},\r\n\r\n\tinLabelRange: function(mouseX, mouseY) {\r\n\t\tvar vm = this._view;\r\n\t\treturn isVertical(vm)\r\n\t\t\t? inRange(vm, mouseX, null)\r\n\t\t\t: inRange(vm, null, mouseY);\r\n\t},\r\n\r\n\tinXRange: function(mouseX) {\r\n\t\treturn inRange(this._view, mouseX, null);\r\n\t},\r\n\r\n\tinYRange: function(mouseY) {\r\n\t\treturn inRange(this._view, null, mouseY);\r\n\t},\r\n\r\n\tgetCenterPoint: function() {\r\n\t\tvar vm = this._view;\r\n\t\tvar x, y;\r\n\t\tif (isVertical(vm)) {\r\n\t\t\tx = vm.x;\r\n\t\t\ty = (vm.y + vm.base) / 2;\r\n\t\t} else {\r\n\t\t\tx = (vm.x + vm.base) / 2;\r\n\t\t\ty = vm.y;\r\n\t\t}\r\n\r\n\t\treturn {x: x, y: y};\r\n\t},\r\n\r\n\tgetArea: function() {\r\n\t\tvar vm = this._view;\r\n\r\n\t\treturn isVertical(vm)\r\n\t\t\t? vm.width * Math.abs(vm.y - vm.base)\r\n\t\t\t: vm.height * Math.abs(vm.x - vm.base);\r\n\t},\r\n\r\n\ttooltipPosition: function() {\r\n\t\tvar vm = this._view;\r\n\t\treturn {\r\n\t\t\tx: vm.x,\r\n\t\t\ty: vm.y\r\n\t\t};\r\n\t}\r\n});\n\nvar elements = {};\r\nvar Arc = element_arc;\r\nvar Line = element_line;\r\nvar Point = element_point;\r\nvar Rectangle = element_rectangle;\nelements.Arc = Arc;\nelements.Line = Line;\nelements.Point = Point;\nelements.Rectangle = Rectangle;\n\nvar deprecated = helpers$1._deprecated;\r\nvar valueOrDefault$3 = helpers$1.valueOrDefault;\r\n\r\ncore_defaults._set('bar', {\r\n\thover: {\r\n\t\tmode: 'label'\r\n\t},\r\n\r\n\tscales: {\r\n\t\txAxes: [{\r\n\t\t\ttype: 'category',\r\n\t\t\toffset: true,\r\n\t\t\tgridLines: {\r\n\t\t\t\toffsetGridLines: true\r\n\t\t\t}\r\n\t\t}],\r\n\r\n\t\tyAxes: [{\r\n\t\t\ttype: 'linear'\r\n\t\t}]\r\n\t}\r\n});\r\n\r\ncore_defaults._set('global', {\r\n\tdatasets: {\r\n\t\tbar: {\r\n\t\t\tcategoryPercentage: 0.8,\r\n\t\t\tbarPercentage: 0.9\r\n\t\t}\r\n\t}\r\n});\r\n\r\n/**\r\n * Computes the \"optimal\" sample size to maintain bars equally sized while preventing overlap.\r\n * @private\r\n */\r\nfunction computeMinSampleSize(scale, pixels) {\r\n\tvar min = scale._length;\r\n\tvar prev, curr, i, ilen;\r\n\r\n\tfor (i = 1, ilen = pixels.length; i < ilen; ++i) {\r\n\t\tmin = Math.min(min, Math.abs(pixels[i] - pixels[i - 1]));\r\n\t}\r\n\r\n\tfor (i = 0, ilen = scale.getTicks().length; i < ilen; ++i) {\r\n\t\tcurr = scale.getPixelForTick(i);\r\n\t\tmin = i > 0 ? Math.min(min, Math.abs(curr - prev)) : min;\r\n\t\tprev = curr;\r\n\t}\r\n\r\n\treturn min;\r\n}\r\n\r\n/**\r\n * Computes an \"ideal\" category based on the absolute bar thickness or, if undefined or null,\r\n * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This\r\n * mode currently always generates bars equally sized (until we introduce scriptable options?).\r\n * @private\r\n */\r\nfunction computeFitCategoryTraits(index, ruler, options) {\r\n\tvar thickness = options.barThickness;\r\n\tvar count = ruler.stackCount;\r\n\tvar curr = ruler.pixels[index];\r\n\tvar min = helpers$1.isNullOrUndef(thickness)\r\n\t\t? computeMinSampleSize(ruler.scale, ruler.pixels)\r\n\t\t: -1;\r\n\tvar size, ratio;\r\n\r\n\tif (helpers$1.isNullOrUndef(thickness)) {\r\n\t\tsize = min * options.categoryPercentage;\r\n\t\tratio = options.barPercentage;\r\n\t} else {\r\n\t\t// When bar thickness is enforced, category and bar percentages are ignored.\r\n\t\t// Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%')\r\n\t\t// and deprecate barPercentage since this value is ignored when thickness is absolute.\r\n\t\tsize = thickness * count;\r\n\t\tratio = 1;\r\n\t}\r\n\r\n\treturn {\r\n\t\tchunk: size / count,\r\n\t\tratio: ratio,\r\n\t\tstart: curr - (size / 2)\r\n\t};\r\n}\r\n\r\n/**\r\n * Computes an \"optimal\" category that globally arranges bars side by side (no gap when\r\n * percentage options are 1), based on the previous and following categories. This mode\r\n * generates bars with different widths when data are not evenly spaced.\r\n * @private\r\n */\r\nfunction computeFlexCategoryTraits(index, ruler, options) {\r\n\tvar pixels = ruler.pixels;\r\n\tvar curr = pixels[index];\r\n\tvar prev = index > 0 ? pixels[index - 1] : null;\r\n\tvar next = index < pixels.length - 1 ? pixels[index + 1] : null;\r\n\tvar percent = options.categoryPercentage;\r\n\tvar start, size;\r\n\r\n\tif (prev === null) {\r\n\t\t// first data: its size is double based on the next point or,\r\n\t\t// if it's also the last data, we use the scale size.\r\n\t\tprev = curr - (next === null ? ruler.end - ruler.start : next - curr);\r\n\t}\r\n\r\n\tif (next === null) {\r\n\t\t// last data: its size is also double based on the previous point.\r\n\t\tnext = curr + curr - prev;\r\n\t}\r\n\r\n\tstart = curr - (curr - Math.min(prev, next)) / 2 * percent;\r\n\tsize = Math.abs(next - prev) / 2 * percent;\r\n\r\n\treturn {\r\n\t\tchunk: size / ruler.stackCount,\r\n\t\tratio: options.barPercentage,\r\n\t\tstart: start\r\n\t};\r\n}\r\n\r\nvar controller_bar = core_datasetController.extend({\r\n\r\n\tdataElementType: elements.Rectangle,\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_dataElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderColor',\r\n\t\t'borderSkipped',\r\n\t\t'borderWidth',\r\n\t\t'barPercentage',\r\n\t\t'barThickness',\r\n\t\t'categoryPercentage',\r\n\t\t'maxBarThickness',\r\n\t\t'minBarLength'\r\n\t],\r\n\r\n\tinitialize: function() {\r\n\t\tvar me = this;\r\n\t\tvar meta, scaleOpts;\r\n\r\n\t\tcore_datasetController.prototype.initialize.apply(me, arguments);\r\n\r\n\t\tmeta = me.getMeta();\r\n\t\tmeta.stack = me.getDataset().stack;\r\n\t\tmeta.bar = true;\r\n\r\n\t\tscaleOpts = me._getIndexScale().options;\r\n\t\tdeprecated('bar chart', scaleOpts.barPercentage, 'scales.[x/y]Axes.barPercentage', 'dataset.barPercentage');\r\n\t\tdeprecated('bar chart', scaleOpts.barThickness, 'scales.[x/y]Axes.barThickness', 'dataset.barThickness');\r\n\t\tdeprecated('bar chart', scaleOpts.categoryPercentage, 'scales.[x/y]Axes.categoryPercentage', 'dataset.categoryPercentage');\r\n\t\tdeprecated('bar chart', me._getValueScale().options.minBarLength, 'scales.[x/y]Axes.minBarLength', 'dataset.minBarLength');\r\n\t\tdeprecated('bar chart', scaleOpts.maxBarThickness, 'scales.[x/y]Axes.maxBarThickness', 'dataset.maxBarThickness');\r\n\t},\r\n\r\n\tupdate: function(reset) {\r\n\t\tvar me = this;\r\n\t\tvar rects = me.getMeta().data;\r\n\t\tvar i, ilen;\r\n\r\n\t\tme._ruler = me.getRuler();\r\n\r\n\t\tfor (i = 0, ilen = rects.length; i < ilen; ++i) {\r\n\t\t\tme.updateElement(rects[i], i, reset);\r\n\t\t}\r\n\t},\r\n\r\n\tupdateElement: function(rectangle, index, reset) {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar options = me._resolveDataElementOptions(rectangle, index);\r\n\r\n\t\trectangle._xScale = me.getScaleForId(meta.xAxisID);\r\n\t\trectangle._yScale = me.getScaleForId(meta.yAxisID);\r\n\t\trectangle._datasetIndex = me.index;\r\n\t\trectangle._index = index;\r\n\t\trectangle._model = {\r\n\t\t\tbackgroundColor: options.backgroundColor,\r\n\t\t\tborderColor: options.borderColor,\r\n\t\t\tborderSkipped: options.borderSkipped,\r\n\t\t\tborderWidth: options.borderWidth,\r\n\t\t\tdatasetLabel: dataset.label,\r\n\t\t\tlabel: me.chart.data.labels[index]\r\n\t\t};\r\n\r\n\t\tif (helpers$1.isArray(dataset.data[index])) {\r\n\t\t\trectangle._model.borderSkipped = null;\r\n\t\t}\r\n\r\n\t\tme._updateElementGeometry(rectangle, index, reset, options);\r\n\r\n\t\trectangle.pivot();\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_updateElementGeometry: function(rectangle, index, reset, options) {\r\n\t\tvar me = this;\r\n\t\tvar model = rectangle._model;\r\n\t\tvar vscale = me._getValueScale();\r\n\t\tvar base = vscale.getBasePixel();\r\n\t\tvar horizontal = vscale.isHorizontal();\r\n\t\tvar ruler = me._ruler || me.getRuler();\r\n\t\tvar vpixels = me.calculateBarValuePixels(me.index, index, options);\r\n\t\tvar ipixels = me.calculateBarIndexPixels(me.index, index, ruler, options);\r\n\r\n\t\tmodel.horizontal = horizontal;\r\n\t\tmodel.base = reset ? base : vpixels.base;\r\n\t\tmodel.x = horizontal ? reset ? base : vpixels.head : ipixels.center;\r\n\t\tmodel.y = horizontal ? ipixels.center : reset ? base : vpixels.head;\r\n\t\tmodel.height = horizontal ? ipixels.size : undefined;\r\n\t\tmodel.width = horizontal ? undefined : ipixels.size;\r\n\t},\r\n\r\n\t/**\r\n\t * Returns the stacks based on groups and bar visibility.\r\n\t * @param {number} [last] - The dataset index\r\n\t * @returns {string[]} The list of stack IDs\r\n\t * @private\r\n\t */\r\n\t_getStacks: function(last) {\r\n\t\tvar me = this;\r\n\t\tvar scale = me._getIndexScale();\r\n\t\tvar metasets = scale._getMatchingVisibleMetas(me._type);\r\n\t\tvar stacked = scale.options.stacked;\r\n\t\tvar ilen = metasets.length;\r\n\t\tvar stacks = [];\r\n\t\tvar i, meta;\r\n\r\n\t\tfor (i = 0; i < ilen; ++i) {\r\n\t\t\tmeta = metasets[i];\r\n\t\t\t// stacked | meta.stack\r\n\t\t\t// | found | not found | undefined\r\n\t\t\t// false | x | x | x\r\n\t\t\t// true | | x |\r\n\t\t\t// undefined | | x | x\r\n\t\t\tif (stacked === false || stacks.indexOf(meta.stack) === -1 ||\r\n\t\t\t\t(stacked === undefined && meta.stack === undefined)) {\r\n\t\t\t\tstacks.push(meta.stack);\r\n\t\t\t}\r\n\t\t\tif (meta.index === last) {\r\n\t\t\t\tbreak;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn stacks;\r\n\t},\r\n\r\n\t/**\r\n\t * Returns the effective number of stacks based on groups and bar visibility.\r\n\t * @private\r\n\t */\r\n\tgetStackCount: function() {\r\n\t\treturn this._getStacks().length;\r\n\t},\r\n\r\n\t/**\r\n\t * Returns the stack index for the given dataset based on groups and bar visibility.\r\n\t * @param {number} [datasetIndex] - The dataset index\r\n\t * @param {string} [name] - The stack name to find\r\n\t * @returns {number} The stack index\r\n\t * @private\r\n\t */\r\n\tgetStackIndex: function(datasetIndex, name) {\r\n\t\tvar stacks = this._getStacks(datasetIndex);\r\n\t\tvar index = (name !== undefined)\r\n\t\t\t? stacks.indexOf(name)\r\n\t\t\t: -1; // indexOf returns -1 if element is not present\r\n\r\n\t\treturn (index === -1)\r\n\t\t\t? stacks.length - 1\r\n\t\t\t: index;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tgetRuler: function() {\r\n\t\tvar me = this;\r\n\t\tvar scale = me._getIndexScale();\r\n\t\tvar pixels = [];\r\n\t\tvar i, ilen;\r\n\r\n\t\tfor (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {\r\n\t\t\tpixels.push(scale.getPixelForValue(null, i, me.index));\r\n\t\t}\r\n\r\n\t\treturn {\r\n\t\t\tpixels: pixels,\r\n\t\t\tstart: scale._startPixel,\r\n\t\t\tend: scale._endPixel,\r\n\t\t\tstackCount: me.getStackCount(),\r\n\t\t\tscale: scale\r\n\t\t};\r\n\t},\r\n\r\n\t/**\r\n\t * Note: pixel values are not clamped to the scale area.\r\n\t * @private\r\n\t */\r\n\tcalculateBarValuePixels: function(datasetIndex, index, options) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar scale = me._getValueScale();\r\n\t\tvar isHorizontal = scale.isHorizontal();\r\n\t\tvar datasets = chart.data.datasets;\r\n\t\tvar metasets = scale._getMatchingVisibleMetas(me._type);\r\n\t\tvar value = scale._parseValue(datasets[datasetIndex].data[index]);\r\n\t\tvar minBarLength = options.minBarLength;\r\n\t\tvar stacked = scale.options.stacked;\r\n\t\tvar stack = me.getMeta().stack;\r\n\t\tvar start = value.start === undefined ? 0 : value.max >= 0 && value.min >= 0 ? value.min : value.max;\r\n\t\tvar length = value.start === undefined ? value.end : value.max >= 0 && value.min >= 0 ? value.max - value.min : value.min - value.max;\r\n\t\tvar ilen = metasets.length;\r\n\t\tvar i, imeta, ivalue, base, head, size, stackLength;\r\n\r\n\t\tif (stacked || (stacked === undefined && stack !== undefined)) {\r\n\t\t\tfor (i = 0; i < ilen; ++i) {\r\n\t\t\t\timeta = metasets[i];\r\n\r\n\t\t\t\tif (imeta.index === datasetIndex) {\r\n\t\t\t\t\tbreak;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tif (imeta.stack === stack) {\r\n\t\t\t\t\tstackLength = scale._parseValue(datasets[imeta.index].data[index]);\r\n\t\t\t\t\tivalue = stackLength.start === undefined ? stackLength.end : stackLength.min >= 0 && stackLength.max >= 0 ? stackLength.max : stackLength.min;\r\n\r\n\t\t\t\t\tif ((value.min < 0 && ivalue < 0) || (value.max >= 0 && ivalue > 0)) {\r\n\t\t\t\t\t\tstart += ivalue;\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tbase = scale.getPixelForValue(start);\r\n\t\thead = scale.getPixelForValue(start + length);\r\n\t\tsize = head - base;\r\n\r\n\t\tif (minBarLength !== undefined && Math.abs(size) < minBarLength) {\r\n\t\t\tsize = minBarLength;\r\n\t\t\tif (length >= 0 && !isHorizontal || length < 0 && isHorizontal) {\r\n\t\t\t\thead = base - minBarLength;\r\n\t\t\t} else {\r\n\t\t\t\thead = base + minBarLength;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn {\r\n\t\t\tsize: size,\r\n\t\t\tbase: base,\r\n\t\t\thead: head,\r\n\t\t\tcenter: head + size / 2\r\n\t\t};\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\tcalculateBarIndexPixels: function(datasetIndex, index, ruler, options) {\r\n\t\tvar me = this;\r\n\t\tvar range = options.barThickness === 'flex'\r\n\t\t\t? computeFlexCategoryTraits(index, ruler, options)\r\n\t\t\t: computeFitCategoryTraits(index, ruler, options);\r\n\r\n\t\tvar stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack);\r\n\t\tvar center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);\r\n\t\tvar size = Math.min(\r\n\t\t\tvalueOrDefault$3(options.maxBarThickness, Infinity),\r\n\t\t\trange.chunk * range.ratio);\r\n\r\n\t\treturn {\r\n\t\t\tbase: center - size / 2,\r\n\t\t\thead: center + size / 2,\r\n\t\t\tcenter: center,\r\n\t\t\tsize: size\r\n\t\t};\r\n\t},\r\n\r\n\tdraw: function() {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar scale = me._getValueScale();\r\n\t\tvar rects = me.getMeta().data;\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar ilen = rects.length;\r\n\t\tvar i = 0;\r\n\r\n\t\thelpers$1.canvas.clipArea(chart.ctx, chart.chartArea);\r\n\r\n\t\tfor (; i < ilen; ++i) {\r\n\t\t\tvar val = scale._parseValue(dataset.data[i]);\r\n\t\t\tif (!isNaN(val.min) && !isNaN(val.max)) {\r\n\t\t\t\trects[i].draw();\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\thelpers$1.canvas.unclipArea(chart.ctx);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_resolveDataElementOptions: function() {\r\n\t\tvar me = this;\r\n\t\tvar values = helpers$1.extend({}, core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments));\r\n\t\tvar indexOpts = me._getIndexScale().options;\r\n\t\tvar valueOpts = me._getValueScale().options;\r\n\r\n\t\tvalues.barPercentage = valueOrDefault$3(indexOpts.barPercentage, values.barPercentage);\r\n\t\tvalues.barThickness = valueOrDefault$3(indexOpts.barThickness, values.barThickness);\r\n\t\tvalues.categoryPercentage = valueOrDefault$3(indexOpts.categoryPercentage, values.categoryPercentage);\r\n\t\tvalues.maxBarThickness = valueOrDefault$3(indexOpts.maxBarThickness, values.maxBarThickness);\r\n\t\tvalues.minBarLength = valueOrDefault$3(valueOpts.minBarLength, values.minBarLength);\r\n\r\n\t\treturn values;\r\n\t}\r\n\r\n});\n\nvar valueOrDefault$4 = helpers$1.valueOrDefault;\r\nvar resolve$1 = helpers$1.options.resolve;\r\n\r\ncore_defaults._set('bubble', {\r\n\thover: {\r\n\t\tmode: 'single'\r\n\t},\r\n\r\n\tscales: {\r\n\t\txAxes: [{\r\n\t\t\ttype: 'linear', // bubble should probably use a linear scale by default\r\n\t\t\tposition: 'bottom',\r\n\t\t\tid: 'x-axis-0' // need an ID so datasets can reference the scale\r\n\t\t}],\r\n\t\tyAxes: [{\r\n\t\t\ttype: 'linear',\r\n\t\t\tposition: 'left',\r\n\t\t\tid: 'y-axis-0'\r\n\t\t}]\r\n\t},\r\n\r\n\ttooltips: {\r\n\t\tcallbacks: {\r\n\t\t\ttitle: function() {\r\n\t\t\t\t// Title doesn't make sense for scatter since we format the data as a point\r\n\t\t\t\treturn '';\r\n\t\t\t},\r\n\t\t\tlabel: function(item, data) {\r\n\t\t\t\tvar datasetLabel = data.datasets[item.datasetIndex].label || '';\r\n\t\t\t\tvar dataPoint = data.datasets[item.datasetIndex].data[item.index];\r\n\t\t\t\treturn datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n});\r\n\r\nvar controller_bubble = core_datasetController.extend({\r\n\t/**\r\n\t * @protected\r\n\t */\r\n\tdataElementType: elements.Point,\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_dataElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderColor',\r\n\t\t'borderWidth',\r\n\t\t'hoverBackgroundColor',\r\n\t\t'hoverBorderColor',\r\n\t\t'hoverBorderWidth',\r\n\t\t'hoverRadius',\r\n\t\t'hitRadius',\r\n\t\t'pointStyle',\r\n\t\t'rotation'\r\n\t],\r\n\r\n\t/**\r\n\t * @protected\r\n\t */\r\n\tupdate: function(reset) {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar points = meta.data;\r\n\r\n\t\t// Update Points\r\n\t\thelpers$1.each(points, function(point, index) {\r\n\t\t\tme.updateElement(point, index, reset);\r\n\t\t});\r\n\t},\r\n\r\n\t/**\r\n\t * @protected\r\n\t */\r\n\tupdateElement: function(point, index, reset) {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar custom = point.custom || {};\r\n\t\tvar xScale = me.getScaleForId(meta.xAxisID);\r\n\t\tvar yScale = me.getScaleForId(meta.yAxisID);\r\n\t\tvar options = me._resolveDataElementOptions(point, index);\r\n\t\tvar data = me.getDataset().data[index];\r\n\t\tvar dsIndex = me.index;\r\n\r\n\t\tvar x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);\r\n\t\tvar y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);\r\n\r\n\t\tpoint._xScale = xScale;\r\n\t\tpoint._yScale = yScale;\r\n\t\tpoint._options = options;\r\n\t\tpoint._datasetIndex = dsIndex;\r\n\t\tpoint._index = index;\r\n\t\tpoint._model = {\r\n\t\t\tbackgroundColor: options.backgroundColor,\r\n\t\t\tborderColor: options.borderColor,\r\n\t\t\tborderWidth: options.borderWidth,\r\n\t\t\thitRadius: options.hitRadius,\r\n\t\t\tpointStyle: options.pointStyle,\r\n\t\t\trotation: options.rotation,\r\n\t\t\tradius: reset ? 0 : options.radius,\r\n\t\t\tskip: custom.skip || isNaN(x) || isNaN(y),\r\n\t\t\tx: x,\r\n\t\t\ty: y,\r\n\t\t};\r\n\r\n\t\tpoint.pivot();\r\n\t},\r\n\r\n\t/**\r\n\t * @protected\r\n\t */\r\n\tsetHoverStyle: function(point) {\r\n\t\tvar model = point._model;\r\n\t\tvar options = point._options;\r\n\t\tvar getHoverColor = helpers$1.getHoverColor;\r\n\r\n\t\tpoint.$previousStyle = {\r\n\t\t\tbackgroundColor: model.backgroundColor,\r\n\t\t\tborderColor: model.borderColor,\r\n\t\t\tborderWidth: model.borderWidth,\r\n\t\t\tradius: model.radius\r\n\t\t};\r\n\r\n\t\tmodel.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));\r\n\t\tmodel.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor));\r\n\t\tmodel.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth);\r\n\t\tmodel.radius = options.radius + options.hoverRadius;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_resolveDataElementOptions: function(point, index) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar custom = point.custom || {};\r\n\t\tvar data = dataset.data[index] || {};\r\n\t\tvar values = core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments);\r\n\r\n\t\t// Scriptable options\r\n\t\tvar context = {\r\n\t\t\tchart: chart,\r\n\t\t\tdataIndex: index,\r\n\t\t\tdataset: dataset,\r\n\t\t\tdatasetIndex: me.index\r\n\t\t};\r\n\r\n\t\t// In case values were cached (and thus frozen), we need to clone the values\r\n\t\tif (me._cachedDataOpts === values) {\r\n\t\t\tvalues = helpers$1.extend({}, values);\r\n\t\t}\r\n\r\n\t\t// Custom radius resolution\r\n\t\tvalues.radius = resolve$1([\r\n\t\t\tcustom.radius,\r\n\t\t\tdata.r,\r\n\t\t\tme._config.radius,\r\n\t\t\tchart.options.elements.point.radius\r\n\t\t], context, index);\r\n\r\n\t\treturn values;\r\n\t}\r\n});\n\nvar valueOrDefault$5 = helpers$1.valueOrDefault;\r\n\r\nvar PI$1 = Math.PI;\r\nvar DOUBLE_PI$1 = PI$1 * 2;\r\nvar HALF_PI$1 = PI$1 / 2;\r\n\r\ncore_defaults._set('doughnut', {\r\n\tanimation: {\r\n\t\t// Boolean - Whether we animate the rotation of the Doughnut\r\n\t\tanimateRotate: true,\r\n\t\t// Boolean - Whether we animate scaling the Doughnut from the centre\r\n\t\tanimateScale: false\r\n\t},\r\n\thover: {\r\n\t\tmode: 'single'\r\n\t},\r\n\tlegendCallback: function(chart) {\r\n\t\tvar list = document.createElement('ul');\r\n\t\tvar data = chart.data;\r\n\t\tvar datasets = data.datasets;\r\n\t\tvar labels = data.labels;\r\n\t\tvar i, ilen, listItem, listItemSpan;\r\n\r\n\t\tlist.setAttribute('class', chart.id + '-legend');\r\n\t\tif (datasets.length) {\r\n\t\t\tfor (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {\r\n\t\t\t\tlistItem = list.appendChild(document.createElement('li'));\r\n\t\t\t\tlistItemSpan = listItem.appendChild(document.createElement('span'));\r\n\t\t\t\tlistItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];\r\n\t\t\t\tif (labels[i]) {\r\n\t\t\t\t\tlistItem.appendChild(document.createTextNode(labels[i]));\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn list.outerHTML;\r\n\t},\r\n\tlegend: {\r\n\t\tlabels: {\r\n\t\t\tgenerateLabels: function(chart) {\r\n\t\t\t\tvar data = chart.data;\r\n\t\t\t\tif (data.labels.length && data.datasets.length) {\r\n\t\t\t\t\treturn data.labels.map(function(label, i) {\r\n\t\t\t\t\t\tvar meta = chart.getDatasetMeta(0);\r\n\t\t\t\t\t\tvar style = meta.controller.getStyle(i);\r\n\r\n\t\t\t\t\t\treturn {\r\n\t\t\t\t\t\t\ttext: label,\r\n\t\t\t\t\t\t\tfillStyle: style.backgroundColor,\r\n\t\t\t\t\t\t\tstrokeStyle: style.borderColor,\r\n\t\t\t\t\t\t\tlineWidth: style.borderWidth,\r\n\t\t\t\t\t\t\thidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,\r\n\r\n\t\t\t\t\t\t\t// Extra data used for toggling the correct item\r\n\t\t\t\t\t\t\tindex: i\r\n\t\t\t\t\t\t};\r\n\t\t\t\t\t});\r\n\t\t\t\t}\r\n\t\t\t\treturn [];\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\tonClick: function(e, legendItem) {\r\n\t\t\tvar index = legendItem.index;\r\n\t\t\tvar chart = this.chart;\r\n\t\t\tvar i, ilen, meta;\r\n\r\n\t\t\tfor (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\r\n\t\t\t\tmeta = chart.getDatasetMeta(i);\r\n\t\t\t\t// toggle visibility of index if exists\r\n\t\t\t\tif (meta.data[index]) {\r\n\t\t\t\t\tmeta.data[index].hidden = !meta.data[index].hidden;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\tchart.update();\r\n\t\t}\r\n\t},\r\n\r\n\t// The percentage of the chart that we cut out of the middle.\r\n\tcutoutPercentage: 50,\r\n\r\n\t// The rotation of the chart, where the first data arc begins.\r\n\trotation: -HALF_PI$1,\r\n\r\n\t// The total circumference of the chart.\r\n\tcircumference: DOUBLE_PI$1,\r\n\r\n\t// Need to override these to give a nice default\r\n\ttooltips: {\r\n\t\tcallbacks: {\r\n\t\t\ttitle: function() {\r\n\t\t\t\treturn '';\r\n\t\t\t},\r\n\t\t\tlabel: function(tooltipItem, data) {\r\n\t\t\t\tvar dataLabel = data.labels[tooltipItem.index];\r\n\t\t\t\tvar value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];\r\n\r\n\t\t\t\tif (helpers$1.isArray(dataLabel)) {\r\n\t\t\t\t\t// show value on first line of multiline label\r\n\t\t\t\t\t// need to clone because we are changing the value\r\n\t\t\t\t\tdataLabel = dataLabel.slice();\r\n\t\t\t\t\tdataLabel[0] += value;\r\n\t\t\t\t} else {\r\n\t\t\t\t\tdataLabel += value;\r\n\t\t\t\t}\r\n\r\n\t\t\t\treturn dataLabel;\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n});\r\n\r\nvar controller_doughnut = core_datasetController.extend({\r\n\r\n\tdataElementType: elements.Arc,\r\n\r\n\tlinkScales: helpers$1.noop,\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_dataElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderColor',\r\n\t\t'borderWidth',\r\n\t\t'borderAlign',\r\n\t\t'hoverBackgroundColor',\r\n\t\t'hoverBorderColor',\r\n\t\t'hoverBorderWidth',\r\n\t],\r\n\r\n\t// Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly\r\n\tgetRingIndex: function(datasetIndex) {\r\n\t\tvar ringIndex = 0;\r\n\r\n\t\tfor (var j = 0; j < datasetIndex; ++j) {\r\n\t\t\tif (this.chart.isDatasetVisible(j)) {\r\n\t\t\t\t++ringIndex;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn ringIndex;\r\n\t},\r\n\r\n\tupdate: function(reset) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar chartArea = chart.chartArea;\r\n\t\tvar opts = chart.options;\r\n\t\tvar ratioX = 1;\r\n\t\tvar ratioY = 1;\r\n\t\tvar offsetX = 0;\r\n\t\tvar offsetY = 0;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar arcs = meta.data;\r\n\t\tvar cutout = opts.cutoutPercentage / 100 || 0;\r\n\t\tvar circumference = opts.circumference;\r\n\t\tvar chartWeight = me._getRingWeight(me.index);\r\n\t\tvar maxWidth, maxHeight, i, ilen;\r\n\r\n\t\t// If the chart's circumference isn't a full circle, calculate size as a ratio of the width/height of the arc\r\n\t\tif (circumference < DOUBLE_PI$1) {\r\n\t\t\tvar startAngle = opts.rotation % DOUBLE_PI$1;\r\n\t\t\tstartAngle += startAngle >= PI$1 ? -DOUBLE_PI$1 : startAngle < -PI$1 ? DOUBLE_PI$1 : 0;\r\n\t\t\tvar endAngle = startAngle + circumference;\r\n\t\t\tvar startX = Math.cos(startAngle);\r\n\t\t\tvar startY = Math.sin(startAngle);\r\n\t\t\tvar endX = Math.cos(endAngle);\r\n\t\t\tvar endY = Math.sin(endAngle);\r\n\t\t\tvar contains0 = (startAngle <= 0 && endAngle >= 0) || endAngle >= DOUBLE_PI$1;\r\n\t\t\tvar contains90 = (startAngle <= HALF_PI$1 && endAngle >= HALF_PI$1) || endAngle >= DOUBLE_PI$1 + HALF_PI$1;\r\n\t\t\tvar contains180 = startAngle === -PI$1 || endAngle >= PI$1;\r\n\t\t\tvar contains270 = (startAngle <= -HALF_PI$1 && endAngle >= -HALF_PI$1) || endAngle >= PI$1 + HALF_PI$1;\r\n\t\t\tvar minX = contains180 ? -1 : Math.min(startX, startX * cutout, endX, endX * cutout);\r\n\t\t\tvar minY = contains270 ? -1 : Math.min(startY, startY * cutout, endY, endY * cutout);\r\n\t\t\tvar maxX = contains0 ? 1 : Math.max(startX, startX * cutout, endX, endX * cutout);\r\n\t\t\tvar maxY = contains90 ? 1 : Math.max(startY, startY * cutout, endY, endY * cutout);\r\n\t\t\tratioX = (maxX - minX) / 2;\r\n\t\t\tratioY = (maxY - minY) / 2;\r\n\t\t\toffsetX = -(maxX + minX) / 2;\r\n\t\t\toffsetY = -(maxY + minY) / 2;\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = arcs.length; i < ilen; ++i) {\r\n\t\t\tarcs[i]._options = me._resolveDataElementOptions(arcs[i], i);\r\n\t\t}\r\n\r\n\t\tchart.borderWidth = me.getMaxBorderWidth();\r\n\t\tmaxWidth = (chartArea.right - chartArea.left - chart.borderWidth) / ratioX;\r\n\t\tmaxHeight = (chartArea.bottom - chartArea.top - chart.borderWidth) / ratioY;\r\n\t\tchart.outerRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);\r\n\t\tchart.innerRadius = Math.max(chart.outerRadius * cutout, 0);\r\n\t\tchart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1);\r\n\t\tchart.offsetX = offsetX * chart.outerRadius;\r\n\t\tchart.offsetY = offsetY * chart.outerRadius;\r\n\r\n\t\tmeta.total = me.calculateTotal();\r\n\r\n\t\tme.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index);\r\n\t\tme.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0);\r\n\r\n\t\tfor (i = 0, ilen = arcs.length; i < ilen; ++i) {\r\n\t\t\tme.updateElement(arcs[i], i, reset);\r\n\t\t}\r\n\t},\r\n\r\n\tupdateElement: function(arc, index, reset) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar chartArea = chart.chartArea;\r\n\t\tvar opts = chart.options;\r\n\t\tvar animationOpts = opts.animation;\r\n\t\tvar centerX = (chartArea.left + chartArea.right) / 2;\r\n\t\tvar centerY = (chartArea.top + chartArea.bottom) / 2;\r\n\t\tvar startAngle = opts.rotation; // non reset case handled later\r\n\t\tvar endAngle = opts.rotation; // non reset case handled later\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / DOUBLE_PI$1);\r\n\t\tvar innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;\r\n\t\tvar outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;\r\n\t\tvar options = arc._options || {};\r\n\r\n\t\thelpers$1.extend(arc, {\r\n\t\t\t// Utility\r\n\t\t\t_datasetIndex: me.index,\r\n\t\t\t_index: index,\r\n\r\n\t\t\t// Desired view properties\r\n\t\t\t_model: {\r\n\t\t\t\tbackgroundColor: options.backgroundColor,\r\n\t\t\t\tborderColor: options.borderColor,\r\n\t\t\t\tborderWidth: options.borderWidth,\r\n\t\t\t\tborderAlign: options.borderAlign,\r\n\t\t\t\tx: centerX + chart.offsetX,\r\n\t\t\t\ty: centerY + chart.offsetY,\r\n\t\t\t\tstartAngle: startAngle,\r\n\t\t\t\tendAngle: endAngle,\r\n\t\t\t\tcircumference: circumference,\r\n\t\t\t\touterRadius: outerRadius,\r\n\t\t\t\tinnerRadius: innerRadius,\r\n\t\t\t\tlabel: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t\tvar model = arc._model;\r\n\r\n\t\t// Set correct angles if not resetting\r\n\t\tif (!reset || !animationOpts.animateRotate) {\r\n\t\t\tif (index === 0) {\r\n\t\t\t\tmodel.startAngle = opts.rotation;\r\n\t\t\t} else {\r\n\t\t\t\tmodel.startAngle = me.getMeta().data[index - 1]._model.endAngle;\r\n\t\t\t}\r\n\r\n\t\t\tmodel.endAngle = model.startAngle + model.circumference;\r\n\t\t}\r\n\r\n\t\tarc.pivot();\r\n\t},\r\n\r\n\tcalculateTotal: function() {\r\n\t\tvar dataset = this.getDataset();\r\n\t\tvar meta = this.getMeta();\r\n\t\tvar total = 0;\r\n\t\tvar value;\r\n\r\n\t\thelpers$1.each(meta.data, function(element, index) {\r\n\t\t\tvalue = dataset.data[index];\r\n\t\t\tif (!isNaN(value) && !element.hidden) {\r\n\t\t\t\ttotal += Math.abs(value);\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t\t/* if (total === 0) {\r\n\t\t\ttotal = NaN;\r\n\t\t}*/\r\n\r\n\t\treturn total;\r\n\t},\r\n\r\n\tcalculateCircumference: function(value) {\r\n\t\tvar total = this.getMeta().total;\r\n\t\tif (total > 0 && !isNaN(value)) {\r\n\t\t\treturn DOUBLE_PI$1 * (Math.abs(value) / total);\r\n\t\t}\r\n\t\treturn 0;\r\n\t},\r\n\r\n\t// gets the max border or hover width to properly scale pie charts\r\n\tgetMaxBorderWidth: function(arcs) {\r\n\t\tvar me = this;\r\n\t\tvar max = 0;\r\n\t\tvar chart = me.chart;\r\n\t\tvar i, ilen, meta, arc, controller, options, borderWidth, hoverWidth;\r\n\r\n\t\tif (!arcs) {\r\n\t\t\t// Find the outmost visible dataset\r\n\t\t\tfor (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {\r\n\t\t\t\tif (chart.isDatasetVisible(i)) {\r\n\t\t\t\t\tmeta = chart.getDatasetMeta(i);\r\n\t\t\t\t\tarcs = meta.data;\r\n\t\t\t\t\tif (i !== me.index) {\r\n\t\t\t\t\t\tcontroller = meta.controller;\r\n\t\t\t\t\t}\r\n\t\t\t\t\tbreak;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (!arcs) {\r\n\t\t\treturn 0;\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = arcs.length; i < ilen; ++i) {\r\n\t\t\tarc = arcs[i];\r\n\t\t\tif (controller) {\r\n\t\t\t\tcontroller._configure();\r\n\t\t\t\toptions = controller._resolveDataElementOptions(arc, i);\r\n\t\t\t} else {\r\n\t\t\t\toptions = arc._options;\r\n\t\t\t}\r\n\t\t\tif (options.borderAlign !== 'inner') {\r\n\t\t\t\tborderWidth = options.borderWidth;\r\n\t\t\t\thoverWidth = options.hoverBorderWidth;\r\n\r\n\t\t\t\tmax = borderWidth > max ? borderWidth : max;\r\n\t\t\t\tmax = hoverWidth > max ? hoverWidth : max;\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn max;\r\n\t},\r\n\r\n\t/**\r\n\t * @protected\r\n\t */\r\n\tsetHoverStyle: function(arc) {\r\n\t\tvar model = arc._model;\r\n\t\tvar options = arc._options;\r\n\t\tvar getHoverColor = helpers$1.getHoverColor;\r\n\r\n\t\tarc.$previousStyle = {\r\n\t\t\tbackgroundColor: model.backgroundColor,\r\n\t\t\tborderColor: model.borderColor,\r\n\t\t\tborderWidth: model.borderWidth,\r\n\t\t};\r\n\r\n\t\tmodel.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));\r\n\t\tmodel.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor));\r\n\t\tmodel.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth);\r\n\t},\r\n\r\n\t/**\r\n\t * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly\r\n\t * @private\r\n\t */\r\n\t_getRingWeightOffset: function(datasetIndex) {\r\n\t\tvar ringWeightOffset = 0;\r\n\r\n\t\tfor (var i = 0; i < datasetIndex; ++i) {\r\n\t\t\tif (this.chart.isDatasetVisible(i)) {\r\n\t\t\t\tringWeightOffset += this._getRingWeight(i);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn ringWeightOffset;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getRingWeight: function(dataSetIndex) {\r\n\t\treturn Math.max(valueOrDefault$5(this.chart.data.datasets[dataSetIndex].weight, 1), 0);\r\n\t},\r\n\r\n\t/**\r\n\t * Returns the sum of all visibile data set weights. This value can be 0.\r\n\t * @private\r\n\t */\r\n\t_getVisibleDatasetWeightTotal: function() {\r\n\t\treturn this._getRingWeightOffset(this.chart.data.datasets.length);\r\n\t}\r\n});\n\ncore_defaults._set('horizontalBar', {\r\n\thover: {\r\n\t\tmode: 'index',\r\n\t\taxis: 'y'\r\n\t},\r\n\r\n\tscales: {\r\n\t\txAxes: [{\r\n\t\t\ttype: 'linear',\r\n\t\t\tposition: 'bottom'\r\n\t\t}],\r\n\r\n\t\tyAxes: [{\r\n\t\t\ttype: 'category',\r\n\t\t\tposition: 'left',\r\n\t\t\toffset: true,\r\n\t\t\tgridLines: {\r\n\t\t\t\toffsetGridLines: true\r\n\t\t\t}\r\n\t\t}]\r\n\t},\r\n\r\n\telements: {\r\n\t\trectangle: {\r\n\t\t\tborderSkipped: 'left'\r\n\t\t}\r\n\t},\r\n\r\n\ttooltips: {\r\n\t\tmode: 'index',\r\n\t\taxis: 'y'\r\n\t}\r\n});\r\n\r\ncore_defaults._set('global', {\r\n\tdatasets: {\r\n\t\thorizontalBar: {\r\n\t\t\tcategoryPercentage: 0.8,\r\n\t\t\tbarPercentage: 0.9\r\n\t\t}\r\n\t}\r\n});\r\n\r\nvar controller_horizontalBar = controller_bar.extend({\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getValueScaleId: function() {\r\n\t\treturn this.getMeta().xAxisID;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getIndexScaleId: function() {\r\n\t\treturn this.getMeta().yAxisID;\r\n\t}\r\n});\n\nvar valueOrDefault$6 = helpers$1.valueOrDefault;\r\nvar resolve$2 = helpers$1.options.resolve;\r\nvar isPointInArea = helpers$1.canvas._isPointInArea;\r\n\r\ncore_defaults._set('line', {\r\n\tshowLines: true,\r\n\tspanGaps: false,\r\n\r\n\thover: {\r\n\t\tmode: 'label'\r\n\t},\r\n\r\n\tscales: {\r\n\t\txAxes: [{\r\n\t\t\ttype: 'category',\r\n\t\t\tid: 'x-axis-0'\r\n\t\t}],\r\n\t\tyAxes: [{\r\n\t\t\ttype: 'linear',\r\n\t\t\tid: 'y-axis-0'\r\n\t\t}]\r\n\t}\r\n});\r\n\r\nfunction scaleClip(scale, halfBorderWidth) {\r\n\tvar tickOpts = scale && scale.options.ticks || {};\r\n\tvar reverse = tickOpts.reverse;\r\n\tvar min = tickOpts.min === undefined ? halfBorderWidth : 0;\r\n\tvar max = tickOpts.max === undefined ? halfBorderWidth : 0;\r\n\treturn {\r\n\t\tstart: reverse ? max : min,\r\n\t\tend: reverse ? min : max\r\n\t};\r\n}\r\n\r\nfunction defaultClip(xScale, yScale, borderWidth) {\r\n\tvar halfBorderWidth = borderWidth / 2;\r\n\tvar x = scaleClip(xScale, halfBorderWidth);\r\n\tvar y = scaleClip(yScale, halfBorderWidth);\r\n\r\n\treturn {\r\n\t\ttop: y.end,\r\n\t\tright: x.end,\r\n\t\tbottom: y.start,\r\n\t\tleft: x.start\r\n\t};\r\n}\r\n\r\nfunction toClip(value) {\r\n\tvar t, r, b, l;\r\n\r\n\tif (helpers$1.isObject(value)) {\r\n\t\tt = value.top;\r\n\t\tr = value.right;\r\n\t\tb = value.bottom;\r\n\t\tl = value.left;\r\n\t} else {\r\n\t\tt = r = b = l = value;\r\n\t}\r\n\r\n\treturn {\r\n\t\ttop: t,\r\n\t\tright: r,\r\n\t\tbottom: b,\r\n\t\tleft: l\r\n\t};\r\n}\r\n\r\n\r\nvar controller_line = core_datasetController.extend({\r\n\r\n\tdatasetElementType: elements.Line,\r\n\r\n\tdataElementType: elements.Point,\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_datasetElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderCapStyle',\r\n\t\t'borderColor',\r\n\t\t'borderDash',\r\n\t\t'borderDashOffset',\r\n\t\t'borderJoinStyle',\r\n\t\t'borderWidth',\r\n\t\t'cubicInterpolationMode',\r\n\t\t'fill'\r\n\t],\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_dataElementOptions: {\r\n\t\tbackgroundColor: 'pointBackgroundColor',\r\n\t\tborderColor: 'pointBorderColor',\r\n\t\tborderWidth: 'pointBorderWidth',\r\n\t\thitRadius: 'pointHitRadius',\r\n\t\thoverBackgroundColor: 'pointHoverBackgroundColor',\r\n\t\thoverBorderColor: 'pointHoverBorderColor',\r\n\t\thoverBorderWidth: 'pointHoverBorderWidth',\r\n\t\thoverRadius: 'pointHoverRadius',\r\n\t\tpointStyle: 'pointStyle',\r\n\t\tradius: 'pointRadius',\r\n\t\trotation: 'pointRotation'\r\n\t},\r\n\r\n\tupdate: function(reset) {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar line = meta.dataset;\r\n\t\tvar points = meta.data || [];\r\n\t\tvar options = me.chart.options;\r\n\t\tvar config = me._config;\r\n\t\tvar showLine = me._showLine = valueOrDefault$6(config.showLine, options.showLines);\r\n\t\tvar i, ilen;\r\n\r\n\t\tme._xScale = me.getScaleForId(meta.xAxisID);\r\n\t\tme._yScale = me.getScaleForId(meta.yAxisID);\r\n\r\n\t\t// Update Line\r\n\t\tif (showLine) {\r\n\t\t\t// Compatibility: If the properties are defined with only the old name, use those values\r\n\t\t\tif (config.tension !== undefined && config.lineTension === undefined) {\r\n\t\t\t\tconfig.lineTension = config.tension;\r\n\t\t\t}\r\n\r\n\t\t\t// Utility\r\n\t\t\tline._scale = me._yScale;\r\n\t\t\tline._datasetIndex = me.index;\r\n\t\t\t// Data\r\n\t\t\tline._children = points;\r\n\t\t\t// Model\r\n\t\t\tline._model = me._resolveDatasetElementOptions(line);\r\n\r\n\t\t\tline.pivot();\r\n\t\t}\r\n\r\n\t\t// Update Points\r\n\t\tfor (i = 0, ilen = points.length; i < ilen; ++i) {\r\n\t\t\tme.updateElement(points[i], i, reset);\r\n\t\t}\r\n\r\n\t\tif (showLine && line._model.tension !== 0) {\r\n\t\t\tme.updateBezierControlPoints();\r\n\t\t}\r\n\r\n\t\t// Now pivot the point for animation\r\n\t\tfor (i = 0, ilen = points.length; i < ilen; ++i) {\r\n\t\t\tpoints[i].pivot();\r\n\t\t}\r\n\t},\r\n\r\n\tupdateElement: function(point, index, reset) {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar custom = point.custom || {};\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar datasetIndex = me.index;\r\n\t\tvar value = dataset.data[index];\r\n\t\tvar xScale = me._xScale;\r\n\t\tvar yScale = me._yScale;\r\n\t\tvar lineModel = meta.dataset._model;\r\n\t\tvar x, y;\r\n\r\n\t\tvar options = me._resolveDataElementOptions(point, index);\r\n\r\n\t\tx = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);\r\n\t\ty = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);\r\n\r\n\t\t// Utility\r\n\t\tpoint._xScale = xScale;\r\n\t\tpoint._yScale = yScale;\r\n\t\tpoint._options = options;\r\n\t\tpoint._datasetIndex = datasetIndex;\r\n\t\tpoint._index = index;\r\n\r\n\t\t// Desired view properties\r\n\t\tpoint._model = {\r\n\t\t\tx: x,\r\n\t\t\ty: y,\r\n\t\t\tskip: custom.skip || isNaN(x) || isNaN(y),\r\n\t\t\t// Appearance\r\n\t\t\tradius: options.radius,\r\n\t\t\tpointStyle: options.pointStyle,\r\n\t\t\trotation: options.rotation,\r\n\t\t\tbackgroundColor: options.backgroundColor,\r\n\t\t\tborderColor: options.borderColor,\r\n\t\t\tborderWidth: options.borderWidth,\r\n\t\t\ttension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0),\r\n\t\t\tsteppedLine: lineModel ? lineModel.steppedLine : false,\r\n\t\t\t// Tooltip\r\n\t\t\thitRadius: options.hitRadius\r\n\t\t};\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_resolveDatasetElementOptions: function(element) {\r\n\t\tvar me = this;\r\n\t\tvar config = me._config;\r\n\t\tvar custom = element.custom || {};\r\n\t\tvar options = me.chart.options;\r\n\t\tvar lineOptions = options.elements.line;\r\n\t\tvar values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);\r\n\r\n\t\t// The default behavior of lines is to break at null values, according\r\n\t\t// to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158\r\n\t\t// This option gives lines the ability to span gaps\r\n\t\tvalues.spanGaps = valueOrDefault$6(config.spanGaps, options.spanGaps);\r\n\t\tvalues.tension = valueOrDefault$6(config.lineTension, lineOptions.tension);\r\n\t\tvalues.steppedLine = resolve$2([custom.steppedLine, config.steppedLine, lineOptions.stepped]);\r\n\t\tvalues.clip = toClip(valueOrDefault$6(config.clip, defaultClip(me._xScale, me._yScale, values.borderWidth)));\r\n\r\n\t\treturn values;\r\n\t},\r\n\r\n\tcalculatePointY: function(value, index, datasetIndex) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar yScale = me._yScale;\r\n\t\tvar sumPos = 0;\r\n\t\tvar sumNeg = 0;\r\n\t\tvar i, ds, dsMeta, stackedRightValue, rightValue, metasets, ilen;\r\n\r\n\t\tif (yScale.options.stacked) {\r\n\t\t\trightValue = +yScale.getRightValue(value);\r\n\t\t\tmetasets = chart._getSortedVisibleDatasetMetas();\r\n\t\t\tilen = metasets.length;\r\n\r\n\t\t\tfor (i = 0; i < ilen; ++i) {\r\n\t\t\t\tdsMeta = metasets[i];\r\n\t\t\t\tif (dsMeta.index === datasetIndex) {\r\n\t\t\t\t\tbreak;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tds = chart.data.datasets[dsMeta.index];\r\n\t\t\t\tif (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id) {\r\n\t\t\t\t\tstackedRightValue = +yScale.getRightValue(ds.data[index]);\r\n\t\t\t\t\tif (stackedRightValue < 0) {\r\n\t\t\t\t\t\tsumNeg += stackedRightValue || 0;\r\n\t\t\t\t\t} else {\r\n\t\t\t\t\t\tsumPos += stackedRightValue || 0;\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\tif (rightValue < 0) {\r\n\t\t\t\treturn yScale.getPixelForValue(sumNeg + rightValue);\r\n\t\t\t}\r\n\t\t\treturn yScale.getPixelForValue(sumPos + rightValue);\r\n\t\t}\r\n\t\treturn yScale.getPixelForValue(value);\r\n\t},\r\n\r\n\tupdateBezierControlPoints: function() {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar lineModel = meta.dataset._model;\r\n\t\tvar area = chart.chartArea;\r\n\t\tvar points = meta.data || [];\r\n\t\tvar i, ilen, model, controlPoints;\r\n\r\n\t\t// Only consider points that are drawn in case the spanGaps option is used\r\n\t\tif (lineModel.spanGaps) {\r\n\t\t\tpoints = points.filter(function(pt) {\r\n\t\t\t\treturn !pt._model.skip;\r\n\t\t\t});\r\n\t\t}\r\n\r\n\t\tfunction capControlPoint(pt, min, max) {\r\n\t\t\treturn Math.max(Math.min(pt, max), min);\r\n\t\t}\r\n\r\n\t\tif (lineModel.cubicInterpolationMode === 'monotone') {\r\n\t\t\thelpers$1.splineCurveMonotone(points);\r\n\t\t} else {\r\n\t\t\tfor (i = 0, ilen = points.length; i < ilen; ++i) {\r\n\t\t\t\tmodel = points[i]._model;\r\n\t\t\t\tcontrolPoints = helpers$1.splineCurve(\r\n\t\t\t\t\thelpers$1.previousItem(points, i)._model,\r\n\t\t\t\t\tmodel,\r\n\t\t\t\t\thelpers$1.nextItem(points, i)._model,\r\n\t\t\t\t\tlineModel.tension\r\n\t\t\t\t);\r\n\t\t\t\tmodel.controlPointPreviousX = controlPoints.previous.x;\r\n\t\t\t\tmodel.controlPointPreviousY = controlPoints.previous.y;\r\n\t\t\t\tmodel.controlPointNextX = controlPoints.next.x;\r\n\t\t\t\tmodel.controlPointNextY = controlPoints.next.y;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (chart.options.elements.line.capBezierPoints) {\r\n\t\t\tfor (i = 0, ilen = points.length; i < ilen; ++i) {\r\n\t\t\t\tmodel = points[i]._model;\r\n\t\t\t\tif (isPointInArea(model, area)) {\r\n\t\t\t\t\tif (i > 0 && isPointInArea(points[i - 1]._model, area)) {\r\n\t\t\t\t\t\tmodel.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);\r\n\t\t\t\t\t\tmodel.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);\r\n\t\t\t\t\t}\r\n\t\t\t\t\tif (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) {\r\n\t\t\t\t\t\tmodel.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);\r\n\t\t\t\t\t\tmodel.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\t},\r\n\r\n\tdraw: function() {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar points = meta.data || [];\r\n\t\tvar area = chart.chartArea;\r\n\t\tvar canvas = chart.canvas;\r\n\t\tvar i = 0;\r\n\t\tvar ilen = points.length;\r\n\t\tvar clip;\r\n\r\n\t\tif (me._showLine) {\r\n\t\t\tclip = meta.dataset._model.clip;\r\n\r\n\t\t\thelpers$1.canvas.clipArea(chart.ctx, {\r\n\t\t\t\tleft: clip.left === false ? 0 : area.left - clip.left,\r\n\t\t\t\tright: clip.right === false ? canvas.width : area.right + clip.right,\r\n\t\t\t\ttop: clip.top === false ? 0 : area.top - clip.top,\r\n\t\t\t\tbottom: clip.bottom === false ? canvas.height : area.bottom + clip.bottom\r\n\t\t\t});\r\n\r\n\t\t\tmeta.dataset.draw();\r\n\r\n\t\t\thelpers$1.canvas.unclipArea(chart.ctx);\r\n\t\t}\r\n\r\n\t\t// Draw the points\r\n\t\tfor (; i < ilen; ++i) {\r\n\t\t\tpoints[i].draw(area);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @protected\r\n\t */\r\n\tsetHoverStyle: function(point) {\r\n\t\tvar model = point._model;\r\n\t\tvar options = point._options;\r\n\t\tvar getHoverColor = helpers$1.getHoverColor;\r\n\r\n\t\tpoint.$previousStyle = {\r\n\t\t\tbackgroundColor: model.backgroundColor,\r\n\t\t\tborderColor: model.borderColor,\r\n\t\t\tborderWidth: model.borderWidth,\r\n\t\t\tradius: model.radius\r\n\t\t};\r\n\r\n\t\tmodel.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));\r\n\t\tmodel.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor));\r\n\t\tmodel.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth);\r\n\t\tmodel.radius = valueOrDefault$6(options.hoverRadius, options.radius);\r\n\t},\r\n});\n\nvar resolve$3 = helpers$1.options.resolve;\r\n\r\ncore_defaults._set('polarArea', {\r\n\tscale: {\r\n\t\ttype: 'radialLinear',\r\n\t\tangleLines: {\r\n\t\t\tdisplay: false\r\n\t\t},\r\n\t\tgridLines: {\r\n\t\t\tcircular: true\r\n\t\t},\r\n\t\tpointLabels: {\r\n\t\t\tdisplay: false\r\n\t\t},\r\n\t\tticks: {\r\n\t\t\tbeginAtZero: true\r\n\t\t}\r\n\t},\r\n\r\n\t// Boolean - Whether to animate the rotation of the chart\r\n\tanimation: {\r\n\t\tanimateRotate: true,\r\n\t\tanimateScale: true\r\n\t},\r\n\r\n\tstartAngle: -0.5 * Math.PI,\r\n\tlegendCallback: function(chart) {\r\n\t\tvar list = document.createElement('ul');\r\n\t\tvar data = chart.data;\r\n\t\tvar datasets = data.datasets;\r\n\t\tvar labels = data.labels;\r\n\t\tvar i, ilen, listItem, listItemSpan;\r\n\r\n\t\tlist.setAttribute('class', chart.id + '-legend');\r\n\t\tif (datasets.length) {\r\n\t\t\tfor (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {\r\n\t\t\t\tlistItem = list.appendChild(document.createElement('li'));\r\n\t\t\t\tlistItemSpan = listItem.appendChild(document.createElement('span'));\r\n\t\t\t\tlistItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];\r\n\t\t\t\tif (labels[i]) {\r\n\t\t\t\t\tlistItem.appendChild(document.createTextNode(labels[i]));\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn list.outerHTML;\r\n\t},\r\n\tlegend: {\r\n\t\tlabels: {\r\n\t\t\tgenerateLabels: function(chart) {\r\n\t\t\t\tvar data = chart.data;\r\n\t\t\t\tif (data.labels.length && data.datasets.length) {\r\n\t\t\t\t\treturn data.labels.map(function(label, i) {\r\n\t\t\t\t\t\tvar meta = chart.getDatasetMeta(0);\r\n\t\t\t\t\t\tvar style = meta.controller.getStyle(i);\r\n\r\n\t\t\t\t\t\treturn {\r\n\t\t\t\t\t\t\ttext: label,\r\n\t\t\t\t\t\t\tfillStyle: style.backgroundColor,\r\n\t\t\t\t\t\t\tstrokeStyle: style.borderColor,\r\n\t\t\t\t\t\t\tlineWidth: style.borderWidth,\r\n\t\t\t\t\t\t\thidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,\r\n\r\n\t\t\t\t\t\t\t// Extra data used for toggling the correct item\r\n\t\t\t\t\t\t\tindex: i\r\n\t\t\t\t\t\t};\r\n\t\t\t\t\t});\r\n\t\t\t\t}\r\n\t\t\t\treturn [];\r\n\t\t\t}\r\n\t\t},\r\n\r\n\t\tonClick: function(e, legendItem) {\r\n\t\t\tvar index = legendItem.index;\r\n\t\t\tvar chart = this.chart;\r\n\t\t\tvar i, ilen, meta;\r\n\r\n\t\t\tfor (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\r\n\t\t\t\tmeta = chart.getDatasetMeta(i);\r\n\t\t\t\tmeta.data[index].hidden = !meta.data[index].hidden;\r\n\t\t\t}\r\n\r\n\t\t\tchart.update();\r\n\t\t}\r\n\t},\r\n\r\n\t// Need to override these to give a nice default\r\n\ttooltips: {\r\n\t\tcallbacks: {\r\n\t\t\ttitle: function() {\r\n\t\t\t\treturn '';\r\n\t\t\t},\r\n\t\t\tlabel: function(item, data) {\r\n\t\t\t\treturn data.labels[item.index] + ': ' + item.yLabel;\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n});\r\n\r\nvar controller_polarArea = core_datasetController.extend({\r\n\r\n\tdataElementType: elements.Arc,\r\n\r\n\tlinkScales: helpers$1.noop,\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_dataElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderColor',\r\n\t\t'borderWidth',\r\n\t\t'borderAlign',\r\n\t\t'hoverBackgroundColor',\r\n\t\t'hoverBorderColor',\r\n\t\t'hoverBorderWidth',\r\n\t],\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getIndexScaleId: function() {\r\n\t\treturn this.chart.scale.id;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getValueScaleId: function() {\r\n\t\treturn this.chart.scale.id;\r\n\t},\r\n\r\n\tupdate: function(reset) {\r\n\t\tvar me = this;\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar start = me.chart.options.startAngle || 0;\r\n\t\tvar starts = me._starts = [];\r\n\t\tvar angles = me._angles = [];\r\n\t\tvar arcs = meta.data;\r\n\t\tvar i, ilen, angle;\r\n\r\n\t\tme._updateRadius();\r\n\r\n\t\tmeta.count = me.countVisibleElements();\r\n\r\n\t\tfor (i = 0, ilen = dataset.data.length; i < ilen; i++) {\r\n\t\t\tstarts[i] = start;\r\n\t\t\tangle = me._computeAngle(i);\r\n\t\t\tangles[i] = angle;\r\n\t\t\tstart += angle;\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = arcs.length; i < ilen; ++i) {\r\n\t\t\tarcs[i]._options = me._resolveDataElementOptions(arcs[i], i);\r\n\t\t\tme.updateElement(arcs[i], i, reset);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_updateRadius: function() {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar chartArea = chart.chartArea;\r\n\t\tvar opts = chart.options;\r\n\t\tvar minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\r\n\r\n\t\tchart.outerRadius = Math.max(minSize / 2, 0);\r\n\t\tchart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);\r\n\t\tchart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\r\n\r\n\t\tme.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);\r\n\t\tme.innerRadius = me.outerRadius - chart.radiusLength;\r\n\t},\r\n\r\n\tupdateElement: function(arc, index, reset) {\r\n\t\tvar me = this;\r\n\t\tvar chart = me.chart;\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar opts = chart.options;\r\n\t\tvar animationOpts = opts.animation;\r\n\t\tvar scale = chart.scale;\r\n\t\tvar labels = chart.data.labels;\r\n\r\n\t\tvar centerX = scale.xCenter;\r\n\t\tvar centerY = scale.yCenter;\r\n\r\n\t\t// var negHalfPI = -0.5 * Math.PI;\r\n\t\tvar datasetStartAngle = opts.startAngle;\r\n\t\tvar distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\r\n\t\tvar startAngle = me._starts[index];\r\n\t\tvar endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]);\r\n\r\n\t\tvar resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\r\n\t\tvar options = arc._options || {};\r\n\r\n\t\thelpers$1.extend(arc, {\r\n\t\t\t// Utility\r\n\t\t\t_datasetIndex: me.index,\r\n\t\t\t_index: index,\r\n\t\t\t_scale: scale,\r\n\r\n\t\t\t// Desired view properties\r\n\t\t\t_model: {\r\n\t\t\t\tbackgroundColor: options.backgroundColor,\r\n\t\t\t\tborderColor: options.borderColor,\r\n\t\t\t\tborderWidth: options.borderWidth,\r\n\t\t\t\tborderAlign: options.borderAlign,\r\n\t\t\t\tx: centerX,\r\n\t\t\t\ty: centerY,\r\n\t\t\t\tinnerRadius: 0,\r\n\t\t\t\touterRadius: reset ? resetRadius : distance,\r\n\t\t\t\tstartAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,\r\n\t\t\t\tendAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,\r\n\t\t\t\tlabel: helpers$1.valueAtIndexOrDefault(labels, index, labels[index])\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t\tarc.pivot();\r\n\t},\r\n\r\n\tcountVisibleElements: function() {\r\n\t\tvar dataset = this.getDataset();\r\n\t\tvar meta = this.getMeta();\r\n\t\tvar count = 0;\r\n\r\n\t\thelpers$1.each(meta.data, function(element, index) {\r\n\t\t\tif (!isNaN(dataset.data[index]) && !element.hidden) {\r\n\t\t\t\tcount++;\r\n\t\t\t}\r\n\t\t});\r\n\r\n\t\treturn count;\r\n\t},\r\n\r\n\t/**\r\n\t * @protected\r\n\t */\r\n\tsetHoverStyle: function(arc) {\r\n\t\tvar model = arc._model;\r\n\t\tvar options = arc._options;\r\n\t\tvar getHoverColor = helpers$1.getHoverColor;\r\n\t\tvar valueOrDefault = helpers$1.valueOrDefault;\r\n\r\n\t\tarc.$previousStyle = {\r\n\t\t\tbackgroundColor: model.backgroundColor,\r\n\t\t\tborderColor: model.borderColor,\r\n\t\t\tborderWidth: model.borderWidth,\r\n\t\t};\r\n\r\n\t\tmodel.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));\r\n\t\tmodel.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor));\r\n\t\tmodel.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth);\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_computeAngle: function(index) {\r\n\t\tvar me = this;\r\n\t\tvar count = this.getMeta().count;\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar meta = me.getMeta();\r\n\r\n\t\tif (isNaN(dataset.data[index]) || meta.data[index].hidden) {\r\n\t\t\treturn 0;\r\n\t\t}\r\n\r\n\t\t// Scriptable options\r\n\t\tvar context = {\r\n\t\t\tchart: me.chart,\r\n\t\t\tdataIndex: index,\r\n\t\t\tdataset: dataset,\r\n\t\t\tdatasetIndex: me.index\r\n\t\t};\r\n\r\n\t\treturn resolve$3([\r\n\t\t\tme.chart.options.elements.arc.angle,\r\n\t\t\t(2 * Math.PI) / count\r\n\t\t], context, index);\r\n\t}\r\n});\n\ncore_defaults._set('pie', helpers$1.clone(core_defaults.doughnut));\r\ncore_defaults._set('pie', {\r\n\tcutoutPercentage: 0\r\n});\r\n\r\n// Pie charts are Doughnut chart with different defaults\r\nvar controller_pie = controller_doughnut;\n\nvar valueOrDefault$7 = helpers$1.valueOrDefault;\r\n\r\ncore_defaults._set('radar', {\r\n\tspanGaps: false,\r\n\tscale: {\r\n\t\ttype: 'radialLinear'\r\n\t},\r\n\telements: {\r\n\t\tline: {\r\n\t\t\tfill: 'start',\r\n\t\t\ttension: 0 // no bezier in radar\r\n\t\t}\r\n\t}\r\n});\r\n\r\nvar controller_radar = core_datasetController.extend({\r\n\tdatasetElementType: elements.Line,\r\n\r\n\tdataElementType: elements.Point,\r\n\r\n\tlinkScales: helpers$1.noop,\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_datasetElementOptions: [\r\n\t\t'backgroundColor',\r\n\t\t'borderWidth',\r\n\t\t'borderColor',\r\n\t\t'borderCapStyle',\r\n\t\t'borderDash',\r\n\t\t'borderDashOffset',\r\n\t\t'borderJoinStyle',\r\n\t\t'fill'\r\n\t],\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_dataElementOptions: {\r\n\t\tbackgroundColor: 'pointBackgroundColor',\r\n\t\tborderColor: 'pointBorderColor',\r\n\t\tborderWidth: 'pointBorderWidth',\r\n\t\thitRadius: 'pointHitRadius',\r\n\t\thoverBackgroundColor: 'pointHoverBackgroundColor',\r\n\t\thoverBorderColor: 'pointHoverBorderColor',\r\n\t\thoverBorderWidth: 'pointHoverBorderWidth',\r\n\t\thoverRadius: 'pointHoverRadius',\r\n\t\tpointStyle: 'pointStyle',\r\n\t\tradius: 'pointRadius',\r\n\t\trotation: 'pointRotation'\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getIndexScaleId: function() {\r\n\t\treturn this.chart.scale.id;\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_getValueScaleId: function() {\r\n\t\treturn this.chart.scale.id;\r\n\t},\r\n\r\n\tupdate: function(reset) {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar line = meta.dataset;\r\n\t\tvar points = meta.data || [];\r\n\t\tvar scale = me.chart.scale;\r\n\t\tvar config = me._config;\r\n\t\tvar i, ilen;\r\n\r\n\t\t// Compatibility: If the properties are defined with only the old name, use those values\r\n\t\tif (config.tension !== undefined && config.lineTension === undefined) {\r\n\t\t\tconfig.lineTension = config.tension;\r\n\t\t}\r\n\r\n\t\t// Utility\r\n\t\tline._scale = scale;\r\n\t\tline._datasetIndex = me.index;\r\n\t\t// Data\r\n\t\tline._children = points;\r\n\t\tline._loop = true;\r\n\t\t// Model\r\n\t\tline._model = me._resolveDatasetElementOptions(line);\r\n\r\n\t\tline.pivot();\r\n\r\n\t\t// Update Points\r\n\t\tfor (i = 0, ilen = points.length; i < ilen; ++i) {\r\n\t\t\tme.updateElement(points[i], i, reset);\r\n\t\t}\r\n\r\n\t\t// Update bezier control points\r\n\t\tme.updateBezierControlPoints();\r\n\r\n\t\t// Now pivot the point for animation\r\n\t\tfor (i = 0, ilen = points.length; i < ilen; ++i) {\r\n\t\t\tpoints[i].pivot();\r\n\t\t}\r\n\t},\r\n\r\n\tupdateElement: function(point, index, reset) {\r\n\t\tvar me = this;\r\n\t\tvar custom = point.custom || {};\r\n\t\tvar dataset = me.getDataset();\r\n\t\tvar scale = me.chart.scale;\r\n\t\tvar pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);\r\n\t\tvar options = me._resolveDataElementOptions(point, index);\r\n\t\tvar lineModel = me.getMeta().dataset._model;\r\n\t\tvar x = reset ? scale.xCenter : pointPosition.x;\r\n\t\tvar y = reset ? scale.yCenter : pointPosition.y;\r\n\r\n\t\t// Utility\r\n\t\tpoint._scale = scale;\r\n\t\tpoint._options = options;\r\n\t\tpoint._datasetIndex = me.index;\r\n\t\tpoint._index = index;\r\n\r\n\t\t// Desired view properties\r\n\t\tpoint._model = {\r\n\t\t\tx: x, // value not used in dataset scale, but we want a consistent API between scales\r\n\t\t\ty: y,\r\n\t\t\tskip: custom.skip || isNaN(x) || isNaN(y),\r\n\t\t\t// Appearance\r\n\t\t\tradius: options.radius,\r\n\t\t\tpointStyle: options.pointStyle,\r\n\t\t\trotation: options.rotation,\r\n\t\t\tbackgroundColor: options.backgroundColor,\r\n\t\t\tborderColor: options.borderColor,\r\n\t\t\tborderWidth: options.borderWidth,\r\n\t\t\ttension: valueOrDefault$7(custom.tension, lineModel ? lineModel.tension : 0),\r\n\r\n\t\t\t// Tooltip\r\n\t\t\thitRadius: options.hitRadius\r\n\t\t};\r\n\t},\r\n\r\n\t/**\r\n\t * @private\r\n\t */\r\n\t_resolveDatasetElementOptions: function() {\r\n\t\tvar me = this;\r\n\t\tvar config = me._config;\r\n\t\tvar options = me.chart.options;\r\n\t\tvar values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);\r\n\r\n\t\tvalues.spanGaps = valueOrDefault$7(config.spanGaps, options.spanGaps);\r\n\t\tvalues.tension = valueOrDefault$7(config.lineTension, options.elements.line.tension);\r\n\r\n\t\treturn values;\r\n\t},\r\n\r\n\tupdateBezierControlPoints: function() {\r\n\t\tvar me = this;\r\n\t\tvar meta = me.getMeta();\r\n\t\tvar area = me.chart.chartArea;\r\n\t\tvar points = meta.data || [];\r\n\t\tvar i, ilen, model, controlPoints;\r\n\r\n\t\t// Only consider points that are drawn in case the spanGaps option is used\r\n\t\tif (meta.dataset._model.spanGaps) {\r\n\t\t\tpoints = points.filter(function(pt) {\r\n\t\t\t\treturn !pt._model.skip;\r\n\t\t\t});\r\n\t\t}\r\n\r\n\t\tfunction capControlPoint(pt, min, max) {\r\n\t\t\treturn Math.max(Math.min(pt, max), min);\r\n\t\t}\r\n\r\n\t\tfor (i = 0, ilen = points.length; i < ilen; ++i) {\r\n\t\t\tmodel = points[i]._model;\r\n\t\t\tcontrolPoints = helpers$1.splineCurve(\r\n\t\t\t\thelpers$1.previousItem(points, i, true)._model,\r\n\t\t\t\tmodel,\r\n\t\t\t\thelpers$1.nextItem(points, i, true)._model,\r\n\t\t\t\tmodel.tension\r\n\t\t\t);\r\n\r\n\t\t\t// Prevent the bezier going outside of the bounds of the graph\r\n\t\t\tmodel.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right);\r\n\t\t\tmodel.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom);\r\n\t\t\tmodel.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right);\r\n\t\t\tmodel.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom);\r\n\t\t}\r\n\t},\r\n\r\n\tsetHoverStyle: function(point) {\r\n\t\tvar model = point._model;\r\n\t\tvar options = point._options;\r\n\t\tvar getHoverColor = helpers$1.getHoverColor;\r\n\r\n\t\tpoint.$previousStyle = {\r\n\t\t\tbackgroundColor: model.backgroundColor,\r\n\t\t\tborderColor: model.borderColor,\r\n\t\t\tborderWidth: model.borderWidth,\r\n\t\t\tradius: model.radius\r\n\t\t};\r\n\r\n\t\tmodel.backgroundColor = valueOrDefault$7(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));\r\n\t\tmodel.borderColor = valueOrDefault$7(options.hoverBorderColor, getHoverColor(options.borderColor));\r\n\t\tmodel.borderWidth = valueOrDefault$7(options.hoverBorderWidth, options.borderWidth);\r\n\t\tmodel.radius = valueOrDefault$7(options.hoverRadius, options.radius);\r\n\t}\r\n});\n\ncore_defaults._set('scatter', {\r\n\thover: {\r\n\t\tmode: 'single'\r\n\t},\r\n\r\n\tscales: {\r\n\t\txAxes: [{\r\n\t\t\tid: 'x-axis-1', // need an ID so datasets can reference the scale\r\n\t\t\ttype: 'linear', // scatter should not use a category axis\r\n\t\t\tposition: 'bottom'\r\n\t\t}],\r\n\t\tyAxes: [{\r\n\t\t\tid: 'y-axis-1',\r\n\t\t\ttype: 'linear',\r\n\t\t\tposition: 'left'\r\n\t\t}]\r\n\t},\r\n\r\n\ttooltips: {\r\n\t\tcallbacks: {\r\n\t\t\ttitle: function() {\r\n\t\t\t\treturn ''; // doesn't make sense for scatter since data are formatted as a point\r\n\t\t\t},\r\n\t\t\tlabel: function(item) {\r\n\t\t\t\treturn '(' + item.xLabel + ', ' + item.yLabel + ')';\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n});\r\n\r\ncore_defaults._set('global', {\r\n\tdatasets: {\r\n\t\tscatter: {\r\n\t\t\tshowLine: false\r\n\t\t}\r\n\t}\r\n});\r\n\r\n// Scatter charts use line controllers\r\nvar controller_scatter = controller_line;\n\n// NOTE export a map in which the key represents the controller type, not\r\n// the class, and so must be CamelCase in order to be correctly retrieved\r\n// by the controller in core.controller.js (`controllers[meta.type]`).\r\n\r\nvar controllers = {\r\n\tbar: controller_bar,\r\n\tbubble: controller_bubble,\r\n\tdoughnut: controller_doughnut,\r\n\thorizontalBar: controller_horizontalBar,\r\n\tline: controller_line,\r\n\tpolarArea: controller_polarArea,\r\n\tpie: controller_pie,\r\n\tradar: controller_radar,\r\n\tscatter: controller_scatter\r\n};\n\n/**\r\n * Helper function to get relative position for an event\r\n * @param {Event|IEvent} event - The event to get the position for\r\n * @param {Chart} chart - The chart\r\n * @returns {object} the event position\r\n */\r\nfunction getRelativePosition(e, chart) {\r\n\tif (e.native) {\r\n\t\treturn {\r\n\t\t\tx: e.x,\r\n\t\t\ty: e.y\r\n\t\t};\r\n\t}\r\n\r\n\treturn helpers$1.getRelativePosition(e, chart);\r\n}\r\n\r\n/**\r\n * Helper function to traverse all of the visible elements in the chart\r\n * @param {Chart} chart - the chart\r\n * @param {function} handler - the callback to execute for each visible item\r\n */\r\nfunction parseVisibleItems(chart, handler) {\r\n\tvar metasets = chart._getSortedVisibleDatasetMetas();\r\n\tvar metadata, i, j, ilen, jlen, element;\r\n\r\n\tfor (i = 0, ilen = metasets.length; i < ilen; ++i) {\r\n\t\tmetadata = metasets[i].data;\r\n\t\tfor (j = 0, jlen = metadata.length; j < jlen; ++j) {\r\n\t\t\telement = metadata[j];\r\n\t\t\tif (!element._view.skip) {\r\n\t\t\t\thandler(element);\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n}\r\n\r\n/**\r\n * Helper function to get the items that intersect the event position\r\n * @param {ChartElement[]} items - elements to filter\r\n * @param {object} position - the point to be nearest to\r\n * @return {ChartElement[]} the nearest items\r\n */\r\nfunction getIntersectItems(chart, position) {\r\n\tvar elements = [];\r\n\r\n\tparseVisibleItems(chart, function(element) {\r\n\t\tif (element.inRange(position.x, position.y)) {\r\n\t\t\telements.push(element);\r\n\t\t}\r\n\t});\r\n\r\n\treturn elements;\r\n}\r\n\r\n/**\r\n * Helper function to get the items nearest to the event position considering all visible items in teh chart\r\n * @param {Chart} chart - the chart to look at elements from\r\n * @param {object} position - the point to be nearest to\r\n * @param {boolean} intersect - if true, only consider items that intersect the position\r\n * @param {function} distanceMetric - function to provide the distance between points\r\n * @return {ChartElement[]} the nearest items\r\n */\r\nfunction getNearestItems(chart, position, intersect, distanceMetric) {\r\n\tvar minDistance = Number.POSITIVE_INFINITY;\r\n\tvar nearestItems = [];\r\n\r\n\tparseVisibleItems(chart, function(element) {\r\n\t\tif (intersect && !element.inRange(position.x, position.y)) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar center = element.getCenterPoint();\r\n\t\tvar distance = distanceMetric(position, center);\r\n\t\tif (distance < minDistance) {\r\n\t\t\tnearestItems = [element];\r\n\t\t\tminDistance = distance;\r\n\t\t} else if (distance === minDistance) {\r\n\t\t\t// Can have multiple items at the same distance in which case we sort by size\r\n\t\t\tnearestItems.push(element);\r\n\t\t}\r\n\t});\r\n\r\n\treturn nearestItems;\r\n}\r\n\r\n/**\r\n * Get a distance metric function for two points based on the\r\n * axis mode setting\r\n * @param {string} axis - the axis mode. x|y|xy\r\n */\r\nfunction getDistanceMetricForAxis(axis) {\r\n\tvar useX = axis.indexOf('x') !== -1;\r\n\tvar useY = axis.indexOf('y') !== -1;\r\n\r\n\treturn function(pt1, pt2) {\r\n\t\tvar deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\r\n\t\tvar deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\r\n\t\treturn Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\r\n\t};\r\n}\r\n\r\nfunction indexMode(chart, e, options) {\r\n\tvar position = getRelativePosition(e, chart);\r\n\t// Default axis for index mode is 'x' to match old behaviour\r\n\toptions.axis = options.axis || 'x';\r\n\tvar distanceMetric = getDistanceMetricForAxis(options.axis);\r\n\tvar items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\r\n\tvar elements = [];\r\n\r\n\tif (!items.length) {\r\n\t\treturn [];\r\n\t}\r\n\r\n\tchart._getSortedVisibleDatasetMetas().forEach(function(meta) {\r\n\t\tvar element = meta.data[items[0]._index];\r\n\r\n\t\t// don't count items that are skipped (null data)\r\n\t\tif (element && !element._view.skip) {\r\n\t\t\telements.push(element);\r\n\t\t}\r\n\t});\r\n\r\n\treturn elements;\r\n}\r\n\r\n/**\r\n * @interface IInteractionOptions\r\n */\r\n/**\r\n * If true, only consider items that intersect the point\r\n * @name IInterfaceOptions#boolean\r\n * @type Boolean\r\n */\r\n\r\n/**\r\n * Contains interaction related functions\r\n * @namespace Chart.Interaction\r\n */\r\nvar core_interaction = {\r\n\t// Helper function for different modes\r\n\tmodes: {\r\n\t\tsingle: function(chart, e) {\r\n\t\t\tvar position = getRelativePosition(e, chart);\r\n\t\t\tvar elements = [];\r\n\r\n\t\t\tparseVisibleItems(chart, function(element) {\r\n\t\t\t\tif (element.inRange(position.x, position.y)) {\r\n\t\t\t\t\telements.push(element);\r\n\t\t\t\t\treturn elements;\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\treturn elements.slice(0, 1);\r\n\t\t},\r\n\r\n\t\t/**\r\n\t\t * @function Chart.Interaction.modes.label\r\n\t\t * @deprecated since version 2.4.0\r\n\t\t * @todo remove at version 3\r\n\t\t * @private\r\n\t\t */\r\n\t\tlabel: indexMode,\r\n\r\n\t\t/**\r\n\t\t * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something\r\n\t\t * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item\r\n\t\t * @function Chart.Interaction.modes.index\r\n\t\t * @since v2.4.0\r\n\t\t * @param {Chart} chart - the chart we are returning items from\r\n\t\t * @param {Event} e - the event we are find things at\r\n\t\t * @param {IInteractionOptions} options - options to use during interaction\r\n\t\t * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\r\n\t\t */\r\n\t\tindex: indexMode,\r\n\r\n\t\t/**\r\n\t\t * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something\r\n\t\t * If the options.intersect is false, we find the nearest item and return the items in that dataset\r\n\t\t * @function Chart.Interaction.modes.dataset\r\n\t\t * @param {Chart} chart - the chart we are returning items from\r\n\t\t * @param {Event} e - the event we are find things at\r\n\t\t * @param {IInteractionOptions} options - options to use during interaction\r\n\t\t * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\r\n\t\t */\r\n\t\tdataset: function(chart, e, options) {\r\n\t\t\tvar position = getRelativePosition(e, chart);\r\n\t\t\toptions.axis = options.axis || 'xy';\r\n\t\t\tvar distanceMetric = getDistanceMetricForAxis(options.axis);\r\n\t\t\tvar items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\r\n\r\n\t\t\tif (items.length > 0) {\r\n\t\t\t\titems = chart.getDatasetMeta(items[0]._datasetIndex).data;\r\n\t\t\t}\r\n\r\n\t\t\treturn items;\r\n\t\t},\r\n\r\n\t\t/**\r\n\t\t * @function Chart.Interaction.modes.x-axis\r\n\t\t * @deprecated since version 2.4.0. Use index mode and intersect == true\r\n\t\t * @todo remove at version 3\r\n\t\t * @private\r\n\t\t */\r\n\t\t'x-axis': function(chart, e) {\r\n\t\t\treturn indexMode(chart, e, {intersect: false});\r\n\t\t},\r\n\r\n\t\t/**\r\n\t\t * Point mode returns all elements that hit test based on the event position\r\n\t\t * of the event\r\n\t\t * @function Chart.Interaction.modes.intersect\r\n\t\t * @param {Chart} chart - the chart we are returning items from\r\n\t\t * @param {Event} e - the event we are find things at\r\n\t\t * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\r\n\t\t */\r\n\t\tpoint: function(chart, e) {\r\n\t\t\tvar position = getRelativePosition(e, chart);\r\n\t\t\treturn getIntersectItems(chart, position);\r\n\t\t},\r\n\r\n\t\t/**\r\n\t\t * nearest mode returns the element closest to the point\r\n\t\t * @function Chart.Interaction.modes.intersect\r\n\t\t * @param {Chart} chart - the chart we are returning items from\r\n\t\t * @param {Event} e - the event we are find things at\r\n\t\t * @param {IInteractionOptions} options - options to use\r\n\t\t * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\r\n\t\t */\r\n\t\tnearest: function(chart, e, options) {\r\n\t\t\tvar position = getRelativePosition(e, chart);\r\n\t\t\toptions.axis = options.axis || 'xy';\r\n\t\t\tvar distanceMetric = getDistanceMetricForAxis(options.axis);\r\n\t\t\treturn getNearestItems(chart, position, options.intersect, distanceMetric);\r\n\t\t},\r\n\r\n\t\t/**\r\n\t\t * x mode returns the elements that hit-test at the current x coordinate\r\n\t\t * @function Chart.Interaction.modes.x\r\n\t\t * @param {Chart} chart - the chart we are returning items from\r\n\t\t * @param {Event} e - the event we are find things at\r\n\t\t * @param {IInteractionOptions} options - options to use\r\n\t\t * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\r\n\t\t */\r\n\t\tx: function(chart, e, options) {\r\n\t\t\tvar position = getRelativePosition(e, chart);\r\n\t\t\tvar items = [];\r\n\t\t\tvar intersectsItem = false;\r\n\r\n\t\t\tparseVisibleItems(chart, function(element) {\r\n\t\t\t\tif (element.inXRange(position.x)) {\r\n\t\t\t\t\titems.push(element);\r\n\t\t\t\t}\r\n\r\n\t\t\t\tif (element.inRange(position.x, position.y)) {\r\n\t\t\t\t\tintersectsItem = true;\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\t// If we want to trigger on an intersect and we don't have any items\r\n\t\t\t// that intersect the position, return nothing\r\n\t\t\tif (options.intersect && !intersectsItem) {\r\n\t\t\t\titems = [];\r\n\t\t\t}\r\n\t\t\treturn items;\r\n\t\t},\r\n\r\n\t\t/**\r\n\t\t * y mode returns the elements that hit-test at the current y coordinate\r\n\t\t * @function Chart.Interaction.modes.y\r\n\t\t * @param {Chart} chart - the chart we are returning items from\r\n\t\t * @param {Event} e - the event we are find things at\r\n\t\t * @param {IInteractionOptions} options - options to use\r\n\t\t * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\r\n\t\t */\r\n\t\ty: function(chart, e, options) {\r\n\t\t\tvar position = getRelativePosition(e, chart);\r\n\t\t\tvar items = [];\r\n\t\t\tvar intersectsItem = false;\r\n\r\n\t\t\tparseVisibleItems(chart, function(element) {\r\n\t\t\t\tif (element.inYRange(position.y)) {\r\n\t\t\t\t\titems.push(element);\r\n\t\t\t\t}\r\n\r\n\t\t\t\tif (element.inRange(position.x, position.y)) {\r\n\t\t\t\t\tintersectsItem = true;\r\n\t\t\t\t}\r\n\t\t\t});\r\n\r\n\t\t\t// If we want to trigger on an intersect and we don't have any items\r\n\t\t\t// that intersect the position, return nothing\r\n\t\t\tif (options.intersect && !intersectsItem) {\r\n\t\t\t\titems = [];\r\n\t\t\t}\r\n\t\t\treturn items;\r\n\t\t}\r\n\t}\r\n};\n\nvar extend = helpers$1.extend;\r\n\r\nfunction filterByPosition(array, position) {\r\n\treturn helpers$1.where(array, function(v) {\r\n\t\treturn v.pos === position;\r\n\t});\r\n}\r\n\r\nfunction sortByWeight(array, reverse) {\r\n\treturn array.sort(function(a, b) {\r\n\t\tvar v0 = reverse ? b : a;\r\n\t\tvar v1 = reverse ? a : b;\r\n\t\treturn v0.weight === v1.weight ?\r\n\t\t\tv0.index - v1.index :\r\n\t\t\tv0.weight - v1.weight;\r\n\t});\r\n}\r\n\r\nfunction wrapBoxes(boxes) {\r\n\tvar layoutBoxes = [];\r\n\tvar i, ilen, box;\r\n\r\n\tfor (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {\r\n\t\tbox = boxes[i];\r\n\t\tlayoutBoxes.push({\r\n\t\t\tindex: i,\r\n\t\t\tbox: box,\r\n\t\t\tpos: box.position,\r\n\t\t\thorizontal: box.isHorizontal(),\r\n\t\t\tweight: box.weight\r\n\t\t});\r\n\t}\r\n\treturn layoutBoxes;\r\n}\r\n\r\nfunction setLayoutDims(layouts, params) {\r\n\tvar i, ilen, layout;\r\n\tfor (i = 0, ilen = layouts.length; i < ilen; ++i) {\r\n\t\tlayout = layouts[i];\r\n\t\t// store width used instead of chartArea.w in fitBoxes\r\n\t\tlayout.width = layout.horizontal\r\n\t\t\t? layout.box.fullWidth && params.availableWidth\r\n\t\t\t: params.vBoxMaxWidth;\r\n\t\t// store height used instead of chartArea.h in fitBoxes\r\n\t\tlayout.height = layout.horizontal && params.hBoxMaxHeight;\r\n\t}\r\n}\r\n\r\nfunction buildLayoutBoxes(boxes) {\r\n\tvar layoutBoxes = wrapBoxes(boxes);\r\n\tvar left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);\r\n\tvar right = sortByWeight(filterByPosition(layoutBoxes, 'right'));\r\n\tvar top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);\r\n\tvar bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));\r\n\r\n\treturn {\r\n\t\tleftAndTop: left.concat(top),\r\n\t\trightAndBottom: right.concat(bottom),\r\n\t\tchartArea: filterByPosition(layoutBoxes, 'chartArea'),\r\n\t\tvertical: left.concat(right),\r\n\t\thorizontal: top.concat(bottom)\r\n\t};\r\n}\r\n\r\nfunction getCombinedMax(maxPadding, chartArea, a, b) {\r\n\treturn Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);\r\n}\r\n\r\nfunction updateDims(chartArea, params, layout) {\r\n\tvar box = layout.box;\r\n\tvar maxPadding = chartArea.maxPadding;\r\n\tvar newWidth, newHeight;\r\n\r\n\tif (layout.size) {\r\n\t\t// this layout was already counted for, lets first reduce old size\r\n\t\tchartArea[layout.pos] -= layout.size;\r\n\t}\r\n\tlayout.size = layout.horizontal ? box.height : box.width;\r\n\tchartArea[layout.pos] += layout.size;\r\n\r\n\tif (box.getPadding) {\r\n\t\tvar boxPadding = box.getPadding();\r\n\t\tmaxPadding.top = Math.max(maxPadding.top, boxPadding.top);\r\n\t\tmaxPadding.left = Math.max(maxPadding.left, boxPadding.left);\r\n\t\tmaxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);\r\n\t\tmaxPadding.right = Math.max(maxPadding.right, boxPadding.right);\r\n\t}\r\n\r\n\tnewWidth = params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right');\r\n\tnewHeight = params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom');\r\n\r\n\tif (newWidth !== chartArea.w || newHeight !== chartArea.h) {\r\n\t\tchartArea.w = newWidth;\r\n\t\tchartArea.h = newHeight;\r\n\r\n\t\t// return true if chart area changed in layout's direction\r\n\t\tvar sizes = layout.horizontal ? [newWidth, chartArea.w] : [newHeight, chartArea.h];\r\n\t\treturn sizes[0] !== sizes[1] && (!isNaN(sizes[0]) || !isNaN(sizes[1]));\r\n\t}\r\n}\r\n\r\nfunction handleMaxPadding(chartArea) {\r\n\tvar maxPadding = chartArea.maxPadding;\r\n\r\n\tfunction updatePos(pos) {\r\n\t\tvar change = Math.max(maxPadding[pos] - chartArea[pos], 0);\r\n\t\tchartArea[pos] += change;\r\n\t\treturn change;\r\n\t}\r\n\tchartArea.y += updatePos('top');\r\n\tchartArea.x += updatePos('left');\r\n\tupdatePos('right');\r\n\tupdatePos('bottom');\r\n}\r\n\r\nfunction getMargins(horizontal, chartArea) {\r\n\tvar maxPadding = chartArea.maxPadding;\r\n\r\n\tfunction marginForPositions(positions) {\r\n\t\tvar margin = {left: 0, top: 0, right: 0, bottom: 0};\r\n\t\tpositions.forEach(function(pos) {\r\n\t\t\tmargin[pos] = Math.max(chartArea[pos], maxPadding[pos]);\r\n\t\t});\r\n\t\treturn margin;\r\n\t}\r\n\r\n\treturn horizontal\r\n\t\t? marginForPositions(['left', 'right'])\r\n\t\t: marginForPositions(['top', 'bottom']);\r\n}\r\n\r\nfunction fitBoxes(boxes, chartArea, params) {\r\n\tvar refitBoxes = [];\r\n\tvar i, ilen, layout, box, refit, changed;\r\n\r\n\tfor (i = 0, ilen = boxes.length; i < ilen; ++i) {\r\n\t\tlayout = boxes[i];\r\n\t\tbox = layout.box;\r\n\r\n\t\tbox.update(\r\n\t\t\tlayout.width || chartArea.w,\r\n\t\t\tlayout.height || chartArea.h,\r\n\t\t\tgetMargins(layout.horizontal, chartArea)\r\n\t\t);\r\n\t\tif (updateDims(chartArea, params, layout)) {\r\n\t\t\tchanged = true;\r\n\t\t\tif (refitBoxes.length) {\r\n\t\t\t\t// Dimensions changed and there were non full width boxes before this\r\n\t\t\t\t// -> we have to refit those\r\n\t\t\t\trefit = true;\r\n\t\t\t}\r\n\t\t}\r\n\t\tif (!box.fullWidth) { // fullWidth boxes don't need to be re-fitted in any case\r\n\t\t\trefitBoxes.push(layout);\r\n\t\t}\r\n\t}\r\n\r\n\treturn refit ? fitBoxes(refitBoxes, chartArea, params) || changed : changed;\r\n}\r\n\r\nfunction placeBoxes(boxes, chartArea, params) {\r\n\tvar userPadding = params.padding;\r\n\tvar x = chartArea.x;\r\n\tvar y = chartArea.y;\r\n\tvar i, ilen, layout, box;\r\n\r\n\tfor (i = 0, ilen = boxes.length; i < ilen; ++i) {\r\n\t\tlayout = boxes[i];\r\n\t\tbox = layout.box;\r\n\t\tif (layout.horizontal) {\r\n\t\t\tbox.left = box.fullWidth ? userPadding.left : chartArea.left;\r\n\t\t\tbox.right = box.fullWidth ? params.outerWidth - userPadding.right : chartArea.left + chartArea.w;\r\n\t\t\tbox.top = y;\r\n\t\t\tbox.bottom = y + box.height;\r\n\t\t\tbox.width = box.right - box.left;\r\n\t\t\ty = box.bottom;\r\n\t\t} else {\r\n\t\t\tbox.left = x;\r\n\t\t\tbox.right = x + box.width;\r\n\t\t\tbox.top = chartArea.top;\r\n\t\t\tbox.bottom = chartArea.top + chartArea.h;\r\n\t\t\tbox.height = box.bottom - box.top;\r\n\t\t\tx = box.right;\r\n\t\t}\r\n\t}\r\n\r\n\tchartArea.x = x;\r\n\tchartArea.y = y;\r\n}\r\n\r\ncore_defaults._set('global', {\r\n\tlayout: {\r\n\t\tpadding: {\r\n\t\t\ttop: 0,\r\n\t\t\tright: 0,\r\n\t\t\tbottom: 0,\r\n\t\t\tleft: 0\r\n\t\t}\r\n\t}\r\n});\r\n\r\n/**\r\n * @interface ILayoutItem\r\n * @prop {string} position - The position of the item in the chart layout. Possible values are\r\n * 'left', 'top', 'right', 'bottom', and 'chartArea'\r\n * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area\r\n * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down\r\n * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)\r\n * @prop {function} update - Takes two parameters: width and height. Returns size of item\r\n * @prop {function} getPadding - Returns an object with padding on the edges\r\n * @prop {number} width - Width of item. Must be valid after update()\r\n * @prop {number} height - Height of item. Must be valid after update()\r\n * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update\r\n * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update\r\n * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update\r\n * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update\r\n */\r\n\r\n// The layout service is very self explanatory. It's responsible for the layout within a chart.\r\n// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need\r\n// It is this service's responsibility of carrying out that layout.\r\nvar core_layouts = {\r\n\tdefaults: {},\r\n\r\n\t/**\r\n\t * Register a box to a chart.\r\n\t * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.\r\n\t * @param {Chart} chart - the chart to use\r\n\t * @param {ILayoutItem} item - the item to add to be layed out\r\n\t */\r\n\taddBox: function(chart, item) {\r\n\t\tif (!chart.boxes) {\r\n\t\t\tchart.boxes = [];\r\n\t\t}\r\n\r\n\t\t// initialize item with default values\r\n\t\titem.fullWidth = item.fullWidth || false;\r\n\t\titem.position = item.position || 'top';\r\n\t\titem.weight = item.weight || 0;\r\n\t\titem._layers = item._layers || function() {\r\n\t\t\treturn [{\r\n\t\t\t\tz: 0,\r\n\t\t\t\tdraw: function() {\r\n\t\t\t\t\titem.draw.apply(item, arguments);\r\n\t\t\t\t}\r\n\t\t\t}];\r\n\t\t};\r\n\r\n\t\tchart.boxes.push(item);\r\n\t},\r\n\r\n\t/**\r\n\t * Remove a layoutItem from a chart\r\n\t * @param {Chart} chart - the chart to remove the box from\r\n\t * @param {ILayoutItem} layoutItem - the item to remove from the layout\r\n\t */\r\n\tremoveBox: function(chart, layoutItem) {\r\n\t\tvar index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\r\n\t\tif (index !== -1) {\r\n\t\t\tchart.boxes.splice(index, 1);\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Sets (or updates) options on the given `item`.\r\n\t * @param {Chart} chart - the chart in which the item lives (or will be added to)\r\n\t * @param {ILayoutItem} item - the item to configure with the given options\r\n\t * @param {object} options - the new item options.\r\n\t */\r\n\tconfigure: function(chart, item, options) {\r\n\t\tvar props = ['fullWidth', 'position', 'weight'];\r\n\t\tvar ilen = props.length;\r\n\t\tvar i = 0;\r\n\t\tvar prop;\r\n\r\n\t\tfor (; i < ilen; ++i) {\r\n\t\t\tprop = props[i];\r\n\t\t\tif (options.hasOwnProperty(prop)) {\r\n\t\t\t\titem[prop] = options[prop];\r\n\t\t\t}\r\n\t\t}\r\n\t},\r\n\r\n\t/**\r\n\t * Fits boxes of the given chart into the given size by having each box measure itself\r\n\t * then running a fitting algorithm\r\n\t * @param {Chart} chart - the chart\r\n\t * @param {number} width - the width to fit into\r\n\t * @param {number} height - the height to fit into\r\n\t */\r\n\tupdate: function(chart, width, height) {\r\n\t\tif (!chart) {\r\n\t\t\treturn;\r\n\t\t}\r\n\r\n\t\tvar layoutOptions = chart.options.layout || {};\r\n\t\tvar padding = helpers$1.options.toPadding(layoutOptions.padding);\r\n\r\n\t\tvar availableWidth = width - padding.width;\r\n\t\tvar availableHeight = height - padding.height;\r\n\t\tvar boxes = buildLayoutBoxes(chart.boxes);\r\n\t\tvar verticalBoxes = boxes.vertical;\r\n\t\tvar horizontalBoxes = boxes.horizontal;\r\n\r\n\t\t// Essentially we now have any number of boxes on each of the 4 sides.\r\n\t\t// Our canvas looks like the following.\r\n\t\t// The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and\r\n\t\t// B1 is the bottom axis\r\n\t\t// There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays\r\n\t\t// These locations are single-box locations only, when trying to register a chartArea location that is already taken,\r\n\t\t// an error will be thrown.\r\n\t\t//\r\n\t\t// |----------------------------------------------------|\r\n\t\t// | T1 (Full Width) |\r\n\t\t// |----------------------------------------------------|\r\n\t\t// | | | T2 | |\r\n\t\t// | |----|-------------------------------------|----|\r\n\t\t// | | | C1 | | C2 | |\r\n\t\t// | | |----| |----| |\r\n\t\t// | | | | |\r\n\t\t// | L1 | L2 | ChartArea (C0) | R1 |\r\n\t\t// | | | | |\r\n\t\t// | | |----| |----| |\r\n\t\t// | | | C3 | | C4 | |\r\n\t\t// | |----|-------------------------------------|----|\r\n\t\t// | | | B1 | |\r\n\t\t// |----------------------------------------------------|\r\n\t\t// | B2 (Full Width) |\r\n\t\t// |----------------------------------------------------|\r\n\t\t//\r\n\r\n\t\tvar params = Object.freeze({\r\n\t\t\touterWidth: width,\r\n\t\t\touterHeight: height,\r\n\t\t\tpadding: padding,\r\n\t\t\tavailableWidth: availableWidth,\r\n\t\t\tvBoxMaxWidth: availableWidth / 2 / verticalBoxes.length,\r\n\t\t\thBoxMaxHeight: availableHeight / 2\r\n\t\t});\r\n\t\tvar chartArea = extend({\r\n\t\t\tmaxPadding: extend({}, padding),\r\n\t\t\tw: availableWidth,\r\n\t\t\th: availableHeight,\r\n\t\t\tx: padding.left,\r\n\t\t\ty: padding.top\r\n\t\t}, padding);\r\n\r\n\t\tsetLayoutDims(verticalBoxes.concat(horizontalBoxes), params);\r\n\r\n\t\t// First fit vertical boxes\r\n\t\tfitBoxes(verticalBoxes, chartArea, params);\r\n\r\n\t\t// Then fit horizontal boxes\r\n\t\tif (fitBoxes(horizontalBoxes, chartArea, params)) {\r\n\t\t\t// if the area changed, re-fit vertical boxes\r\n\t\t\tfitBoxes(verticalBoxes, chartArea, params);\r\n\t\t}\r\n\r\n\t\thandleMaxPadding(chartArea);\r\n\r\n\t\t// Finally place the boxes to correct coordinates\r\n\t\tplaceBoxes(boxes.leftAndTop, chartArea, params);\r\n\r\n\t\t// Move to opposite side of chart\r\n\t\tchartArea.x += chartArea.w;\r\n\t\tchartArea.y += chartArea.h;\r\n\r\n\t\tplaceBoxes(boxes.rightAndBottom, chartArea, params);\r\n\r\n\t\tchart.chartArea = {\r\n\t\t\tleft: chartArea.left,\r\n\t\t\ttop: chartArea.top,\r\n\t\t\tright: chartArea.left + chartArea.w,\r\n\t\t\tbottom: chartArea.top + chartArea.h\r\n\t\t};\r\n\r\n\t\t// Finally update boxes in chartArea (radial scale for example)\r\n\t\thelpers$1.each(boxes.chartArea, function(layout) {\r\n\t\t\tvar box = layout.box;\r\n\t\t\textend(box, chart.chartArea);\r\n\t\t\tbox.update(chartArea.w, chartArea.h);\r\n\t\t});\r\n\t}\r\n};\n\n/**\r\n * Platform fallback implementation (minimal).\r\n * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939\r\n */\r\n\r\nvar platform_basic = {\r\n\tacquireContext: function(item) {\r\n\t\tif (item && item.canvas) {\r\n\t\t\t// Support for any object associated to a canvas (including a context2d)\r\n\t\t\titem = item.canvas;\r\n\t\t}\r\n\r\n\t\treturn item && item.getContext('2d') || null;\r\n\t}\r\n};\n\nvar platform_dom = \"/*\\r\\n * DOM element rendering detection\\r\\n * https://davidwalsh.name/detect-node-insertion\\r\\n */\\r\\n@keyframes chartjs-render-animation {\\r\\n\\tfrom { opacity: 0.99; }\\r\\n\\tto { opacity: 1; }\\r\\n}\\r\\n\\r\\n.chartjs-render-monitor {\\r\\n\\tanimation: chartjs-render-animation 0.001s;\\r\\n}\\r\\n\\r\\n/*\\r\\n * DOM element resizing detection\\r\\n * https://github.com/marcj/css-element-queries\\r\\n */\\r\\n.chartjs-size-monitor,\\r\\n.chartjs-size-monitor-expand,\\r\\n.chartjs-size-monitor-shrink {\\r\\n\\tposition: absolute;\\r\\n\\tdirection: ltr;\\r\\n\\tleft: 0;\\r\\n\\ttop: 0;\\r\\n\\tright: 0;\\r\\n\\tbottom: 0;\\r\\n\\toverflow: hidden;\\r\\n\\tpointer-events: none;\\r\\n\\tvisibility: hidden;\\r\\n\\tz-index: -1;\\r\\n}\\r\\n\\r\\n.chartjs-size-monitor-expand > div {\\r\\n\\tposition: absolute;\\r\\n\\twidth: 1000000px;\\r\\n\\theight: 1000000px;\\r\\n\\tleft: 0;\\r\\n\\ttop: 0;\\r\\n}\\r\\n\\r\\n.chartjs-size-monitor-shrink > div {\\r\\n\\tposition: absolute;\\r\\n\\twidth: 200%;\\r\\n\\theight: 200%;\\r\\n\\tleft: 0;\\r\\n\\ttop: 0;\\r\\n}\\r\\n\";\n\nvar platform_dom$1 = /*#__PURE__*/Object.freeze({\n__proto__: null,\n'default': platform_dom\n});\n\nvar stylesheet = getCjsExportFromNamespace(platform_dom$1);\n\nvar EXPANDO_KEY = '$chartjs';\r\nvar CSS_PREFIX = 'chartjs-';\r\nvar CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor';\r\nvar CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';\r\nvar CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';\r\nvar ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];\r\n\r\n/**\r\n * DOM event types -> Chart.js event types.\r\n * Note: only events with different types are mapped.\r\n * @see https://developer.mozilla.org/en-US/docs/Web/Events\r\n */\r\nvar EVENT_TYPES = {\r\n\ttouchstart: 'mousedown',\r\n\ttouchmove: 'mousemove',\r\n\ttouchend: 'mouseup',\r\n\tpointerenter: 'mouseenter',\r\n\tpointerdown: 'mousedown',\r\n\tpointermove: 'mousemove',\r\n\tpointerup: 'mouseup',\r\n\tpointerleave: 'mouseout',\r\n\tpointerout: 'mouseout'\r\n};\r\n\r\n/**\r\n * The \"used\" size is the final value of a dimension property after all calculations have\r\n * been performed. This method uses the computed style of `element` but returns undefined\r\n * if the computed style is not expressed in pixels. That can happen in some cases where\r\n * `element` has a size relative to its parent and this last one is not yet displayed,\r\n * for example because of `display: none` on a parent node.\r\n * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value\r\n * @returns {number} Size in pixels or undefined if unknown.\r\n */\r\nfunction readUsedSize(element, property) {\r\n\tvar value = helpers$1.getStyle(element, property);\r\n\tvar matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\r\n\treturn matches ? Number(matches[1]) : undefined;\r\n}\r\n\r\n/**\r\n * Initializes the canvas style and render size without modifying the canvas display size,\r\n * since responsiveness is handled by the controller.resize() method. The config is used\r\n * to determine the aspect ratio to apply in case no explicit height has been specified.\r\n */\r\nfunction initCanvas(canvas, config) {\r\n\tvar style = canvas.style;\r\n\r\n\t// NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it\r\n\t// returns null or '' if no explicit value has been set to the canvas attribute.\r\n\tvar renderHeight = canvas.getAttribute('height');\r\n\tvar renderWidth = canvas.getAttribute('width');\r\n\r\n\t// Chart.js modifies some canvas values that we want to restore on destroy\r\n\tcanvas[EXPANDO_KEY] = {\r\n\t\tinitial: {\r\n\t\t\theight: renderHeight,\r\n\t\t\twidth: renderWidth,\r\n\t\t\tstyle: {\r\n\t\t\t\tdisplay: style.display,\r\n\t\t\t\theight: style.height,\r\n\t\t\t\twidth: style.width\r\n\t\t\t}\r\n\t\t}\r\n\t};\r\n\r\n\t// Force canvas to display as block to avoid extra space caused by inline\r\n\t// elements, which would interfere with the responsive resize process.\r\n\t// https://github.com/chartjs/Chart.js/issues/2538\r\n\tstyle.display = style.display || 'block';\r\n\r\n\tif (renderWidth === null || renderWidth === '') {\r\n\t\tvar displayWidth = readUsedSize(canvas, 'width');\r\n\t\tif (displayWidth !== undefined) {\r\n\t\t\tcanvas.width = displayWidth;\r\n\t\t}\r\n\t}\r\n\r\n\tif (renderHeight === null || renderHeight === '') {\r\n\t\tif (canvas.style.height === '') {\r\n\t\t\t// If no explicit render height and style height, let's apply the aspect ratio,\r\n\t\t\t// which one can be specified by the user but also by charts as default option\r\n\t\t\t// (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.\r\n\t\t\tcanvas.height = canvas.width / (config.options.aspectRatio || 2);\r\n\t\t} else {\r\n\t\t\tvar displayHeight = readUsedSize(canvas, 'height');\r\n\t\t\tif (displayWidth !== undefined) {\r\n\t\t\t\tcanvas.height = displayHeight;\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\treturn canvas;\r\n}\r\n\r\n/**\r\n * Detects support for options object argument in addEventListener.\r\n * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support\r\n * @private\r\n */\r\nvar supportsEventListenerOptions = (function() {\r\n\tvar supports = false;\r\n\ttry {\r\n\t\tvar options = Object.defineProperty({}, 'passive', {\r\n\t\t\t// eslint-disable-next-line getter-return\r\n\t\t\tget: function() {\r\n\t\t\t\tsupports = true;\r\n\t\t\t}\r\n\t\t});\r\n\t\twindow.addEventListener('e', null, options);\r\n\t} catch (e) {\r\n\t\t// continue regardless of error\r\n\t}\r\n\treturn supports;\r\n}());\r\n\r\n// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.\r\n// https://github.com/chartjs/Chart.js/issues/4287\r\nvar eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;\r\n\r\nfunction addListener(node, type, listener) {\r\n\tnode.addEventListener(type, listener, eventListenerOptions);\r\n}\r\n\r\nfunction removeListener(node, type, listener) {\r\n\tnode.removeEventListener(type, listener, eventListenerOptions);\r\n}\r\n\r\nfunction createEvent(type, chart, x, y, nativeEvent) {\r\n\treturn {\r\n\t\ttype: type,\r\n\t\tchart: chart,\r\n\t\tnative: nativeEvent || null,\r\n\t\tx: x !== undefined ? x : null,\r\n\t\ty: y !== undefined ? y : null,\r\n\t};\r\n}\r\n\r\nfunction fromNativeEvent(event, chart) {\r\n\tvar type = EVENT_TYPES[event.type] || event.type;\r\n\tvar pos = helpers$1.getRelativePosition(event, chart);\r\n\treturn createEvent(type, chart, pos.x, pos.y, event);\r\n}\r\n\r\nfunction throttled(fn, thisArg) {\r\n\tvar ticking = false;\r\n\tvar args = [];\r\n\r\n\treturn function() {\r\n\t\targs = Array.prototype.slice.call(arguments);\r\n\t\tthisArg = thisArg || this;\r\n\r\n\t\tif (!ticking) {\r\n\t\t\tticking = true;\r\n\t\t\thelpers$1.requestAnimFrame.call(window, function() {\r\n\t\t\t\tticking = false;\r\n\t\t\t\tfn.apply(thisArg, args);\r\n\t\t\t});\r\n\t\t}\r\n\t};\r\n}\r\n\r\nfunction createDiv(cls) {\r\n\tvar el = document.createElement('div');\r\n\tel.className = cls || '';\r\n\treturn el;\r\n}\r\n\r\n// Implementation based on https://github.com/marcj/css-element-queries\r\nfunction createResizer(handler) {\r\n\tvar maxSize = 1000000;\r\n\r\n\t// NOTE(SB) Don't use innerHTML because it could be considered unsafe.\r\n\t// https://github.com/chartjs/Chart.js/issues/5902\r\n\tvar resizer = createDiv(CSS_SIZE_MONITOR);\r\n\tvar expand = createDiv(CSS_SIZE_MONITOR + '-expand');\r\n\tvar shrink = createDiv(CSS_SIZE_MONITOR + '-shrink');\r\n\r\n\texpand.appendChild(createDiv());\r\n\tshrink.appendChild(createDiv());\r\n\r\n\tresizer.appendChild(expand);\r\n\tresizer.appendChild(shrink);\r\n\tresizer._reset = function() {\r\n\t\texpand.scrollLeft = maxSize;\r\n\t\texpand.scrollTop = maxSize;\r\n\t\tshrink.scrollLeft = maxSize;\r\n\t\tshrink.scrollTop = maxSize;\r\n\t};\r\n\r\n\tvar onScroll = function() {\r\n\t\tresizer._reset();\r\n\t\thandler();\r\n\t};\r\n\r\n\taddListener(expand, 'scroll', onScroll.bind(expand, 'expand'));\r\n\taddListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));\r\n\r\n\treturn resizer;\r\n}\r\n\r\n// https://davidwalsh.name/detect-node-insertion\r\nfunction watchForRender(node, handler) {\r\n\tvar expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\r\n\tvar proxy = expando.renderProxy = function(e) {\r\n\t\tif (e.animationName === CSS_RENDER_ANIMATION) {\r\n\t\t\thandler();\r\n\t\t}\r\n\t};\r\n\r\n\thelpers$1.each(ANIMATION_START_EVENTS, function(type) {\r\n\t\taddListener(node, type, proxy);\r\n\t});\r\n\r\n\t// #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class\r\n\t// is removed then added back immediately (same animation frame?). Accessing the\r\n\t// `offsetParent` property will force a reflow and re-evaluate the CSS animation.\r\n\t// https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics\r\n\t// https://github.com/chartjs/Chart.js/issues/4737\r\n\texpando.reflow = !!node.offsetParent;\r\n\r\n\tnode.classList.add(CSS_RENDER_MONITOR);\r\n}\r\n\r\nfunction unwatchForRender(node) {\r\n\tvar expando = node[EXPANDO_KEY] || {};\r\n\tvar proxy = expando.renderProxy;\r\n\r\n\tif (proxy) {\r\n\t\thelpers$1.each(ANIMATION_START_EVENTS, function(type) {\r\n\t\t\tremoveListener(node, type, proxy);\r\n\t\t});\r\n\r\n\t\tdelete expando.renderProxy;\r\n\t}\r\n\r\n\tnode.classList.remove(CSS_RENDER_MONITOR);\r\n}\r\n\r\nfunction addResizeListener(node, listener, chart) {\r\n\tvar expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\r\n\r\n\t// Let's keep track of this added resizer and thus avoid DOM query when removing it.\r\n\tvar resizer = expando.resizer = createResizer(throttled(function() {\r\n\t\tif (expando.resizer) {\r\n\t\t\tvar container = chart.options.maintainAspectRatio && node.parentNode;\r\n\t\t\tvar w = container ? container.clientWidth : 0;\r\n\t\t\tlistener(createEvent('resize', chart));\r\n\t\t\tif (container && container.clientWidth < w && chart.canvas) {\r\n\t\t\t\t// If the container size shrank during chart resize, let's assume\r\n\t\t\t\t// scrollbar appeared. So we resize again with the scrollbar visible -\r\n\t\t\t\t// effectively making chart smaller and the scrollbar hidden again.\r\n\t\t\t\t// Because we are inside `throttled`, and currently `ticking`, scroll\r\n\t\t\t\t// events are ignored during this whole 2 resize process.\r\n\t\t\t\t// If we assumed wrong and something else happened, we are resizing\r\n\t\t\t\t// twice in a frame (potential performance issue)\r\n\t\t\t\tlistener(createEvent('resize', chart));\r\n\t\t\t}\r\n\t\t}\r\n\t}));\r\n\r\n\t// The resizer needs to be attached to the node parent, so we first need to be\r\n\t// sure that `node` is attached to the DOM before injecting the resizer element.\r\n\twatchForRender(node, function() {\r\n\t\tif (expando.resizer) {\r\n\t\t\tvar container = node.parentNode;\r\n\t\t\tif (container && container !== resizer.parentNode) {\r\n\t\t\t\tcontainer.insertBefore(resizer, container.firstChild);\r\n\t\t\t}\r\n\r\n\t\t\t// The container size might have changed, let's reset the resizer state.\r\n\t\t\tresizer._reset();\r\n\t\t}\r\n\t});\r\n}\r\n\r\nfunction removeResizeListener(node) {\r\n\tvar expando = node[EXPANDO_KEY] || {};\r\n\tvar resizer = expando.resizer;\r\n\r\n\tdelete expando.resizer;\r\n\tunwatchForRender(node);\r\n\r\n\tif (resizer && resizer.parentNode) {\r\n\t\tresizer.parentNode.removeChild(resizer);\r\n\t}\r\n}\r\n\r\n/**\r\n * Injects CSS styles inline if the styles are not already present.\r\n * @param {HTMLDocument|ShadowRoot} rootNode - the node to contain the