diff --git a/src/Content/Post/Entity/PostMedia.php b/src/Content/Post/Entity/PostMedia.php index 7ecdfd44e3..a856118b80 100644 --- a/src/Content/Post/Entity/PostMedia.php +++ b/src/Content/Post/Entity/PostMedia.php @@ -51,6 +51,7 @@ class PostMedia extends BaseEntity const TYPE_PLAIN = 19; const TYPE_ACTIVITY = 20; const TYPE_ACCOUNT = 21; + const TYPE_HLS = 22; const TYPE_DOCUMENT = 128; /** @var int */ diff --git a/src/Content/Post/Repository/PostMedia.php b/src/Content/Post/Repository/PostMedia.php index f89b58e482..e46bd99486 100644 --- a/src/Content/Post/Repository/PostMedia.php +++ b/src/Content/Post/Repository/PostMedia.php @@ -153,7 +153,7 @@ class PostMedia extends BaseRepository } if ( - in_array($PostMedia->type, [Entity\PostMedia::TYPE_AUDIO, Entity\PostMedia::TYPE_IMAGE]) || + in_array($PostMedia->type, [Entity\PostMedia::TYPE_AUDIO, Entity\PostMedia::TYPE_IMAGE, Entity\PostMedia::TYPE_HLS]) || in_array($PostMedia->mimetype->type, ['audio', 'image']) ) { $attachments['visual'][] = $PostMedia; diff --git a/src/Model/Item.php b/src/Model/Item.php index c4c6fa3d8b..0b0a45fbf5 100644 --- a/src/Model/Item.php +++ b/src/Model/Item.php @@ -3687,7 +3687,7 @@ class Item continue; } - if ($PostMedia->mimetype->type == 'video') { + if (($PostMedia->mimetype->type == 'video') || ($PostMedia->type == Post\Media::HLS)) { if (($PostMedia->height ?? 0) > ($PostMedia->width ?? 0)) { $height = min(DI::config()->get('system', 'max_video_height') ?: '100%', $PostMedia->height); $width = 'auto'; @@ -3696,7 +3696,7 @@ class Item $width = '100%'; } /// @todo Move the template to /content as well - $media = Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [ + $media = Renderer::replaceMacros(Renderer::getMarkupTemplate($PostMedia->type == Post\Media::HLS ? 'hls_top.tpl' : 'video_top.tpl'), [ '$video' => [ 'id' => $PostMedia->id, 'src' => (string)$PostMedia->url, diff --git a/src/Model/Post/Engagement.php b/src/Model/Post/Engagement.php index 45e0fc15b2..e6bcf35068 100644 --- a/src/Model/Post/Engagement.php +++ b/src/Model/Post/Engagement.php @@ -345,7 +345,7 @@ class Engagement foreach ($media as $entry) { if ($entry['type'] == Post\Media::IMAGE) { $type = $type | self::MEDIA_IMAGE; - } elseif ($entry['type'] == Post\Media::VIDEO) { + } elseif (in_array($entry['type'], [Post\Media::VIDEO, Post\Media::HLS])) { $type = $type | self::MEDIA_VIDEO; } elseif ($entry['type'] == Post\Media::AUDIO) { $type = $type | self::MEDIA_AUDIO; diff --git a/src/Model/Post/Media.php b/src/Model/Post/Media.php index 1025237700..8ed516f322 100644 --- a/src/Model/Post/Media.php +++ b/src/Model/Post/Media.php @@ -50,6 +50,7 @@ class Media const PLAIN = 19; const ACTIVITY = 20; const ACCOUNT = 21; + const HLS = 22; const DOCUMENT = 128; /** @@ -220,19 +221,16 @@ class Media } else { Logger::notice('No image data', ['media' => $media]); } - if (!empty($media['preview'])) { - $imagedata = Images::getInfoFromURLCached($media['preview']); - if ($imagedata) { - $media['preview-width'] = $imagedata[0]; - $media['preview-height'] = $imagedata[1]; - } - } } if ($media['type'] != self::DOCUMENT) { $media = self::addType($media); } + if (!empty($media['preview'])) { + $media = self::addPreviewData($media); + } + if (in_array($media['type'], [self::TEXT, self::APPLICATION, self::HTML, self::XML, self::PLAIN])) { $media = self::addActivity($media); } @@ -248,6 +246,21 @@ class Media return $media; } + private static function addPreviewData(array $media): array + { + if (!empty($media['preview-width']) && !empty($media['preview-height'])) { + return $media; + } + + $imagedata = Images::getInfoFromURLCached($media['preview']); + if ($imagedata) { + $media['preview-width'] = $imagedata[0]; + $media['preview-height'] = $imagedata[1]; + } + + return $media; + } + /** * Adds the activity type if the media entry is linked to an activity * @@ -466,6 +479,8 @@ class Media $type = self::TEXT; } elseif (($filetype == 'application') && ($subtype == 'x-bittorrent')) { $type = self::TORRENT; + } elseif (($filetype == 'application') && ($subtype == 'vnd.apple.mpegurl')) { + $type = self::HLS; } elseif ($filetype == 'application') { $type = self::APPLICATION; } else { @@ -473,8 +488,8 @@ class Media Logger::info('Unknown type', ['filetype' => $filetype, 'subtype' => $subtype, 'media' => $mimeType]); } - Logger::debug('Detected type', ['filetype' => $filetype, 'subtype' => $subtype, 'media' => $mimeType]); - return $type; + Logger::debug('Detected type', ['type' => $type, 'filetype' => $filetype, 'subtype' => $subtype, 'media' => $mimeType]); + return $type; } /** diff --git a/view/js/hls/hls-demo.js b/view/js/hls/hls-demo.js new file mode 100644 index 0000000000..82c122a8be --- /dev/null +++ b/view/js/hls/hls-demo.js @@ -0,0 +1,25590 @@ +(function (factory) { + typeof define === 'function' && define.amd ? define(factory) : + factory(); +})((function () { 'use strict'; + + var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; + + function getDefaultExportFromCjs (x) { + return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x; + } + + /** + * Create test stream + * @param {string} url + * @param {string} description + * @param {boolean} [live] + * @param {boolean} [abr] + * @param {string[]} [skip_ua] + * @returns {{url: string, description: string, live: boolean, abr: boolean, skip_ua: string[]}} + */ + function createTestStream(url, description, live, abr, skip_ua) { + if (live === void 0) { + live = false; + } + if (abr === void 0) { + abr = true; + } + if (skip_ua === void 0) { + skip_ua = []; + } + return { + url: url, + description: description, + live: live, + abr: abr, + skip_ua: skip_ua + }; + } + + /** + * @param {Object} target + * @param {Object} [config] + * @returns {{url: string, description: string, live: boolean, abr: boolean, skip_ua: string[]}} + */ + function createTestStreamWithConfig(target, config) { + if (typeof target !== 'object') { + throw new Error('target should be object'); + } + var testStream = createTestStream(target.url, target.description, target.live, target.abr, target.skip_ua); + testStream.config = config; + return testStream; + } + var testStreams$1 = { + bbb: { + url: 'https://test-streams.mux.dev/x36xhzz/x36xhzz.m3u8', + description: 'Big Buck Bunny - adaptive qualities', + abr: true + }, + fdr: { + url: 'https://cdn.jwplayer.com/manifests/pZxWPRg4.m3u8', + description: 'FDR - CDN packaged, 4s segments, 180p - 1080p', + abr: true + }, + bigBuckBunny480p: { + url: 'https://test-streams.mux.dev/x36xhzz/url_6/193039199_mp4_h264_aac_hq_7.m3u8', + description: 'Big Buck Bunny - 480p only', + abr: false + }, + arte: { + url: 'https://test-streams.mux.dev/test_001/stream.m3u8', + description: 'ARTE China,ABR', + abr: true + }, + deltatreDAI: { + url: 'https://test-streams.mux.dev/dai-discontinuity-deltatre/manifest.m3u8', + description: 'Ad-insertion in event stream', + abr: false + }, + issue666: { + url: 'https://playertest.longtailvideo.com/adaptive/issue666/playlists/cisq0gim60007xzvi505emlxx.m3u8', + description: 'Surveillance footage - https://github.com/video-dev/hls.js/issues/666', + abr: false + }, + closedCaptions: { + url: 'https://playertest.longtailvideo.com/adaptive/captions/playlist.m3u8', + description: 'CNN special report, with CC', + abr: false + }, + customIvBadDts: { + url: 'https://playertest.longtailvideo.com/adaptive/customIV/prog_index.m3u8', + description: 'Custom IV with bad PTS DTS', + abr: false + }, + oceansAES: { + url: 'https://playertest.longtailvideo.com/adaptive/oceans_aes/oceans_aes.m3u8', + description: 'AES-128 encrypted, ABR', + abr: true + }, + tracksWithAES: { + url: 'https://playertest.longtailvideo.com/adaptive/aes-with-tracks/master.m3u8', + description: 'AES-128 encrypted, TS main with AAC audio track', + abr: false + }, + mp3Audio: { + url: 'https://playertest.longtailvideo.com/adaptive/vod-with-mp3/manifest.m3u8', + description: 'MP3 VOD demo', + abr: false + }, + mpegAudioOnly: { + url: 'https://pl.streamingvideoprovider.com/mp3-playlist/playlist.m3u8', + description: 'MPEG Audio Only demo', + abr: false, + skip_ua: ['MicrosoftEdge', 'firefox'] + }, + fmp4: { + url: 'https://storage.googleapis.com/shaka-demo-assets/angel-one-hls/hls.m3u8', + description: 'HLS fMP4 Angel-One multiple audio-tracks', + abr: true + }, + fmp4Bitmovin: { + url: 'https://bitdash-a.akamaihd.net/content/MI201109210084_1/m3u8s-fmp4/f08e80da-bf1d-4e3d-8899-f0f6155f6efa.m3u8', + description: 'HLS fMP4 by Bitmovin', + abr: true + }, + fmp4BitmovinHevc: { + url: 'https://bitmovin-a.akamaihd.net/content/dataset/multi-codec/hevc/stream_fmp4.m3u8', + description: 'HLS HEVC fMP4 by Bitmovin (Safari and Edge? only as of 2020-08)', + abr: true, + skipFunctionalTests: true + }, + offset_pts: { + url: 'https://test-streams.mux.dev/pts_shift/master.m3u8', + description: 'DK Turntable, PTS shifted by 2.3s', + abr: true + }, + angelOneShakaWidevine: createTestStreamWithConfig({ + url: 'https://storage.googleapis.com/shaka-demo-assets/angel-one-widevine-hls/hls.m3u8', + description: 'Shaka-packager Widevine DRM (EME) HLS-fMP4 - Angel One Demo', + abr: true, + skip_ua: ['firefox', 'safari', { + name: 'chrome', + version: '75.0' + }, { + name: 'chrome', + version: '79.0' + }] + }, { + widevineLicenseUrl: 'https://cwip-shaka-proxy.appspot.com/no_auth', + emeEnabled: true + }), + audioOnlyMultipleLevels: { + url: 'https://s3.amazonaws.com/qa.jwplayer.com/~alex/121628/new_master.m3u8', + description: 'Multiple non-alternate audio levels', + abr: true + }, + pdtDuplicate: { + url: 'https://playertest.longtailvideo.com/adaptive/artbeats/manifest.m3u8', + description: 'Duplicate sequential PDT values', + abr: false + }, + pdtLargeGap: { + url: 'https://playertest.longtailvideo.com/adaptive/boxee/playlist.m3u8', + description: 'PDTs with large gaps following discontinuities', + abr: false + }, + pdtBadValues: { + url: 'https://playertest.longtailvideo.com/adaptive/progdatime/playlist2.m3u8', + description: 'PDTs with bad values', + abr: false + }, + pdtOneValue: { + url: 'https://playertest.longtailvideo.com/adaptive/aviion/manifest.m3u8', + description: 'One PDT, no discontinuities', + abr: false + }, + noTrackIntersection: createTestStreamWithConfig({ + url: 'https://s3.amazonaws.com/qa.jwplayer.com/~alex/123633/new_master.m3u8', + description: 'Audio/video track PTS values do not intersect; 10 second start gap', + abr: false + }, { + avBufferOffset: 10.5 + }), + altAudioAndTracks: { + // url: 'https://wowzaec2demo.streamlock.net/vod-multitrack/_definst_/smil:ElephantsDream/elephantsdream2.smil/playlist.m3u', + url: 'https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/index.m3u8', + description: 'Alternate audio tracks, and multiple VTT tracks', + vendor: 'wowza', + abr: true + }, + altAudioAudioOnly: createTestStreamWithConfig({ + url: 'https://playertest.longtailvideo.com/adaptive/alt-audio-no-video/sintel/playlist.m3u8', + description: 'Audio only with alternate audio track (Sintel)', + abr: false + }, { + // the playlist segment durations are longer than the media. So much so, that when seeking near the end, + // the timeline shifts roughly 10 seconds seconds back, and as a result buffering skips several segments + // to adjust for the currentTime now being places at the very end of the stream. + allowedBufferedRangesInSeekTest: 3 + }), + altAudioMultiAudioOnly: { + url: 'https://playertest.longtailvideo.com/adaptive/alt-audio-no-video/angel-one.m3u8', + description: 'Audio only with multiple alternate audio tracks (Angel One)', + abr: false + }, + muxedFmp4: { + url: 'https://s3.amazonaws.com/qa.jwplayer.com/hlsjs/muxed-fmp4/hls.m3u8', + description: 'Muxed av fmp4 - appended to "audiovideo" SourceBuffer', + abr: false + }, + altAudioWithPdtAndStartGap: { + url: 'https://playertest.longtailvideo.com/adaptive/hls-test-streams/test-audio-pdt/playlist.m3u8', + description: 'PDT before each segment, 1.59s start gap', + // 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). + // abr: true, + startSeek: true + }, + AppleAdvancedHevcAvcHls: { + url: 'https://devstreaming-cdn.apple.com/videos/streaming/examples/bipbop_adv_example_hevc/master.m3u8', + description: 'Advanced stream (HEVC/H.264, AC-3/AAC, WebVTT, fMP4 segments)' + }, + MuxLowLatencyHls: { + url: 'https://stream.mux.com/v69RSHhFelSm4701snP22dYz2jICy4E4FUyk02rW4gxRM.m3u8', + description: 'Low-Latency HLS sample of Big Buck Bunny loop and a timer. Restarts every 12 hours. (fMP4 segments)', + live: true + }, + // AppleLowLatencyHls: { + // url: 'https://ll-hls-test.apple.com/master.m3u8', + // description: 'Apple Low-Latency HLS sample (TS segments)', + // live: true, + // }, + // AppleLowLatencyCmafHls: { + // url: 'https://ll-hls-test.apple.com/cmaf/master.m3u8', + // description: 'Apple Low-Latency HLS sample (fMP4 segments)', + // live: true, + // }, + groupIds: { + url: 'https://mtoczko.github.io/hls-test-streams/test-group/playlist.m3u8', + description: 'Group-id: subtitle and audio', + abr: true, + skipFunctionalTests: true + }, + redundantLevelsWithTrackGroups: { + url: 'https://playertest.longtailvideo.com/adaptive/elephants_dream_v4/redundant.m3u8', + description: 'Redundant levels with subtitle and audio track groups', + abr: true, + skipFunctionalTests: true + }, + startDelimiterOverlappingBetweenPESPackets: { + url: 'https://wistia.github.io/hlsjs-test-streams/assets/start-delimiter.m3u8', + 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.", + abr: false, + skipFunctionalTests: true + } + }; + + var main = {}; + + /* + Copyright (c) 2013, Rodrigo González, Sapienlab All Rights Reserved. + Available via MIT LICENSE. See https://github.com/roro89/jsonpack/blob/master/LICENSE.md for details. + */ + + (function (exports) { + (function(define) { + + define([], function() { + + var TOKEN_TRUE = -1; + var TOKEN_FALSE = -2; + var TOKEN_NULL = -3; + var TOKEN_EMPTY_STRING = -4; + var TOKEN_UNDEFINED = -5; + + var pack = function(json, options) { + + // Canonizes the options + options = options || {}; + + // A shorthand for debugging + var verbose = options.verbose || false; + + verbose && console.log('Normalize the JSON Object'); + + // JSON as Javascript Object (Not string representation) + json = typeof json === 'string' ? this.JSON.parse(json) : json; + + verbose && console.log('Creating a empty dictionary'); + + // The dictionary + var dictionary = { + strings : [], + integers : [], + floats : [] + }; + + verbose && console.log('Creating the AST'); + + // The AST + var ast = (function recursiveAstBuilder(item) { + + verbose && console.log('Calling recursiveAstBuilder with ' + this.JSON.stringify(item)); + + // The type of the item + var type = typeof item; + + // Case 7: The item is null + if (item === null) { + return { + type : 'null', + index : TOKEN_NULL + }; + } + + //add undefined + if (typeof item === 'undefined') { + return { + type : 'undefined', + index : TOKEN_UNDEFINED + }; + } + + // Case 1: The item is Array Object + if ( item instanceof Array) { + + // Create a new sub-AST of type Array (@) + var ast = ['@']; + + // Add each items + for (var i in item) { + + if (!item.hasOwnProperty(i)) continue; + + ast.push(recursiveAstBuilder(item[i])); + } + + // And return + return ast; + + } + + // Case 2: The item is Object + if (type === 'object') { + + // Create a new sub-AST of type Object ($) + var ast = ['$']; + + // Add each items + for (var key in item) { + + if (!item.hasOwnProperty(key)) + continue; + + ast.push(recursiveAstBuilder(key)); + ast.push(recursiveAstBuilder(item[key])); + } + + // And return + return ast; + + } + + // Case 3: The item empty string + if (item === '') { + return { + type : 'empty', + index : TOKEN_EMPTY_STRING + }; + } + + // Case 4: The item is String + if (type === 'string') { + + // The index of that word in the dictionary + var index = _indexOf.call(dictionary.strings, item); + + // If not, add to the dictionary and actualize the index + if (index == -1) { + dictionary.strings.push(_encode(item)); + index = dictionary.strings.length - 1; + } + + // Return the token + return { + type : 'strings', + index : index + }; + } + + // Case 5: The item is integer + if (type === 'number' && item % 1 === 0) { + + // The index of that number in the dictionary + var index = _indexOf.call(dictionary.integers, item); + + // If not, add to the dictionary and actualize the index + if (index == -1) { + dictionary.integers.push(_base10To36(item)); + index = dictionary.integers.length - 1; + } + + // Return the token + return { + type : 'integers', + index : index + }; + } + + // Case 6: The item is float + if (type === 'number') { + // The index of that number in the dictionary + var index = _indexOf.call(dictionary.floats, item); + + // If not, add to the dictionary and actualize the index + if (index == -1) { + // Float not use base 36 + dictionary.floats.push(item); + index = dictionary.floats.length - 1; + } + + // Return the token + return { + type : 'floats', + index : index + }; + } + + // Case 7: The item is boolean + if (type === 'boolean') { + return { + type : 'boolean', + index : item ? TOKEN_TRUE : TOKEN_FALSE + }; + } + + // Default + throw new Error('Unexpected argument of type ' + typeof (item)); + + })(json); + + // A set of shorthands proxies for the length of the dictionaries + var stringLength = dictionary.strings.length; + var integerLength = dictionary.integers.length; + dictionary.floats.length; + + verbose && console.log('Parsing the dictionary'); + + // Create a raw dictionary + var packed = dictionary.strings.join('|'); + packed += '^' + dictionary.integers.join('|'); + packed += '^' + dictionary.floats.join('|'); + + verbose && console.log('Parsing the structure'); + + // And add the structure + packed += '^' + (function recursiveParser(item) { + + verbose && console.log('Calling a recursiveParser with ' + this.JSON.stringify(item)); + + // If the item is Array, then is a object of + // type [object Object] or [object Array] + if ( item instanceof Array) { + + // The packed resulting + var packed = item.shift(); + + for (var i in item) { + + if (!item.hasOwnProperty(i)) + continue; + + packed += recursiveParser(item[i]) + '|'; + } + + return (packed[packed.length - 1] === '|' ? packed.slice(0, -1) : packed) + ']'; + + } + + // A shorthand proxies + var type = item.type, index = item.index; + + if (type === 'strings') { + // Just return the base 36 of index + return _base10To36(index); + } + + if (type === 'integers') { + // Return a base 36 of index plus stringLength offset + return _base10To36(stringLength + index); + } + + if (type === 'floats') { + // Return a base 36 of index plus stringLength and integerLength offset + return _base10To36(stringLength + integerLength + index); + } + + if (type === 'boolean') { + return item.index; + } + + if (type === 'null') { + return TOKEN_NULL; + } + + if (type === 'undefined') { + return TOKEN_UNDEFINED; + } + + if (type === 'empty') { + return TOKEN_EMPTY_STRING; + } + + throw new TypeError('The item is alien!'); + + })(ast); + + verbose && console.log('Ending parser'); + + // If debug, return a internal representation of dictionary and stuff + if (options.debug) + return { + dictionary : dictionary, + ast : ast, + packed : packed + }; + + return packed; + + }; + + var unpack = function(packed, options) { + + // Canonizes the options + options = options || {}; + + // A raw buffer + var rawBuffers = packed.split('^'); + + // Create a dictionary + options.verbose && console.log('Building dictionary'); + var dictionary = []; + + // Add the strings values + var buffer = rawBuffers[0]; + if (buffer !== '') { + buffer = buffer.split('|'); + options.verbose && console.log('Parse the strings dictionary'); + for (var i=0, n=buffer.length; i} */ + this._deferreds = []; + + doResolve(fn, this); + } + + function handle(self, deferred) { + while (self._state === 3) { + self = self._value; + } + if (self._state === 0) { + self._deferreds.push(deferred); + return; + } + self._handled = true; + Promise$1._immediateFn(function() { + var cb = self._state === 1 ? deferred.onFulfilled : deferred.onRejected; + if (cb === null) { + (self._state === 1 ? resolve : reject)(deferred.promise, self._value); + return; + } + var ret; + try { + ret = cb(self._value); + } catch (e) { + reject(deferred.promise, e); + return; + } + resolve(deferred.promise, ret); + }); + } + + function resolve(self, newValue) { + try { + // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure + if (newValue === self) + throw new TypeError('A promise cannot be resolved with itself.'); + if ( + newValue && + (typeof newValue === 'object' || typeof newValue === 'function') + ) { + var then = newValue.then; + if (newValue instanceof Promise$1) { + self._state = 3; + self._value = newValue; + finale(self); + return; + } else if (typeof then === 'function') { + doResolve(bind(then, newValue), self); + return; + } + } + self._state = 1; + self._value = newValue; + finale(self); + } catch (e) { + reject(self, e); + } + } + + function reject(self, newValue) { + self._state = 2; + self._value = newValue; + finale(self); + } + + function finale(self) { + if (self._state === 2 && self._deferreds.length === 0) { + Promise$1._immediateFn(function() { + if (!self._handled) { + Promise$1._unhandledRejectionFn(self._value); + } + }); + } + + for (var i = 0, len = self._deferreds.length; i < len; i++) { + handle(self, self._deferreds[i]); + } + self._deferreds = null; + } + + /** + * @constructor + */ + function Handler(onFulfilled, onRejected, promise) { + this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null; + this.onRejected = typeof onRejected === 'function' ? onRejected : null; + this.promise = promise; + } + + /** + * Take a potentially misbehaving resolver function and make sure + * onFulfilled and onRejected are only called once. + * + * Makes no guarantees about asynchrony. + */ + function doResolve(fn, self) { + var done = false; + try { + fn( + function(value) { + if (done) return; + done = true; + resolve(self, value); + }, + function(reason) { + if (done) return; + done = true; + reject(self, reason); + } + ); + } catch (ex) { + if (done) return; + done = true; + reject(self, ex); + } + } + + Promise$1.prototype['catch'] = function(onRejected) { + return this.then(null, onRejected); + }; + + Promise$1.prototype.then = function(onFulfilled, onRejected) { + // @ts-ignore + var prom = new this.constructor(noop); + + handle(this, new Handler(onFulfilled, onRejected, prom)); + return prom; + }; + + Promise$1.prototype['finally'] = finallyConstructor; + + Promise$1.all = function(arr) { + return new Promise$1(function(resolve, reject) { + if (!isArray(arr)) { + return reject(new TypeError('Promise.all accepts an array')); + } + + var args = Array.prototype.slice.call(arr); + if (args.length === 0) return resolve([]); + var remaining = args.length; + + function res(i, val) { + try { + if (val && (typeof val === 'object' || typeof val === 'function')) { + var then = val.then; + if (typeof then === 'function') { + then.call( + val, + function(val) { + res(i, val); + }, + reject + ); + return; + } + } + args[i] = val; + if (--remaining === 0) { + resolve(args); + } + } catch (ex) { + reject(ex); + } + } + + for (var i = 0; i < args.length; i++) { + res(i, args[i]); + } + }); + }; + + Promise$1.any = any; + + Promise$1.allSettled = allSettled; + + Promise$1.resolve = function(value) { + if (value && typeof value === 'object' && value.constructor === Promise$1) { + return value; + } + + return new Promise$1(function(resolve) { + resolve(value); + }); + }; + + Promise$1.reject = function(value) { + return new Promise$1(function(resolve, reject) { + reject(value); + }); + }; + + Promise$1.race = function(arr) { + return new Promise$1(function(resolve, reject) { + if (!isArray(arr)) { + return reject(new TypeError('Promise.race accepts an array')); + } + + for (var i = 0, len = arr.length; i < len; i++) { + Promise$1.resolve(arr[i]).then(resolve, reject); + } + }); + }; + + // Use polyfill for setImmediate for performance gains + Promise$1._immediateFn = + // @ts-ignore + (typeof setImmediate === 'function' && + function(fn) { + // @ts-ignore + setImmediate(fn); + }) || + function(fn) { + setTimeoutFunc(fn, 0); + }; + + Promise$1._unhandledRejectionFn = function _unhandledRejectionFn(err) { + if (typeof console !== 'undefined' && console) { + console.warn('Possible Unhandled Promise Rejection:', err); // eslint-disable-line no-console + } + }; + + /** @suppress {undefinedVars} */ + var globalNS = (function() { + // the only reliable means to get the global object is + // `Function('return this')()` + // However, this causes CSP violations in Chrome apps. + if (typeof self !== 'undefined') { + return self; + } + if (typeof window !== 'undefined') { + return window; + } + if (typeof global !== 'undefined') { + return global; + } + throw new Error('unable to locate global object'); + })(); + + // Expose the polyfill if Promise is undefined or set to a + // non-function value. The latter can be due to a named HTMLElement + // being exposed by browsers for legacy reasons. + // https://github.com/taylorhakes/promise-polyfill/issues/114 + if (typeof globalNS['Promise'] !== 'function') { + globalNS['Promise'] = Promise$1; + } else { + if (!globalNS.Promise.prototype['finally']) { + globalNS.Promise.prototype['finally'] = finallyConstructor; + } + if (!globalNS.Promise.allSettled) { + globalNS.Promise.allSettled = allSettled; + } + if (!globalNS.Promise.any) { + globalNS.Promise.any = any; + } + } + + function sortObject(obj) { + if (typeof obj !== 'object') { + return obj; + } + var temp = {}; + var keys = []; + for (var key in obj) { + keys.push(key); + } + keys.sort(); + for (var index in keys) { + temp[keys[index]] = sortObject(obj[keys[index]]); + } + return temp; + } + function copyTextToClipboard(text) { + var textArea = document.createElement('textarea'); + textArea.value = text; + document.body.appendChild(textArea); + textArea.select(); + try { + var successful = document.execCommand('copy'); + var msg = successful ? 'successful' : 'unsuccessful'; + console.log('Copying text command was ' + msg); + } catch (err) { + console.log('Oops, unable to copy'); + } + document.body.removeChild(textArea); + } + + function _toPrimitive(t, r) { + if ("object" != typeof t || !t) return t; + var e = t[Symbol.toPrimitive]; + if (void 0 !== e) { + var i = e.call(t, r || "default"); + if ("object" != typeof i) return i; + throw new TypeError("@@toPrimitive must return a primitive value."); + } + return ("string" === r ? String : Number)(t); + } + function _toPropertyKey(t) { + var i = _toPrimitive(t, "string"); + return "symbol" == typeof i ? i : String(i); + } + function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); + } + } + function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); + Object.defineProperty(Constructor, "prototype", { + writable: false + }); + return Constructor; + } + function _extends() { + _extends = Object.assign ? Object.assign.bind() : function (target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i]; + for (var key in source) { + if (Object.prototype.hasOwnProperty.call(source, key)) { + target[key] = source[key]; + } + } + } + return target; + }; + return _extends.apply(this, arguments); + } + + var Chart$1 = {exports: {}}; + + function commonjsRequire(path) { + throw new Error('Could not dynamically require "' + path + '". Please configure the dynamicRequireTargets or/and ignoreDynamicRequires option of @rollup/plugin-commonjs appropriately for this require call to work.'); + } + + var moment = {exports: {}}; + + var hasRequiredMoment; + + function requireMoment () { + if (hasRequiredMoment) return moment.exports; + hasRequiredMoment = 1; + (function (module, exports) { + (function (global, factory) { + module.exports = factory() ; + }(commonjsGlobal, (function () { + var hookCallback; + + function hooks() { + return hookCallback.apply(null, arguments); + } + + // This is done to register the method called with moment() + // without creating circular dependencies. + function setHookCallback(callback) { + hookCallback = callback; + } + + function isArray(input) { + return ( + input instanceof Array || + Object.prototype.toString.call(input) === '[object Array]' + ); + } + + function isObject(input) { + // IE8 will treat undefined and null as object if it wasn't for + // input != null + return ( + input != null && + Object.prototype.toString.call(input) === '[object Object]' + ); + } + + function hasOwnProp(a, b) { + return Object.prototype.hasOwnProperty.call(a, b); + } + + function isObjectEmpty(obj) { + if (Object.getOwnPropertyNames) { + return Object.getOwnPropertyNames(obj).length === 0; + } else { + var k; + for (k in obj) { + if (hasOwnProp(obj, k)) { + return false; + } + } + return true; + } + } + + function isUndefined(input) { + return input === void 0; + } + + function isNumber(input) { + return ( + typeof input === 'number' || + Object.prototype.toString.call(input) === '[object Number]' + ); + } + + function isDate(input) { + return ( + input instanceof Date || + Object.prototype.toString.call(input) === '[object Date]' + ); + } + + function map(arr, fn) { + var res = [], + i, + arrLen = arr.length; + for (i = 0; i < arrLen; ++i) { + res.push(fn(arr[i], i)); + } + return res; + } + + function extend(a, b) { + for (var i in b) { + if (hasOwnProp(b, i)) { + a[i] = b[i]; + } + } + + if (hasOwnProp(b, 'toString')) { + a.toString = b.toString; + } + + if (hasOwnProp(b, 'valueOf')) { + a.valueOf = b.valueOf; + } + + return a; + } + + function createUTC(input, format, locale, strict) { + return createLocalOrUTC(input, format, locale, strict, true).utc(); + } + + function defaultParsingFlags() { + // We need to deep clone this object. + return { + empty: false, + unusedTokens: [], + unusedInput: [], + overflow: -2, + charsLeftOver: 0, + nullInput: false, + invalidEra: null, + invalidMonth: null, + invalidFormat: false, + userInvalidated: false, + iso: false, + parsedDateParts: [], + era: null, + meridiem: null, + rfc2822: false, + weekdayMismatch: false, + }; + } + + function getParsingFlags(m) { + if (m._pf == null) { + m._pf = defaultParsingFlags(); + } + return m._pf; + } + + var some; + if (Array.prototype.some) { + some = Array.prototype.some; + } else { + some = function (fun) { + var t = Object(this), + len = t.length >>> 0, + i; + + for (i = 0; i < len; i++) { + if (i in t && fun.call(this, t[i], i, t)) { + return true; + } + } + + return false; + }; + } + + function isValid(m) { + if (m._isValid == null) { + var flags = getParsingFlags(m), + parsedParts = some.call(flags.parsedDateParts, function (i) { + return i != null; + }), + isNowValid = + !isNaN(m._d.getTime()) && + flags.overflow < 0 && + !flags.empty && + !flags.invalidEra && + !flags.invalidMonth && + !flags.invalidWeekday && + !flags.weekdayMismatch && + !flags.nullInput && + !flags.invalidFormat && + !flags.userInvalidated && + (!flags.meridiem || (flags.meridiem && parsedParts)); + + if (m._strict) { + isNowValid = + isNowValid && + flags.charsLeftOver === 0 && + flags.unusedTokens.length === 0 && + flags.bigHour === undefined; + } + + if (Object.isFrozen == null || !Object.isFrozen(m)) { + m._isValid = isNowValid; + } else { + return isNowValid; + } + } + return m._isValid; + } + + function createInvalid(flags) { + var m = createUTC(NaN); + if (flags != null) { + extend(getParsingFlags(m), flags); + } else { + getParsingFlags(m).userInvalidated = true; + } + + return m; + } + + // Plugins that add properties should also add the key here (null value), + // so we can properly clone ourselves. + var momentProperties = (hooks.momentProperties = []), + updateInProgress = false; + + function copyConfig(to, from) { + var i, + prop, + val, + momentPropertiesLen = momentProperties.length; + + if (!isUndefined(from._isAMomentObject)) { + to._isAMomentObject = from._isAMomentObject; + } + if (!isUndefined(from._i)) { + to._i = from._i; + } + if (!isUndefined(from._f)) { + to._f = from._f; + } + if (!isUndefined(from._l)) { + to._l = from._l; + } + if (!isUndefined(from._strict)) { + to._strict = from._strict; + } + if (!isUndefined(from._tzm)) { + to._tzm = from._tzm; + } + if (!isUndefined(from._isUTC)) { + to._isUTC = from._isUTC; + } + if (!isUndefined(from._offset)) { + to._offset = from._offset; + } + if (!isUndefined(from._pf)) { + to._pf = getParsingFlags(from); + } + if (!isUndefined(from._locale)) { + to._locale = from._locale; + } + + if (momentPropertiesLen > 0) { + for (i = 0; i < momentPropertiesLen; i++) { + prop = momentProperties[i]; + val = from[prop]; + if (!isUndefined(val)) { + to[prop] = val; + } + } + } + + return to; + } + + // Moment prototype object + function Moment(config) { + copyConfig(this, config); + this._d = new Date(config._d != null ? config._d.getTime() : NaN); + if (!this.isValid()) { + this._d = new Date(NaN); + } + // Prevent infinite loop in case updateOffset creates new moment + // objects. + if (updateInProgress === false) { + updateInProgress = true; + hooks.updateOffset(this); + updateInProgress = false; + } + } + + function isMoment(obj) { + return ( + obj instanceof Moment || (obj != null && obj._isAMomentObject != null) + ); + } + + function warn(msg) { + if ( + hooks.suppressDeprecationWarnings === false && + typeof console !== 'undefined' && + console.warn + ) { + console.warn('Deprecation warning: ' + msg); + } + } + + function deprecate(msg, fn) { + var firstTime = true; + + return extend(function () { + if (hooks.deprecationHandler != null) { + hooks.deprecationHandler(null, msg); + } + if (firstTime) { + var args = [], + arg, + i, + key, + argLen = arguments.length; + for (i = 0; i < argLen; i++) { + arg = ''; + if (typeof arguments[i] === 'object') { + arg += '\n[' + i + '] '; + for (key in arguments[0]) { + if (hasOwnProp(arguments[0], key)) { + arg += key + ': ' + arguments[0][key] + ', '; + } + } + arg = arg.slice(0, -2); // Remove trailing comma and space + } else { + arg = arguments[i]; + } + args.push(arg); + } + warn( + msg + + '\nArguments: ' + + Array.prototype.slice.call(args).join('') + + '\n' + + new Error().stack + ); + firstTime = false; + } + return fn.apply(this, arguments); + }, fn); + } + + var deprecations = {}; + + function deprecateSimple(name, msg) { + if (hooks.deprecationHandler != null) { + hooks.deprecationHandler(name, msg); + } + if (!deprecations[name]) { + warn(msg); + deprecations[name] = true; + } + } + + hooks.suppressDeprecationWarnings = false; + hooks.deprecationHandler = null; + + function isFunction(input) { + return ( + (typeof Function !== 'undefined' && input instanceof Function) || + Object.prototype.toString.call(input) === '[object Function]' + ); + } + + function set(config) { + var prop, i; + for (i in config) { + if (hasOwnProp(config, i)) { + prop = config[i]; + if (isFunction(prop)) { + this[i] = prop; + } else { + this['_' + i] = prop; + } + } + } + this._config = config; + // Lenient ordinal parsing accepts just a number in addition to + // number + (possibly) stuff coming from _dayOfMonthOrdinalParse. + // TODO: Remove "ordinalParse" fallback in next major release. + this._dayOfMonthOrdinalParseLenient = new RegExp( + (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) + + '|' + + /\d{1,2}/.source + ); + } + + function mergeConfigs(parentConfig, childConfig) { + var res = extend({}, parentConfig), + prop; + for (prop in childConfig) { + if (hasOwnProp(childConfig, prop)) { + if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) { + res[prop] = {}; + extend(res[prop], parentConfig[prop]); + extend(res[prop], childConfig[prop]); + } else if (childConfig[prop] != null) { + res[prop] = childConfig[prop]; + } else { + delete res[prop]; + } + } + } + for (prop in parentConfig) { + if ( + hasOwnProp(parentConfig, prop) && + !hasOwnProp(childConfig, prop) && + isObject(parentConfig[prop]) + ) { + // make sure changes to properties don't modify parent config + res[prop] = extend({}, res[prop]); + } + } + return res; + } + + function Locale(config) { + if (config != null) { + this.set(config); + } + } + + var keys; + + if (Object.keys) { + keys = Object.keys; + } else { + keys = function (obj) { + var i, + res = []; + for (i in obj) { + if (hasOwnProp(obj, i)) { + res.push(i); + } + } + return res; + }; + } + + var defaultCalendar = { + sameDay: '[Today at] LT', + nextDay: '[Tomorrow at] LT', + nextWeek: 'dddd [at] LT', + lastDay: '[Yesterday at] LT', + lastWeek: '[Last] dddd [at] LT', + sameElse: 'L', + }; + + function calendar(key, mom, now) { + var output = this._calendar[key] || this._calendar['sameElse']; + return isFunction(output) ? output.call(mom, now) : output; + } + + function zeroFill(number, targetLength, forceSign) { + var absNumber = '' + Math.abs(number), + zerosToFill = targetLength - absNumber.length, + sign = number >= 0; + return ( + (sign ? (forceSign ? '+' : '') : '-') + + Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + + absNumber + ); + } + + var formattingTokens = + /(\[[^\[]*\])|(\\)?([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, + localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g, + formatFunctions = {}, + formatTokenFunctions = {}; + + // token: 'M' + // padded: ['MM', 2] + // ordinal: 'Mo' + // callback: function () { this.month() + 1 } + function addFormatToken(token, padded, ordinal, callback) { + var func = callback; + if (typeof callback === 'string') { + func = function () { + return this[callback](); + }; + } + if (token) { + formatTokenFunctions[token] = func; + } + if (padded) { + formatTokenFunctions[padded[0]] = function () { + return zeroFill(func.apply(this, arguments), padded[1], padded[2]); + }; + } + if (ordinal) { + formatTokenFunctions[ordinal] = function () { + return this.localeData().ordinal( + func.apply(this, arguments), + token + ); + }; + } + } + + function removeFormattingTokens(input) { + if (input.match(/\[[\s\S]/)) { + return input.replace(/^\[|\]$/g, ''); + } + return input.replace(/\\/g, ''); + } + + function makeFormatFunction(format) { + var array = format.match(formattingTokens), + i, + length; + + for (i = 0, length = array.length; i < length; i++) { + if (formatTokenFunctions[array[i]]) { + array[i] = formatTokenFunctions[array[i]]; + } else { + array[i] = removeFormattingTokens(array[i]); + } + } + + return function (mom) { + var output = '', + i; + for (i = 0; i < length; i++) { + output += isFunction(array[i]) + ? array[i].call(mom, format) + : array[i]; + } + return output; + }; + } + + // format date using native date object + function formatMoment(m, format) { + if (!m.isValid()) { + return m.localeData().invalidDate(); + } + + format = expandFormat(format, m.localeData()); + formatFunctions[format] = + formatFunctions[format] || makeFormatFunction(format); + + return formatFunctions[format](m); + } + + function expandFormat(format, locale) { + var i = 5; + + function replaceLongDateFormatTokens(input) { + return locale.longDateFormat(input) || input; + } + + localFormattingTokens.lastIndex = 0; + while (i >= 0 && localFormattingTokens.test(format)) { + format = format.replace( + localFormattingTokens, + replaceLongDateFormatTokens + ); + localFormattingTokens.lastIndex = 0; + i -= 1; + } + + return format; + } + + var defaultLongDateFormat = { + LTS: 'h:mm:ss A', + LT: 'h:mm A', + L: 'MM/DD/YYYY', + LL: 'MMMM D, YYYY', + LLL: 'MMMM D, YYYY h:mm A', + LLLL: 'dddd, MMMM D, YYYY h:mm A', + }; + + function longDateFormat(key) { + var format = this._longDateFormat[key], + formatUpper = this._longDateFormat[key.toUpperCase()]; + + if (format || !formatUpper) { + return format; + } + + this._longDateFormat[key] = formatUpper + .match(formattingTokens) + .map(function (tok) { + if ( + tok === 'MMMM' || + tok === 'MM' || + tok === 'DD' || + tok === 'dddd' + ) { + return tok.slice(1); + } + return tok; + }) + .join(''); + + return this._longDateFormat[key]; + } + + var defaultInvalidDate = 'Invalid date'; + + function invalidDate() { + return this._invalidDate; + } + + var defaultOrdinal = '%d', + defaultDayOfMonthOrdinalParse = /\d{1,2}/; + + function ordinal(number) { + return this._ordinal.replace('%d', number); + } + + var defaultRelativeTime = { + future: 'in %s', + past: '%s ago', + s: 'a few seconds', + ss: '%d seconds', + m: 'a minute', + mm: '%d minutes', + h: 'an hour', + hh: '%d hours', + d: 'a day', + dd: '%d days', + w: 'a week', + ww: '%d weeks', + M: 'a month', + MM: '%d months', + y: 'a year', + yy: '%d years', + }; + + function relativeTime(number, withoutSuffix, string, isFuture) { + var output = this._relativeTime[string]; + return isFunction(output) + ? output(number, withoutSuffix, string, isFuture) + : output.replace(/%d/i, number); + } + + function pastFuture(diff, output) { + var format = this._relativeTime[diff > 0 ? 'future' : 'past']; + return isFunction(format) ? format(output) : format.replace(/%s/i, output); + } + + var aliases = {}; + + function addUnitAlias(unit, shorthand) { + var lowerCase = unit.toLowerCase(); + aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit; + } + + function normalizeUnits(units) { + return typeof units === 'string' + ? aliases[units] || aliases[units.toLowerCase()] + : undefined; + } + + function normalizeObjectUnits(inputObject) { + var normalizedInput = {}, + normalizedProp, + prop; + + for (prop in inputObject) { + if (hasOwnProp(inputObject, prop)) { + normalizedProp = normalizeUnits(prop); + if (normalizedProp) { + normalizedInput[normalizedProp] = inputObject[prop]; + } + } + } + + return normalizedInput; + } + + var priorities = {}; + + function addUnitPriority(unit, priority) { + priorities[unit] = priority; + } + + function getPrioritizedUnits(unitsObj) { + var units = [], + u; + for (u in unitsObj) { + if (hasOwnProp(unitsObj, u)) { + units.push({ unit: u, priority: priorities[u] }); + } + } + units.sort(function (a, b) { + return a.priority - b.priority; + }); + return units; + } + + function isLeapYear(year) { + return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0; + } + + function absFloor(number) { + if (number < 0) { + // -0 -> 0 + return Math.ceil(number) || 0; + } else { + return Math.floor(number); + } + } + + function toInt(argumentForCoercion) { + var coercedNumber = +argumentForCoercion, + value = 0; + + if (coercedNumber !== 0 && isFinite(coercedNumber)) { + value = absFloor(coercedNumber); + } + + return value; + } + + function makeGetSet(unit, keepTime) { + return function (value) { + if (value != null) { + set$1(this, unit, value); + hooks.updateOffset(this, keepTime); + return this; + } else { + return get(this, unit); + } + }; + } + + function get(mom, unit) { + return mom.isValid() + ? mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() + : NaN; + } + + function set$1(mom, unit, value) { + if (mom.isValid() && !isNaN(value)) { + if ( + unit === 'FullYear' && + isLeapYear(mom.year()) && + mom.month() === 1 && + mom.date() === 29 + ) { + value = toInt(value); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit]( + value, + mom.month(), + daysInMonth(value, mom.month()) + ); + } else { + mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value); + } + } + } + + // MOMENTS + + function stringGet(units) { + units = normalizeUnits(units); + if (isFunction(this[units])) { + return this[units](); + } + return this; + } + + function stringSet(units, value) { + if (typeof units === 'object') { + units = normalizeObjectUnits(units); + var prioritized = getPrioritizedUnits(units), + i, + prioritizedLen = prioritized.length; + for (i = 0; i < prioritizedLen; i++) { + this[prioritized[i].unit](units[prioritized[i].unit]); + } + } else { + units = normalizeUnits(units); + if (isFunction(this[units])) { + return this[units](value); + } + } + return this; + } + + var match1 = /\d/, // 0 - 9 + match2 = /\d\d/, // 00 - 99 + match3 = /\d{3}/, // 000 - 999 + match4 = /\d{4}/, // 0000 - 9999 + match6 = /[+-]?\d{6}/, // -999999 - 999999 + match1to2 = /\d\d?/, // 0 - 99 + match3to4 = /\d\d\d\d?/, // 999 - 9999 + match5to6 = /\d\d\d\d\d\d?/, // 99999 - 999999 + match1to3 = /\d{1,3}/, // 0 - 999 + match1to4 = /\d{1,4}/, // 0 - 9999 + match1to6 = /[+-]?\d{1,6}/, // -999999 - 999999 + matchUnsigned = /\d+/, // 0 - inf + matchSigned = /[+-]?\d+/, // -inf - inf + matchOffset = /Z|[+-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z + matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi, // +00 -00 +00:00 -00:00 +0000 -0000 or Z + matchTimestamp = /[+-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123 + // any word (or two) characters or numbers including two/three word month in arabic. + // includes scottish gaelic two word and hyphenated months + matchWord = + /[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, + regexes; + + regexes = {}; + + function addRegexToken(token, regex, strictRegex) { + regexes[token] = isFunction(regex) + ? regex + : function (isStrict, localeData) { + return isStrict && strictRegex ? strictRegex : regex; + }; + } + + function getParseRegexForToken(token, config) { + if (!hasOwnProp(regexes, token)) { + return new RegExp(unescapeFormat(token)); + } + + return regexes[token](config._strict, config._locale); + } + + // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript + function unescapeFormat(s) { + return regexEscape( + s + .replace('\\', '') + .replace( + /\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, + function (matched, p1, p2, p3, p4) { + return p1 || p2 || p3 || p4; + } + ) + ); + } + + function regexEscape(s) { + return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); + } + + var tokens = {}; + + function addParseToken(token, callback) { + var i, + func = callback, + tokenLen; + if (typeof token === 'string') { + token = [token]; + } + if (isNumber(callback)) { + func = function (input, array) { + array[callback] = toInt(input); + }; + } + tokenLen = token.length; + for (i = 0; i < tokenLen; i++) { + tokens[token[i]] = func; + } + } + + function addWeekParseToken(token, callback) { + addParseToken(token, function (input, array, config, token) { + config._w = config._w || {}; + callback(input, config._w, config, token); + }); + } + + function addTimeToArrayFromToken(token, input, config) { + if (input != null && hasOwnProp(tokens, token)) { + tokens[token](input, config._a, config, token); + } + } + + var YEAR = 0, + MONTH = 1, + DATE = 2, + HOUR = 3, + MINUTE = 4, + SECOND = 5, + MILLISECOND = 6, + WEEK = 7, + WEEKDAY = 8; + + function mod(n, x) { + return ((n % x) + x) % x; + } + + var indexOf; + + if (Array.prototype.indexOf) { + indexOf = Array.prototype.indexOf; + } else { + indexOf = function (o) { + // I know + var i; + for (i = 0; i < this.length; ++i) { + if (this[i] === o) { + return i; + } + } + return -1; + }; + } + + function daysInMonth(year, month) { + if (isNaN(year) || isNaN(month)) { + return NaN; + } + var modMonth = mod(month, 12); + year += (month - modMonth) / 12; + return modMonth === 1 + ? isLeapYear(year) + ? 29 + : 28 + : 31 - ((modMonth % 7) % 2); + } + + // FORMATTING + + addFormatToken('M', ['MM', 2], 'Mo', function () { + return this.month() + 1; + }); + + addFormatToken('MMM', 0, 0, function (format) { + return this.localeData().monthsShort(this, format); + }); + + addFormatToken('MMMM', 0, 0, function (format) { + return this.localeData().months(this, format); + }); + + // ALIASES + + addUnitAlias('month', 'M'); + + // PRIORITY + + addUnitPriority('month', 8); + + // PARSING + + addRegexToken('M', match1to2); + addRegexToken('MM', match1to2, match2); + addRegexToken('MMM', function (isStrict, locale) { + return locale.monthsShortRegex(isStrict); + }); + addRegexToken('MMMM', function (isStrict, locale) { + return locale.monthsRegex(isStrict); + }); + + addParseToken(['M', 'MM'], function (input, array) { + array[MONTH] = toInt(input) - 1; + }); + + addParseToken(['MMM', 'MMMM'], function (input, array, config, token) { + var month = config._locale.monthsParse(input, token, config._strict); + // if we didn't find a month name, mark the date as invalid. + if (month != null) { + array[MONTH] = month; + } else { + getParsingFlags(config).invalidMonth = input; + } + }); + + // LOCALES + + var defaultLocaleMonths = + 'January_February_March_April_May_June_July_August_September_October_November_December'.split( + '_' + ), + defaultLocaleMonthsShort = + 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'), + MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/, + defaultMonthsShortRegex = matchWord, + defaultMonthsRegex = matchWord; + + function localeMonths(m, format) { + if (!m) { + return isArray(this._months) + ? this._months + : this._months['standalone']; + } + return isArray(this._months) + ? this._months[m.month()] + : this._months[ + (this._months.isFormat || MONTHS_IN_FORMAT).test(format) + ? 'format' + : 'standalone' + ][m.month()]; + } + + function localeMonthsShort(m, format) { + if (!m) { + return isArray(this._monthsShort) + ? this._monthsShort + : this._monthsShort['standalone']; + } + return isArray(this._monthsShort) + ? this._monthsShort[m.month()] + : this._monthsShort[ + MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone' + ][m.month()]; + } + + function handleStrictParse(monthName, format, strict) { + var i, + ii, + mom, + llc = monthName.toLocaleLowerCase(); + if (!this._monthsParse) { + // this is not used + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + for (i = 0; i < 12; ++i) { + mom = createUTC([2000, i]); + this._shortMonthsParse[i] = this.monthsShort( + mom, + '' + ).toLocaleLowerCase(); + this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase(); + } + } + + if (strict) { + if (format === 'MMM') { + ii = indexOf.call(this._shortMonthsParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._longMonthsParse, llc); + return ii !== -1 ? ii : null; + } + } else { + if (format === 'MMM') { + ii = indexOf.call(this._shortMonthsParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._longMonthsParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._longMonthsParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortMonthsParse, llc); + return ii !== -1 ? ii : null; + } + } + } + + function localeMonthsParse(monthName, format, strict) { + var i, mom, regex; + + if (this._monthsParseExact) { + return handleStrictParse.call(this, monthName, format, strict); + } + + if (!this._monthsParse) { + this._monthsParse = []; + this._longMonthsParse = []; + this._shortMonthsParse = []; + } + + // TODO: add sorting + // Sorting makes sure if one month (or abbr) is a prefix of another + // see sorting in computeMonthsParse + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, i]); + if (strict && !this._longMonthsParse[i]) { + this._longMonthsParse[i] = new RegExp( + '^' + this.months(mom, '').replace('.', '') + '$', + 'i' + ); + this._shortMonthsParse[i] = new RegExp( + '^' + this.monthsShort(mom, '').replace('.', '') + '$', + 'i' + ); + } + if (!strict && !this._monthsParse[i]) { + regex = + '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, ''); + this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if ( + strict && + format === 'MMMM' && + this._longMonthsParse[i].test(monthName) + ) { + return i; + } else if ( + strict && + format === 'MMM' && + this._shortMonthsParse[i].test(monthName) + ) { + return i; + } else if (!strict && this._monthsParse[i].test(monthName)) { + return i; + } + } + } + + // MOMENTS + + function setMonth(mom, value) { + var dayOfMonth; + + if (!mom.isValid()) { + // No op + return mom; + } + + if (typeof value === 'string') { + if (/^\d+$/.test(value)) { + value = toInt(value); + } else { + value = mom.localeData().monthsParse(value); + // TODO: Another silent failure? + if (!isNumber(value)) { + return mom; + } + } + } + + dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value)); + mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth); + return mom; + } + + function getSetMonth(value) { + if (value != null) { + setMonth(this, value); + hooks.updateOffset(this, true); + return this; + } else { + return get(this, 'Month'); + } + } + + function getDaysInMonth() { + return daysInMonth(this.year(), this.month()); + } + + function monthsShortRegex(isStrict) { + if (this._monthsParseExact) { + if (!hasOwnProp(this, '_monthsRegex')) { + computeMonthsParse.call(this); + } + if (isStrict) { + return this._monthsShortStrictRegex; + } else { + return this._monthsShortRegex; + } + } else { + if (!hasOwnProp(this, '_monthsShortRegex')) { + this._monthsShortRegex = defaultMonthsShortRegex; + } + return this._monthsShortStrictRegex && isStrict + ? this._monthsShortStrictRegex + : this._monthsShortRegex; + } + } + + function monthsRegex(isStrict) { + if (this._monthsParseExact) { + if (!hasOwnProp(this, '_monthsRegex')) { + computeMonthsParse.call(this); + } + if (isStrict) { + return this._monthsStrictRegex; + } else { + return this._monthsRegex; + } + } else { + if (!hasOwnProp(this, '_monthsRegex')) { + this._monthsRegex = defaultMonthsRegex; + } + return this._monthsStrictRegex && isStrict + ? this._monthsStrictRegex + : this._monthsRegex; + } + } + + function computeMonthsParse() { + function cmpLenRev(a, b) { + return b.length - a.length; + } + + var shortPieces = [], + longPieces = [], + mixedPieces = [], + i, + mom; + for (i = 0; i < 12; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, i]); + shortPieces.push(this.monthsShort(mom, '')); + longPieces.push(this.months(mom, '')); + mixedPieces.push(this.months(mom, '')); + mixedPieces.push(this.monthsShort(mom, '')); + } + // Sorting makes sure if one month (or abbr) is a prefix of another it + // will match the longer piece. + shortPieces.sort(cmpLenRev); + longPieces.sort(cmpLenRev); + mixedPieces.sort(cmpLenRev); + for (i = 0; i < 12; i++) { + shortPieces[i] = regexEscape(shortPieces[i]); + longPieces[i] = regexEscape(longPieces[i]); + } + for (i = 0; i < 24; i++) { + mixedPieces[i] = regexEscape(mixedPieces[i]); + } + + this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); + this._monthsShortRegex = this._monthsRegex; + this._monthsStrictRegex = new RegExp( + '^(' + longPieces.join('|') + ')', + 'i' + ); + this._monthsShortStrictRegex = new RegExp( + '^(' + shortPieces.join('|') + ')', + 'i' + ); + } + + // FORMATTING + + addFormatToken('Y', 0, 0, function () { + var y = this.year(); + return y <= 9999 ? zeroFill(y, 4) : '+' + y; + }); + + addFormatToken(0, ['YY', 2], 0, function () { + return this.year() % 100; + }); + + addFormatToken(0, ['YYYY', 4], 0, 'year'); + addFormatToken(0, ['YYYYY', 5], 0, 'year'); + addFormatToken(0, ['YYYYYY', 6, true], 0, 'year'); + + // ALIASES + + addUnitAlias('year', 'y'); + + // PRIORITIES + + addUnitPriority('year', 1); + + // PARSING + + addRegexToken('Y', matchSigned); + addRegexToken('YY', match1to2, match2); + addRegexToken('YYYY', match1to4, match4); + addRegexToken('YYYYY', match1to6, match6); + addRegexToken('YYYYYY', match1to6, match6); + + addParseToken(['YYYYY', 'YYYYYY'], YEAR); + addParseToken('YYYY', function (input, array) { + array[YEAR] = + input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input); + }); + addParseToken('YY', function (input, array) { + array[YEAR] = hooks.parseTwoDigitYear(input); + }); + addParseToken('Y', function (input, array) { + array[YEAR] = parseInt(input, 10); + }); + + // HELPERS + + function daysInYear(year) { + return isLeapYear(year) ? 366 : 365; + } + + // HOOKS + + hooks.parseTwoDigitYear = function (input) { + return toInt(input) + (toInt(input) > 68 ? 1900 : 2000); + }; + + // MOMENTS + + var getSetYear = makeGetSet('FullYear', true); + + function getIsLeapYear() { + return isLeapYear(this.year()); + } + + function createDate(y, m, d, h, M, s, ms) { + // can't just apply() to create a date: + // https://stackoverflow.com/q/181348 + var date; + // the date constructor remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0) { + // preserve leap years using a full 400 year cycle, then reset + date = new Date(y + 400, m, d, h, M, s, ms); + if (isFinite(date.getFullYear())) { + date.setFullYear(y); + } + } else { + date = new Date(y, m, d, h, M, s, ms); + } + + return date; + } + + function createUTCDate(y) { + var date, args; + // the Date.UTC function remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0) { + args = Array.prototype.slice.call(arguments); + // preserve leap years using a full 400 year cycle, then reset + args[0] = y + 400; + date = new Date(Date.UTC.apply(null, args)); + if (isFinite(date.getUTCFullYear())) { + date.setUTCFullYear(y); + } + } else { + date = new Date(Date.UTC.apply(null, arguments)); + } + + return date; + } + + // start-of-first-week - start-of-year + function firstWeekOffset(year, dow, doy) { + var // first-week day -- which january is always in the first week (4 for iso, 1 for other) + fwd = 7 + dow - doy, + // first-week day local weekday -- which local weekday is fwd + fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7; + + return -fwdlw + fwd - 1; + } + + // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday + function dayOfYearFromWeeks(year, week, weekday, dow, doy) { + var localWeekday = (7 + weekday - dow) % 7, + weekOffset = firstWeekOffset(year, dow, doy), + dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset, + resYear, + resDayOfYear; + + if (dayOfYear <= 0) { + resYear = year - 1; + resDayOfYear = daysInYear(resYear) + dayOfYear; + } else if (dayOfYear > daysInYear(year)) { + resYear = year + 1; + resDayOfYear = dayOfYear - daysInYear(year); + } else { + resYear = year; + resDayOfYear = dayOfYear; + } + + return { + year: resYear, + dayOfYear: resDayOfYear, + }; + } + + function weekOfYear(mom, dow, doy) { + var weekOffset = firstWeekOffset(mom.year(), dow, doy), + week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1, + resWeek, + resYear; + + if (week < 1) { + resYear = mom.year() - 1; + resWeek = week + weeksInYear(resYear, dow, doy); + } else if (week > weeksInYear(mom.year(), dow, doy)) { + resWeek = week - weeksInYear(mom.year(), dow, doy); + resYear = mom.year() + 1; + } else { + resYear = mom.year(); + resWeek = week; + } + + return { + week: resWeek, + year: resYear, + }; + } + + function weeksInYear(year, dow, doy) { + var weekOffset = firstWeekOffset(year, dow, doy), + weekOffsetNext = firstWeekOffset(year + 1, dow, doy); + return (daysInYear(year) - weekOffset + weekOffsetNext) / 7; + } + + // FORMATTING + + addFormatToken('w', ['ww', 2], 'wo', 'week'); + addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek'); + + // ALIASES + + addUnitAlias('week', 'w'); + addUnitAlias('isoWeek', 'W'); + + // PRIORITIES + + addUnitPriority('week', 5); + addUnitPriority('isoWeek', 5); + + // PARSING + + addRegexToken('w', match1to2); + addRegexToken('ww', match1to2, match2); + addRegexToken('W', match1to2); + addRegexToken('WW', match1to2, match2); + + addWeekParseToken( + ['w', 'ww', 'W', 'WW'], + function (input, week, config, token) { + week[token.substr(0, 1)] = toInt(input); + } + ); + + // HELPERS + + // LOCALES + + function localeWeek(mom) { + return weekOfYear(mom, this._week.dow, this._week.doy).week; + } + + var defaultLocaleWeek = { + dow: 0, // Sunday is the first day of the week. + doy: 6, // The week that contains Jan 6th is the first week of the year. + }; + + function localeFirstDayOfWeek() { + return this._week.dow; + } + + function localeFirstDayOfYear() { + return this._week.doy; + } + + // MOMENTS + + function getSetWeek(input) { + var week = this.localeData().week(this); + return input == null ? week : this.add((input - week) * 7, 'd'); + } + + function getSetISOWeek(input) { + var week = weekOfYear(this, 1, 4).week; + return input == null ? week : this.add((input - week) * 7, 'd'); + } + + // FORMATTING + + addFormatToken('d', 0, 'do', 'day'); + + addFormatToken('dd', 0, 0, function (format) { + return this.localeData().weekdaysMin(this, format); + }); + + addFormatToken('ddd', 0, 0, function (format) { + return this.localeData().weekdaysShort(this, format); + }); + + addFormatToken('dddd', 0, 0, function (format) { + return this.localeData().weekdays(this, format); + }); + + addFormatToken('e', 0, 0, 'weekday'); + addFormatToken('E', 0, 0, 'isoWeekday'); + + // ALIASES + + addUnitAlias('day', 'd'); + addUnitAlias('weekday', 'e'); + addUnitAlias('isoWeekday', 'E'); + + // PRIORITY + addUnitPriority('day', 11); + addUnitPriority('weekday', 11); + addUnitPriority('isoWeekday', 11); + + // PARSING + + addRegexToken('d', match1to2); + addRegexToken('e', match1to2); + addRegexToken('E', match1to2); + addRegexToken('dd', function (isStrict, locale) { + return locale.weekdaysMinRegex(isStrict); + }); + addRegexToken('ddd', function (isStrict, locale) { + return locale.weekdaysShortRegex(isStrict); + }); + addRegexToken('dddd', function (isStrict, locale) { + return locale.weekdaysRegex(isStrict); + }); + + addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) { + var weekday = config._locale.weekdaysParse(input, token, config._strict); + // if we didn't get a weekday name, mark the date as invalid + if (weekday != null) { + week.d = weekday; + } else { + getParsingFlags(config).invalidWeekday = input; + } + }); + + addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) { + week[token] = toInt(input); + }); + + // HELPERS + + function parseWeekday(input, locale) { + if (typeof input !== 'string') { + return input; + } + + if (!isNaN(input)) { + return parseInt(input, 10); + } + + input = locale.weekdaysParse(input); + if (typeof input === 'number') { + return input; + } + + return null; + } + + function parseIsoWeekday(input, locale) { + if (typeof input === 'string') { + return locale.weekdaysParse(input) % 7 || 7; + } + return isNaN(input) ? null : input; + } + + // LOCALES + function shiftWeekdays(ws, n) { + return ws.slice(n, 7).concat(ws.slice(0, n)); + } + + var defaultLocaleWeekdays = + 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'), + defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'), + defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'), + defaultWeekdaysRegex = matchWord, + defaultWeekdaysShortRegex = matchWord, + defaultWeekdaysMinRegex = matchWord; + + function localeWeekdays(m, format) { + var weekdays = isArray(this._weekdays) + ? this._weekdays + : this._weekdays[ + m && m !== true && this._weekdays.isFormat.test(format) + ? 'format' + : 'standalone' + ]; + return m === true + ? shiftWeekdays(weekdays, this._week.dow) + : m + ? weekdays[m.day()] + : weekdays; + } + + function localeWeekdaysShort(m) { + return m === true + ? shiftWeekdays(this._weekdaysShort, this._week.dow) + : m + ? this._weekdaysShort[m.day()] + : this._weekdaysShort; + } + + function localeWeekdaysMin(m) { + return m === true + ? shiftWeekdays(this._weekdaysMin, this._week.dow) + : m + ? this._weekdaysMin[m.day()] + : this._weekdaysMin; + } + + function handleStrictParse$1(weekdayName, format, strict) { + var i, + ii, + mom, + llc = weekdayName.toLocaleLowerCase(); + if (!this._weekdaysParse) { + this._weekdaysParse = []; + this._shortWeekdaysParse = []; + this._minWeekdaysParse = []; + + for (i = 0; i < 7; ++i) { + mom = createUTC([2000, 1]).day(i); + this._minWeekdaysParse[i] = this.weekdaysMin( + mom, + '' + ).toLocaleLowerCase(); + this._shortWeekdaysParse[i] = this.weekdaysShort( + mom, + '' + ).toLocaleLowerCase(); + this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase(); + } + } + + if (strict) { + if (format === 'dddd') { + ii = indexOf.call(this._weekdaysParse, llc); + return ii !== -1 ? ii : null; + } else if (format === 'ddd') { + ii = indexOf.call(this._shortWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } + } else { + if (format === 'dddd') { + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else if (format === 'ddd') { + ii = indexOf.call(this._shortWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._minWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } else { + ii = indexOf.call(this._minWeekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._weekdaysParse, llc); + if (ii !== -1) { + return ii; + } + ii = indexOf.call(this._shortWeekdaysParse, llc); + return ii !== -1 ? ii : null; + } + } + } + + function localeWeekdaysParse(weekdayName, format, strict) { + var i, mom, regex; + + if (this._weekdaysParseExact) { + return handleStrictParse$1.call(this, weekdayName, format, strict); + } + + if (!this._weekdaysParse) { + this._weekdaysParse = []; + this._minWeekdaysParse = []; + this._shortWeekdaysParse = []; + this._fullWeekdaysParse = []; + } + + for (i = 0; i < 7; i++) { + // make the regex if we don't have it already + + mom = createUTC([2000, 1]).day(i); + if (strict && !this._fullWeekdaysParse[i]) { + this._fullWeekdaysParse[i] = new RegExp( + '^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', + 'i' + ); + this._shortWeekdaysParse[i] = new RegExp( + '^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', + 'i' + ); + this._minWeekdaysParse[i] = new RegExp( + '^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', + 'i' + ); + } + if (!this._weekdaysParse[i]) { + regex = + '^' + + this.weekdays(mom, '') + + '|^' + + this.weekdaysShort(mom, '') + + '|^' + + this.weekdaysMin(mom, ''); + this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i'); + } + // test the regex + if ( + strict && + format === 'dddd' && + this._fullWeekdaysParse[i].test(weekdayName) + ) { + return i; + } else if ( + strict && + format === 'ddd' && + this._shortWeekdaysParse[i].test(weekdayName) + ) { + return i; + } else if ( + strict && + format === 'dd' && + this._minWeekdaysParse[i].test(weekdayName) + ) { + return i; + } else if (!strict && this._weekdaysParse[i].test(weekdayName)) { + return i; + } + } + } + + // MOMENTS + + function getSetDayOfWeek(input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay(); + if (input != null) { + input = parseWeekday(input, this.localeData()); + return this.add(input - day, 'd'); + } else { + return day; + } + } + + function getSetLocaleDayOfWeek(input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7; + return input == null ? weekday : this.add(input - weekday, 'd'); + } + + function getSetISODayOfWeek(input) { + if (!this.isValid()) { + return input != null ? this : NaN; + } + + // behaves the same as moment#day except + // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6) + // as a setter, sunday should belong to the previous week. + + if (input != null) { + var weekday = parseIsoWeekday(input, this.localeData()); + return this.day(this.day() % 7 ? weekday : weekday - 7); + } else { + return this.day() || 7; + } + } + + function weekdaysRegex(isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysStrictRegex; + } else { + return this._weekdaysRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysRegex')) { + this._weekdaysRegex = defaultWeekdaysRegex; + } + return this._weekdaysStrictRegex && isStrict + ? this._weekdaysStrictRegex + : this._weekdaysRegex; + } + } + + function weekdaysShortRegex(isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysShortStrictRegex; + } else { + return this._weekdaysShortRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysShortRegex')) { + this._weekdaysShortRegex = defaultWeekdaysShortRegex; + } + return this._weekdaysShortStrictRegex && isStrict + ? this._weekdaysShortStrictRegex + : this._weekdaysShortRegex; + } + } + + function weekdaysMinRegex(isStrict) { + if (this._weekdaysParseExact) { + if (!hasOwnProp(this, '_weekdaysRegex')) { + computeWeekdaysParse.call(this); + } + if (isStrict) { + return this._weekdaysMinStrictRegex; + } else { + return this._weekdaysMinRegex; + } + } else { + if (!hasOwnProp(this, '_weekdaysMinRegex')) { + this._weekdaysMinRegex = defaultWeekdaysMinRegex; + } + return this._weekdaysMinStrictRegex && isStrict + ? this._weekdaysMinStrictRegex + : this._weekdaysMinRegex; + } + } + + function computeWeekdaysParse() { + function cmpLenRev(a, b) { + return b.length - a.length; + } + + var minPieces = [], + shortPieces = [], + longPieces = [], + mixedPieces = [], + i, + mom, + minp, + shortp, + longp; + for (i = 0; i < 7; i++) { + // make the regex if we don't have it already + mom = createUTC([2000, 1]).day(i); + minp = regexEscape(this.weekdaysMin(mom, '')); + shortp = regexEscape(this.weekdaysShort(mom, '')); + longp = regexEscape(this.weekdays(mom, '')); + minPieces.push(minp); + shortPieces.push(shortp); + longPieces.push(longp); + mixedPieces.push(minp); + mixedPieces.push(shortp); + mixedPieces.push(longp); + } + // Sorting makes sure if one weekday (or abbr) is a prefix of another it + // will match the longer piece. + minPieces.sort(cmpLenRev); + shortPieces.sort(cmpLenRev); + longPieces.sort(cmpLenRev); + mixedPieces.sort(cmpLenRev); + + this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); + this._weekdaysShortRegex = this._weekdaysRegex; + this._weekdaysMinRegex = this._weekdaysRegex; + + this._weekdaysStrictRegex = new RegExp( + '^(' + longPieces.join('|') + ')', + 'i' + ); + this._weekdaysShortStrictRegex = new RegExp( + '^(' + shortPieces.join('|') + ')', + 'i' + ); + this._weekdaysMinStrictRegex = new RegExp( + '^(' + minPieces.join('|') + ')', + 'i' + ); + } + + // FORMATTING + + function hFormat() { + return this.hours() % 12 || 12; + } + + function kFormat() { + return this.hours() || 24; + } + + addFormatToken('H', ['HH', 2], 0, 'hour'); + addFormatToken('h', ['hh', 2], 0, hFormat); + addFormatToken('k', ['kk', 2], 0, kFormat); + + addFormatToken('hmm', 0, 0, function () { + return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2); + }); + + addFormatToken('hmmss', 0, 0, function () { + return ( + '' + + hFormat.apply(this) + + zeroFill(this.minutes(), 2) + + zeroFill(this.seconds(), 2) + ); + }); + + addFormatToken('Hmm', 0, 0, function () { + return '' + this.hours() + zeroFill(this.minutes(), 2); + }); + + addFormatToken('Hmmss', 0, 0, function () { + return ( + '' + + this.hours() + + zeroFill(this.minutes(), 2) + + zeroFill(this.seconds(), 2) + ); + }); + + function meridiem(token, lowercase) { + addFormatToken(token, 0, 0, function () { + return this.localeData().meridiem( + this.hours(), + this.minutes(), + lowercase + ); + }); + } + + meridiem('a', true); + meridiem('A', false); + + // ALIASES + + addUnitAlias('hour', 'h'); + + // PRIORITY + addUnitPriority('hour', 13); + + // PARSING + + function matchMeridiem(isStrict, locale) { + return locale._meridiemParse; + } + + addRegexToken('a', matchMeridiem); + addRegexToken('A', matchMeridiem); + addRegexToken('H', match1to2); + addRegexToken('h', match1to2); + addRegexToken('k', match1to2); + addRegexToken('HH', match1to2, match2); + addRegexToken('hh', match1to2, match2); + addRegexToken('kk', match1to2, match2); + + addRegexToken('hmm', match3to4); + addRegexToken('hmmss', match5to6); + addRegexToken('Hmm', match3to4); + addRegexToken('Hmmss', match5to6); + + addParseToken(['H', 'HH'], HOUR); + addParseToken(['k', 'kk'], function (input, array, config) { + var kInput = toInt(input); + array[HOUR] = kInput === 24 ? 0 : kInput; + }); + addParseToken(['a', 'A'], function (input, array, config) { + config._isPm = config._locale.isPM(input); + config._meridiem = input; + }); + addParseToken(['h', 'hh'], function (input, array, config) { + array[HOUR] = toInt(input); + getParsingFlags(config).bigHour = true; + }); + addParseToken('hmm', function (input, array, config) { + var pos = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos)); + array[MINUTE] = toInt(input.substr(pos)); + getParsingFlags(config).bigHour = true; + }); + addParseToken('hmmss', function (input, array, config) { + var pos1 = input.length - 4, + pos2 = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos1)); + array[MINUTE] = toInt(input.substr(pos1, 2)); + array[SECOND] = toInt(input.substr(pos2)); + getParsingFlags(config).bigHour = true; + }); + addParseToken('Hmm', function (input, array, config) { + var pos = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos)); + array[MINUTE] = toInt(input.substr(pos)); + }); + addParseToken('Hmmss', function (input, array, config) { + var pos1 = input.length - 4, + pos2 = input.length - 2; + array[HOUR] = toInt(input.substr(0, pos1)); + array[MINUTE] = toInt(input.substr(pos1, 2)); + array[SECOND] = toInt(input.substr(pos2)); + }); + + // LOCALES + + function localeIsPM(input) { + // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays + // Using charAt should be more compatible. + return (input + '').toLowerCase().charAt(0) === 'p'; + } + + var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i, + // Setting the hour should keep the time, because the user explicitly + // specified which hour they want. So trying to maintain the same hour (in + // a new timezone) makes sense. Adding/subtracting hours does not follow + // this rule. + getSetHour = makeGetSet('Hours', true); + + function localeMeridiem(hours, minutes, isLower) { + if (hours > 11) { + return isLower ? 'pm' : 'PM'; + } else { + return isLower ? 'am' : 'AM'; + } + } + + var baseConfig = { + calendar: defaultCalendar, + longDateFormat: defaultLongDateFormat, + invalidDate: defaultInvalidDate, + ordinal: defaultOrdinal, + dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse, + relativeTime: defaultRelativeTime, + + months: defaultLocaleMonths, + monthsShort: defaultLocaleMonthsShort, + + week: defaultLocaleWeek, + + weekdays: defaultLocaleWeekdays, + weekdaysMin: defaultLocaleWeekdaysMin, + weekdaysShort: defaultLocaleWeekdaysShort, + + meridiemParse: defaultLocaleMeridiemParse, + }; + + // internal storage for locale config files + var locales = {}, + localeFamilies = {}, + globalLocale; + + function commonPrefix(arr1, arr2) { + var i, + minl = Math.min(arr1.length, arr2.length); + for (i = 0; i < minl; i += 1) { + if (arr1[i] !== arr2[i]) { + return i; + } + } + return minl; + } + + function normalizeLocale(key) { + return key ? key.toLowerCase().replace('_', '-') : key; + } + + // pick the locale from the array + // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each + // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root + function chooseLocale(names) { + var i = 0, + j, + next, + locale, + split; + + while (i < names.length) { + split = normalizeLocale(names[i]).split('-'); + j = split.length; + next = normalizeLocale(names[i + 1]); + next = next ? next.split('-') : null; + while (j > 0) { + locale = loadLocale(split.slice(0, j).join('-')); + if (locale) { + return locale; + } + if ( + next && + next.length >= j && + commonPrefix(split, next) >= j - 1 + ) { + //the next array item is better than a shallower substring of this one + break; + } + j--; + } + i++; + } + return globalLocale; + } + + function isLocaleNameSane(name) { + // Prevent names that look like filesystem paths, i.e contain '/' or '\' + return name.match('^[^/\\\\]*$') != null; + } + + function loadLocale(name) { + var oldLocale = null, + aliasedRequire; + // TODO: Find a better way to register and load all the locales in Node + if ( + locales[name] === undefined && + 'object' !== 'undefined' && + module && + module.exports && + isLocaleNameSane(name) + ) { + try { + oldLocale = globalLocale._abbr; + aliasedRequire = commonjsRequire; + aliasedRequire('./locale/' + name); + getSetGlobalLocale(oldLocale); + } catch (e) { + // mark as not found to avoid repeating expensive file require call causing high CPU + // when trying to find en-US, en_US, en-us for every format call + locales[name] = null; // null means not found + } + } + return locales[name]; + } + + // This function will load locale and then set the global locale. If + // no arguments are passed in, it will simply return the current global + // locale key. + function getSetGlobalLocale(key, values) { + var data; + if (key) { + if (isUndefined(values)) { + data = getLocale(key); + } else { + data = defineLocale(key, values); + } + + if (data) { + // moment.duration._locale = moment._locale = data; + globalLocale = data; + } else { + if (typeof console !== 'undefined' && console.warn) { + //warn user if arguments are passed but the locale could not be set + console.warn( + 'Locale ' + key + ' not found. Did you forget to load it?' + ); + } + } + } + + return globalLocale._abbr; + } + + function defineLocale(name, config) { + if (config !== null) { + var locale, + parentConfig = baseConfig; + config.abbr = name; + if (locales[name] != null) { + deprecateSimple( + 'defineLocaleOverride', + 'use moment.updateLocale(localeName, config) to change ' + + 'an existing locale. moment.defineLocale(localeName, ' + + 'config) should only be used for creating a new locale ' + + 'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.' + ); + parentConfig = locales[name]._config; + } else if (config.parentLocale != null) { + if (locales[config.parentLocale] != null) { + parentConfig = locales[config.parentLocale]._config; + } else { + locale = loadLocale(config.parentLocale); + if (locale != null) { + parentConfig = locale._config; + } else { + if (!localeFamilies[config.parentLocale]) { + localeFamilies[config.parentLocale] = []; + } + localeFamilies[config.parentLocale].push({ + name: name, + config: config, + }); + return null; + } + } + } + locales[name] = new Locale(mergeConfigs(parentConfig, config)); + + if (localeFamilies[name]) { + localeFamilies[name].forEach(function (x) { + defineLocale(x.name, x.config); + }); + } + + // backwards compat for now: also set the locale + // make sure we set the locale AFTER all child locales have been + // created, so we won't end up with the child locale set. + getSetGlobalLocale(name); + + return locales[name]; + } else { + // useful for testing + delete locales[name]; + return null; + } + } + + function updateLocale(name, config) { + if (config != null) { + var locale, + tmpLocale, + parentConfig = baseConfig; + + if (locales[name] != null && locales[name].parentLocale != null) { + // Update existing child locale in-place to avoid memory-leaks + locales[name].set(mergeConfigs(locales[name]._config, config)); + } else { + // MERGE + tmpLocale = loadLocale(name); + if (tmpLocale != null) { + parentConfig = tmpLocale._config; + } + config = mergeConfigs(parentConfig, config); + if (tmpLocale == null) { + // updateLocale is called for creating a new locale + // Set abbr so it will have a name (getters return + // undefined otherwise). + config.abbr = name; + } + locale = new Locale(config); + locale.parentLocale = locales[name]; + locales[name] = locale; + } + + // backwards compat for now: also set the locale + getSetGlobalLocale(name); + } else { + // pass null for config to unupdate, useful for tests + if (locales[name] != null) { + if (locales[name].parentLocale != null) { + locales[name] = locales[name].parentLocale; + if (name === getSetGlobalLocale()) { + getSetGlobalLocale(name); + } + } else if (locales[name] != null) { + delete locales[name]; + } + } + } + return locales[name]; + } + + // returns locale data + function getLocale(key) { + var locale; + + if (key && key._locale && key._locale._abbr) { + key = key._locale._abbr; + } + + if (!key) { + return globalLocale; + } + + if (!isArray(key)) { + //short-circuit everything else + locale = loadLocale(key); + if (locale) { + return locale; + } + key = [key]; + } + + return chooseLocale(key); + } + + function listLocales() { + return keys(locales); + } + + function checkOverflow(m) { + var overflow, + a = m._a; + + if (a && getParsingFlags(m).overflow === -2) { + overflow = + a[MONTH] < 0 || a[MONTH] > 11 + ? MONTH + : a[DATE] < 1 || a[DATE] > daysInMonth(a[YEAR], a[MONTH]) + ? DATE + : a[HOUR] < 0 || + a[HOUR] > 24 || + (a[HOUR] === 24 && + (a[MINUTE] !== 0 || + a[SECOND] !== 0 || + a[MILLISECOND] !== 0)) + ? HOUR + : a[MINUTE] < 0 || a[MINUTE] > 59 + ? MINUTE + : a[SECOND] < 0 || a[SECOND] > 59 + ? SECOND + : a[MILLISECOND] < 0 || a[MILLISECOND] > 999 + ? MILLISECOND + : -1; + + if ( + getParsingFlags(m)._overflowDayOfYear && + (overflow < YEAR || overflow > DATE) + ) { + overflow = DATE; + } + if (getParsingFlags(m)._overflowWeeks && overflow === -1) { + overflow = WEEK; + } + if (getParsingFlags(m)._overflowWeekday && overflow === -1) { + overflow = WEEKDAY; + } + + getParsingFlags(m).overflow = overflow; + } + + return m; + } + + // iso 8601 regex + // 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) + var extendedIsoRegex = + /^\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)?)?$/, + basicIsoRegex = + /^\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)?)?$/, + tzRegex = /Z|[+-]\d\d(?::?\d\d)?/, + isoDates = [ + ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/], + ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/], + ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/], + ['GGGG-[W]WW', /\d{4}-W\d\d/, false], + ['YYYY-DDD', /\d{4}-\d{3}/], + ['YYYY-MM', /\d{4}-\d\d/, false], + ['YYYYYYMMDD', /[+-]\d{10}/], + ['YYYYMMDD', /\d{8}/], + ['GGGG[W]WWE', /\d{4}W\d{3}/], + ['GGGG[W]WW', /\d{4}W\d{2}/, false], + ['YYYYDDD', /\d{7}/], + ['YYYYMM', /\d{6}/, false], + ['YYYY', /\d{4}/, false], + ], + // iso time formats and regexes + isoTimes = [ + ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/], + ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/], + ['HH:mm:ss', /\d\d:\d\d:\d\d/], + ['HH:mm', /\d\d:\d\d/], + ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/], + ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/], + ['HHmmss', /\d\d\d\d\d\d/], + ['HHmm', /\d\d\d\d/], + ['HH', /\d\d/], + ], + aspNetJsonRegex = /^\/?Date\((-?\d+)/i, + // RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3 + rfc2822 = + /^(?:(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}))$/, + obsOffsets = { + UT: 0, + GMT: 0, + EDT: -4 * 60, + EST: -5 * 60, + CDT: -5 * 60, + CST: -6 * 60, + MDT: -6 * 60, + MST: -7 * 60, + PDT: -7 * 60, + PST: -8 * 60, + }; + + // date from iso format + function configFromISO(config) { + var i, + l, + string = config._i, + match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string), + allowTime, + dateFormat, + timeFormat, + tzFormat, + isoDatesLen = isoDates.length, + isoTimesLen = isoTimes.length; + + if (match) { + getParsingFlags(config).iso = true; + for (i = 0, l = isoDatesLen; i < l; i++) { + if (isoDates[i][1].exec(match[1])) { + dateFormat = isoDates[i][0]; + allowTime = isoDates[i][2] !== false; + break; + } + } + if (dateFormat == null) { + config._isValid = false; + return; + } + if (match[3]) { + for (i = 0, l = isoTimesLen; i < l; i++) { + if (isoTimes[i][1].exec(match[3])) { + // match[2] should be 'T' or space + timeFormat = (match[2] || ' ') + isoTimes[i][0]; + break; + } + } + if (timeFormat == null) { + config._isValid = false; + return; + } + } + if (!allowTime && timeFormat != null) { + config._isValid = false; + return; + } + if (match[4]) { + if (tzRegex.exec(match[4])) { + tzFormat = 'Z'; + } else { + config._isValid = false; + return; + } + } + config._f = dateFormat + (timeFormat || '') + (tzFormat || ''); + configFromStringAndFormat(config); + } else { + config._isValid = false; + } + } + + function extractFromRFC2822Strings( + yearStr, + monthStr, + dayStr, + hourStr, + minuteStr, + secondStr + ) { + var result = [ + untruncateYear(yearStr), + defaultLocaleMonthsShort.indexOf(monthStr), + parseInt(dayStr, 10), + parseInt(hourStr, 10), + parseInt(minuteStr, 10), + ]; + + if (secondStr) { + result.push(parseInt(secondStr, 10)); + } + + return result; + } + + function untruncateYear(yearStr) { + var year = parseInt(yearStr, 10); + if (year <= 49) { + return 2000 + year; + } else if (year <= 999) { + return 1900 + year; + } + return year; + } + + function preprocessRFC2822(s) { + // Remove comments and folding whitespace and replace multiple-spaces with a single space + return s + .replace(/\([^()]*\)|[\n\t]/g, ' ') + .replace(/(\s\s+)/g, ' ') + .replace(/^\s\s*/, '') + .replace(/\s\s*$/, ''); + } + + function checkWeekday(weekdayStr, parsedInput, config) { + if (weekdayStr) { + // TODO: Replace the vanilla JS Date object with an independent day-of-week check. + var weekdayProvided = defaultLocaleWeekdaysShort.indexOf(weekdayStr), + weekdayActual = new Date( + parsedInput[0], + parsedInput[1], + parsedInput[2] + ).getDay(); + if (weekdayProvided !== weekdayActual) { + getParsingFlags(config).weekdayMismatch = true; + config._isValid = false; + return false; + } + } + return true; + } + + function calculateOffset(obsOffset, militaryOffset, numOffset) { + if (obsOffset) { + return obsOffsets[obsOffset]; + } else if (militaryOffset) { + // the only allowed military tz is Z + return 0; + } else { + var hm = parseInt(numOffset, 10), + m = hm % 100, + h = (hm - m) / 100; + return h * 60 + m; + } + } + + // date and time from ref 2822 format + function configFromRFC2822(config) { + var match = rfc2822.exec(preprocessRFC2822(config._i)), + parsedArray; + if (match) { + parsedArray = extractFromRFC2822Strings( + match[4], + match[3], + match[2], + match[5], + match[6], + match[7] + ); + if (!checkWeekday(match[1], parsedArray, config)) { + return; + } + + config._a = parsedArray; + config._tzm = calculateOffset(match[8], match[9], match[10]); + + config._d = createUTCDate.apply(null, config._a); + config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); + + getParsingFlags(config).rfc2822 = true; + } else { + config._isValid = false; + } + } + + // date from 1) ASP.NET, 2) ISO, 3) RFC 2822 formats, or 4) optional fallback if parsing isn't strict + function configFromString(config) { + var matched = aspNetJsonRegex.exec(config._i); + if (matched !== null) { + config._d = new Date(+matched[1]); + return; + } + + configFromISO(config); + if (config._isValid === false) { + delete config._isValid; + } else { + return; + } + + configFromRFC2822(config); + if (config._isValid === false) { + delete config._isValid; + } else { + return; + } + + if (config._strict) { + config._isValid = false; + } else { + // Final attempt, use Input Fallback + hooks.createFromInputFallback(config); + } + } + + hooks.createFromInputFallback = deprecate( + 'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' + + 'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' + + 'discouraged. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.', + function (config) { + config._d = new Date(config._i + (config._useUTC ? ' UTC' : '')); + } + ); + + // Pick the first defined of two or three arguments. + function defaults(a, b, c) { + if (a != null) { + return a; + } + if (b != null) { + return b; + } + return c; + } + + function currentDateArray(config) { + // hooks is actually the exported moment object + var nowValue = new Date(hooks.now()); + if (config._useUTC) { + return [ + nowValue.getUTCFullYear(), + nowValue.getUTCMonth(), + nowValue.getUTCDate(), + ]; + } + return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()]; + } + + // convert an array to a date. + // the array should mirror the parameters below + // note: all values past the year are optional and will default to the lowest possible value. + // [year, month, day , hour, minute, second, millisecond] + function configFromArray(config) { + var i, + date, + input = [], + currentDate, + expectedWeekday, + yearToUse; + + if (config._d) { + return; + } + + currentDate = currentDateArray(config); + + //compute day of the year from weeks and weekdays + if (config._w && config._a[DATE] == null && config._a[MONTH] == null) { + dayOfYearFromWeekInfo(config); + } + + //if the day of the year is set, figure out what it is + if (config._dayOfYear != null) { + yearToUse = defaults(config._a[YEAR], currentDate[YEAR]); + + if ( + config._dayOfYear > daysInYear(yearToUse) || + config._dayOfYear === 0 + ) { + getParsingFlags(config)._overflowDayOfYear = true; + } + + date = createUTCDate(yearToUse, 0, config._dayOfYear); + config._a[MONTH] = date.getUTCMonth(); + config._a[DATE] = date.getUTCDate(); + } + + // Default to current date. + // * if no year, month, day of month are given, default to today + // * if day of month is given, default month and year + // * if month is given, default only year + // * if year is given, don't default anything + for (i = 0; i < 3 && config._a[i] == null; ++i) { + config._a[i] = input[i] = currentDate[i]; + } + + // Zero out whatever was not defaulted, including time + for (; i < 7; i++) { + config._a[i] = input[i] = + config._a[i] == null ? (i === 2 ? 1 : 0) : config._a[i]; + } + + // Check for 24:00:00.000 + if ( + config._a[HOUR] === 24 && + config._a[MINUTE] === 0 && + config._a[SECOND] === 0 && + config._a[MILLISECOND] === 0 + ) { + config._nextDay = true; + config._a[HOUR] = 0; + } + + config._d = (config._useUTC ? createUTCDate : createDate).apply( + null, + input + ); + expectedWeekday = config._useUTC + ? config._d.getUTCDay() + : config._d.getDay(); + + // Apply timezone offset from input. The actual utcOffset can be changed + // with parseZone. + if (config._tzm != null) { + config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm); + } + + if (config._nextDay) { + config._a[HOUR] = 24; + } + + // check for mismatching day of week + if ( + config._w && + typeof config._w.d !== 'undefined' && + config._w.d !== expectedWeekday + ) { + getParsingFlags(config).weekdayMismatch = true; + } + } + + function dayOfYearFromWeekInfo(config) { + var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow, curWeek; + + w = config._w; + if (w.GG != null || w.W != null || w.E != null) { + dow = 1; + doy = 4; + + // TODO: We need to take the current isoWeekYear, but that depends on + // how we interpret now (local, utc, fixed offset). So create + // a now version of current config (take local/utc/offset flags, and + // create now). + weekYear = defaults( + w.GG, + config._a[YEAR], + weekOfYear(createLocal(), 1, 4).year + ); + week = defaults(w.W, 1); + weekday = defaults(w.E, 1); + if (weekday < 1 || weekday > 7) { + weekdayOverflow = true; + } + } else { + dow = config._locale._week.dow; + doy = config._locale._week.doy; + + curWeek = weekOfYear(createLocal(), dow, doy); + + weekYear = defaults(w.gg, config._a[YEAR], curWeek.year); + + // Default to current week. + week = defaults(w.w, curWeek.week); + + if (w.d != null) { + // weekday -- low day numbers are considered next week + weekday = w.d; + if (weekday < 0 || weekday > 6) { + weekdayOverflow = true; + } + } else if (w.e != null) { + // local weekday -- counting starts from beginning of week + weekday = w.e + dow; + if (w.e < 0 || w.e > 6) { + weekdayOverflow = true; + } + } else { + // default to beginning of week + weekday = dow; + } + } + if (week < 1 || week > weeksInYear(weekYear, dow, doy)) { + getParsingFlags(config)._overflowWeeks = true; + } else if (weekdayOverflow != null) { + getParsingFlags(config)._overflowWeekday = true; + } else { + temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy); + config._a[YEAR] = temp.year; + config._dayOfYear = temp.dayOfYear; + } + } + + // constant that refers to the ISO standard + hooks.ISO_8601 = function () {}; + + // constant that refers to the RFC 2822 form + hooks.RFC_2822 = function () {}; + + // date from string and format string + function configFromStringAndFormat(config) { + // TODO: Move this to another part of the creation flow to prevent circular deps + if (config._f === hooks.ISO_8601) { + configFromISO(config); + return; + } + if (config._f === hooks.RFC_2822) { + configFromRFC2822(config); + return; + } + config._a = []; + getParsingFlags(config).empty = true; + + // This array is used to make a Date, either with `new Date` or `Date.UTC` + var string = '' + config._i, + i, + parsedInput, + tokens, + token, + skipped, + stringLength = string.length, + totalParsedInputLength = 0, + era, + tokenLen; + + tokens = + expandFormat(config._f, config._locale).match(formattingTokens) || []; + tokenLen = tokens.length; + for (i = 0; i < tokenLen; i++) { + token = tokens[i]; + parsedInput = (string.match(getParseRegexForToken(token, config)) || + [])[0]; + if (parsedInput) { + skipped = string.substr(0, string.indexOf(parsedInput)); + if (skipped.length > 0) { + getParsingFlags(config).unusedInput.push(skipped); + } + string = string.slice( + string.indexOf(parsedInput) + parsedInput.length + ); + totalParsedInputLength += parsedInput.length; + } + // don't parse if it's not a known token + if (formatTokenFunctions[token]) { + if (parsedInput) { + getParsingFlags(config).empty = false; + } else { + getParsingFlags(config).unusedTokens.push(token); + } + addTimeToArrayFromToken(token, parsedInput, config); + } else if (config._strict && !parsedInput) { + getParsingFlags(config).unusedTokens.push(token); + } + } + + // add remaining unparsed input length to the string + getParsingFlags(config).charsLeftOver = + stringLength - totalParsedInputLength; + if (string.length > 0) { + getParsingFlags(config).unusedInput.push(string); + } + + // clear _12h flag if hour is <= 12 + if ( + config._a[HOUR] <= 12 && + getParsingFlags(config).bigHour === true && + config._a[HOUR] > 0 + ) { + getParsingFlags(config).bigHour = undefined; + } + + getParsingFlags(config).parsedDateParts = config._a.slice(0); + getParsingFlags(config).meridiem = config._meridiem; + // handle meridiem + config._a[HOUR] = meridiemFixWrap( + config._locale, + config._a[HOUR], + config._meridiem + ); + + // handle era + era = getParsingFlags(config).era; + if (era !== null) { + config._a[YEAR] = config._locale.erasConvertYear(era, config._a[YEAR]); + } + + configFromArray(config); + checkOverflow(config); + } + + function meridiemFixWrap(locale, hour, meridiem) { + var isPm; + + if (meridiem == null) { + // nothing to do + return hour; + } + if (locale.meridiemHour != null) { + return locale.meridiemHour(hour, meridiem); + } else if (locale.isPM != null) { + // Fallback + isPm = locale.isPM(meridiem); + if (isPm && hour < 12) { + hour += 12; + } + if (!isPm && hour === 12) { + hour = 0; + } + return hour; + } else { + // this is not supposed to happen + return hour; + } + } + + // date from string and array of format strings + function configFromStringAndArray(config) { + var tempConfig, + bestMoment, + scoreToBeat, + i, + currentScore, + validFormatFound, + bestFormatIsValid = false, + configfLen = config._f.length; + + if (configfLen === 0) { + getParsingFlags(config).invalidFormat = true; + config._d = new Date(NaN); + return; + } + + for (i = 0; i < configfLen; i++) { + currentScore = 0; + validFormatFound = false; + tempConfig = copyConfig({}, config); + if (config._useUTC != null) { + tempConfig._useUTC = config._useUTC; + } + tempConfig._f = config._f[i]; + configFromStringAndFormat(tempConfig); + + if (isValid(tempConfig)) { + validFormatFound = true; + } + + // if there is any input that was not parsed add a penalty for that format + currentScore += getParsingFlags(tempConfig).charsLeftOver; + + //or tokens + currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10; + + getParsingFlags(tempConfig).score = currentScore; + + if (!bestFormatIsValid) { + if ( + scoreToBeat == null || + currentScore < scoreToBeat || + validFormatFound + ) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + if (validFormatFound) { + bestFormatIsValid = true; + } + } + } else { + if (currentScore < scoreToBeat) { + scoreToBeat = currentScore; + bestMoment = tempConfig; + } + } + } + + extend(config, bestMoment || tempConfig); + } + + function configFromObject(config) { + if (config._d) { + return; + } + + var i = normalizeObjectUnits(config._i), + dayOrDate = i.day === undefined ? i.date : i.day; + config._a = map( + [i.year, i.month, dayOrDate, i.hour, i.minute, i.second, i.millisecond], + function (obj) { + return obj && parseInt(obj, 10); + } + ); + + configFromArray(config); + } + + function createFromConfig(config) { + var res = new Moment(checkOverflow(prepareConfig(config))); + if (res._nextDay) { + // Adding is smart enough around DST + res.add(1, 'd'); + res._nextDay = undefined; + } + + return res; + } + + function prepareConfig(config) { + var input = config._i, + format = config._f; + + config._locale = config._locale || getLocale(config._l); + + if (input === null || (format === undefined && input === '')) { + return createInvalid({ nullInput: true }); + } + + if (typeof input === 'string') { + config._i = input = config._locale.preparse(input); + } + + if (isMoment(input)) { + return new Moment(checkOverflow(input)); + } else if (isDate(input)) { + config._d = input; + } else if (isArray(format)) { + configFromStringAndArray(config); + } else if (format) { + configFromStringAndFormat(config); + } else { + configFromInput(config); + } + + if (!isValid(config)) { + config._d = null; + } + + return config; + } + + function configFromInput(config) { + var input = config._i; + if (isUndefined(input)) { + config._d = new Date(hooks.now()); + } else if (isDate(input)) { + config._d = new Date(input.valueOf()); + } else if (typeof input === 'string') { + configFromString(config); + } else if (isArray(input)) { + config._a = map(input.slice(0), function (obj) { + return parseInt(obj, 10); + }); + configFromArray(config); + } else if (isObject(input)) { + configFromObject(config); + } else if (isNumber(input)) { + // from milliseconds + config._d = new Date(input); + } else { + hooks.createFromInputFallback(config); + } + } + + function createLocalOrUTC(input, format, locale, strict, isUTC) { + var c = {}; + + if (format === true || format === false) { + strict = format; + format = undefined; + } + + if (locale === true || locale === false) { + strict = locale; + locale = undefined; + } + + if ( + (isObject(input) && isObjectEmpty(input)) || + (isArray(input) && input.length === 0) + ) { + input = undefined; + } + // object construction must be done this way. + // https://github.com/moment/moment/issues/1423 + c._isAMomentObject = true; + c._useUTC = c._isUTC = isUTC; + c._l = locale; + c._i = input; + c._f = format; + c._strict = strict; + + return createFromConfig(c); + } + + function createLocal(input, format, locale, strict) { + return createLocalOrUTC(input, format, locale, strict, false); + } + + var prototypeMin = deprecate( + 'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/', + function () { + var other = createLocal.apply(null, arguments); + if (this.isValid() && other.isValid()) { + return other < this ? this : other; + } else { + return createInvalid(); + } + } + ), + prototypeMax = deprecate( + 'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/', + function () { + var other = createLocal.apply(null, arguments); + if (this.isValid() && other.isValid()) { + return other > this ? this : other; + } else { + return createInvalid(); + } + } + ); + + // Pick a moment m from moments so that m[fn](other) is true for all + // other. This relies on the function fn to be transitive. + // + // moments should either be an array of moment objects or an array, whose + // first element is an array of moment objects. + function pickBy(fn, moments) { + var res, i; + if (moments.length === 1 && isArray(moments[0])) { + moments = moments[0]; + } + if (!moments.length) { + return createLocal(); + } + res = moments[0]; + for (i = 1; i < moments.length; ++i) { + if (!moments[i].isValid() || moments[i][fn](res)) { + res = moments[i]; + } + } + return res; + } + + // TODO: Use [].sort instead? + function min() { + var args = [].slice.call(arguments, 0); + + return pickBy('isBefore', args); + } + + function max() { + var args = [].slice.call(arguments, 0); + + return pickBy('isAfter', args); + } + + var now = function () { + return Date.now ? Date.now() : +new Date(); + }; + + var ordering = [ + 'year', + 'quarter', + 'month', + 'week', + 'day', + 'hour', + 'minute', + 'second', + 'millisecond', + ]; + + function isDurationValid(m) { + var key, + unitHasDecimal = false, + i, + orderLen = ordering.length; + for (key in m) { + if ( + hasOwnProp(m, key) && + !( + indexOf.call(ordering, key) !== -1 && + (m[key] == null || !isNaN(m[key])) + ) + ) { + return false; + } + } + + for (i = 0; i < orderLen; ++i) { + if (m[ordering[i]]) { + if (unitHasDecimal) { + return false; // only allow non-integers for smallest unit + } + if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) { + unitHasDecimal = true; + } + } + } + + return true; + } + + function isValid$1() { + return this._isValid; + } + + function createInvalid$1() { + return createDuration(NaN); + } + + function Duration(duration) { + var normalizedInput = normalizeObjectUnits(duration), + years = normalizedInput.year || 0, + quarters = normalizedInput.quarter || 0, + months = normalizedInput.month || 0, + weeks = normalizedInput.week || normalizedInput.isoWeek || 0, + days = normalizedInput.day || 0, + hours = normalizedInput.hour || 0, + minutes = normalizedInput.minute || 0, + seconds = normalizedInput.second || 0, + milliseconds = normalizedInput.millisecond || 0; + + this._isValid = isDurationValid(normalizedInput); + + // representation for dateAddRemove + this._milliseconds = + +milliseconds + + seconds * 1e3 + // 1000 + minutes * 6e4 + // 1000 * 60 + hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978 + // Because of dateAddRemove treats 24 hours as different from a + // day when working around DST, we need to store them separately + this._days = +days + weeks * 7; + // It is impossible to translate months into days without knowing + // which months you are are talking about, so we have to store + // it separately. + this._months = +months + quarters * 3 + years * 12; + + this._data = {}; + + this._locale = getLocale(); + + this._bubble(); + } + + function isDuration(obj) { + return obj instanceof Duration; + } + + function absRound(number) { + if (number < 0) { + return Math.round(-1 * number) * -1; + } else { + return Math.round(number); + } + } + + // compare two arrays, return the number of differences + function compareArrays(array1, array2, dontConvert) { + var len = Math.min(array1.length, array2.length), + lengthDiff = Math.abs(array1.length - array2.length), + diffs = 0, + i; + for (i = 0; i < len; i++) { + if ( + (dontConvert && array1[i] !== array2[i]) || + (!dontConvert && toInt(array1[i]) !== toInt(array2[i])) + ) { + diffs++; + } + } + return diffs + lengthDiff; + } + + // FORMATTING + + function offset(token, separator) { + addFormatToken(token, 0, 0, function () { + var offset = this.utcOffset(), + sign = '+'; + if (offset < 0) { + offset = -offset; + sign = '-'; + } + return ( + sign + + zeroFill(~~(offset / 60), 2) + + separator + + zeroFill(~~offset % 60, 2) + ); + }); + } + + offset('Z', ':'); + offset('ZZ', ''); + + // PARSING + + addRegexToken('Z', matchShortOffset); + addRegexToken('ZZ', matchShortOffset); + addParseToken(['Z', 'ZZ'], function (input, array, config) { + config._useUTC = true; + config._tzm = offsetFromString(matchShortOffset, input); + }); + + // HELPERS + + // timezone chunker + // '+10:00' > ['10', '00'] + // '-1530' > ['-15', '30'] + var chunkOffset = /([\+\-]|\d\d)/gi; + + function offsetFromString(matcher, string) { + var matches = (string || '').match(matcher), + chunk, + parts, + minutes; + + if (matches === null) { + return null; + } + + chunk = matches[matches.length - 1] || []; + parts = (chunk + '').match(chunkOffset) || ['-', 0, 0]; + minutes = +(parts[1] * 60) + toInt(parts[2]); + + return minutes === 0 ? 0 : parts[0] === '+' ? minutes : -minutes; + } + + // Return a moment from input, that is local/utc/zone equivalent to model. + function cloneWithOffset(input, model) { + var res, diff; + if (model._isUTC) { + res = model.clone(); + diff = + (isMoment(input) || isDate(input) + ? input.valueOf() + : createLocal(input).valueOf()) - res.valueOf(); + // Use low-level api, because this fn is low-level api. + res._d.setTime(res._d.valueOf() + diff); + hooks.updateOffset(res, false); + return res; + } else { + return createLocal(input).local(); + } + } + + function getDateOffset(m) { + // On Firefox.24 Date#getTimezoneOffset returns a floating point. + // https://github.com/moment/moment/pull/1871 + return -Math.round(m._d.getTimezoneOffset()); + } + + // HOOKS + + // This function will be called whenever a moment is mutated. + // It is intended to keep the offset in sync with the timezone. + hooks.updateOffset = function () {}; + + // MOMENTS + + // keepLocalTime = true means only change the timezone, without + // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]--> + // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset + // +0200, so we adjust the time as needed, to be valid. + // + // Keeping the time actually adds/subtracts (one hour) + // from the actual represented time. That is why we call updateOffset + // a second time. In case it wants us to change the offset again + // _changeInProgress == true case, then we have to adjust, because + // there is no such time in the given timezone. + function getSetOffset(input, keepLocalTime, keepMinutes) { + var offset = this._offset || 0, + localAdjust; + if (!this.isValid()) { + return input != null ? this : NaN; + } + if (input != null) { + if (typeof input === 'string') { + input = offsetFromString(matchShortOffset, input); + if (input === null) { + return this; + } + } else if (Math.abs(input) < 16 && !keepMinutes) { + input = input * 60; + } + if (!this._isUTC && keepLocalTime) { + localAdjust = getDateOffset(this); + } + this._offset = input; + this._isUTC = true; + if (localAdjust != null) { + this.add(localAdjust, 'm'); + } + if (offset !== input) { + if (!keepLocalTime || this._changeInProgress) { + addSubtract( + this, + createDuration(input - offset, 'm'), + 1, + false + ); + } else if (!this._changeInProgress) { + this._changeInProgress = true; + hooks.updateOffset(this, true); + this._changeInProgress = null; + } + } + return this; + } else { + return this._isUTC ? offset : getDateOffset(this); + } + } + + function getSetZone(input, keepLocalTime) { + if (input != null) { + if (typeof input !== 'string') { + input = -input; + } + + this.utcOffset(input, keepLocalTime); + + return this; + } else { + return -this.utcOffset(); + } + } + + function setOffsetToUTC(keepLocalTime) { + return this.utcOffset(0, keepLocalTime); + } + + function setOffsetToLocal(keepLocalTime) { + if (this._isUTC) { + this.utcOffset(0, keepLocalTime); + this._isUTC = false; + + if (keepLocalTime) { + this.subtract(getDateOffset(this), 'm'); + } + } + return this; + } + + function setOffsetToParsedOffset() { + if (this._tzm != null) { + this.utcOffset(this._tzm, false, true); + } else if (typeof this._i === 'string') { + var tZone = offsetFromString(matchOffset, this._i); + if (tZone != null) { + this.utcOffset(tZone); + } else { + this.utcOffset(0, true); + } + } + return this; + } + + function hasAlignedHourOffset(input) { + if (!this.isValid()) { + return false; + } + input = input ? createLocal(input).utcOffset() : 0; + + return (this.utcOffset() - input) % 60 === 0; + } + + function isDaylightSavingTime() { + return ( + this.utcOffset() > this.clone().month(0).utcOffset() || + this.utcOffset() > this.clone().month(5).utcOffset() + ); + } + + function isDaylightSavingTimeShifted() { + if (!isUndefined(this._isDSTShifted)) { + return this._isDSTShifted; + } + + var c = {}, + other; + + copyConfig(c, this); + c = prepareConfig(c); + + if (c._a) { + other = c._isUTC ? createUTC(c._a) : createLocal(c._a); + this._isDSTShifted = + this.isValid() && compareArrays(c._a, other.toArray()) > 0; + } else { + this._isDSTShifted = false; + } + + return this._isDSTShifted; + } + + function isLocal() { + return this.isValid() ? !this._isUTC : false; + } + + function isUtcOffset() { + return this.isValid() ? this._isUTC : false; + } + + function isUtc() { + return this.isValid() ? this._isUTC && this._offset === 0 : false; + } + + // ASP.NET json date format regex + var aspNetRegex = /^(-|\+)?(?:(\d*)[. ])?(\d+):(\d+)(?::(\d+)(\.\d*)?)?$/, + // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html + // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere + // and further modified to allow for strings containing both week and day + isoRegex = + /^(-|\+)?P(?:([-+]?[0-9,.]*)Y)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)W)?(?:([-+]?[0-9,.]*)D)?(?:T(?:([-+]?[0-9,.]*)H)?(?:([-+]?[0-9,.]*)M)?(?:([-+]?[0-9,.]*)S)?)?$/; + + function createDuration(input, key) { + var duration = input, + // matching against regexp is expensive, do it on demand + match = null, + sign, + ret, + diffRes; + + if (isDuration(input)) { + duration = { + ms: input._milliseconds, + d: input._days, + M: input._months, + }; + } else if (isNumber(input) || !isNaN(+input)) { + duration = {}; + if (key) { + duration[key] = +input; + } else { + duration.milliseconds = +input; + } + } else if ((match = aspNetRegex.exec(input))) { + sign = match[1] === '-' ? -1 : 1; + duration = { + y: 0, + d: toInt(match[DATE]) * sign, + h: toInt(match[HOUR]) * sign, + m: toInt(match[MINUTE]) * sign, + s: toInt(match[SECOND]) * sign, + ms: toInt(absRound(match[MILLISECOND] * 1000)) * sign, // the millisecond decimal point is included in the match + }; + } else if ((match = isoRegex.exec(input))) { + sign = match[1] === '-' ? -1 : 1; + duration = { + y: parseIso(match[2], sign), + M: parseIso(match[3], sign), + w: parseIso(match[4], sign), + d: parseIso(match[5], sign), + h: parseIso(match[6], sign), + m: parseIso(match[7], sign), + s: parseIso(match[8], sign), + }; + } else if (duration == null) { + // checks for null or undefined + duration = {}; + } else if ( + typeof duration === 'object' && + ('from' in duration || 'to' in duration) + ) { + diffRes = momentsDifference( + createLocal(duration.from), + createLocal(duration.to) + ); + + duration = {}; + duration.ms = diffRes.milliseconds; + duration.M = diffRes.months; + } + + ret = new Duration(duration); + + if (isDuration(input) && hasOwnProp(input, '_locale')) { + ret._locale = input._locale; + } + + if (isDuration(input) && hasOwnProp(input, '_isValid')) { + ret._isValid = input._isValid; + } + + return ret; + } + + createDuration.fn = Duration.prototype; + createDuration.invalid = createInvalid$1; + + function parseIso(inp, sign) { + // We'd normally use ~~inp for this, but unfortunately it also + // converts floats to ints. + // inp may be undefined, so careful calling replace on it. + var res = inp && parseFloat(inp.replace(',', '.')); + // apply sign while we're at it + return (isNaN(res) ? 0 : res) * sign; + } + + function positiveMomentsDifference(base, other) { + var res = {}; + + res.months = + other.month() - base.month() + (other.year() - base.year()) * 12; + if (base.clone().add(res.months, 'M').isAfter(other)) { + --res.months; + } + + res.milliseconds = +other - +base.clone().add(res.months, 'M'); + + return res; + } + + function momentsDifference(base, other) { + var res; + if (!(base.isValid() && other.isValid())) { + return { milliseconds: 0, months: 0 }; + } + + other = cloneWithOffset(other, base); + if (base.isBefore(other)) { + res = positiveMomentsDifference(base, other); + } else { + res = positiveMomentsDifference(other, base); + res.milliseconds = -res.milliseconds; + res.months = -res.months; + } + + return res; + } + + // TODO: remove 'name' arg after deprecation is removed + function createAdder(direction, name) { + return function (val, period) { + var dur, tmp; + //invert the arguments, but complain about it + if (period !== null && !isNaN(+period)) { + deprecateSimple( + name, + 'moment().' + + name + + '(period, number) is deprecated. Please use moment().' + + name + + '(number, period). ' + + 'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.' + ); + tmp = val; + val = period; + period = tmp; + } + + dur = createDuration(val, period); + addSubtract(this, dur, direction); + return this; + }; + } + + function addSubtract(mom, duration, isAdding, updateOffset) { + var milliseconds = duration._milliseconds, + days = absRound(duration._days), + months = absRound(duration._months); + + if (!mom.isValid()) { + // No op + return; + } + + updateOffset = updateOffset == null ? true : updateOffset; + + if (months) { + setMonth(mom, get(mom, 'Month') + months * isAdding); + } + if (days) { + set$1(mom, 'Date', get(mom, 'Date') + days * isAdding); + } + if (milliseconds) { + mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding); + } + if (updateOffset) { + hooks.updateOffset(mom, days || months); + } + } + + var add = createAdder(1, 'add'), + subtract = createAdder(-1, 'subtract'); + + function isString(input) { + return typeof input === 'string' || input instanceof String; + } + + // type MomentInput = Moment | Date | string | number | (number | string)[] | MomentInputObject | void; // null | undefined + function isMomentInput(input) { + return ( + isMoment(input) || + isDate(input) || + isString(input) || + isNumber(input) || + isNumberOrStringArray(input) || + isMomentInputObject(input) || + input === null || + input === undefined + ); + } + + function isMomentInputObject(input) { + var objectTest = isObject(input) && !isObjectEmpty(input), + propertyTest = false, + properties = [ + 'years', + 'year', + 'y', + 'months', + 'month', + 'M', + 'days', + 'day', + 'd', + 'dates', + 'date', + 'D', + 'hours', + 'hour', + 'h', + 'minutes', + 'minute', + 'm', + 'seconds', + 'second', + 's', + 'milliseconds', + 'millisecond', + 'ms', + ], + i, + property, + propertyLen = properties.length; + + for (i = 0; i < propertyLen; i += 1) { + property = properties[i]; + propertyTest = propertyTest || hasOwnProp(input, property); + } + + return objectTest && propertyTest; + } + + function isNumberOrStringArray(input) { + var arrayTest = isArray(input), + dataTypeTest = false; + if (arrayTest) { + dataTypeTest = + input.filter(function (item) { + return !isNumber(item) && isString(input); + }).length === 0; + } + return arrayTest && dataTypeTest; + } + + function isCalendarSpec(input) { + var objectTest = isObject(input) && !isObjectEmpty(input), + propertyTest = false, + properties = [ + 'sameDay', + 'nextDay', + 'lastDay', + 'nextWeek', + 'lastWeek', + 'sameElse', + ], + i, + property; + + for (i = 0; i < properties.length; i += 1) { + property = properties[i]; + propertyTest = propertyTest || hasOwnProp(input, property); + } + + return objectTest && propertyTest; + } + + function getCalendarFormat(myMoment, now) { + var diff = myMoment.diff(now, 'days', true); + return diff < -6 + ? 'sameElse' + : diff < -1 + ? 'lastWeek' + : diff < 0 + ? 'lastDay' + : diff < 1 + ? 'sameDay' + : diff < 2 + ? 'nextDay' + : diff < 7 + ? 'nextWeek' + : 'sameElse'; + } + + function calendar$1(time, formats) { + // Support for single parameter, formats only overload to the calendar function + if (arguments.length === 1) { + if (!arguments[0]) { + time = undefined; + formats = undefined; + } else if (isMomentInput(arguments[0])) { + time = arguments[0]; + formats = undefined; + } else if (isCalendarSpec(arguments[0])) { + formats = arguments[0]; + time = undefined; + } + } + // We want to compare the start of today, vs this. + // Getting start-of-today depends on whether we're local/utc/offset or not. + var now = time || createLocal(), + sod = cloneWithOffset(now, this).startOf('day'), + format = hooks.calendarFormat(this, sod) || 'sameElse', + output = + formats && + (isFunction(formats[format]) + ? formats[format].call(this, now) + : formats[format]); + + return this.format( + output || this.localeData().calendar(format, this, createLocal(now)) + ); + } + + function clone() { + return new Moment(this); + } + + function isAfter(input, units) { + var localInput = isMoment(input) ? input : createLocal(input); + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(units) || 'millisecond'; + if (units === 'millisecond') { + return this.valueOf() > localInput.valueOf(); + } else { + return localInput.valueOf() < this.clone().startOf(units).valueOf(); + } + } + + function isBefore(input, units) { + var localInput = isMoment(input) ? input : createLocal(input); + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(units) || 'millisecond'; + if (units === 'millisecond') { + return this.valueOf() < localInput.valueOf(); + } else { + return this.clone().endOf(units).valueOf() < localInput.valueOf(); + } + } + + function isBetween(from, to, units, inclusivity) { + var localFrom = isMoment(from) ? from : createLocal(from), + localTo = isMoment(to) ? to : createLocal(to); + if (!(this.isValid() && localFrom.isValid() && localTo.isValid())) { + return false; + } + inclusivity = inclusivity || '()'; + return ( + (inclusivity[0] === '(' + ? this.isAfter(localFrom, units) + : !this.isBefore(localFrom, units)) && + (inclusivity[1] === ')' + ? this.isBefore(localTo, units) + : !this.isAfter(localTo, units)) + ); + } + + function isSame(input, units) { + var localInput = isMoment(input) ? input : createLocal(input), + inputMs; + if (!(this.isValid() && localInput.isValid())) { + return false; + } + units = normalizeUnits(units) || 'millisecond'; + if (units === 'millisecond') { + return this.valueOf() === localInput.valueOf(); + } else { + inputMs = localInput.valueOf(); + return ( + this.clone().startOf(units).valueOf() <= inputMs && + inputMs <= this.clone().endOf(units).valueOf() + ); + } + } + + function isSameOrAfter(input, units) { + return this.isSame(input, units) || this.isAfter(input, units); + } + + function isSameOrBefore(input, units) { + return this.isSame(input, units) || this.isBefore(input, units); + } + + function diff(input, units, asFloat) { + var that, zoneDelta, output; + + if (!this.isValid()) { + return NaN; + } + + that = cloneWithOffset(input, this); + + if (!that.isValid()) { + return NaN; + } + + zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4; + + units = normalizeUnits(units); + + switch (units) { + case 'year': + output = monthDiff(this, that) / 12; + break; + case 'month': + output = monthDiff(this, that); + break; + case 'quarter': + output = monthDiff(this, that) / 3; + break; + case 'second': + output = (this - that) / 1e3; + break; // 1000 + case 'minute': + output = (this - that) / 6e4; + break; // 1000 * 60 + case 'hour': + output = (this - that) / 36e5; + break; // 1000 * 60 * 60 + case 'day': + output = (this - that - zoneDelta) / 864e5; + break; // 1000 * 60 * 60 * 24, negate dst + case 'week': + output = (this - that - zoneDelta) / 6048e5; + break; // 1000 * 60 * 60 * 24 * 7, negate dst + default: + output = this - that; + } + + return asFloat ? output : absFloor(output); + } + + function monthDiff(a, b) { + if (a.date() < b.date()) { + // end-of-month calculations work correct when the start month has more + // days than the end month. + return -monthDiff(b, a); + } + // difference in months + var wholeMonthDiff = (b.year() - a.year()) * 12 + (b.month() - a.month()), + // b is in (anchor - 1 month, anchor + 1 month) + anchor = a.clone().add(wholeMonthDiff, 'months'), + anchor2, + adjust; + + if (b - anchor < 0) { + anchor2 = a.clone().add(wholeMonthDiff - 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor - anchor2); + } else { + anchor2 = a.clone().add(wholeMonthDiff + 1, 'months'); + // linear across the month + adjust = (b - anchor) / (anchor2 - anchor); + } + + //check for negative zero, return zero if negative zero + return -(wholeMonthDiff + adjust) || 0; + } + + hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ'; + hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]'; + + function toString() { + return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ'); + } + + function toISOString(keepOffset) { + if (!this.isValid()) { + return null; + } + var utc = keepOffset !== true, + m = utc ? this.clone().utc() : this; + if (m.year() < 0 || m.year() > 9999) { + return formatMoment( + m, + utc + ? 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]' + : 'YYYYYY-MM-DD[T]HH:mm:ss.SSSZ' + ); + } + if (isFunction(Date.prototype.toISOString)) { + // native implementation is ~50x faster, use it when we can + if (utc) { + return this.toDate().toISOString(); + } else { + return new Date(this.valueOf() + this.utcOffset() * 60 * 1000) + .toISOString() + .replace('Z', formatMoment(m, 'Z')); + } + } + return formatMoment( + m, + utc ? 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]' : 'YYYY-MM-DD[T]HH:mm:ss.SSSZ' + ); + } + + /** + * Return a human readable representation of a moment that can + * also be evaluated to get a new moment which is the same + * + * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects + */ + function inspect() { + if (!this.isValid()) { + return 'moment.invalid(/* ' + this._i + ' */)'; + } + var func = 'moment', + zone = '', + prefix, + year, + datetime, + suffix; + if (!this.isLocal()) { + func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone'; + zone = 'Z'; + } + prefix = '[' + func + '("]'; + year = 0 <= this.year() && this.year() <= 9999 ? 'YYYY' : 'YYYYYY'; + datetime = '-MM-DD[T]HH:mm:ss.SSS'; + suffix = zone + '[")]'; + + return this.format(prefix + year + datetime + suffix); + } + + function format(inputString) { + if (!inputString) { + inputString = this.isUtc() + ? hooks.defaultFormatUtc + : hooks.defaultFormat; + } + var output = formatMoment(this, inputString); + return this.localeData().postformat(output); + } + + function from(time, withoutSuffix) { + if ( + this.isValid() && + ((isMoment(time) && time.isValid()) || createLocal(time).isValid()) + ) { + return createDuration({ to: this, from: time }) + .locale(this.locale()) + .humanize(!withoutSuffix); + } else { + return this.localeData().invalidDate(); + } + } + + function fromNow(withoutSuffix) { + return this.from(createLocal(), withoutSuffix); + } + + function to(time, withoutSuffix) { + if ( + this.isValid() && + ((isMoment(time) && time.isValid()) || createLocal(time).isValid()) + ) { + return createDuration({ from: this, to: time }) + .locale(this.locale()) + .humanize(!withoutSuffix); + } else { + return this.localeData().invalidDate(); + } + } + + function toNow(withoutSuffix) { + return this.to(createLocal(), withoutSuffix); + } + + // If passed a locale key, it will set the locale for this + // instance. Otherwise, it will return the locale configuration + // variables for this instance. + function locale(key) { + var newLocaleData; + + if (key === undefined) { + return this._locale._abbr; + } else { + newLocaleData = getLocale(key); + if (newLocaleData != null) { + this._locale = newLocaleData; + } + return this; + } + } + + var lang = deprecate( + 'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.', + function (key) { + if (key === undefined) { + return this.localeData(); + } else { + return this.locale(key); + } + } + ); + + function localeData() { + return this._locale; + } + + var MS_PER_SECOND = 1000, + MS_PER_MINUTE = 60 * MS_PER_SECOND, + MS_PER_HOUR = 60 * MS_PER_MINUTE, + MS_PER_400_YEARS = (365 * 400 + 97) * 24 * MS_PER_HOUR; + + // actual modulo - handles negative numbers (for dates before 1970): + function mod$1(dividend, divisor) { + return ((dividend % divisor) + divisor) % divisor; + } + + function localStartOfDate(y, m, d) { + // the date constructor remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0) { + // preserve leap years using a full 400 year cycle, then reset + return new Date(y + 400, m, d) - MS_PER_400_YEARS; + } else { + return new Date(y, m, d).valueOf(); + } + } + + function utcStartOfDate(y, m, d) { + // Date.UTC remaps years 0-99 to 1900-1999 + if (y < 100 && y >= 0) { + // preserve leap years using a full 400 year cycle, then reset + return Date.UTC(y + 400, m, d) - MS_PER_400_YEARS; + } else { + return Date.UTC(y, m, d); + } + } + + function startOf(units) { + var time, startOfDate; + units = normalizeUnits(units); + if (units === undefined || units === 'millisecond' || !this.isValid()) { + return this; + } + + startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; + + switch (units) { + case 'year': + time = startOfDate(this.year(), 0, 1); + break; + case 'quarter': + time = startOfDate( + this.year(), + this.month() - (this.month() % 3), + 1 + ); + break; + case 'month': + time = startOfDate(this.year(), this.month(), 1); + break; + case 'week': + time = startOfDate( + this.year(), + this.month(), + this.date() - this.weekday() + ); + break; + case 'isoWeek': + time = startOfDate( + this.year(), + this.month(), + this.date() - (this.isoWeekday() - 1) + ); + break; + case 'day': + case 'date': + time = startOfDate(this.year(), this.month(), this.date()); + break; + case 'hour': + time = this._d.valueOf(); + time -= mod$1( + time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), + MS_PER_HOUR + ); + break; + case 'minute': + time = this._d.valueOf(); + time -= mod$1(time, MS_PER_MINUTE); + break; + case 'second': + time = this._d.valueOf(); + time -= mod$1(time, MS_PER_SECOND); + break; + } + + this._d.setTime(time); + hooks.updateOffset(this, true); + return this; + } + + function endOf(units) { + var time, startOfDate; + units = normalizeUnits(units); + if (units === undefined || units === 'millisecond' || !this.isValid()) { + return this; + } + + startOfDate = this._isUTC ? utcStartOfDate : localStartOfDate; + + switch (units) { + case 'year': + time = startOfDate(this.year() + 1, 0, 1) - 1; + break; + case 'quarter': + time = + startOfDate( + this.year(), + this.month() - (this.month() % 3) + 3, + 1 + ) - 1; + break; + case 'month': + time = startOfDate(this.year(), this.month() + 1, 1) - 1; + break; + case 'week': + time = + startOfDate( + this.year(), + this.month(), + this.date() - this.weekday() + 7 + ) - 1; + break; + case 'isoWeek': + time = + startOfDate( + this.year(), + this.month(), + this.date() - (this.isoWeekday() - 1) + 7 + ) - 1; + break; + case 'day': + case 'date': + time = startOfDate(this.year(), this.month(), this.date() + 1) - 1; + break; + case 'hour': + time = this._d.valueOf(); + time += + MS_PER_HOUR - + mod$1( + time + (this._isUTC ? 0 : this.utcOffset() * MS_PER_MINUTE), + MS_PER_HOUR + ) - + 1; + break; + case 'minute': + time = this._d.valueOf(); + time += MS_PER_MINUTE - mod$1(time, MS_PER_MINUTE) - 1; + break; + case 'second': + time = this._d.valueOf(); + time += MS_PER_SECOND - mod$1(time, MS_PER_SECOND) - 1; + break; + } + + this._d.setTime(time); + hooks.updateOffset(this, true); + return this; + } + + function valueOf() { + return this._d.valueOf() - (this._offset || 0) * 60000; + } + + function unix() { + return Math.floor(this.valueOf() / 1000); + } + + function toDate() { + return new Date(this.valueOf()); + } + + function toArray() { + var m = this; + return [ + m.year(), + m.month(), + m.date(), + m.hour(), + m.minute(), + m.second(), + m.millisecond(), + ]; + } + + function toObject() { + var m = this; + return { + years: m.year(), + months: m.month(), + date: m.date(), + hours: m.hours(), + minutes: m.minutes(), + seconds: m.seconds(), + milliseconds: m.milliseconds(), + }; + } + + function toJSON() { + // new Date(NaN).toJSON() === null + return this.isValid() ? this.toISOString() : null; + } + + function isValid$2() { + return isValid(this); + } + + function parsingFlags() { + return extend({}, getParsingFlags(this)); + } + + function invalidAt() { + return getParsingFlags(this).overflow; + } + + function creationData() { + return { + input: this._i, + format: this._f, + locale: this._locale, + isUTC: this._isUTC, + strict: this._strict, + }; + } + + addFormatToken('N', 0, 0, 'eraAbbr'); + addFormatToken('NN', 0, 0, 'eraAbbr'); + addFormatToken('NNN', 0, 0, 'eraAbbr'); + addFormatToken('NNNN', 0, 0, 'eraName'); + addFormatToken('NNNNN', 0, 0, 'eraNarrow'); + + addFormatToken('y', ['y', 1], 'yo', 'eraYear'); + addFormatToken('y', ['yy', 2], 0, 'eraYear'); + addFormatToken('y', ['yyy', 3], 0, 'eraYear'); + addFormatToken('y', ['yyyy', 4], 0, 'eraYear'); + + addRegexToken('N', matchEraAbbr); + addRegexToken('NN', matchEraAbbr); + addRegexToken('NNN', matchEraAbbr); + addRegexToken('NNNN', matchEraName); + addRegexToken('NNNNN', matchEraNarrow); + + addParseToken( + ['N', 'NN', 'NNN', 'NNNN', 'NNNNN'], + function (input, array, config, token) { + var era = config._locale.erasParse(input, token, config._strict); + if (era) { + getParsingFlags(config).era = era; + } else { + getParsingFlags(config).invalidEra = input; + } + } + ); + + addRegexToken('y', matchUnsigned); + addRegexToken('yy', matchUnsigned); + addRegexToken('yyy', matchUnsigned); + addRegexToken('yyyy', matchUnsigned); + addRegexToken('yo', matchEraYearOrdinal); + + addParseToken(['y', 'yy', 'yyy', 'yyyy'], YEAR); + addParseToken(['yo'], function (input, array, config, token) { + var match; + if (config._locale._eraYearOrdinalRegex) { + match = input.match(config._locale._eraYearOrdinalRegex); + } + + if (config._locale.eraYearOrdinalParse) { + array[YEAR] = config._locale.eraYearOrdinalParse(input, match); + } else { + array[YEAR] = parseInt(input, 10); + } + }); + + function localeEras(m, format) { + var i, + l, + date, + eras = this._eras || getLocale('en')._eras; + for (i = 0, l = eras.length; i < l; ++i) { + switch (typeof eras[i].since) { + case 'string': + // truncate time + date = hooks(eras[i].since).startOf('day'); + eras[i].since = date.valueOf(); + break; + } + + switch (typeof eras[i].until) { + case 'undefined': + eras[i].until = +Infinity; + break; + case 'string': + // truncate time + date = hooks(eras[i].until).startOf('day').valueOf(); + eras[i].until = date.valueOf(); + break; + } + } + return eras; + } + + function localeErasParse(eraName, format, strict) { + var i, + l, + eras = this.eras(), + name, + abbr, + narrow; + eraName = eraName.toUpperCase(); + + for (i = 0, l = eras.length; i < l; ++i) { + name = eras[i].name.toUpperCase(); + abbr = eras[i].abbr.toUpperCase(); + narrow = eras[i].narrow.toUpperCase(); + + if (strict) { + switch (format) { + case 'N': + case 'NN': + case 'NNN': + if (abbr === eraName) { + return eras[i]; + } + break; + + case 'NNNN': + if (name === eraName) { + return eras[i]; + } + break; + + case 'NNNNN': + if (narrow === eraName) { + return eras[i]; + } + break; + } + } else if ([name, abbr, narrow].indexOf(eraName) >= 0) { + return eras[i]; + } + } + } + + function localeErasConvertYear(era, year) { + var dir = era.since <= era.until ? +1 : -1; + if (year === undefined) { + return hooks(era.since).year(); + } else { + return hooks(era.since).year() + (year - era.offset) * dir; + } + } + + function getEraName() { + var i, + l, + val, + eras = this.localeData().eras(); + for (i = 0, l = eras.length; i < l; ++i) { + // truncate time + val = this.clone().startOf('day').valueOf(); + + if (eras[i].since <= val && val <= eras[i].until) { + return eras[i].name; + } + if (eras[i].until <= val && val <= eras[i].since) { + return eras[i].name; + } + } + + return ''; + } + + function getEraNarrow() { + var i, + l, + val, + eras = this.localeData().eras(); + for (i = 0, l = eras.length; i < l; ++i) { + // truncate time + val = this.clone().startOf('day').valueOf(); + + if (eras[i].since <= val && val <= eras[i].until) { + return eras[i].narrow; + } + if (eras[i].until <= val && val <= eras[i].since) { + return eras[i].narrow; + } + } + + return ''; + } + + function getEraAbbr() { + var i, + l, + val, + eras = this.localeData().eras(); + for (i = 0, l = eras.length; i < l; ++i) { + // truncate time + val = this.clone().startOf('day').valueOf(); + + if (eras[i].since <= val && val <= eras[i].until) { + return eras[i].abbr; + } + if (eras[i].until <= val && val <= eras[i].since) { + return eras[i].abbr; + } + } + + return ''; + } + + function getEraYear() { + var i, + l, + dir, + val, + eras = this.localeData().eras(); + for (i = 0, l = eras.length; i < l; ++i) { + dir = eras[i].since <= eras[i].until ? +1 : -1; + + // truncate time + val = this.clone().startOf('day').valueOf(); + + if ( + (eras[i].since <= val && val <= eras[i].until) || + (eras[i].until <= val && val <= eras[i].since) + ) { + return ( + (this.year() - hooks(eras[i].since).year()) * dir + + eras[i].offset + ); + } + } + + return this.year(); + } + + function erasNameRegex(isStrict) { + if (!hasOwnProp(this, '_erasNameRegex')) { + computeErasParse.call(this); + } + return isStrict ? this._erasNameRegex : this._erasRegex; + } + + function erasAbbrRegex(isStrict) { + if (!hasOwnProp(this, '_erasAbbrRegex')) { + computeErasParse.call(this); + } + return isStrict ? this._erasAbbrRegex : this._erasRegex; + } + + function erasNarrowRegex(isStrict) { + if (!hasOwnProp(this, '_erasNarrowRegex')) { + computeErasParse.call(this); + } + return isStrict ? this._erasNarrowRegex : this._erasRegex; + } + + function matchEraAbbr(isStrict, locale) { + return locale.erasAbbrRegex(isStrict); + } + + function matchEraName(isStrict, locale) { + return locale.erasNameRegex(isStrict); + } + + function matchEraNarrow(isStrict, locale) { + return locale.erasNarrowRegex(isStrict); + } + + function matchEraYearOrdinal(isStrict, locale) { + return locale._eraYearOrdinalRegex || matchUnsigned; + } + + function computeErasParse() { + var abbrPieces = [], + namePieces = [], + narrowPieces = [], + mixedPieces = [], + i, + l, + eras = this.eras(); + + for (i = 0, l = eras.length; i < l; ++i) { + namePieces.push(regexEscape(eras[i].name)); + abbrPieces.push(regexEscape(eras[i].abbr)); + narrowPieces.push(regexEscape(eras[i].narrow)); + + mixedPieces.push(regexEscape(eras[i].name)); + mixedPieces.push(regexEscape(eras[i].abbr)); + mixedPieces.push(regexEscape(eras[i].narrow)); + } + + this._erasRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i'); + this._erasNameRegex = new RegExp('^(' + namePieces.join('|') + ')', 'i'); + this._erasAbbrRegex = new RegExp('^(' + abbrPieces.join('|') + ')', 'i'); + this._erasNarrowRegex = new RegExp( + '^(' + narrowPieces.join('|') + ')', + 'i' + ); + } + + // FORMATTING + + addFormatToken(0, ['gg', 2], 0, function () { + return this.weekYear() % 100; + }); + + addFormatToken(0, ['GG', 2], 0, function () { + return this.isoWeekYear() % 100; + }); + + function addWeekYearFormatToken(token, getter) { + addFormatToken(0, [token, token.length], 0, getter); + } + + addWeekYearFormatToken('gggg', 'weekYear'); + addWeekYearFormatToken('ggggg', 'weekYear'); + addWeekYearFormatToken('GGGG', 'isoWeekYear'); + addWeekYearFormatToken('GGGGG', 'isoWeekYear'); + + // ALIASES + + addUnitAlias('weekYear', 'gg'); + addUnitAlias('isoWeekYear', 'GG'); + + // PRIORITY + + addUnitPriority('weekYear', 1); + addUnitPriority('isoWeekYear', 1); + + // PARSING + + addRegexToken('G', matchSigned); + addRegexToken('g', matchSigned); + addRegexToken('GG', match1to2, match2); + addRegexToken('gg', match1to2, match2); + addRegexToken('GGGG', match1to4, match4); + addRegexToken('gggg', match1to4, match4); + addRegexToken('GGGGG', match1to6, match6); + addRegexToken('ggggg', match1to6, match6); + + addWeekParseToken( + ['gggg', 'ggggg', 'GGGG', 'GGGGG'], + function (input, week, config, token) { + week[token.substr(0, 2)] = toInt(input); + } + ); + + addWeekParseToken(['gg', 'GG'], function (input, week, config, token) { + week[token] = hooks.parseTwoDigitYear(input); + }); + + // MOMENTS + + function getSetWeekYear(input) { + return getSetWeekYearHelper.call( + this, + input, + this.week(), + this.weekday(), + this.localeData()._week.dow, + this.localeData()._week.doy + ); + } + + function getSetISOWeekYear(input) { + return getSetWeekYearHelper.call( + this, + input, + this.isoWeek(), + this.isoWeekday(), + 1, + 4 + ); + } + + function getISOWeeksInYear() { + return weeksInYear(this.year(), 1, 4); + } + + function getISOWeeksInISOWeekYear() { + return weeksInYear(this.isoWeekYear(), 1, 4); + } + + function getWeeksInYear() { + var weekInfo = this.localeData()._week; + return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy); + } + + function getWeeksInWeekYear() { + var weekInfo = this.localeData()._week; + return weeksInYear(this.weekYear(), weekInfo.dow, weekInfo.doy); + } + + function getSetWeekYearHelper(input, week, weekday, dow, doy) { + var weeksTarget; + if (input == null) { + return weekOfYear(this, dow, doy).year; + } else { + weeksTarget = weeksInYear(input, dow, doy); + if (week > weeksTarget) { + week = weeksTarget; + } + return setWeekAll.call(this, input, week, weekday, dow, doy); + } + } + + function setWeekAll(weekYear, week, weekday, dow, doy) { + var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy), + date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear); + + this.year(date.getUTCFullYear()); + this.month(date.getUTCMonth()); + this.date(date.getUTCDate()); + return this; + } + + // FORMATTING + + addFormatToken('Q', 0, 'Qo', 'quarter'); + + // ALIASES + + addUnitAlias('quarter', 'Q'); + + // PRIORITY + + addUnitPriority('quarter', 7); + + // PARSING + + addRegexToken('Q', match1); + addParseToken('Q', function (input, array) { + array[MONTH] = (toInt(input) - 1) * 3; + }); + + // MOMENTS + + function getSetQuarter(input) { + return input == null + ? Math.ceil((this.month() + 1) / 3) + : this.month((input - 1) * 3 + (this.month() % 3)); + } + + // FORMATTING + + addFormatToken('D', ['DD', 2], 'Do', 'date'); + + // ALIASES + + addUnitAlias('date', 'D'); + + // PRIORITY + addUnitPriority('date', 9); + + // PARSING + + addRegexToken('D', match1to2); + addRegexToken('DD', match1to2, match2); + addRegexToken('Do', function (isStrict, locale) { + // TODO: Remove "ordinalParse" fallback in next major release. + return isStrict + ? locale._dayOfMonthOrdinalParse || locale._ordinalParse + : locale._dayOfMonthOrdinalParseLenient; + }); + + addParseToken(['D', 'DD'], DATE); + addParseToken('Do', function (input, array) { + array[DATE] = toInt(input.match(match1to2)[0]); + }); + + // MOMENTS + + var getSetDayOfMonth = makeGetSet('Date', true); + + // FORMATTING + + addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear'); + + // ALIASES + + addUnitAlias('dayOfYear', 'DDD'); + + // PRIORITY + addUnitPriority('dayOfYear', 4); + + // PARSING + + addRegexToken('DDD', match1to3); + addRegexToken('DDDD', match3); + addParseToken(['DDD', 'DDDD'], function (input, array, config) { + config._dayOfYear = toInt(input); + }); + + // HELPERS + + // MOMENTS + + function getSetDayOfYear(input) { + var dayOfYear = + Math.round( + (this.clone().startOf('day') - this.clone().startOf('year')) / 864e5 + ) + 1; + return input == null ? dayOfYear : this.add(input - dayOfYear, 'd'); + } + + // FORMATTING + + addFormatToken('m', ['mm', 2], 0, 'minute'); + + // ALIASES + + addUnitAlias('minute', 'm'); + + // PRIORITY + + addUnitPriority('minute', 14); + + // PARSING + + addRegexToken('m', match1to2); + addRegexToken('mm', match1to2, match2); + addParseToken(['m', 'mm'], MINUTE); + + // MOMENTS + + var getSetMinute = makeGetSet('Minutes', false); + + // FORMATTING + + addFormatToken('s', ['ss', 2], 0, 'second'); + + // ALIASES + + addUnitAlias('second', 's'); + + // PRIORITY + + addUnitPriority('second', 15); + + // PARSING + + addRegexToken('s', match1to2); + addRegexToken('ss', match1to2, match2); + addParseToken(['s', 'ss'], SECOND); + + // MOMENTS + + var getSetSecond = makeGetSet('Seconds', false); + + // FORMATTING + + addFormatToken('S', 0, 0, function () { + return ~~(this.millisecond() / 100); + }); + + addFormatToken(0, ['SS', 2], 0, function () { + return ~~(this.millisecond() / 10); + }); + + addFormatToken(0, ['SSS', 3], 0, 'millisecond'); + addFormatToken(0, ['SSSS', 4], 0, function () { + return this.millisecond() * 10; + }); + addFormatToken(0, ['SSSSS', 5], 0, function () { + return this.millisecond() * 100; + }); + addFormatToken(0, ['SSSSSS', 6], 0, function () { + return this.millisecond() * 1000; + }); + addFormatToken(0, ['SSSSSSS', 7], 0, function () { + return this.millisecond() * 10000; + }); + addFormatToken(0, ['SSSSSSSS', 8], 0, function () { + return this.millisecond() * 100000; + }); + addFormatToken(0, ['SSSSSSSSS', 9], 0, function () { + return this.millisecond() * 1000000; + }); + + // ALIASES + + addUnitAlias('millisecond', 'ms'); + + // PRIORITY + + addUnitPriority('millisecond', 16); + + // PARSING + + addRegexToken('S', match1to3, match1); + addRegexToken('SS', match1to3, match2); + addRegexToken('SSS', match1to3, match3); + + var token, getSetMillisecond; + for (token = 'SSSS'; token.length <= 9; token += 'S') { + addRegexToken(token, matchUnsigned); + } + + function parseMs(input, array) { + array[MILLISECOND] = toInt(('0.' + input) * 1000); + } + + for (token = 'S'; token.length <= 9; token += 'S') { + addParseToken(token, parseMs); + } + + getSetMillisecond = makeGetSet('Milliseconds', false); + + // FORMATTING + + addFormatToken('z', 0, 0, 'zoneAbbr'); + addFormatToken('zz', 0, 0, 'zoneName'); + + // MOMENTS + + function getZoneAbbr() { + return this._isUTC ? 'UTC' : ''; + } + + function getZoneName() { + return this._isUTC ? 'Coordinated Universal Time' : ''; + } + + var proto = Moment.prototype; + + proto.add = add; + proto.calendar = calendar$1; + proto.clone = clone; + proto.diff = diff; + proto.endOf = endOf; + proto.format = format; + proto.from = from; + proto.fromNow = fromNow; + proto.to = to; + proto.toNow = toNow; + proto.get = stringGet; + proto.invalidAt = invalidAt; + proto.isAfter = isAfter; + proto.isBefore = isBefore; + proto.isBetween = isBetween; + proto.isSame = isSame; + proto.isSameOrAfter = isSameOrAfter; + proto.isSameOrBefore = isSameOrBefore; + proto.isValid = isValid$2; + proto.lang = lang; + proto.locale = locale; + proto.localeData = localeData; + proto.max = prototypeMax; + proto.min = prototypeMin; + proto.parsingFlags = parsingFlags; + proto.set = stringSet; + proto.startOf = startOf; + proto.subtract = subtract; + proto.toArray = toArray; + proto.toObject = toObject; + proto.toDate = toDate; + proto.toISOString = toISOString; + proto.inspect = inspect; + if (typeof Symbol !== 'undefined' && Symbol.for != null) { + proto[Symbol.for('nodejs.util.inspect.custom')] = function () { + return 'Moment<' + this.format() + '>'; + }; + } + proto.toJSON = toJSON; + proto.toString = toString; + proto.unix = unix; + proto.valueOf = valueOf; + proto.creationData = creationData; + proto.eraName = getEraName; + proto.eraNarrow = getEraNarrow; + proto.eraAbbr = getEraAbbr; + proto.eraYear = getEraYear; + proto.year = getSetYear; + proto.isLeapYear = getIsLeapYear; + proto.weekYear = getSetWeekYear; + proto.isoWeekYear = getSetISOWeekYear; + proto.quarter = proto.quarters = getSetQuarter; + proto.month = getSetMonth; + proto.daysInMonth = getDaysInMonth; + proto.week = proto.weeks = getSetWeek; + proto.isoWeek = proto.isoWeeks = getSetISOWeek; + proto.weeksInYear = getWeeksInYear; + proto.weeksInWeekYear = getWeeksInWeekYear; + proto.isoWeeksInYear = getISOWeeksInYear; + proto.isoWeeksInISOWeekYear = getISOWeeksInISOWeekYear; + proto.date = getSetDayOfMonth; + proto.day = proto.days = getSetDayOfWeek; + proto.weekday = getSetLocaleDayOfWeek; + proto.isoWeekday = getSetISODayOfWeek; + proto.dayOfYear = getSetDayOfYear; + proto.hour = proto.hours = getSetHour; + proto.minute = proto.minutes = getSetMinute; + proto.second = proto.seconds = getSetSecond; + proto.millisecond = proto.milliseconds = getSetMillisecond; + proto.utcOffset = getSetOffset; + proto.utc = setOffsetToUTC; + proto.local = setOffsetToLocal; + proto.parseZone = setOffsetToParsedOffset; + proto.hasAlignedHourOffset = hasAlignedHourOffset; + proto.isDST = isDaylightSavingTime; + proto.isLocal = isLocal; + proto.isUtcOffset = isUtcOffset; + proto.isUtc = isUtc; + proto.isUTC = isUtc; + proto.zoneAbbr = getZoneAbbr; + proto.zoneName = getZoneName; + proto.dates = deprecate( + 'dates accessor is deprecated. Use date instead.', + getSetDayOfMonth + ); + proto.months = deprecate( + 'months accessor is deprecated. Use month instead', + getSetMonth + ); + proto.years = deprecate( + 'years accessor is deprecated. Use year instead', + getSetYear + ); + proto.zone = deprecate( + 'moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', + getSetZone + ); + proto.isDSTShifted = deprecate( + 'isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', + isDaylightSavingTimeShifted + ); + + function createUnix(input) { + return createLocal(input * 1000); + } + + function createInZone() { + return createLocal.apply(null, arguments).parseZone(); + } + + function preParsePostFormat(string) { + return string; + } + + var proto$1 = Locale.prototype; + + proto$1.calendar = calendar; + proto$1.longDateFormat = longDateFormat; + proto$1.invalidDate = invalidDate; + proto$1.ordinal = ordinal; + proto$1.preparse = preParsePostFormat; + proto$1.postformat = preParsePostFormat; + proto$1.relativeTime = relativeTime; + proto$1.pastFuture = pastFuture; + proto$1.set = set; + proto$1.eras = localeEras; + proto$1.erasParse = localeErasParse; + proto$1.erasConvertYear = localeErasConvertYear; + proto$1.erasAbbrRegex = erasAbbrRegex; + proto$1.erasNameRegex = erasNameRegex; + proto$1.erasNarrowRegex = erasNarrowRegex; + + proto$1.months = localeMonths; + proto$1.monthsShort = localeMonthsShort; + proto$1.monthsParse = localeMonthsParse; + proto$1.monthsRegex = monthsRegex; + proto$1.monthsShortRegex = monthsShortRegex; + proto$1.week = localeWeek; + proto$1.firstDayOfYear = localeFirstDayOfYear; + proto$1.firstDayOfWeek = localeFirstDayOfWeek; + + proto$1.weekdays = localeWeekdays; + proto$1.weekdaysMin = localeWeekdaysMin; + proto$1.weekdaysShort = localeWeekdaysShort; + proto$1.weekdaysParse = localeWeekdaysParse; + + proto$1.weekdaysRegex = weekdaysRegex; + proto$1.weekdaysShortRegex = weekdaysShortRegex; + proto$1.weekdaysMinRegex = weekdaysMinRegex; + + proto$1.isPM = localeIsPM; + proto$1.meridiem = localeMeridiem; + + function get$1(format, index, field, setter) { + var locale = getLocale(), + utc = createUTC().set(setter, index); + return locale[field](utc, format); + } + + function listMonthsImpl(format, index, field) { + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + + if (index != null) { + return get$1(format, index, field, 'month'); + } + + var i, + out = []; + for (i = 0; i < 12; i++) { + out[i] = get$1(format, i, field, 'month'); + } + return out; + } + + // () + // (5) + // (fmt, 5) + // (fmt) + // (true) + // (true, 5) + // (true, fmt, 5) + // (true, fmt) + function listWeekdaysImpl(localeSorted, format, index, field) { + if (typeof localeSorted === 'boolean') { + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + } else { + format = localeSorted; + index = format; + localeSorted = false; + + if (isNumber(format)) { + index = format; + format = undefined; + } + + format = format || ''; + } + + var locale = getLocale(), + shift = localeSorted ? locale._week.dow : 0, + i, + out = []; + + if (index != null) { + return get$1(format, (index + shift) % 7, field, 'day'); + } + + for (i = 0; i < 7; i++) { + out[i] = get$1(format, (i + shift) % 7, field, 'day'); + } + return out; + } + + function listMonths(format, index) { + return listMonthsImpl(format, index, 'months'); + } + + function listMonthsShort(format, index) { + return listMonthsImpl(format, index, 'monthsShort'); + } + + function listWeekdays(localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdays'); + } + + function listWeekdaysShort(localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort'); + } + + function listWeekdaysMin(localeSorted, format, index) { + return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin'); + } + + getSetGlobalLocale('en', { + eras: [ + { + since: '0001-01-01', + until: +Infinity, + offset: 1, + name: 'Anno Domini', + narrow: 'AD', + abbr: 'AD', + }, + { + since: '0000-12-31', + until: -Infinity, + offset: 1, + name: 'Before Christ', + narrow: 'BC', + abbr: 'BC', + }, + ], + dayOfMonthOrdinalParse: /\d{1,2}(th|st|nd|rd)/, + ordinal: function (number) { + var b = number % 10, + output = + toInt((number % 100) / 10) === 1 + ? 'th' + : b === 1 + ? 'st' + : b === 2 + ? 'nd' + : b === 3 + ? 'rd' + : 'th'; + return number + output; + }, + }); + + // Side effect imports + + hooks.lang = deprecate( + 'moment.lang is deprecated. Use moment.locale instead.', + getSetGlobalLocale + ); + hooks.langData = deprecate( + 'moment.langData is deprecated. Use moment.localeData instead.', + getLocale + ); + + var mathAbs = Math.abs; + + function abs() { + var data = this._data; + + this._milliseconds = mathAbs(this._milliseconds); + this._days = mathAbs(this._days); + this._months = mathAbs(this._months); + + data.milliseconds = mathAbs(data.milliseconds); + data.seconds = mathAbs(data.seconds); + data.minutes = mathAbs(data.minutes); + data.hours = mathAbs(data.hours); + data.months = mathAbs(data.months); + data.years = mathAbs(data.years); + + return this; + } + + function addSubtract$1(duration, input, value, direction) { + var other = createDuration(input, value); + + duration._milliseconds += direction * other._milliseconds; + duration._days += direction * other._days; + duration._months += direction * other._months; + + return duration._bubble(); + } + + // supports only 2.0-style add(1, 's') or add(duration) + function add$1(input, value) { + return addSubtract$1(this, input, value, 1); + } + + // supports only 2.0-style subtract(1, 's') or subtract(duration) + function subtract$1(input, value) { + return addSubtract$1(this, input, value, -1); + } + + function absCeil(number) { + if (number < 0) { + return Math.floor(number); + } else { + return Math.ceil(number); + } + } + + function bubble() { + var milliseconds = this._milliseconds, + days = this._days, + months = this._months, + data = this._data, + seconds, + minutes, + hours, + years, + monthsFromDays; + + // if we have a mix of positive and negative values, bubble down first + // check: https://github.com/moment/moment/issues/2166 + if ( + !( + (milliseconds >= 0 && days >= 0 && months >= 0) || + (milliseconds <= 0 && days <= 0 && months <= 0) + ) + ) { + milliseconds += absCeil(monthsToDays(months) + days) * 864e5; + days = 0; + months = 0; + } + + // The following code bubbles up values, see the tests for + // examples of what that means. + data.milliseconds = milliseconds % 1000; + + seconds = absFloor(milliseconds / 1000); + data.seconds = seconds % 60; + + minutes = absFloor(seconds / 60); + data.minutes = minutes % 60; + + hours = absFloor(minutes / 60); + data.hours = hours % 24; + + days += absFloor(hours / 24); + + // convert days to months + monthsFromDays = absFloor(daysToMonths(days)); + months += monthsFromDays; + days -= absCeil(monthsToDays(monthsFromDays)); + + // 12 months -> 1 year + years = absFloor(months / 12); + months %= 12; + + data.days = days; + data.months = months; + data.years = years; + + return this; + } + + function daysToMonths(days) { + // 400 years have 146097 days (taking into account leap year rules) + // 400 years have 12 months === 4800 + return (days * 4800) / 146097; + } + + function monthsToDays(months) { + // the reverse of daysToMonths + return (months * 146097) / 4800; + } + + function as(units) { + if (!this.isValid()) { + return NaN; + } + var days, + months, + milliseconds = this._milliseconds; + + units = normalizeUnits(units); + + if (units === 'month' || units === 'quarter' || units === 'year') { + days = this._days + milliseconds / 864e5; + months = this._months + daysToMonths(days); + switch (units) { + case 'month': + return months; + case 'quarter': + return months / 3; + case 'year': + return months / 12; + } + } else { + // handle milliseconds separately because of floating point math errors (issue #1867) + days = this._days + Math.round(monthsToDays(this._months)); + switch (units) { + case 'week': + return days / 7 + milliseconds / 6048e5; + case 'day': + return days + milliseconds / 864e5; + case 'hour': + return days * 24 + milliseconds / 36e5; + case 'minute': + return days * 1440 + milliseconds / 6e4; + case 'second': + return days * 86400 + milliseconds / 1000; + // Math.floor prevents floating point math errors here + case 'millisecond': + return Math.floor(days * 864e5) + milliseconds; + default: + throw new Error('Unknown unit ' + units); + } + } + } + + // TODO: Use this.as('ms')? + function valueOf$1() { + if (!this.isValid()) { + return NaN; + } + return ( + this._milliseconds + + this._days * 864e5 + + (this._months % 12) * 2592e6 + + toInt(this._months / 12) * 31536e6 + ); + } + + function makeAs(alias) { + return function () { + return this.as(alias); + }; + } + + var asMilliseconds = makeAs('ms'), + asSeconds = makeAs('s'), + asMinutes = makeAs('m'), + asHours = makeAs('h'), + asDays = makeAs('d'), + asWeeks = makeAs('w'), + asMonths = makeAs('M'), + asQuarters = makeAs('Q'), + asYears = makeAs('y'); + + function clone$1() { + return createDuration(this); + } + + function get$2(units) { + units = normalizeUnits(units); + return this.isValid() ? this[units + 's']() : NaN; + } + + function makeGetter(name) { + return function () { + return this.isValid() ? this._data[name] : NaN; + }; + } + + var milliseconds = makeGetter('milliseconds'), + seconds = makeGetter('seconds'), + minutes = makeGetter('minutes'), + hours = makeGetter('hours'), + days = makeGetter('days'), + months = makeGetter('months'), + years = makeGetter('years'); + + function weeks() { + return absFloor(this.days() / 7); + } + + var round = Math.round, + thresholds = { + ss: 44, // a few seconds to seconds + s: 45, // seconds to minute + m: 45, // minutes to hour + h: 22, // hours to day + d: 26, // days to month/week + w: null, // weeks to month + M: 11, // months to year + }; + + // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize + function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) { + return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture); + } + + function relativeTime$1(posNegDuration, withoutSuffix, thresholds, locale) { + var duration = createDuration(posNegDuration).abs(), + seconds = round(duration.as('s')), + minutes = round(duration.as('m')), + hours = round(duration.as('h')), + days = round(duration.as('d')), + months = round(duration.as('M')), + weeks = round(duration.as('w')), + years = round(duration.as('y')), + a = + (seconds <= thresholds.ss && ['s', seconds]) || + (seconds < thresholds.s && ['ss', seconds]) || + (minutes <= 1 && ['m']) || + (minutes < thresholds.m && ['mm', minutes]) || + (hours <= 1 && ['h']) || + (hours < thresholds.h && ['hh', hours]) || + (days <= 1 && ['d']) || + (days < thresholds.d && ['dd', days]); + + if (thresholds.w != null) { + a = + a || + (weeks <= 1 && ['w']) || + (weeks < thresholds.w && ['ww', weeks]); + } + a = a || + (months <= 1 && ['M']) || + (months < thresholds.M && ['MM', months]) || + (years <= 1 && ['y']) || ['yy', years]; + + a[2] = withoutSuffix; + a[3] = +posNegDuration > 0; + a[4] = locale; + return substituteTimeAgo.apply(null, a); + } + + // This function allows you to set the rounding function for relative time strings + function getSetRelativeTimeRounding(roundingFunction) { + if (roundingFunction === undefined) { + return round; + } + if (typeof roundingFunction === 'function') { + round = roundingFunction; + return true; + } + return false; + } + + // This function allows you to set a threshold for relative time strings + function getSetRelativeTimeThreshold(threshold, limit) { + if (thresholds[threshold] === undefined) { + return false; + } + if (limit === undefined) { + return thresholds[threshold]; + } + thresholds[threshold] = limit; + if (threshold === 's') { + thresholds.ss = limit - 1; + } + return true; + } + + function humanize(argWithSuffix, argThresholds) { + if (!this.isValid()) { + return this.localeData().invalidDate(); + } + + var withSuffix = false, + th = thresholds, + locale, + output; + + if (typeof argWithSuffix === 'object') { + argThresholds = argWithSuffix; + argWithSuffix = false; + } + if (typeof argWithSuffix === 'boolean') { + withSuffix = argWithSuffix; + } + if (typeof argThresholds === 'object') { + th = Object.assign({}, thresholds, argThresholds); + if (argThresholds.s != null && argThresholds.ss == null) { + th.ss = argThresholds.s - 1; + } + } + + locale = this.localeData(); + output = relativeTime$1(this, !withSuffix, th, locale); + + if (withSuffix) { + output = locale.pastFuture(+this, output); + } + + return locale.postformat(output); + } + + var abs$1 = Math.abs; + + function sign(x) { + return (x > 0) - (x < 0) || +x; + } + + function toISOString$1() { + // for ISO strings we do not use the normal bubbling rules: + // * milliseconds bubble up until they become hours + // * days do not bubble at all + // * months bubble up until they become years + // This is because there is no context-free conversion between hours and days + // (think of clock changes) + // and also not between days and months (28-31 days per month) + if (!this.isValid()) { + return this.localeData().invalidDate(); + } + + var seconds = abs$1(this._milliseconds) / 1000, + days = abs$1(this._days), + months = abs$1(this._months), + minutes, + hours, + years, + s, + total = this.asSeconds(), + totalSign, + ymSign, + daysSign, + hmsSign; + + if (!total) { + // this is the same as C#'s (Noda) and python (isodate)... + // but not other JS (goog.date) + return 'P0D'; + } + + // 3600 seconds -> 60 minutes -> 1 hour + minutes = absFloor(seconds / 60); + hours = absFloor(minutes / 60); + seconds %= 60; + minutes %= 60; + + // 12 months -> 1 year + years = absFloor(months / 12); + months %= 12; + + // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js + s = seconds ? seconds.toFixed(3).replace(/\.?0+$/, '') : ''; + + totalSign = total < 0 ? '-' : ''; + ymSign = sign(this._months) !== sign(total) ? '-' : ''; + daysSign = sign(this._days) !== sign(total) ? '-' : ''; + hmsSign = sign(this._milliseconds) !== sign(total) ? '-' : ''; + + return ( + totalSign + + 'P' + + (years ? ymSign + years + 'Y' : '') + + (months ? ymSign + months + 'M' : '') + + (days ? daysSign + days + 'D' : '') + + (hours || minutes || seconds ? 'T' : '') + + (hours ? hmsSign + hours + 'H' : '') + + (minutes ? hmsSign + minutes + 'M' : '') + + (seconds ? hmsSign + s + 'S' : '') + ); + } + + var proto$2 = Duration.prototype; + + proto$2.isValid = isValid$1; + proto$2.abs = abs; + proto$2.add = add$1; + proto$2.subtract = subtract$1; + proto$2.as = as; + proto$2.asMilliseconds = asMilliseconds; + proto$2.asSeconds = asSeconds; + proto$2.asMinutes = asMinutes; + proto$2.asHours = asHours; + proto$2.asDays = asDays; + proto$2.asWeeks = asWeeks; + proto$2.asMonths = asMonths; + proto$2.asQuarters = asQuarters; + proto$2.asYears = asYears; + proto$2.valueOf = valueOf$1; + proto$2._bubble = bubble; + proto$2.clone = clone$1; + proto$2.get = get$2; + proto$2.milliseconds = milliseconds; + proto$2.seconds = seconds; + proto$2.minutes = minutes; + proto$2.hours = hours; + proto$2.days = days; + proto$2.weeks = weeks; + proto$2.months = months; + proto$2.years = years; + proto$2.humanize = humanize; + proto$2.toISOString = toISOString$1; + proto$2.toString = toISOString$1; + proto$2.toJSON = toISOString$1; + proto$2.locale = locale; + proto$2.localeData = localeData; + + proto$2.toIsoString = deprecate( + 'toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', + toISOString$1 + ); + proto$2.lang = lang; + + // FORMATTING + + addFormatToken('X', 0, 0, 'unix'); + addFormatToken('x', 0, 0, 'valueOf'); + + // PARSING + + addRegexToken('x', matchSigned); + addRegexToken('X', matchTimestamp); + addParseToken('X', function (input, array, config) { + config._d = new Date(parseFloat(input) * 1000); + }); + addParseToken('x', function (input, array, config) { + config._d = new Date(toInt(input)); + }); + + //! moment.js + + hooks.version = '2.29.4'; + + setHookCallback(createLocal); + + hooks.fn = proto; + hooks.min = min; + hooks.max = max; + hooks.now = now; + hooks.utc = createUTC; + hooks.unix = createUnix; + hooks.months = listMonths; + hooks.isDate = isDate; + hooks.locale = getSetGlobalLocale; + hooks.invalid = createInvalid; + hooks.duration = createDuration; + hooks.isMoment = isMoment; + hooks.weekdays = listWeekdays; + hooks.parseZone = createInZone; + hooks.localeData = getLocale; + hooks.isDuration = isDuration; + hooks.monthsShort = listMonthsShort; + hooks.weekdaysMin = listWeekdaysMin; + hooks.defineLocale = defineLocale; + hooks.updateLocale = updateLocale; + hooks.locales = listLocales; + hooks.weekdaysShort = listWeekdaysShort; + hooks.normalizeUnits = normalizeUnits; + hooks.relativeTimeRounding = getSetRelativeTimeRounding; + hooks.relativeTimeThreshold = getSetRelativeTimeThreshold; + hooks.calendarFormat = getCalendarFormat; + hooks.prototype = proto; + + // currently HTML5 input type only supports 24-hour formats + hooks.HTML5_FMT = { + DATETIME_LOCAL: 'YYYY-MM-DDTHH:mm', // + DATETIME_LOCAL_SECONDS: 'YYYY-MM-DDTHH:mm:ss', // + DATETIME_LOCAL_MS: 'YYYY-MM-DDTHH:mm:ss.SSS', // + DATE: 'YYYY-MM-DD', // + TIME: 'HH:mm', // + TIME_SECONDS: 'HH:mm:ss', // + TIME_MS: 'HH:mm:ss.SSS', // + WEEK: 'GGGG-[W]WW', // + MONTH: 'YYYY-MM', // + }; + + return hooks; + + }))); + } (moment)); + return moment.exports; + } + + /*! + * Chart.js v2.9.4 + * https://www.chartjs.org + * (c) 2020 Chart.js Contributors + * Released under the MIT License + */ + + (function (module, exports) { + (function (global, factory) { + module.exports = factory(function() { try { return requireMoment(); } catch(e) { } }()) ; + }(commonjsGlobal, (function (moment) { + moment = moment && moment.hasOwnProperty('default') ? moment['default'] : moment; + + function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; + } + + function getCjsExportFromNamespace (n) { + return n && n['default'] || n; + } + + var colorName = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] + }; + + var conversions = createCommonjsModule(function (module) { + /* MIT license */ + + + // NOTE: conversions should only return primitive values (i.e. arrays, or + // values that give correct `typeof` results). + // do not use box values types (i.e. Number(), String(), etc.) + + var reverseKeywords = {}; + for (var key in colorName) { + if (colorName.hasOwnProperty(key)) { + reverseKeywords[colorName[key]] = key; + } + } + + var convert = module.exports = { + rgb: {channels: 3, labels: 'rgb'}, + hsl: {channels: 3, labels: 'hsl'}, + hsv: {channels: 3, labels: 'hsv'}, + hwb: {channels: 3, labels: 'hwb'}, + cmyk: {channels: 4, labels: 'cmyk'}, + xyz: {channels: 3, labels: 'xyz'}, + lab: {channels: 3, labels: 'lab'}, + lch: {channels: 3, labels: 'lch'}, + hex: {channels: 1, labels: ['hex']}, + keyword: {channels: 1, labels: ['keyword']}, + ansi16: {channels: 1, labels: ['ansi16']}, + ansi256: {channels: 1, labels: ['ansi256']}, + hcg: {channels: 3, labels: ['h', 'c', 'g']}, + apple: {channels: 3, labels: ['r16', 'g16', 'b16']}, + gray: {channels: 1, labels: ['gray']} + }; + + // hide .channels and .labels properties + for (var model in convert) { + if (convert.hasOwnProperty(model)) { + if (!('channels' in convert[model])) { + throw new Error('missing channels property: ' + model); + } + + if (!('labels' in convert[model])) { + throw new Error('missing channel labels property: ' + model); + } + + if (convert[model].labels.length !== convert[model].channels) { + throw new Error('channel and label counts mismatch: ' + model); + } + + var channels = convert[model].channels; + var labels = convert[model].labels; + delete convert[model].channels; + delete convert[model].labels; + Object.defineProperty(convert[model], 'channels', {value: channels}); + Object.defineProperty(convert[model], 'labels', {value: labels}); + } + } + + convert.rgb.hsl = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var min = Math.min(r, g, b); + var max = Math.max(r, g, b); + var delta = max - min; + var h; + var s; + var l; + + if (max === min) { + h = 0; + } else if (r === max) { + h = (g - b) / delta; + } else if (g === max) { + h = 2 + (b - r) / delta; + } else if (b === max) { + h = 4 + (r - g) / delta; + } + + h = Math.min(h * 60, 360); + + if (h < 0) { + h += 360; + } + + l = (min + max) / 2; + + if (max === min) { + s = 0; + } else if (l <= 0.5) { + s = delta / (max + min); + } else { + s = delta / (2 - max - min); + } + + return [h, s * 100, l * 100]; + }; + + convert.rgb.hsv = function (rgb) { + var rdif; + var gdif; + var bdif; + var h; + var s; + + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var v = Math.max(r, g, b); + var diff = v - Math.min(r, g, b); + var diffc = function (c) { + return (v - c) / 6 / diff + 1 / 2; + }; + + if (diff === 0) { + h = s = 0; + } else { + s = diff / v; + rdif = diffc(r); + gdif = diffc(g); + bdif = diffc(b); + + if (r === v) { + h = bdif - gdif; + } else if (g === v) { + h = (1 / 3) + rdif - bdif; + } else if (b === v) { + h = (2 / 3) + gdif - rdif; + } + if (h < 0) { + h += 1; + } else if (h > 1) { + h -= 1; + } + } + + return [ + h * 360, + s * 100, + v * 100 + ]; + }; + + convert.rgb.hwb = function (rgb) { + var r = rgb[0]; + var g = rgb[1]; + var b = rgb[2]; + var h = convert.rgb.hsl(rgb)[0]; + var w = 1 / 255 * Math.min(r, Math.min(g, b)); + + b = 1 - 1 / 255 * Math.max(r, Math.max(g, b)); + + return [h, w * 100, b * 100]; + }; + + convert.rgb.cmyk = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var c; + var m; + var y; + var k; + + k = Math.min(1 - r, 1 - g, 1 - b); + c = (1 - r - k) / (1 - k) || 0; + m = (1 - g - k) / (1 - k) || 0; + y = (1 - b - k) / (1 - k) || 0; + + return [c * 100, m * 100, y * 100, k * 100]; + }; + + /** + * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance + * */ + function comparativeDistance(x, y) { + return ( + Math.pow(x[0] - y[0], 2) + + Math.pow(x[1] - y[1], 2) + + Math.pow(x[2] - y[2], 2) + ); + } + + convert.rgb.keyword = function (rgb) { + var reversed = reverseKeywords[rgb]; + if (reversed) { + return reversed; + } + + var currentClosestDistance = Infinity; + var currentClosestKeyword; + + for (var keyword in colorName) { + if (colorName.hasOwnProperty(keyword)) { + var value = colorName[keyword]; + + // Compute comparative distance + var distance = comparativeDistance(rgb, value); + + // Check if its less, if so set as closest + if (distance < currentClosestDistance) { + currentClosestDistance = distance; + currentClosestKeyword = keyword; + } + } + } + + return currentClosestKeyword; + }; + + convert.keyword.rgb = function (keyword) { + return colorName[keyword]; + }; + + convert.rgb.xyz = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + + // assume sRGB + r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); + g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); + b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); + + var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); + var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); + var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); + + return [x * 100, y * 100, z * 100]; + }; + + convert.rgb.lab = function (rgb) { + var xyz = convert.rgb.xyz(rgb); + var x = xyz[0]; + var y = xyz[1]; + var z = xyz[2]; + var l; + var a; + var b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; + }; + + convert.hsl.rgb = function (hsl) { + var h = hsl[0] / 360; + var s = hsl[1] / 100; + var l = hsl[2] / 100; + var t1; + var t2; + var t3; + var rgb; + var val; + + if (s === 0) { + val = l * 255; + return [val, val, val]; + } + + if (l < 0.5) { + t2 = l * (1 + s); + } else { + t2 = l + s - l * s; + } + + t1 = 2 * l - t2; + + rgb = [0, 0, 0]; + for (var i = 0; i < 3; i++) { + t3 = h + 1 / 3 * -(i - 1); + if (t3 < 0) { + t3++; + } + if (t3 > 1) { + t3--; + } + + if (6 * t3 < 1) { + val = t1 + (t2 - t1) * 6 * t3; + } else if (2 * t3 < 1) { + val = t2; + } else if (3 * t3 < 2) { + val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; + } else { + val = t1; + } + + rgb[i] = val * 255; + } + + return rgb; + }; + + convert.hsl.hsv = function (hsl) { + var h = hsl[0]; + var s = hsl[1] / 100; + var l = hsl[2] / 100; + var smin = s; + var lmin = Math.max(l, 0.01); + var sv; + var v; + + l *= 2; + s *= (l <= 1) ? l : 2 - l; + smin *= lmin <= 1 ? lmin : 2 - lmin; + v = (l + s) / 2; + sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s); + + return [h, sv * 100, v * 100]; + }; + + convert.hsv.rgb = function (hsv) { + var h = hsv[0] / 60; + var s = hsv[1] / 100; + var v = hsv[2] / 100; + var hi = Math.floor(h) % 6; + + var f = h - Math.floor(h); + var p = 255 * v * (1 - s); + var q = 255 * v * (1 - (s * f)); + var t = 255 * v * (1 - (s * (1 - f))); + v *= 255; + + switch (hi) { + case 0: + return [v, t, p]; + case 1: + return [q, v, p]; + case 2: + return [p, v, t]; + case 3: + return [p, q, v]; + case 4: + return [t, p, v]; + case 5: + return [v, p, q]; + } + }; + + convert.hsv.hsl = function (hsv) { + var h = hsv[0]; + var s = hsv[1] / 100; + var v = hsv[2] / 100; + var vmin = Math.max(v, 0.01); + var lmin; + var sl; + var l; + + l = (2 - s) * v; + lmin = (2 - s) * vmin; + sl = s * vmin; + sl /= (lmin <= 1) ? lmin : 2 - lmin; + sl = sl || 0; + l /= 2; + + return [h, sl * 100, l * 100]; + }; + + // http://dev.w3.org/csswg/css-color/#hwb-to-rgb + convert.hwb.rgb = function (hwb) { + var h = hwb[0] / 360; + var wh = hwb[1] / 100; + var bl = hwb[2] / 100; + var ratio = wh + bl; + var i; + var v; + var f; + var n; + + // wh + bl cant be > 1 + if (ratio > 1) { + wh /= ratio; + bl /= ratio; + } + + i = Math.floor(6 * h); + v = 1 - bl; + f = 6 * h - i; + + if ((i & 0x01) !== 0) { + f = 1 - f; + } + + n = wh + f * (v - wh); // linear interpolation + + var r; + var g; + var b; + switch (i) { + default: + case 6: + case 0: r = v; g = n; b = wh; break; + case 1: r = n; g = v; b = wh; break; + case 2: r = wh; g = v; b = n; break; + case 3: r = wh; g = n; b = v; break; + case 4: r = n; g = wh; b = v; break; + case 5: r = v; g = wh; b = n; break; + } + + return [r * 255, g * 255, b * 255]; + }; + + convert.cmyk.rgb = function (cmyk) { + var c = cmyk[0] / 100; + var m = cmyk[1] / 100; + var y = cmyk[2] / 100; + var k = cmyk[3] / 100; + var r; + var g; + var b; + + r = 1 - Math.min(1, c * (1 - k) + k); + g = 1 - Math.min(1, m * (1 - k) + k); + b = 1 - Math.min(1, y * (1 - k) + k); + + return [r * 255, g * 255, b * 255]; + }; + + convert.xyz.rgb = function (xyz) { + var x = xyz[0] / 100; + var y = xyz[1] / 100; + var z = xyz[2] / 100; + var r; + var g; + var b; + + r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); + g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); + b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); + + // assume sRGB + r = r > 0.0031308 + ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) + : r * 12.92; + + g = g > 0.0031308 + ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) + : g * 12.92; + + b = b > 0.0031308 + ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) + : b * 12.92; + + r = Math.min(Math.max(0, r), 1); + g = Math.min(Math.max(0, g), 1); + b = Math.min(Math.max(0, b), 1); + + return [r * 255, g * 255, b * 255]; + }; + + convert.xyz.lab = function (xyz) { + var x = xyz[0]; + var y = xyz[1]; + var z = xyz[2]; + var l; + var a; + var b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; + }; + + convert.lab.xyz = function (lab) { + var l = lab[0]; + var a = lab[1]; + var b = lab[2]; + var x; + var y; + var z; + + y = (l + 16) / 116; + x = a / 500 + y; + z = y - b / 200; + + var y2 = Math.pow(y, 3); + var x2 = Math.pow(x, 3); + var z2 = Math.pow(z, 3); + y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787; + x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787; + z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787; + + x *= 95.047; + y *= 100; + z *= 108.883; + + return [x, y, z]; + }; + + convert.lab.lch = function (lab) { + var l = lab[0]; + var a = lab[1]; + var b = lab[2]; + var hr; + var h; + var c; + + hr = Math.atan2(b, a); + h = hr * 360 / 2 / Math.PI; + + if (h < 0) { + h += 360; + } + + c = Math.sqrt(a * a + b * b); + + return [l, c, h]; + }; + + convert.lch.lab = function (lch) { + var l = lch[0]; + var c = lch[1]; + var h = lch[2]; + var a; + var b; + var hr; + + hr = h / 360 * 2 * Math.PI; + a = c * Math.cos(hr); + b = c * Math.sin(hr); + + return [l, a, b]; + }; + + convert.rgb.ansi16 = function (args) { + var r = args[0]; + var g = args[1]; + var b = args[2]; + var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization + + value = Math.round(value / 50); + + if (value === 0) { + return 30; + } + + var ansi = 30 + + ((Math.round(b / 255) << 2) + | (Math.round(g / 255) << 1) + | Math.round(r / 255)); + + if (value === 2) { + ansi += 60; + } + + return ansi; + }; + + convert.hsv.ansi16 = function (args) { + // optimization here; we already know the value and don't need to get + // it converted for us. + return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]); + }; + + convert.rgb.ansi256 = function (args) { + var r = args[0]; + var g = args[1]; + var b = args[2]; + + // we use the extended greyscale palette here, with the exception of + // black and white. normal palette only has 4 greyscale shades. + if (r === g && g === b) { + if (r < 8) { + return 16; + } + + if (r > 248) { + return 231; + } + + return Math.round(((r - 8) / 247) * 24) + 232; + } + + var ansi = 16 + + (36 * Math.round(r / 255 * 5)) + + (6 * Math.round(g / 255 * 5)) + + Math.round(b / 255 * 5); + + return ansi; + }; + + convert.ansi16.rgb = function (args) { + var color = args % 10; + + // handle greyscale + if (color === 0 || color === 7) { + if (args > 50) { + color += 3.5; + } + + color = color / 10.5 * 255; + + return [color, color, color]; + } + + var mult = (~~(args > 50) + 1) * 0.5; + var r = ((color & 1) * mult) * 255; + var g = (((color >> 1) & 1) * mult) * 255; + var b = (((color >> 2) & 1) * mult) * 255; + + return [r, g, b]; + }; + + convert.ansi256.rgb = function (args) { + // handle greyscale + if (args >= 232) { + var c = (args - 232) * 10 + 8; + return [c, c, c]; + } + + args -= 16; + + var rem; + var r = Math.floor(args / 36) / 5 * 255; + var g = Math.floor((rem = args % 36) / 6) / 5 * 255; + var b = (rem % 6) / 5 * 255; + + return [r, g, b]; + }; + + convert.rgb.hex = function (args) { + var integer = ((Math.round(args[0]) & 0xFF) << 16) + + ((Math.round(args[1]) & 0xFF) << 8) + + (Math.round(args[2]) & 0xFF); + + var string = integer.toString(16).toUpperCase(); + return '000000'.substring(string.length) + string; + }; + + convert.hex.rgb = function (args) { + var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i); + if (!match) { + return [0, 0, 0]; + } + + var colorString = match[0]; + + if (match[0].length === 3) { + colorString = colorString.split('').map(function (char) { + return char + char; + }).join(''); + } + + var integer = parseInt(colorString, 16); + var r = (integer >> 16) & 0xFF; + var g = (integer >> 8) & 0xFF; + var b = integer & 0xFF; + + return [r, g, b]; + }; + + convert.rgb.hcg = function (rgb) { + var r = rgb[0] / 255; + var g = rgb[1] / 255; + var b = rgb[2] / 255; + var max = Math.max(Math.max(r, g), b); + var min = Math.min(Math.min(r, g), b); + var chroma = (max - min); + var grayscale; + var hue; + + if (chroma < 1) { + grayscale = min / (1 - chroma); + } else { + grayscale = 0; + } + + if (chroma <= 0) { + hue = 0; + } else + if (max === r) { + hue = ((g - b) / chroma) % 6; + } else + if (max === g) { + hue = 2 + (b - r) / chroma; + } else { + hue = 4 + (r - g) / chroma + 4; + } + + hue /= 6; + hue %= 1; + + return [hue * 360, chroma * 100, grayscale * 100]; + }; + + convert.hsl.hcg = function (hsl) { + var s = hsl[1] / 100; + var l = hsl[2] / 100; + var c = 1; + var f = 0; + + if (l < 0.5) { + c = 2.0 * s * l; + } else { + c = 2.0 * s * (1.0 - l); + } + + if (c < 1.0) { + f = (l - 0.5 * c) / (1.0 - c); + } + + return [hsl[0], c * 100, f * 100]; + }; + + convert.hsv.hcg = function (hsv) { + var s = hsv[1] / 100; + var v = hsv[2] / 100; + + var c = s * v; + var f = 0; + + if (c < 1.0) { + f = (v - c) / (1 - c); + } + + return [hsv[0], c * 100, f * 100]; + }; + + convert.hcg.rgb = function (hcg) { + var h = hcg[0] / 360; + var c = hcg[1] / 100; + var g = hcg[2] / 100; + + if (c === 0.0) { + return [g * 255, g * 255, g * 255]; + } + + var pure = [0, 0, 0]; + var hi = (h % 1) * 6; + var v = hi % 1; + var w = 1 - v; + var mg = 0; + + switch (Math.floor(hi)) { + case 0: + pure[0] = 1; pure[1] = v; pure[2] = 0; break; + case 1: + pure[0] = w; pure[1] = 1; pure[2] = 0; break; + case 2: + pure[0] = 0; pure[1] = 1; pure[2] = v; break; + case 3: + pure[0] = 0; pure[1] = w; pure[2] = 1; break; + case 4: + pure[0] = v; pure[1] = 0; pure[2] = 1; break; + default: + pure[0] = 1; pure[1] = 0; pure[2] = w; + } + + mg = (1.0 - c) * g; + + return [ + (c * pure[0] + mg) * 255, + (c * pure[1] + mg) * 255, + (c * pure[2] + mg) * 255 + ]; + }; + + convert.hcg.hsv = function (hcg) { + var c = hcg[1] / 100; + var g = hcg[2] / 100; + + var v = c + g * (1.0 - c); + var f = 0; + + if (v > 0.0) { + f = c / v; + } + + return [hcg[0], f * 100, v * 100]; + }; + + convert.hcg.hsl = function (hcg) { + var c = hcg[1] / 100; + var g = hcg[2] / 100; + + var l = g * (1.0 - c) + 0.5 * c; + var s = 0; + + if (l > 0.0 && l < 0.5) { + s = c / (2 * l); + } else + if (l >= 0.5 && l < 1.0) { + s = c / (2 * (1 - l)); + } + + return [hcg[0], s * 100, l * 100]; + }; + + convert.hcg.hwb = function (hcg) { + var c = hcg[1] / 100; + var g = hcg[2] / 100; + var v = c + g * (1.0 - c); + return [hcg[0], (v - c) * 100, (1 - v) * 100]; + }; + + convert.hwb.hcg = function (hwb) { + var w = hwb[1] / 100; + var b = hwb[2] / 100; + var v = 1 - b; + var c = v - w; + var g = 0; + + if (c < 1) { + g = (v - c) / (1 - c); + } + + return [hwb[0], c * 100, g * 100]; + }; + + convert.apple.rgb = function (apple) { + return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255]; + }; + + convert.rgb.apple = function (rgb) { + return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535]; + }; + + convert.gray.rgb = function (args) { + return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255]; + }; + + convert.gray.hsl = convert.gray.hsv = function (args) { + return [0, 0, args[0]]; + }; + + convert.gray.hwb = function (gray) { + return [0, 100, gray[0]]; + }; + + convert.gray.cmyk = function (gray) { + return [0, 0, 0, gray[0]]; + }; + + convert.gray.lab = function (gray) { + return [gray[0], 0, 0]; + }; + + convert.gray.hex = function (gray) { + var val = Math.round(gray[0] / 100 * 255) & 0xFF; + var integer = (val << 16) + (val << 8) + val; + + var string = integer.toString(16).toUpperCase(); + return '000000'.substring(string.length) + string; + }; + + convert.rgb.gray = function (rgb) { + var val = (rgb[0] + rgb[1] + rgb[2]) / 3; + return [val / 255 * 100]; + }; + }); + conversions.rgb; + conversions.hsl; + conversions.hsv; + conversions.hwb; + conversions.cmyk; + conversions.xyz; + conversions.lab; + conversions.lch; + conversions.hex; + conversions.keyword; + conversions.ansi16; + conversions.ansi256; + conversions.hcg; + conversions.apple; + conversions.gray; + + /* + this function routes a model to all other models. + + all functions that are routed have a property `.conversion` attached + to the returned synthetic function. This property is an array + of strings, each with the steps in between the 'from' and 'to' + color models (inclusive). + + conversions that are not possible simply are not included. + */ + + function buildGraph() { + var graph = {}; + // https://jsperf.com/object-keys-vs-for-in-with-closure/3 + var models = Object.keys(conversions); + + for (var len = models.length, i = 0; i < len; i++) { + graph[models[i]] = { + // http://jsperf.com/1-vs-infinity + // micro-opt, but this is simple. + distance: -1, + parent: null + }; + } + + return graph; + } + + // https://en.wikipedia.org/wiki/Breadth-first_search + function deriveBFS(fromModel) { + var graph = buildGraph(); + var queue = [fromModel]; // unshift -> queue -> pop + + graph[fromModel].distance = 0; + + while (queue.length) { + var current = queue.pop(); + var adjacents = Object.keys(conversions[current]); + + for (var len = adjacents.length, i = 0; i < len; i++) { + var adjacent = adjacents[i]; + var node = graph[adjacent]; + + if (node.distance === -1) { + node.distance = graph[current].distance + 1; + node.parent = current; + queue.unshift(adjacent); + } + } + } + + return graph; + } + + function link(from, to) { + return function (args) { + return to(from(args)); + }; + } + + function wrapConversion(toModel, graph) { + var path = [graph[toModel].parent, toModel]; + var fn = conversions[graph[toModel].parent][toModel]; + + var cur = graph[toModel].parent; + while (graph[cur].parent) { + path.unshift(graph[cur].parent); + fn = link(conversions[graph[cur].parent][cur], fn); + cur = graph[cur].parent; + } + + fn.conversion = path; + return fn; + } + + var route = function (fromModel) { + var graph = deriveBFS(fromModel); + var conversion = {}; + + var models = Object.keys(graph); + for (var len = models.length, i = 0; i < len; i++) { + var toModel = models[i]; + var node = graph[toModel]; + + if (node.parent === null) { + // no possible conversion, or this node is the source model. + continue; + } + + conversion[toModel] = wrapConversion(toModel, graph); + } + + return conversion; + }; + + var convert = {}; + + var models = Object.keys(conversions); + + function wrapRaw(fn) { + var wrappedFn = function (args) { + if (args === undefined || args === null) { + return args; + } + + if (arguments.length > 1) { + args = Array.prototype.slice.call(arguments); + } + + return fn(args); + }; + + // preserve .conversion property if there is one + if ('conversion' in fn) { + wrappedFn.conversion = fn.conversion; + } + + return wrappedFn; + } + + function wrapRounded(fn) { + var wrappedFn = function (args) { + if (args === undefined || args === null) { + return args; + } + + if (arguments.length > 1) { + args = Array.prototype.slice.call(arguments); + } + + var result = fn(args); + + // we're assuming the result is an array here. + // see notice in conversions.js; don't use box types + // in conversion functions. + if (typeof result === 'object') { + for (var len = result.length, i = 0; i < len; i++) { + result[i] = Math.round(result[i]); + } + } + + return result; + }; + + // preserve .conversion property if there is one + if ('conversion' in fn) { + wrappedFn.conversion = fn.conversion; + } + + return wrappedFn; + } + + models.forEach(function (fromModel) { + convert[fromModel] = {}; + + Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels}); + Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels}); + + var routes = route(fromModel); + var routeModels = Object.keys(routes); + + routeModels.forEach(function (toModel) { + var fn = routes[toModel]; + + convert[fromModel][toModel] = wrapRounded(fn); + convert[fromModel][toModel].raw = wrapRaw(fn); + }); + }); + + var colorConvert = convert; + + var colorName$1 = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] + }; + + /* MIT license */ + + + var colorString = { + getRgba: getRgba, + getHsla: getHsla, + getRgb: getRgb, + getHsl: getHsl, + getHwb: getHwb, + getAlpha: getAlpha, + + hexString: hexString, + rgbString: rgbString, + rgbaString: rgbaString, + percentString: percentString, + percentaString: percentaString, + hslString: hslString, + hslaString: hslaString, + hwbString: hwbString, + keyword: keyword + }; + + function getRgba(string) { + if (!string) { + return; + } + var abbr = /^#([a-fA-F0-9]{3,4})$/i, + hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i, + rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, + per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i, + keyword = /(\w+)/; + + var rgb = [0, 0, 0], + a = 1, + match = string.match(abbr), + hexAlpha = ""; + if (match) { + match = match[1]; + hexAlpha = match[3]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i] + match[i], 16); + } + if (hexAlpha) { + a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100; + } + } + else if (match = string.match(hex)) { + hexAlpha = match[2]; + match = match[1]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); + } + if (hexAlpha) { + a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100; + } + } + else if (match = string.match(rgba)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i + 1]); + } + a = parseFloat(match[4]); + } + else if (match = string.match(per)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); + } + a = parseFloat(match[4]); + } + else if (match = string.match(keyword)) { + if (match[1] == "transparent") { + return [0, 0, 0, 0]; + } + rgb = colorName$1[match[1]]; + if (!rgb) { + return; + } + } + + for (var i = 0; i < rgb.length; i++) { + rgb[i] = scale(rgb[i], 0, 255); + } + if (!a && a != 0) { + a = 1; + } + else { + a = scale(a, 0, 1); + } + rgb[3] = a; + return rgb; + } + + function getHsla(string) { + if (!string) { + return; + } + var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; + var match = string.match(hsl); + if (match) { + var alpha = parseFloat(match[4]); + var h = scale(parseInt(match[1]), 0, 360), + s = scale(parseFloat(match[2]), 0, 100), + l = scale(parseFloat(match[3]), 0, 100), + a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); + return [h, s, l, a]; + } + } + + function getHwb(string) { + if (!string) { + return; + } + var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; + var match = string.match(hwb); + if (match) { + var alpha = parseFloat(match[4]); + var h = scale(parseInt(match[1]), 0, 360), + w = scale(parseFloat(match[2]), 0, 100), + b = scale(parseFloat(match[3]), 0, 100), + a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); + return [h, w, b, a]; + } + } + + function getRgb(string) { + var rgba = getRgba(string); + return rgba && rgba.slice(0, 3); + } + + function getHsl(string) { + var hsla = getHsla(string); + return hsla && hsla.slice(0, 3); + } + + function getAlpha(string) { + var vals = getRgba(string); + if (vals) { + return vals[3]; + } + else if (vals = getHsla(string)) { + return vals[3]; + } + else if (vals = getHwb(string)) { + return vals[3]; + } + } + + // generators + function hexString(rgba, a) { + var a = (a !== undefined && rgba.length === 3) ? a : rgba[3]; + return "#" + hexDouble(rgba[0]) + + hexDouble(rgba[1]) + + hexDouble(rgba[2]) + + ( + (a >= 0 && a < 1) + ? hexDouble(Math.round(a * 255)) + : "" + ); + } + + function rgbString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return rgbaString(rgba, alpha); + } + return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; + } + + function rgbaString(rgba, alpha) { + if (alpha === undefined) { + alpha = (rgba[3] !== undefined ? rgba[3] : 1); + } + return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + + ", " + alpha + ")"; + } + + function percentString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return percentaString(rgba, alpha); + } + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + + return "rgb(" + r + "%, " + g + "%, " + b + "%)"; + } + + function percentaString(rgba, alpha) { + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; + } + + function hslString(hsla, alpha) { + if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { + return hslaString(hsla, alpha); + } + return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; + } + + function hslaString(hsla, alpha) { + if (alpha === undefined) { + alpha = (hsla[3] !== undefined ? hsla[3] : 1); + } + return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " + + alpha + ")"; + } + + // hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax + // (hwb have alpha optional & 1 is default value) + function hwbString(hwb, alpha) { + if (alpha === undefined) { + alpha = (hwb[3] !== undefined ? hwb[3] : 1); + } + return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" + + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; + } + + function keyword(rgb) { + return reverseNames[rgb.slice(0, 3)]; + } + + // helpers + function scale(num, min, max) { + return Math.min(Math.max(min, num), max); + } + + function hexDouble(num) { + var str = num.toString(16).toUpperCase(); + return (str.length < 2) ? "0" + str : str; + } + + + //create a list of reverse color names + var reverseNames = {}; + for (var name in colorName$1) { + reverseNames[colorName$1[name]] = name; + } + + /* MIT license */ + + + + var Color = function (obj) { + if (obj instanceof Color) { + return obj; + } + if (!(this instanceof Color)) { + return new Color(obj); + } + + this.valid = false; + this.values = { + rgb: [0, 0, 0], + hsl: [0, 0, 0], + hsv: [0, 0, 0], + hwb: [0, 0, 0], + cmyk: [0, 0, 0, 0], + alpha: 1 + }; + + // parse Color() argument + var vals; + if (typeof obj === 'string') { + vals = colorString.getRgba(obj); + if (vals) { + this.setValues('rgb', vals); + } else if (vals = colorString.getHsla(obj)) { + this.setValues('hsl', vals); + } else if (vals = colorString.getHwb(obj)) { + this.setValues('hwb', vals); + } + } else if (typeof obj === 'object') { + vals = obj; + if (vals.r !== undefined || vals.red !== undefined) { + this.setValues('rgb', vals); + } else if (vals.l !== undefined || vals.lightness !== undefined) { + this.setValues('hsl', vals); + } else if (vals.v !== undefined || vals.value !== undefined) { + this.setValues('hsv', vals); + } else if (vals.w !== undefined || vals.whiteness !== undefined) { + this.setValues('hwb', vals); + } else if (vals.c !== undefined || vals.cyan !== undefined) { + this.setValues('cmyk', vals); + } + } + }; + + Color.prototype = { + isValid: function () { + return this.valid; + }, + rgb: function () { + return this.setSpace('rgb', arguments); + }, + hsl: function () { + return this.setSpace('hsl', arguments); + }, + hsv: function () { + return this.setSpace('hsv', arguments); + }, + hwb: function () { + return this.setSpace('hwb', arguments); + }, + cmyk: function () { + return this.setSpace('cmyk', arguments); + }, + + rgbArray: function () { + return this.values.rgb; + }, + hslArray: function () { + return this.values.hsl; + }, + hsvArray: function () { + return this.values.hsv; + }, + hwbArray: function () { + var values = this.values; + if (values.alpha !== 1) { + return values.hwb.concat([values.alpha]); + } + return values.hwb; + }, + cmykArray: function () { + return this.values.cmyk; + }, + rgbaArray: function () { + var values = this.values; + return values.rgb.concat([values.alpha]); + }, + hslaArray: function () { + var values = this.values; + return values.hsl.concat([values.alpha]); + }, + alpha: function (val) { + if (val === undefined) { + return this.values.alpha; + } + this.setValues('alpha', val); + return this; + }, + + red: function (val) { + return this.setChannel('rgb', 0, val); + }, + green: function (val) { + return this.setChannel('rgb', 1, val); + }, + blue: function (val) { + return this.setChannel('rgb', 2, val); + }, + hue: function (val) { + if (val) { + val %= 360; + val = val < 0 ? 360 + val : val; + } + return this.setChannel('hsl', 0, val); + }, + saturation: function (val) { + return this.setChannel('hsl', 1, val); + }, + lightness: function (val) { + return this.setChannel('hsl', 2, val); + }, + saturationv: function (val) { + return this.setChannel('hsv', 1, val); + }, + whiteness: function (val) { + return this.setChannel('hwb', 1, val); + }, + blackness: function (val) { + return this.setChannel('hwb', 2, val); + }, + value: function (val) { + return this.setChannel('hsv', 2, val); + }, + cyan: function (val) { + return this.setChannel('cmyk', 0, val); + }, + magenta: function (val) { + return this.setChannel('cmyk', 1, val); + }, + yellow: function (val) { + return this.setChannel('cmyk', 2, val); + }, + black: function (val) { + return this.setChannel('cmyk', 3, val); + }, + + hexString: function () { + return colorString.hexString(this.values.rgb); + }, + rgbString: function () { + return colorString.rgbString(this.values.rgb, this.values.alpha); + }, + rgbaString: function () { + return colorString.rgbaString(this.values.rgb, this.values.alpha); + }, + percentString: function () { + return colorString.percentString(this.values.rgb, this.values.alpha); + }, + hslString: function () { + return colorString.hslString(this.values.hsl, this.values.alpha); + }, + hslaString: function () { + return colorString.hslaString(this.values.hsl, this.values.alpha); + }, + hwbString: function () { + return colorString.hwbString(this.values.hwb, this.values.alpha); + }, + keyword: function () { + return colorString.keyword(this.values.rgb, this.values.alpha); + }, + + rgbNumber: function () { + var rgb = this.values.rgb; + return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; + }, + + luminosity: function () { + // http://www.w3.org/TR/WCAG20/#relativeluminancedef + var rgb = this.values.rgb; + var lum = []; + for (var i = 0; i < rgb.length; i++) { + var chan = rgb[i] / 255; + lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); + } + return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; + }, + + contrast: function (color2) { + // http://www.w3.org/TR/WCAG20/#contrast-ratiodef + var lum1 = this.luminosity(); + var lum2 = color2.luminosity(); + if (lum1 > lum2) { + return (lum1 + 0.05) / (lum2 + 0.05); + } + return (lum2 + 0.05) / (lum1 + 0.05); + }, + + level: function (color2) { + var contrastRatio = this.contrast(color2); + if (contrastRatio >= 7.1) { + return 'AAA'; + } + + return (contrastRatio >= 4.5) ? 'AA' : ''; + }, + + dark: function () { + // YIQ equation from http://24ways.org/2010/calculating-color-contrast + var rgb = this.values.rgb; + var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; + return yiq < 128; + }, + + light: function () { + return !this.dark(); + }, + + negate: function () { + var rgb = []; + for (var i = 0; i < 3; i++) { + rgb[i] = 255 - this.values.rgb[i]; + } + this.setValues('rgb', rgb); + return this; + }, + + lighten: function (ratio) { + var hsl = this.values.hsl; + hsl[2] += hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + darken: function (ratio) { + var hsl = this.values.hsl; + hsl[2] -= hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + saturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] += hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + desaturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] -= hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + whiten: function (ratio) { + var hwb = this.values.hwb; + hwb[1] += hwb[1] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + blacken: function (ratio) { + var hwb = this.values.hwb; + hwb[2] += hwb[2] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + greyscale: function () { + var rgb = this.values.rgb; + // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale + var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; + this.setValues('rgb', [val, val, val]); + return this; + }, + + clearer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha - (alpha * ratio)); + return this; + }, + + opaquer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha + (alpha * ratio)); + return this; + }, + + rotate: function (degrees) { + var hsl = this.values.hsl; + var hue = (hsl[0] + degrees) % 360; + hsl[0] = hue < 0 ? 360 + hue : hue; + this.setValues('hsl', hsl); + return this; + }, + + /** + * Ported from sass implementation in C + * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 + */ + mix: function (mixinColor, weight) { + var color1 = this; + var color2 = mixinColor; + var p = weight === undefined ? 0.5 : weight; + + var w = 2 * p - 1; + var a = color1.alpha() - color2.alpha(); + + var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + var w2 = 1 - w1; + + return this + .rgb( + w1 * color1.red() + w2 * color2.red(), + w1 * color1.green() + w2 * color2.green(), + w1 * color1.blue() + w2 * color2.blue() + ) + .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); + }, + + toJSON: function () { + return this.rgb(); + }, + + clone: function () { + // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, + // making the final build way to big to embed in Chart.js. So let's do it manually, + // assuming that values to clone are 1 dimension arrays containing only numbers, + // except 'alpha' which is a number. + var result = new Color(); + var source = this.values; + var target = result.values; + var value, type; + + for (var prop in source) { + if (source.hasOwnProperty(prop)) { + value = source[prop]; + type = ({}).toString.call(value); + if (type === '[object Array]') { + target[prop] = value.slice(0); + } else if (type === '[object Number]') { + target[prop] = value; + } else { + console.error('unexpected color value:', value); + } + } + } + + return result; + } + }; + + Color.prototype.spaces = { + rgb: ['red', 'green', 'blue'], + hsl: ['hue', 'saturation', 'lightness'], + hsv: ['hue', 'saturation', 'value'], + hwb: ['hue', 'whiteness', 'blackness'], + cmyk: ['cyan', 'magenta', 'yellow', 'black'] + }; + + Color.prototype.maxes = { + rgb: [255, 255, 255], + hsl: [360, 100, 100], + hsv: [360, 100, 100], + hwb: [360, 100, 100], + cmyk: [100, 100, 100, 100] + }; + + Color.prototype.getValues = function (space) { + var values = this.values; + var vals = {}; + + for (var i = 0; i < space.length; i++) { + vals[space.charAt(i)] = values[space][i]; + } + + if (values.alpha !== 1) { + vals.a = values.alpha; + } + + // {r: 255, g: 255, b: 255, a: 0.4} + return vals; + }; + + Color.prototype.setValues = function (space, vals) { + var values = this.values; + var spaces = this.spaces; + var maxes = this.maxes; + var alpha = 1; + var i; + + this.valid = true; + + if (space === 'alpha') { + alpha = vals; + } else if (vals.length) { + // [10, 10, 10] + values[space] = vals.slice(0, space.length); + alpha = vals[space.length]; + } else if (vals[space.charAt(0)] !== undefined) { + // {r: 10, g: 10, b: 10} + for (i = 0; i < space.length; i++) { + values[space][i] = vals[space.charAt(i)]; + } + + alpha = vals.a; + } else if (vals[spaces[space][0]] !== undefined) { + // {red: 10, green: 10, blue: 10} + var chans = spaces[space]; + + for (i = 0; i < space.length; i++) { + values[space][i] = vals[chans[i]]; + } + + alpha = vals.alpha; + } + + values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); + + if (space === 'alpha') { + return false; + } + + var capped; + + // cap values of the space prior converting all values + for (i = 0; i < space.length; i++) { + capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); + values[space][i] = Math.round(capped); + } + + // convert to all the other color spaces + for (var sname in spaces) { + if (sname !== space) { + values[sname] = colorConvert[space][sname](values[space]); + } + } + + return true; + }; + + Color.prototype.setSpace = function (space, args) { + var vals = args[0]; + + if (vals === undefined) { + // color.rgb() + return this.getValues(space); + } + + // color.rgb(10, 10, 10) + if (typeof vals === 'number') { + vals = Array.prototype.slice.call(args); + } + + this.setValues(space, vals); + return this; + }; + + Color.prototype.setChannel = function (space, index, val) { + var svalues = this.values[space]; + if (val === undefined) { + // color.red() + return svalues[index]; + } else if (val === svalues[index]) { + // color.red(color.red()) + return this; + } + + // color.red(100) + svalues[index] = val; + this.setValues(space, svalues); + + return this; + }; + + if (typeof window !== 'undefined') { + window.Color = Color; + } + + var chartjsColor = Color; + + function isValidKey(key) { + return ['__proto__', 'prototype', 'constructor'].indexOf(key) === -1; + } + + /** + * @namespace Chart.helpers + */ + var helpers = { + /** + * An empty function that can be used, for example, for optional callback. + */ + noop: function() {}, + + /** + * Returns a unique id, sequentially generated from a global variable. + * @returns {number} + * @function + */ + uid: (function() { + var id = 0; + return function() { + return id++; + }; + }()), + + /** + * Returns true if `value` is neither null nor undefined, else returns false. + * @param {*} value - The value to test. + * @returns {boolean} + * @since 2.7.0 + */ + isNullOrUndef: function(value) { + return value === null || typeof value === 'undefined'; + }, + + /** + * Returns true if `value` is an array (including typed arrays), else returns false. + * @param {*} value - The value to test. + * @returns {boolean} + * @function + */ + isArray: function(value) { + if (Array.isArray && Array.isArray(value)) { + return true; + } + var type = Object.prototype.toString.call(value); + if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') { + return true; + } + return false; + }, + + /** + * Returns true if `value` is an object (excluding null), else returns false. + * @param {*} value - The value to test. + * @returns {boolean} + * @since 2.7.0 + */ + isObject: function(value) { + return value !== null && Object.prototype.toString.call(value) === '[object Object]'; + }, + + /** + * Returns true if `value` is a finite number, else returns false + * @param {*} value - The value to test. + * @returns {boolean} + */ + isFinite: function(value) { + return (typeof value === 'number' || value instanceof Number) && isFinite(value); + }, + + /** + * Returns `value` if defined, else returns `defaultValue`. + * @param {*} value - The value to return if defined. + * @param {*} defaultValue - The value to return if `value` is undefined. + * @returns {*} + */ + valueOrDefault: function(value, defaultValue) { + return typeof value === 'undefined' ? defaultValue : value; + }, + + /** + * Returns value at the given `index` in array if defined, else returns `defaultValue`. + * @param {Array} value - The array to lookup for value at `index`. + * @param {number} index - The index in `value` to lookup for value. + * @param {*} defaultValue - The value to return if `value[index]` is undefined. + * @returns {*} + */ + valueAtIndexOrDefault: function(value, index, defaultValue) { + return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); + }, + + /** + * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the + * value returned by `fn`. If `fn` is not a function, this method returns undefined. + * @param {function} fn - The function to call. + * @param {Array|undefined|null} args - The arguments with which `fn` should be called. + * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. + * @returns {*} + */ + callback: function(fn, args, thisArg) { + if (fn && typeof fn.call === 'function') { + return fn.apply(thisArg, args); + } + }, + + /** + * Note(SB) for performance sake, this method should only be used when loopable type + * is unknown or in none intensive code (not called often and small loopable). Else + * it's preferable to use a regular for() loop and save extra function calls. + * @param {object|Array} loopable - The object or array to be iterated. + * @param {function} fn - The function to call for each item. + * @param {object} [thisArg] - The value of `this` provided for the call to `fn`. + * @param {boolean} [reverse] - If true, iterates backward on the loopable. + */ + each: function(loopable, fn, thisArg, reverse) { + var i, len, keys; + if (helpers.isArray(loopable)) { + len = loopable.length; + if (reverse) { + for (i = len - 1; i >= 0; i--) { + fn.call(thisArg, loopable[i], i); + } + } else { + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[i], i); + } + } + } else if (helpers.isObject(loopable)) { + keys = Object.keys(loopable); + len = keys.length; + for (i = 0; i < len; i++) { + fn.call(thisArg, loopable[keys[i]], keys[i]); + } + } + }, + + /** + * Returns true if the `a0` and `a1` arrays have the same content, else returns false. + * @see https://stackoverflow.com/a/14853974 + * @param {Array} a0 - The array to compare + * @param {Array} a1 - The array to compare + * @returns {boolean} + */ + arrayEquals: function(a0, a1) { + var i, ilen, v0, v1; + + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + + for (i = 0, ilen = a0.length; i < ilen; ++i) { + v0 = a0[i]; + v1 = a1[i]; + + if (v0 instanceof Array && v1 instanceof Array) { + if (!helpers.arrayEquals(v0, v1)) { + return false; + } + } else if (v0 !== v1) { + // NOTE: two different object instances will never be equal: {x:20} != {x:20} + return false; + } + } + + return true; + }, + + /** + * Returns a deep copy of `source` without keeping references on objects and arrays. + * @param {*} source - The value to clone. + * @returns {*} + */ + clone: function(source) { + if (helpers.isArray(source)) { + return source.map(helpers.clone); + } + + if (helpers.isObject(source)) { + var target = Object.create(source); + var keys = Object.keys(source); + var klen = keys.length; + var k = 0; + + for (; k < klen; ++k) { + target[keys[k]] = helpers.clone(source[keys[k]]); + } + + return target; + } + + return source; + }, + + /** + * The default merger when Chart.helpers.merge is called without merger option. + * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. + * @private + */ + _merger: function(key, target, source, options) { + if (!isValidKey(key)) { + // We want to ensure we do not copy prototypes over + // as this can pollute global namespaces + return; + } + + var tval = target[key]; + var sval = source[key]; + + if (helpers.isObject(tval) && helpers.isObject(sval)) { + helpers.merge(tval, sval, options); + } else { + target[key] = helpers.clone(sval); + } + }, + + /** + * Merges source[key] in target[key] only if target[key] is undefined. + * @private + */ + _mergerIf: function(key, target, source) { + if (!isValidKey(key)) { + // We want to ensure we do not copy prototypes over + // as this can pollute global namespaces + return; + } + + var tval = target[key]; + var sval = source[key]; + + if (helpers.isObject(tval) && helpers.isObject(sval)) { + helpers.mergeIf(tval, sval); + } else if (!target.hasOwnProperty(key)) { + target[key] = helpers.clone(sval); + } + }, + + /** + * Recursively deep copies `source` properties into `target` with the given `options`. + * IMPORTANT: `target` is not cloned and will be updated with `source` properties. + * @param {object} target - The target object in which all sources are merged into. + * @param {object|object[]} source - Object(s) to merge into `target`. + * @param {object} [options] - Merging options: + * @param {function} [options.merger] - The merge method (key, target, source, options) + * @returns {object} The `target` object. + */ + merge: function(target, source, options) { + var sources = helpers.isArray(source) ? source : [source]; + var ilen = sources.length; + var merge, i, keys, klen, k; + + if (!helpers.isObject(target)) { + return target; + } + + options = options || {}; + merge = options.merger || helpers._merger; + + for (i = 0; i < ilen; ++i) { + source = sources[i]; + if (!helpers.isObject(source)) { + continue; + } + + keys = Object.keys(source); + for (k = 0, klen = keys.length; k < klen; ++k) { + merge(keys[k], target, source, options); + } + } + + return target; + }, + + /** + * Recursively deep copies `source` properties into `target` *only* if not defined in target. + * IMPORTANT: `target` is not cloned and will be updated with `source` properties. + * @param {object} target - The target object in which all sources are merged into. + * @param {object|object[]} source - Object(s) to merge into `target`. + * @returns {object} The `target` object. + */ + mergeIf: function(target, source) { + return helpers.merge(target, source, {merger: helpers._mergerIf}); + }, + + /** + * Applies the contents of two or more objects together into the first object. + * @param {object} target - The target object in which all objects are merged into. + * @param {object} arg1 - Object containing additional properties to merge in target. + * @param {object} argN - Additional objects containing properties to merge in target. + * @returns {object} The `target` object. + */ + extend: Object.assign || function(target) { + return helpers.merge(target, [].slice.call(arguments, 1), { + merger: function(key, dst, src) { + dst[key] = src[key]; + } + }); + }, + + /** + * Basic javascript inheritance based on the model created in Backbone.js + */ + inherits: function(extensions) { + var me = this; + var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { + return me.apply(this, arguments); + }; + + var Surrogate = function() { + this.constructor = ChartElement; + }; + + Surrogate.prototype = me.prototype; + ChartElement.prototype = new Surrogate(); + ChartElement.extend = helpers.inherits; + + if (extensions) { + helpers.extend(ChartElement.prototype, extensions); + } + + ChartElement.__super__ = me.prototype; + return ChartElement; + }, + + _deprecated: function(scope, value, previous, current) { + if (value !== undefined) { + console.warn(scope + ': "' + previous + + '" is deprecated. Please use "' + current + '" instead'); + } + } + }; + + var helpers_core = helpers; + + // DEPRECATIONS + + /** + * Provided for backward compatibility, use Chart.helpers.callback instead. + * @function Chart.helpers.callCallback + * @deprecated since version 2.6.0 + * @todo remove at version 3 + * @private + */ + helpers.callCallback = helpers.callback; + + /** + * Provided for backward compatibility, use Array.prototype.indexOf instead. + * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ + * @function Chart.helpers.indexOf + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ + helpers.indexOf = function(array, item, fromIndex) { + return Array.prototype.indexOf.call(array, item, fromIndex); + }; + + /** + * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. + * @function Chart.helpers.getValueOrDefault + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ + helpers.getValueOrDefault = helpers.valueOrDefault; + + /** + * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. + * @function Chart.helpers.getValueAtIndexOrDefault + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ + helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; + + /** + * Easing functions adapted from Robert Penner's easing equations. + * @namespace Chart.helpers.easingEffects + * @see http://www.robertpenner.com/easing/ + */ + var effects = { + linear: function(t) { + return t; + }, + + easeInQuad: function(t) { + return t * t; + }, + + easeOutQuad: function(t) { + return -t * (t - 2); + }, + + easeInOutQuad: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t; + } + return -0.5 * ((--t) * (t - 2) - 1); + }, + + easeInCubic: function(t) { + return t * t * t; + }, + + easeOutCubic: function(t) { + return (t = t - 1) * t * t + 1; + }, + + easeInOutCubic: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t * t; + } + return 0.5 * ((t -= 2) * t * t + 2); + }, + + easeInQuart: function(t) { + return t * t * t * t; + }, + + easeOutQuart: function(t) { + return -((t = t - 1) * t * t * t - 1); + }, + + easeInOutQuart: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t * t * t; + } + return -0.5 * ((t -= 2) * t * t * t - 2); + }, + + easeInQuint: function(t) { + return t * t * t * t * t; + }, + + easeOutQuint: function(t) { + return (t = t - 1) * t * t * t * t + 1; + }, + + easeInOutQuint: function(t) { + if ((t /= 0.5) < 1) { + return 0.5 * t * t * t * t * t; + } + return 0.5 * ((t -= 2) * t * t * t * t + 2); + }, + + easeInSine: function(t) { + return -Math.cos(t * (Math.PI / 2)) + 1; + }, + + easeOutSine: function(t) { + return Math.sin(t * (Math.PI / 2)); + }, + + easeInOutSine: function(t) { + return -0.5 * (Math.cos(Math.PI * t) - 1); + }, + + easeInExpo: function(t) { + return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); + }, + + easeOutExpo: function(t) { + return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; + }, + + easeInOutExpo: function(t) { + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if ((t /= 0.5) < 1) { + return 0.5 * Math.pow(2, 10 * (t - 1)); + } + return 0.5 * (-Math.pow(2, -10 * --t) + 2); + }, + + easeInCirc: function(t) { + if (t >= 1) { + return t; + } + return -(Math.sqrt(1 - t * t) - 1); + }, + + easeOutCirc: function(t) { + return Math.sqrt(1 - (t = t - 1) * t); + }, + + easeInOutCirc: function(t) { + if ((t /= 0.5) < 1) { + return -0.5 * (Math.sqrt(1 - t * t) - 1); + } + return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1); + }, + + easeInElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if (!p) { + p = 0.3; + } + { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); + }, + + easeOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if (!p) { + p = 0.3; + } + { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1; + }, + + easeInOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 0.5) === 2) { + return 1; + } + if (!p) { + p = 0.45; + } + { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + if (t < 1) { + return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p)); + } + return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; + }, + easeInBack: function(t) { + var s = 1.70158; + return t * t * ((s + 1) * t - s); + }, + + easeOutBack: function(t) { + var s = 1.70158; + return (t = t - 1) * t * ((s + 1) * t + s) + 1; + }, + + easeInOutBack: function(t) { + var s = 1.70158; + if ((t /= 0.5) < 1) { + return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); + } + return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); + }, + + easeInBounce: function(t) { + return 1 - effects.easeOutBounce(1 - t); + }, + + easeOutBounce: function(t) { + if (t < (1 / 2.75)) { + return 7.5625 * t * t; + } + if (t < (2 / 2.75)) { + return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; + } + if (t < (2.5 / 2.75)) { + return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; + } + return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; + }, + + easeInOutBounce: function(t) { + if (t < 0.5) { + return effects.easeInBounce(t * 2) * 0.5; + } + return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; + } + }; + + var helpers_easing = { + effects: effects + }; + + // DEPRECATIONS + + /** + * Provided for backward compatibility, use Chart.helpers.easing.effects instead. + * @function Chart.helpers.easingEffects + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ + helpers_core.easingEffects = effects; + + var PI = Math.PI; + var RAD_PER_DEG = PI / 180; + var DOUBLE_PI = PI * 2; + var HALF_PI = PI / 2; + var QUARTER_PI = PI / 4; + var TWO_THIRDS_PI = PI * 2 / 3; + + /** + * @namespace Chart.helpers.canvas + */ + var exports$1 = { + /** + * Clears the entire canvas associated to the given `chart`. + * @param {Chart} chart - The chart for which to clear the canvas. + */ + clear: function(chart) { + chart.ctx.clearRect(0, 0, chart.width, chart.height); + }, + + /** + * Creates a "path" for a rectangle with rounded corners at position (x, y) with a + * given size (width, height) and the same `radius` for all corners. + * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. + * @param {number} x - The x axis of the coordinate for the rectangle starting point. + * @param {number} y - The y axis of the coordinate for the rectangle starting point. + * @param {number} width - The rectangle's width. + * @param {number} height - The rectangle's height. + * @param {number} radius - The rounded amount (in pixels) for the four corners. + * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? + */ + roundedRect: function(ctx, x, y, width, height, radius) { + if (radius) { + var r = Math.min(radius, height / 2, width / 2); + var left = x + r; + var top = y + r; + var right = x + width - r; + var bottom = y + height - r; + + ctx.moveTo(x, top); + if (left < right && top < bottom) { + ctx.arc(left, top, r, -PI, -HALF_PI); + ctx.arc(right, top, r, -HALF_PI, 0); + ctx.arc(right, bottom, r, 0, HALF_PI); + ctx.arc(left, bottom, r, HALF_PI, PI); + } else if (left < right) { + ctx.moveTo(left, y); + ctx.arc(right, top, r, -HALF_PI, HALF_PI); + ctx.arc(left, top, r, HALF_PI, PI + HALF_PI); + } else if (top < bottom) { + ctx.arc(left, top, r, -PI, 0); + ctx.arc(left, bottom, r, 0, PI); + } else { + ctx.arc(left, top, r, -PI, PI); + } + ctx.closePath(); + ctx.moveTo(x, y); + } else { + ctx.rect(x, y, width, height); + } + }, + + drawPoint: function(ctx, style, radius, x, y, rotation) { + var type, xOffset, yOffset, size, cornerRadius; + var rad = (rotation || 0) * RAD_PER_DEG; + + if (style && typeof style === 'object') { + type = style.toString(); + if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { + ctx.save(); + ctx.translate(x, y); + ctx.rotate(rad); + ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height); + ctx.restore(); + return; + } + } + + if (isNaN(radius) || radius <= 0) { + return; + } + + ctx.beginPath(); + + switch (style) { + // Default includes circle + default: + ctx.arc(x, y, radius, 0, DOUBLE_PI); + ctx.closePath(); + break; + case 'triangle': + ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius); + ctx.closePath(); + break; + case 'rectRounded': + // NOTE: the rounded rect implementation changed to use `arc` instead of + // `quadraticCurveTo` since it generates better results when rect is + // almost a circle. 0.516 (instead of 0.5) produces results with visually + // closer proportion to the previous impl and it is inscribed in the + // circle with `radius`. For more details, see the following PRs: + // https://github.com/chartjs/Chart.js/issues/5597 + // https://github.com/chartjs/Chart.js/issues/5858 + cornerRadius = radius * 0.516; + size = radius - cornerRadius; + xOffset = Math.cos(rad + QUARTER_PI) * size; + yOffset = Math.sin(rad + QUARTER_PI) * size; + ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); + ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad); + ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI); + ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); + ctx.closePath(); + break; + case 'rect': + if (!rotation) { + size = Math.SQRT1_2 * radius; + ctx.rect(x - size, y - size, 2 * size, 2 * size); + break; + } + rad += QUARTER_PI; + /* falls through */ + case 'rectRot': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + yOffset, y - xOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.lineTo(x - yOffset, y + xOffset); + ctx.closePath(); + break; + case 'crossRot': + rad += QUARTER_PI; + /* falls through */ + case 'cross': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x + yOffset, y - xOffset); + ctx.lineTo(x - yOffset, y + xOffset); + break; + case 'star': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x + yOffset, y - xOffset); + ctx.lineTo(x - yOffset, y + xOffset); + rad += QUARTER_PI; + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x + yOffset, y - xOffset); + ctx.lineTo(x - yOffset, y + xOffset); + break; + case 'line': + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + break; + case 'dash': + ctx.moveTo(x, y); + ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius); + break; + } + + ctx.fill(); + ctx.stroke(); + }, + + /** + * Returns true if the point is inside the rectangle + * @param {object} point - The point to test + * @param {object} area - The rectangle + * @returns {boolean} + * @private + */ + _isPointInArea: function(point, area) { + var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error. + + return point.x > area.left - epsilon && point.x < area.right + epsilon && + point.y > area.top - epsilon && point.y < area.bottom + epsilon; + }, + + clipArea: function(ctx, area) { + ctx.save(); + ctx.beginPath(); + ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); + ctx.clip(); + }, + + unclipArea: function(ctx) { + ctx.restore(); + }, + + lineTo: function(ctx, previous, target, flip) { + var stepped = target.steppedLine; + if (stepped) { + if (stepped === 'middle') { + var midpoint = (previous.x + target.x) / 2.0; + ctx.lineTo(midpoint, flip ? target.y : previous.y); + ctx.lineTo(midpoint, flip ? previous.y : target.y); + } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) { + ctx.lineTo(previous.x, target.y); + } else { + ctx.lineTo(target.x, previous.y); + } + ctx.lineTo(target.x, target.y); + return; + } + + if (!target.tension) { + ctx.lineTo(target.x, target.y); + return; + } + + ctx.bezierCurveTo( + flip ? previous.controlPointPreviousX : previous.controlPointNextX, + flip ? previous.controlPointPreviousY : previous.controlPointNextY, + flip ? target.controlPointNextX : target.controlPointPreviousX, + flip ? target.controlPointNextY : target.controlPointPreviousY, + target.x, + target.y); + } + }; + + var helpers_canvas = exports$1; + + // DEPRECATIONS + + /** + * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. + * @namespace Chart.helpers.clear + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ + helpers_core.clear = exports$1.clear; + + /** + * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. + * @namespace Chart.helpers.drawRoundedRectangle + * @deprecated since version 2.7.0 + * @todo remove at version 3 + * @private + */ + helpers_core.drawRoundedRectangle = function(ctx) { + ctx.beginPath(); + exports$1.roundedRect.apply(exports$1, arguments); + }; + + var defaults = { + /** + * @private + */ + _set: function(scope, values) { + return helpers_core.merge(this[scope] || (this[scope] = {}), values); + } + }; + + // TODO(v3): remove 'global' from namespace. all default are global and + // there's inconsistency around which options are under 'global' + defaults._set('global', { + defaultColor: 'rgba(0,0,0,0.1)', + defaultFontColor: '#666', + defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + defaultFontSize: 12, + defaultFontStyle: 'normal', + defaultLineHeight: 1.2, + showLines: true + }); + + var core_defaults = defaults; + + var valueOrDefault = helpers_core.valueOrDefault; + + /** + * Converts the given font object into a CSS font string. + * @param {object} font - A font object. + * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font + * @private + */ + function toFontString(font) { + if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) { + return null; + } + + return (font.style ? font.style + ' ' : '') + + (font.weight ? font.weight + ' ' : '') + + font.size + 'px ' + + font.family; + } + + /** + * @alias Chart.helpers.options + * @namespace + */ + var helpers_options = { + /** + * Converts the given line height `value` in pixels for a specific font `size`. + * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). + * @param {number} size - The font size (in pixels) used to resolve relative `value`. + * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid). + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height + * @since 2.7.0 + */ + toLineHeight: function(value, size) { + var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); + if (!matches || matches[1] === 'normal') { + return size * 1.2; + } + + value = +matches[2]; + + switch (matches[3]) { + case 'px': + return value; + case '%': + value /= 100; + break; + } + + return size * value; + }, + + /** + * Converts the given value into a padding object with pre-computed width/height. + * @param {number|object} value - If a number, set the value to all TRBL component, + * else, if and object, use defined properties and sets undefined ones to 0. + * @returns {object} The padding values (top, right, bottom, left, width, height) + * @since 2.7.0 + */ + toPadding: function(value) { + var t, r, b, l; + + if (helpers_core.isObject(value)) { + t = +value.top || 0; + r = +value.right || 0; + b = +value.bottom || 0; + l = +value.left || 0; + } else { + t = r = b = l = +value || 0; + } + + return { + top: t, + right: r, + bottom: b, + left: l, + height: t + b, + width: l + r + }; + }, + + /** + * Parses font options and returns the font object. + * @param {object} options - A object that contains font options to be parsed. + * @return {object} The font object. + * @todo Support font.* options and renamed to toFont(). + * @private + */ + _parseFont: function(options) { + var globalDefaults = core_defaults.global; + var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); + var font = { + family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily), + lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size), + size: size, + style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle), + weight: null, + string: '' + }; + + font.string = toFontString(font); + return font; + }, + + /** + * Evaluates the given `inputs` sequentially and returns the first defined value. + * @param {Array} inputs - An array of values, falling back to the last value. + * @param {object} [context] - If defined and the current value is a function, the value + * is called with `context` as first argument and the result becomes the new input. + * @param {number} [index] - If defined and the current value is an array, the value + * at `index` become the new input. + * @param {object} [info] - object to return information about resolution in + * @param {boolean} [info.cacheable] - Will be set to `false` if option is not cacheable. + * @since 2.7.0 + */ + resolve: function(inputs, context, index, info) { + var cacheable = true; + var i, ilen, value; + + for (i = 0, ilen = inputs.length; i < ilen; ++i) { + value = inputs[i]; + if (value === undefined) { + continue; + } + if (context !== undefined && typeof value === 'function') { + value = value(context); + cacheable = false; + } + if (index !== undefined && helpers_core.isArray(value)) { + value = value[index]; + cacheable = false; + } + if (value !== undefined) { + if (info && !cacheable) { + info.cacheable = false; + } + return value; + } + } + } + }; + + /** + * @alias Chart.helpers.math + * @namespace + */ + var exports$2 = { + /** + * Returns an array of factors sorted from 1 to sqrt(value) + * @private + */ + _factorize: function(value) { + var result = []; + var sqrt = Math.sqrt(value); + var i; + + for (i = 1; i < sqrt; i++) { + if (value % i === 0) { + result.push(i); + result.push(value / i); + } + } + if (sqrt === (sqrt | 0)) { // if value is a square number + result.push(sqrt); + } + + result.sort(function(a, b) { + return a - b; + }).pop(); + return result; + }, + + log10: Math.log10 || function(x) { + var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. + // Check for whole powers of 10, + // which due to floating point rounding error should be corrected. + var powerOf10 = Math.round(exponent); + var isPowerOf10 = x === Math.pow(10, powerOf10); + + return isPowerOf10 ? powerOf10 : exponent; + } + }; + + var helpers_math = exports$2; + + // DEPRECATIONS + + /** + * Provided for backward compatibility, use Chart.helpers.math.log10 instead. + * @namespace Chart.helpers.log10 + * @deprecated since version 2.9.0 + * @todo remove at version 3 + * @private + */ + helpers_core.log10 = exports$2.log10; + + var getRtlAdapter = function(rectX, width) { + return { + x: function(x) { + return rectX + rectX + width - x; + }, + setWidth: function(w) { + width = w; + }, + textAlign: function(align) { + if (align === 'center') { + return align; + } + return align === 'right' ? 'left' : 'right'; + }, + xPlus: function(x, value) { + return x - value; + }, + leftForLtr: function(x, itemWidth) { + return x - itemWidth; + }, + }; + }; + + var getLtrAdapter = function() { + return { + x: function(x) { + return x; + }, + setWidth: function(w) { // eslint-disable-line no-unused-vars + }, + textAlign: function(align) { + return align; + }, + xPlus: function(x, value) { + return x + value; + }, + leftForLtr: function(x, _itemWidth) { // eslint-disable-line no-unused-vars + return x; + }, + }; + }; + + var getAdapter = function(rtl, rectX, width) { + return rtl ? getRtlAdapter(rectX, width) : getLtrAdapter(); + }; + + var overrideTextDirection = function(ctx, direction) { + var style, original; + if (direction === 'ltr' || direction === 'rtl') { + style = ctx.canvas.style; + original = [ + style.getPropertyValue('direction'), + style.getPropertyPriority('direction'), + ]; + + style.setProperty('direction', direction, 'important'); + ctx.prevTextDirection = original; + } + }; + + var restoreTextDirection = function(ctx) { + var original = ctx.prevTextDirection; + if (original !== undefined) { + delete ctx.prevTextDirection; + ctx.canvas.style.setProperty('direction', original[0], original[1]); + } + }; + + var helpers_rtl = { + getRtlAdapter: getAdapter, + overrideTextDirection: overrideTextDirection, + restoreTextDirection: restoreTextDirection, + }; + + var helpers$1 = helpers_core; + var easing = helpers_easing; + var canvas = helpers_canvas; + var options = helpers_options; + var math = helpers_math; + var rtl = helpers_rtl; + helpers$1.easing = easing; + helpers$1.canvas = canvas; + helpers$1.options = options; + helpers$1.math = math; + helpers$1.rtl = rtl; + + function interpolate(start, view, model, ease) { + var keys = Object.keys(model); + var i, ilen, key, actual, origin, target, type, c0, c1; + + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + + target = model[key]; + + // if a value is added to the model after pivot() has been called, the view + // doesn't contain it, so let's initialize the view to the target value. + if (!view.hasOwnProperty(key)) { + view[key] = target; + } + + actual = view[key]; + + if (actual === target || key[0] === '_') { + continue; + } + + if (!start.hasOwnProperty(key)) { + start[key] = actual; + } + + origin = start[key]; + + type = typeof target; + + if (type === typeof origin) { + if (type === 'string') { + c0 = chartjsColor(origin); + if (c0.valid) { + c1 = chartjsColor(target); + if (c1.valid) { + view[key] = c1.mix(c0, ease).rgbString(); + continue; + } + } + } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) { + view[key] = origin + (target - origin) * ease; + continue; + } + } + + view[key] = target; + } + } + + var Element = function(configuration) { + helpers$1.extend(this, configuration); + this.initialize.apply(this, arguments); + }; + + helpers$1.extend(Element.prototype, { + _type: undefined, + + initialize: function() { + this.hidden = false; + }, + + pivot: function() { + var me = this; + if (!me._view) { + me._view = helpers$1.extend({}, me._model); + } + me._start = {}; + return me; + }, + + transition: function(ease) { + var me = this; + var model = me._model; + var start = me._start; + var view = me._view; + + // No animation -> No Transition + if (!model || ease === 1) { + me._view = helpers$1.extend({}, model); + me._start = null; + return me; + } + + if (!view) { + view = me._view = {}; + } + + if (!start) { + start = me._start = {}; + } + + interpolate(start, view, model, ease); + + return me; + }, + + tooltipPosition: function() { + return { + x: this._model.x, + y: this._model.y + }; + }, + + hasValue: function() { + return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y); + } + }); + + Element.extend = helpers$1.inherits; + + var core_element = Element; + + var exports$3 = core_element.extend({ + chart: null, // the animation associated chart instance + currentStep: 0, // the current animation step + numSteps: 60, // default number of steps + easing: '', // the easing to use for this animation + render: null, // render function used by the animation service + + onAnimationProgress: null, // user specified callback to fire on each step of the animation + onAnimationComplete: null, // user specified callback to fire when the animation finishes + }); + + var core_animation = exports$3; + + // DEPRECATIONS + + /** + * Provided for backward compatibility, use Chart.Animation instead + * @prop Chart.Animation#animationObject + * @deprecated since version 2.6.0 + * @todo remove at version 3 + */ + Object.defineProperty(exports$3.prototype, 'animationObject', { + get: function() { + return this; + } + }); + + /** + * Provided for backward compatibility, use Chart.Animation#chart instead + * @prop Chart.Animation#chartInstance + * @deprecated since version 2.6.0 + * @todo remove at version 3 + */ + Object.defineProperty(exports$3.prototype, 'chartInstance', { + get: function() { + return this.chart; + }, + set: function(value) { + this.chart = value; + } + }); + + core_defaults._set('global', { + animation: { + duration: 1000, + easing: 'easeOutQuart', + onProgress: helpers$1.noop, + onComplete: helpers$1.noop + } + }); + + var core_animations = { + animations: [], + request: null, + + /** + * @param {Chart} chart - The chart to animate. + * @param {Chart.Animation} animation - The animation that we will animate. + * @param {number} duration - The animation duration in ms. + * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions + */ + addAnimation: function(chart, animation, duration, lazy) { + var animations = this.animations; + var i, ilen; + + animation.chart = chart; + animation.startTime = Date.now(); + animation.duration = duration; + + if (!lazy) { + chart.animating = true; + } + + for (i = 0, ilen = animations.length; i < ilen; ++i) { + if (animations[i].chart === chart) { + animations[i] = animation; + return; + } + } + + animations.push(animation); + + // If there are no animations queued, manually kickstart a digest, for lack of a better word + if (animations.length === 1) { + this.requestAnimationFrame(); + } + }, + + cancelAnimation: function(chart) { + var index = helpers$1.findIndex(this.animations, function(animation) { + return animation.chart === chart; + }); + + if (index !== -1) { + this.animations.splice(index, 1); + chart.animating = false; + } + }, + + requestAnimationFrame: function() { + var me = this; + if (me.request === null) { + // Skip animation frame requests until the active one is executed. + // This can happen when processing mouse events, e.g. 'mousemove' + // and 'mouseout' events will trigger multiple renders. + me.request = helpers$1.requestAnimFrame.call(window, function() { + me.request = null; + me.startDigest(); + }); + } + }, + + /** + * @private + */ + startDigest: function() { + var me = this; + + me.advance(); + + // Do we have more stuff to animate? + if (me.animations.length > 0) { + me.requestAnimationFrame(); + } + }, + + /** + * @private + */ + advance: function() { + var animations = this.animations; + var animation, chart, numSteps, nextStep; + var i = 0; + + // 1 animation per chart, so we are looping charts here + while (i < animations.length) { + animation = animations[i]; + chart = animation.chart; + numSteps = animation.numSteps; + + // Make sure that currentStep starts at 1 + // https://github.com/chartjs/Chart.js/issues/6104 + nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1; + animation.currentStep = Math.min(nextStep, numSteps); + + helpers$1.callback(animation.render, [chart, animation], chart); + helpers$1.callback(animation.onAnimationProgress, [animation], chart); + + if (animation.currentStep >= numSteps) { + helpers$1.callback(animation.onAnimationComplete, [animation], chart); + chart.animating = false; + animations.splice(i, 1); + } else { + ++i; + } + } + } + }; + + var resolve = helpers$1.options.resolve; + + var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; + + /** + * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', + * 'unshift') and notify the listener AFTER the array has been altered. Listeners are + * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. + */ + function listenArrayEvents(array, listener) { + if (array._chartjs) { + array._chartjs.listeners.push(listener); + return; + } + + Object.defineProperty(array, '_chartjs', { + configurable: true, + enumerable: false, + value: { + listeners: [listener] + } + }); + + arrayEvents.forEach(function(key) { + var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); + var base = array[key]; + + Object.defineProperty(array, key, { + configurable: true, + enumerable: false, + value: function() { + var args = Array.prototype.slice.call(arguments); + var res = base.apply(this, args); + + helpers$1.each(array._chartjs.listeners, function(object) { + if (typeof object[method] === 'function') { + object[method].apply(object, args); + } + }); + + return res; + } + }); + }); + } + + /** + * Removes the given array event listener and cleanup extra attached properties (such as + * the _chartjs stub and overridden methods) if array doesn't have any more listeners. + */ + function unlistenArrayEvents(array, listener) { + var stub = array._chartjs; + if (!stub) { + return; + } + + var listeners = stub.listeners; + var index = listeners.indexOf(listener); + if (index !== -1) { + listeners.splice(index, 1); + } + + if (listeners.length > 0) { + return; + } + + arrayEvents.forEach(function(key) { + delete array[key]; + }); + + delete array._chartjs; + } + + // Base class for all dataset controllers (line, bar, etc) + var DatasetController = function(chart, datasetIndex) { + this.initialize(chart, datasetIndex); + }; + + helpers$1.extend(DatasetController.prototype, { + + /** + * Element type used to generate a meta dataset (e.g. Chart.element.Line). + * @type {Chart.core.element} + */ + datasetElementType: null, + + /** + * Element type used to generate a meta data (e.g. Chart.element.Point). + * @type {Chart.core.element} + */ + dataElementType: null, + + /** + * Dataset element option keys to be resolved in _resolveDatasetElementOptions. + * A derived controller may override this to resolve controller-specific options. + * The keys defined here are for backward compatibility for legend styles. + * @private + */ + _datasetElementOptions: [ + 'backgroundColor', + 'borderCapStyle', + 'borderColor', + 'borderDash', + 'borderDashOffset', + 'borderJoinStyle', + 'borderWidth' + ], + + /** + * Data element option keys to be resolved in _resolveDataElementOptions. + * A derived controller may override this to resolve controller-specific options. + * The keys defined here are for backward compatibility for legend styles. + * @private + */ + _dataElementOptions: [ + 'backgroundColor', + 'borderColor', + 'borderWidth', + 'pointStyle' + ], + + initialize: function(chart, datasetIndex) { + var me = this; + me.chart = chart; + me.index = datasetIndex; + me.linkScales(); + me.addElements(); + me._type = me.getMeta().type; + }, + + updateIndex: function(datasetIndex) { + this.index = datasetIndex; + }, + + linkScales: function() { + var me = this; + var meta = me.getMeta(); + var chart = me.chart; + var scales = chart.scales; + var dataset = me.getDataset(); + var scalesOpts = chart.options.scales; + + if (meta.xAxisID === null || !(meta.xAxisID in scales) || dataset.xAxisID) { + meta.xAxisID = dataset.xAxisID || scalesOpts.xAxes[0].id; + } + if (meta.yAxisID === null || !(meta.yAxisID in scales) || dataset.yAxisID) { + meta.yAxisID = dataset.yAxisID || scalesOpts.yAxes[0].id; + } + }, + + getDataset: function() { + return this.chart.data.datasets[this.index]; + }, + + getMeta: function() { + return this.chart.getDatasetMeta(this.index); + }, + + getScaleForId: function(scaleID) { + return this.chart.scales[scaleID]; + }, + + /** + * @private + */ + _getValueScaleId: function() { + return this.getMeta().yAxisID; + }, + + /** + * @private + */ + _getIndexScaleId: function() { + return this.getMeta().xAxisID; + }, + + /** + * @private + */ + _getValueScale: function() { + return this.getScaleForId(this._getValueScaleId()); + }, + + /** + * @private + */ + _getIndexScale: function() { + return this.getScaleForId(this._getIndexScaleId()); + }, + + reset: function() { + this._update(true); + }, + + /** + * @private + */ + destroy: function() { + if (this._data) { + unlistenArrayEvents(this._data, this); + } + }, + + createMetaDataset: function() { + var me = this; + var type = me.datasetElementType; + return type && new type({ + _chart: me.chart, + _datasetIndex: me.index + }); + }, + + createMetaData: function(index) { + var me = this; + var type = me.dataElementType; + return type && new type({ + _chart: me.chart, + _datasetIndex: me.index, + _index: index + }); + }, + + addElements: function() { + var me = this; + var meta = me.getMeta(); + var data = me.getDataset().data || []; + var metaData = meta.data; + var i, ilen; + + for (i = 0, ilen = data.length; i < ilen; ++i) { + metaData[i] = metaData[i] || me.createMetaData(i); + } + + meta.dataset = meta.dataset || me.createMetaDataset(); + }, + + addElementAndReset: function(index) { + var element = this.createMetaData(index); + this.getMeta().data.splice(index, 0, element); + this.updateElement(element, index, true); + }, + + buildOrUpdateElements: function() { + var me = this; + var dataset = me.getDataset(); + var data = dataset.data || (dataset.data = []); + + // In order to correctly handle data addition/deletion animation (an thus simulate + // real-time charts), we need to monitor these data modifications and synchronize + // the internal meta data accordingly. + if (me._data !== data) { + if (me._data) { + // This case happens when the user replaced the data array instance. + unlistenArrayEvents(me._data, me); + } + + if (data && Object.isExtensible(data)) { + listenArrayEvents(data, me); + } + me._data = data; + } + + // Re-sync meta data in case the user replaced the data array or if we missed + // any updates and so make sure that we handle number of datapoints changing. + me.resyncElements(); + }, + + /** + * Returns the merged user-supplied and default dataset-level options + * @private + */ + _configure: function() { + var me = this; + me._config = helpers$1.merge(Object.create(null), [ + me.chart.options.datasets[me._type], + me.getDataset(), + ], { + merger: function(key, target, source) { + if (key !== '_meta' && key !== 'data') { + helpers$1._merger(key, target, source); + } + } + }); + }, + + _update: function(reset) { + var me = this; + me._configure(); + me._cachedDataOpts = null; + me.update(reset); + }, + + update: helpers$1.noop, + + transition: function(easingValue) { + var meta = this.getMeta(); + var elements = meta.data || []; + var ilen = elements.length; + var i = 0; + + for (; i < ilen; ++i) { + elements[i].transition(easingValue); + } + + if (meta.dataset) { + meta.dataset.transition(easingValue); + } + }, + + draw: function() { + var meta = this.getMeta(); + var elements = meta.data || []; + var ilen = elements.length; + var i = 0; + + if (meta.dataset) { + meta.dataset.draw(); + } + + for (; i < ilen; ++i) { + elements[i].draw(); + } + }, + + /** + * Returns a set of predefined style properties that should be used to represent the dataset + * or the data if the index is specified + * @param {number} index - data index + * @return {IStyleInterface} style object + */ + getStyle: function(index) { + var me = this; + var meta = me.getMeta(); + var dataset = meta.dataset; + var style; + + me._configure(); + if (dataset && index === undefined) { + style = me._resolveDatasetElementOptions(dataset || {}); + } else { + index = index || 0; + style = me._resolveDataElementOptions(meta.data[index] || {}, index); + } + + if (style.fill === false || style.fill === null) { + style.backgroundColor = style.borderColor; + } + + return style; + }, + + /** + * @private + */ + _resolveDatasetElementOptions: function(element, hover) { + var me = this; + var chart = me.chart; + var datasetOpts = me._config; + var custom = element.custom || {}; + var options = chart.options.elements[me.datasetElementType.prototype._type] || {}; + var elementOptions = me._datasetElementOptions; + var values = {}; + var i, ilen, key, readKey; + + // Scriptable options + var context = { + chart: chart, + dataset: me.getDataset(), + datasetIndex: me.index, + hover: hover + }; + + for (i = 0, ilen = elementOptions.length; i < ilen; ++i) { + key = elementOptions[i]; + readKey = hover ? 'hover' + key.charAt(0).toUpperCase() + key.slice(1) : key; + values[key] = resolve([ + custom[readKey], + datasetOpts[readKey], + options[readKey] + ], context); + } + + return values; + }, + + /** + * @private + */ + _resolveDataElementOptions: function(element, index) { + var me = this; + var custom = element && element.custom; + var cached = me._cachedDataOpts; + if (cached && !custom) { + return cached; + } + var chart = me.chart; + var datasetOpts = me._config; + var options = chart.options.elements[me.dataElementType.prototype._type] || {}; + var elementOptions = me._dataElementOptions; + var values = {}; + + // Scriptable options + var context = { + chart: chart, + dataIndex: index, + dataset: me.getDataset(), + datasetIndex: me.index + }; + + // `resolve` sets cacheable to `false` if any option is indexed or scripted + var info = {cacheable: !custom}; + + var keys, i, ilen, key; + + custom = custom || {}; + + if (helpers$1.isArray(elementOptions)) { + for (i = 0, ilen = elementOptions.length; i < ilen; ++i) { + key = elementOptions[i]; + values[key] = resolve([ + custom[key], + datasetOpts[key], + options[key] + ], context, index, info); + } + } else { + keys = Object.keys(elementOptions); + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + values[key] = resolve([ + custom[key], + datasetOpts[elementOptions[key]], + datasetOpts[key], + options[key] + ], context, index, info); + } + } + + if (info.cacheable) { + me._cachedDataOpts = Object.freeze(values); + } + + return values; + }, + + removeHoverStyle: function(element) { + helpers$1.merge(element._model, element.$previousStyle || {}); + delete element.$previousStyle; + }, + + setHoverStyle: function(element) { + var dataset = this.chart.data.datasets[element._datasetIndex]; + var index = element._index; + var custom = element.custom || {}; + var model = element._model; + var getHoverColor = helpers$1.getHoverColor; + + element.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth + }; + + model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index); + model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index); + model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index); + }, + + /** + * @private + */ + _removeDatasetHoverStyle: function() { + var element = this.getMeta().dataset; + + if (element) { + this.removeHoverStyle(element); + } + }, + + /** + * @private + */ + _setDatasetHoverStyle: function() { + var element = this.getMeta().dataset; + var prev = {}; + var i, ilen, key, keys, hoverOptions, model; + + if (!element) { + return; + } + + model = element._model; + hoverOptions = this._resolveDatasetElementOptions(element, true); + + keys = Object.keys(hoverOptions); + for (i = 0, ilen = keys.length; i < ilen; ++i) { + key = keys[i]; + prev[key] = model[key]; + model[key] = hoverOptions[key]; + } + + element.$previousStyle = prev; + }, + + /** + * @private + */ + resyncElements: function() { + var me = this; + var meta = me.getMeta(); + var data = me.getDataset().data; + var numMeta = meta.data.length; + var numData = data.length; + + if (numData < numMeta) { + meta.data.splice(numData, numMeta - numData); + } else if (numData > numMeta) { + me.insertElements(numMeta, numData - numMeta); + } + }, + + /** + * @private + */ + insertElements: function(start, count) { + for (var i = 0; i < count; ++i) { + this.addElementAndReset(start + i); + } + }, + + /** + * @private + */ + onDataPush: function() { + var count = arguments.length; + this.insertElements(this.getDataset().data.length - count, count); + }, + + /** + * @private + */ + onDataPop: function() { + this.getMeta().data.pop(); + }, + + /** + * @private + */ + onDataShift: function() { + this.getMeta().data.shift(); + }, + + /** + * @private + */ + onDataSplice: function(start, count) { + this.getMeta().data.splice(start, count); + this.insertElements(start, arguments.length - 2); + }, + + /** + * @private + */ + onDataUnshift: function() { + this.insertElements(0, arguments.length); + } + }); + + DatasetController.extend = helpers$1.inherits; + + var core_datasetController = DatasetController; + + var TAU = Math.PI * 2; + + core_defaults._set('global', { + elements: { + arc: { + backgroundColor: core_defaults.global.defaultColor, + borderColor: '#fff', + borderWidth: 2, + borderAlign: 'center' + } + } + }); + + function clipArc(ctx, arc) { + var startAngle = arc.startAngle; + var endAngle = arc.endAngle; + var pixelMargin = arc.pixelMargin; + var angleMargin = pixelMargin / arc.outerRadius; + var x = arc.x; + var y = arc.y; + + // Draw an inner border by cliping the arc and drawing a double-width border + // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders + ctx.beginPath(); + ctx.arc(x, y, arc.outerRadius, startAngle - angleMargin, endAngle + angleMargin); + if (arc.innerRadius > pixelMargin) { + angleMargin = pixelMargin / arc.innerRadius; + ctx.arc(x, y, arc.innerRadius - pixelMargin, endAngle + angleMargin, startAngle - angleMargin, true); + } else { + ctx.arc(x, y, pixelMargin, endAngle + Math.PI / 2, startAngle - Math.PI / 2); + } + ctx.closePath(); + ctx.clip(); + } + + function drawFullCircleBorders(ctx, vm, arc, inner) { + var endAngle = arc.endAngle; + var i; + + if (inner) { + arc.endAngle = arc.startAngle + TAU; + clipArc(ctx, arc); + arc.endAngle = endAngle; + if (arc.endAngle === arc.startAngle && arc.fullCircles) { + arc.endAngle += TAU; + arc.fullCircles--; + } + } + + ctx.beginPath(); + ctx.arc(arc.x, arc.y, arc.innerRadius, arc.startAngle + TAU, arc.startAngle, true); + for (i = 0; i < arc.fullCircles; ++i) { + ctx.stroke(); + } + + ctx.beginPath(); + ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.startAngle + TAU); + for (i = 0; i < arc.fullCircles; ++i) { + ctx.stroke(); + } + } + + function drawBorder(ctx, vm, arc) { + var inner = vm.borderAlign === 'inner'; + + if (inner) { + ctx.lineWidth = vm.borderWidth * 2; + ctx.lineJoin = 'round'; + } else { + ctx.lineWidth = vm.borderWidth; + ctx.lineJoin = 'bevel'; + } + + if (arc.fullCircles) { + drawFullCircleBorders(ctx, vm, arc, inner); + } + + if (inner) { + clipArc(ctx, arc); + } + + ctx.beginPath(); + ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.endAngle); + ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true); + ctx.closePath(); + ctx.stroke(); + } + + var element_arc = core_element.extend({ + _type: 'arc', + + inLabelRange: function(mouseX) { + var vm = this._view; + + if (vm) { + return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); + } + return false; + }, + + inRange: function(chartX, chartY) { + var vm = this._view; + + if (vm) { + var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY}); + var angle = pointRelativePosition.angle; + var distance = pointRelativePosition.distance; + + // Sanitise angle range + var startAngle = vm.startAngle; + var endAngle = vm.endAngle; + while (endAngle < startAngle) { + endAngle += TAU; + } + while (angle > endAngle) { + angle -= TAU; + } + while (angle < startAngle) { + angle += TAU; + } + + // Check if within the range of the open/close angle + var betweenAngles = (angle >= startAngle && angle <= endAngle); + var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); + + return (betweenAngles && withinRadius); + } + return false; + }, + + getCenterPoint: function() { + var vm = this._view; + var halfAngle = (vm.startAngle + vm.endAngle) / 2; + var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; + return { + x: vm.x + Math.cos(halfAngle) * halfRadius, + y: vm.y + Math.sin(halfAngle) * halfRadius + }; + }, + + getArea: function() { + var vm = this._view; + return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); + }, + + tooltipPosition: function() { + var vm = this._view; + var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); + var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; + + return { + x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), + y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) + }; + }, + + draw: function() { + var ctx = this._chart.ctx; + var vm = this._view; + var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0; + var arc = { + x: vm.x, + y: vm.y, + innerRadius: vm.innerRadius, + outerRadius: Math.max(vm.outerRadius - pixelMargin, 0), + pixelMargin: pixelMargin, + startAngle: vm.startAngle, + endAngle: vm.endAngle, + fullCircles: Math.floor(vm.circumference / TAU) + }; + var i; + + ctx.save(); + + ctx.fillStyle = vm.backgroundColor; + ctx.strokeStyle = vm.borderColor; + + if (arc.fullCircles) { + arc.endAngle = arc.startAngle + TAU; + ctx.beginPath(); + ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle); + ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true); + ctx.closePath(); + for (i = 0; i < arc.fullCircles; ++i) { + ctx.fill(); + } + arc.endAngle = arc.startAngle + vm.circumference % TAU; + } + + ctx.beginPath(); + ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle); + ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true); + ctx.closePath(); + ctx.fill(); + + if (vm.borderWidth) { + drawBorder(ctx, vm, arc); + } + + ctx.restore(); + } + }); + + var valueOrDefault$1 = helpers$1.valueOrDefault; + + var defaultColor = core_defaults.global.defaultColor; + + core_defaults._set('global', { + elements: { + line: { + tension: 0.4, + backgroundColor: defaultColor, + borderWidth: 3, + borderColor: defaultColor, + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0.0, + borderJoinStyle: 'miter', + capBezierPoints: true, + fill: true, // do we fill in the area between the line and its base axis + } + } + }); + + var element_line = core_element.extend({ + _type: 'line', + + draw: function() { + var me = this; + var vm = me._view; + var ctx = me._chart.ctx; + var spanGaps = vm.spanGaps; + var points = me._children.slice(); // clone array + var globalDefaults = core_defaults.global; + var globalOptionLineElements = globalDefaults.elements.line; + var lastDrawnIndex = -1; + var closePath = me._loop; + var index, previous, currentVM; + + if (!points.length) { + return; + } + + if (me._loop) { + for (index = 0; index < points.length; ++index) { + previous = helpers$1.previousItem(points, index); + // If the line has an open path, shift the point array + if (!points[index]._view.skip && previous._view.skip) { + points = points.slice(index).concat(points.slice(0, index)); + closePath = spanGaps; + break; + } + } + // If the line has a close path, add the first point again + if (closePath) { + points.push(points[0]); + } + } + + ctx.save(); + + // Stroke Line Options + ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; + + // IE 9 and 10 do not support line dash + if (ctx.setLineDash) { + ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); + } + + ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset); + ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; + ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth); + ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; + + // Stroke Line + ctx.beginPath(); + + // First point moves to it's starting position no matter what + currentVM = points[0]._view; + if (!currentVM.skip) { + ctx.moveTo(currentVM.x, currentVM.y); + lastDrawnIndex = 0; + } + + for (index = 1; index < points.length; ++index) { + currentVM = points[index]._view; + previous = lastDrawnIndex === -1 ? helpers$1.previousItem(points, index) : points[lastDrawnIndex]; + + if (!currentVM.skip) { + if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { + // There was a gap and this is the first point after the gap + ctx.moveTo(currentVM.x, currentVM.y); + } else { + // Line to next point + helpers$1.canvas.lineTo(ctx, previous._view, currentVM); + } + lastDrawnIndex = index; + } + } + + if (closePath) { + ctx.closePath(); + } + + ctx.stroke(); + ctx.restore(); + } + }); + + var valueOrDefault$2 = helpers$1.valueOrDefault; + + var defaultColor$1 = core_defaults.global.defaultColor; + + core_defaults._set('global', { + elements: { + point: { + radius: 3, + pointStyle: 'circle', + backgroundColor: defaultColor$1, + borderColor: defaultColor$1, + borderWidth: 1, + // Hover + hitRadius: 1, + hoverRadius: 4, + hoverBorderWidth: 1 + } + } + }); + + function xRange(mouseX) { + var vm = this._view; + return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; + } + + function yRange(mouseY) { + var vm = this._view; + return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; + } + + var element_point = core_element.extend({ + _type: 'point', + + inRange: function(mouseX, mouseY) { + var vm = this._view; + return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; + }, + + inLabelRange: xRange, + inXRange: xRange, + inYRange: yRange, + + getCenterPoint: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y + }; + }, + + getArea: function() { + return Math.PI * Math.pow(this._view.radius, 2); + }, + + tooltipPosition: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y, + padding: vm.radius + vm.borderWidth + }; + }, + + draw: function(chartArea) { + var vm = this._view; + var ctx = this._chart.ctx; + var pointStyle = vm.pointStyle; + var rotation = vm.rotation; + var radius = vm.radius; + var x = vm.x; + var y = vm.y; + var globalDefaults = core_defaults.global; + var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow + + if (vm.skip) { + return; + } + + // Clipping for Points. + if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) { + ctx.strokeStyle = vm.borderColor || defaultColor; + ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth); + ctx.fillStyle = vm.backgroundColor || defaultColor; + helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); + } + } + }); + + var defaultColor$2 = core_defaults.global.defaultColor; + + core_defaults._set('global', { + elements: { + rectangle: { + backgroundColor: defaultColor$2, + borderColor: defaultColor$2, + borderSkipped: 'bottom', + borderWidth: 0 + } + } + }); + + function isVertical(vm) { + return vm && vm.width !== undefined; + } + + /** + * Helper function to get the bounds of the bar regardless of the orientation + * @param bar {Chart.Element.Rectangle} the bar + * @return {Bounds} bounds of the bar + * @private + */ + function getBarBounds(vm) { + var x1, x2, y1, y2, half; + + if (isVertical(vm)) { + half = vm.width / 2; + x1 = vm.x - half; + x2 = vm.x + half; + y1 = Math.min(vm.y, vm.base); + y2 = Math.max(vm.y, vm.base); + } else { + half = vm.height / 2; + x1 = Math.min(vm.x, vm.base); + x2 = Math.max(vm.x, vm.base); + y1 = vm.y - half; + y2 = vm.y + half; + } + + return { + left: x1, + top: y1, + right: x2, + bottom: y2 + }; + } + + function swap(orig, v1, v2) { + return orig === v1 ? v2 : orig === v2 ? v1 : orig; + } + + function parseBorderSkipped(vm) { + var edge = vm.borderSkipped; + var res = {}; + + if (!edge) { + return res; + } + + if (vm.horizontal) { + if (vm.base > vm.x) { + edge = swap(edge, 'left', 'right'); + } + } else if (vm.base < vm.y) { + edge = swap(edge, 'bottom', 'top'); + } + + res[edge] = true; + return res; + } + + function parseBorderWidth(vm, maxW, maxH) { + var value = vm.borderWidth; + var skip = parseBorderSkipped(vm); + var t, r, b, l; + + if (helpers$1.isObject(value)) { + t = +value.top || 0; + r = +value.right || 0; + b = +value.bottom || 0; + l = +value.left || 0; + } else { + t = r = b = l = +value || 0; + } + + return { + t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t, + r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r, + b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b, + l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l + }; + } + + function boundingRects(vm) { + var bounds = getBarBounds(vm); + var width = bounds.right - bounds.left; + var height = bounds.bottom - bounds.top; + var border = parseBorderWidth(vm, width / 2, height / 2); + + return { + outer: { + x: bounds.left, + y: bounds.top, + w: width, + h: height + }, + inner: { + x: bounds.left + border.l, + y: bounds.top + border.t, + w: width - border.l - border.r, + h: height - border.t - border.b + } + }; + } + + function inRange(vm, x, y) { + var skipX = x === null; + var skipY = y === null; + var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm); + + return bounds + && (skipX || x >= bounds.left && x <= bounds.right) + && (skipY || y >= bounds.top && y <= bounds.bottom); + } + + var element_rectangle = core_element.extend({ + _type: 'rectangle', + + draw: function() { + var ctx = this._chart.ctx; + var vm = this._view; + var rects = boundingRects(vm); + var outer = rects.outer; + var inner = rects.inner; + + ctx.fillStyle = vm.backgroundColor; + ctx.fillRect(outer.x, outer.y, outer.w, outer.h); + + if (outer.w === inner.w && outer.h === inner.h) { + return; + } + + ctx.save(); + ctx.beginPath(); + ctx.rect(outer.x, outer.y, outer.w, outer.h); + ctx.clip(); + ctx.fillStyle = vm.borderColor; + ctx.rect(inner.x, inner.y, inner.w, inner.h); + ctx.fill('evenodd'); + ctx.restore(); + }, + + height: function() { + var vm = this._view; + return vm.base - vm.y; + }, + + inRange: function(mouseX, mouseY) { + return inRange(this._view, mouseX, mouseY); + }, + + inLabelRange: function(mouseX, mouseY) { + var vm = this._view; + return isVertical(vm) + ? inRange(vm, mouseX, null) + : inRange(vm, null, mouseY); + }, + + inXRange: function(mouseX) { + return inRange(this._view, mouseX, null); + }, + + inYRange: function(mouseY) { + return inRange(this._view, null, mouseY); + }, + + getCenterPoint: function() { + var vm = this._view; + var x, y; + if (isVertical(vm)) { + x = vm.x; + y = (vm.y + vm.base) / 2; + } else { + x = (vm.x + vm.base) / 2; + y = vm.y; + } + + return {x: x, y: y}; + }, + + getArea: function() { + var vm = this._view; + + return isVertical(vm) + ? vm.width * Math.abs(vm.y - vm.base) + : vm.height * Math.abs(vm.x - vm.base); + }, + + tooltipPosition: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y + }; + } + }); + + var elements = {}; + var Arc = element_arc; + var Line = element_line; + var Point = element_point; + var Rectangle = element_rectangle; + elements.Arc = Arc; + elements.Line = Line; + elements.Point = Point; + elements.Rectangle = Rectangle; + + var deprecated = helpers$1._deprecated; + var valueOrDefault$3 = helpers$1.valueOrDefault; + + core_defaults._set('bar', { + hover: { + mode: 'label' + }, + + scales: { + xAxes: [{ + type: 'category', + offset: true, + gridLines: { + offsetGridLines: true + } + }], + + yAxes: [{ + type: 'linear' + }] + } + }); + + core_defaults._set('global', { + datasets: { + bar: { + categoryPercentage: 0.8, + barPercentage: 0.9 + } + } + }); + + /** + * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. + * @private + */ + function computeMinSampleSize(scale, pixels) { + var min = scale._length; + var prev, curr, i, ilen; + + for (i = 1, ilen = pixels.length; i < ilen; ++i) { + min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1])); + } + + for (i = 0, ilen = scale.getTicks().length; i < ilen; ++i) { + curr = scale.getPixelForTick(i); + min = i > 0 ? Math.min(min, Math.abs(curr - prev)) : min; + prev = curr; + } + + return min; + } + + /** + * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, + * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This + * mode currently always generates bars equally sized (until we introduce scriptable options?). + * @private + */ + function computeFitCategoryTraits(index, ruler, options) { + var thickness = options.barThickness; + var count = ruler.stackCount; + var curr = ruler.pixels[index]; + var min = helpers$1.isNullOrUndef(thickness) + ? computeMinSampleSize(ruler.scale, ruler.pixels) + : -1; + var size, ratio; + + if (helpers$1.isNullOrUndef(thickness)) { + size = min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + // When bar thickness is enforced, category and bar percentages are ignored. + // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') + // and deprecate barPercentage since this value is ignored when thickness is absolute. + size = thickness * count; + ratio = 1; + } + + return { + chunk: size / count, + ratio: ratio, + start: curr - (size / 2) + }; + } + + /** + * Computes an "optimal" category that globally arranges bars side by side (no gap when + * percentage options are 1), based on the previous and following categories. This mode + * generates bars with different widths when data are not evenly spaced. + * @private + */ + function computeFlexCategoryTraits(index, ruler, options) { + var pixels = ruler.pixels; + var curr = pixels[index]; + var prev = index > 0 ? pixels[index - 1] : null; + var next = index < pixels.length - 1 ? pixels[index + 1] : null; + var percent = options.categoryPercentage; + var start, size; + + if (prev === null) { + // first data: its size is double based on the next point or, + // if it's also the last data, we use the scale size. + prev = curr - (next === null ? ruler.end - ruler.start : next - curr); + } + + if (next === null) { + // last data: its size is also double based on the previous point. + next = curr + curr - prev; + } + + start = curr - (curr - Math.min(prev, next)) / 2 * percent; + size = Math.abs(next - prev) / 2 * percent; + + return { + chunk: size / ruler.stackCount, + ratio: options.barPercentage, + start: start + }; + } + + var controller_bar = core_datasetController.extend({ + + dataElementType: elements.Rectangle, + + /** + * @private + */ + _dataElementOptions: [ + 'backgroundColor', + 'borderColor', + 'borderSkipped', + 'borderWidth', + 'barPercentage', + 'barThickness', + 'categoryPercentage', + 'maxBarThickness', + 'minBarLength' + ], + + initialize: function() { + var me = this; + var meta, scaleOpts; + + core_datasetController.prototype.initialize.apply(me, arguments); + + meta = me.getMeta(); + meta.stack = me.getDataset().stack; + meta.bar = true; + + scaleOpts = me._getIndexScale().options; + deprecated('bar chart', scaleOpts.barPercentage, 'scales.[x/y]Axes.barPercentage', 'dataset.barPercentage'); + deprecated('bar chart', scaleOpts.barThickness, 'scales.[x/y]Axes.barThickness', 'dataset.barThickness'); + deprecated('bar chart', scaleOpts.categoryPercentage, 'scales.[x/y]Axes.categoryPercentage', 'dataset.categoryPercentage'); + deprecated('bar chart', me._getValueScale().options.minBarLength, 'scales.[x/y]Axes.minBarLength', 'dataset.minBarLength'); + deprecated('bar chart', scaleOpts.maxBarThickness, 'scales.[x/y]Axes.maxBarThickness', 'dataset.maxBarThickness'); + }, + + update: function(reset) { + var me = this; + var rects = me.getMeta().data; + var i, ilen; + + me._ruler = me.getRuler(); + + for (i = 0, ilen = rects.length; i < ilen; ++i) { + me.updateElement(rects[i], i, reset); + } + }, + + updateElement: function(rectangle, index, reset) { + var me = this; + var meta = me.getMeta(); + var dataset = me.getDataset(); + var options = me._resolveDataElementOptions(rectangle, index); + + rectangle._xScale = me.getScaleForId(meta.xAxisID); + rectangle._yScale = me.getScaleForId(meta.yAxisID); + rectangle._datasetIndex = me.index; + rectangle._index = index; + rectangle._model = { + backgroundColor: options.backgroundColor, + borderColor: options.borderColor, + borderSkipped: options.borderSkipped, + borderWidth: options.borderWidth, + datasetLabel: dataset.label, + label: me.chart.data.labels[index] + }; + + if (helpers$1.isArray(dataset.data[index])) { + rectangle._model.borderSkipped = null; + } + + me._updateElementGeometry(rectangle, index, reset, options); + + rectangle.pivot(); + }, + + /** + * @private + */ + _updateElementGeometry: function(rectangle, index, reset, options) { + var me = this; + var model = rectangle._model; + var vscale = me._getValueScale(); + var base = vscale.getBasePixel(); + var horizontal = vscale.isHorizontal(); + var ruler = me._ruler || me.getRuler(); + var vpixels = me.calculateBarValuePixels(me.index, index, options); + var ipixels = me.calculateBarIndexPixels(me.index, index, ruler, options); + + model.horizontal = horizontal; + model.base = reset ? base : vpixels.base; + model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; + model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; + model.height = horizontal ? ipixels.size : undefined; + model.width = horizontal ? undefined : ipixels.size; + }, + + /** + * Returns the stacks based on groups and bar visibility. + * @param {number} [last] - The dataset index + * @returns {string[]} The list of stack IDs + * @private + */ + _getStacks: function(last) { + var me = this; + var scale = me._getIndexScale(); + var metasets = scale._getMatchingVisibleMetas(me._type); + var stacked = scale.options.stacked; + var ilen = metasets.length; + var stacks = []; + var i, meta; + + for (i = 0; i < ilen; ++i) { + meta = metasets[i]; + // stacked | meta.stack + // | found | not found | undefined + // false | x | x | x + // true | | x | + // undefined | | x | x + if (stacked === false || stacks.indexOf(meta.stack) === -1 || + (stacked === undefined && meta.stack === undefined)) { + stacks.push(meta.stack); + } + if (meta.index === last) { + break; + } + } + + return stacks; + }, + + /** + * Returns the effective number of stacks based on groups and bar visibility. + * @private + */ + getStackCount: function() { + return this._getStacks().length; + }, + + /** + * Returns the stack index for the given dataset based on groups and bar visibility. + * @param {number} [datasetIndex] - The dataset index + * @param {string} [name] - The stack name to find + * @returns {number} The stack index + * @private + */ + getStackIndex: function(datasetIndex, name) { + var stacks = this._getStacks(datasetIndex); + var index = (name !== undefined) + ? stacks.indexOf(name) + : -1; // indexOf returns -1 if element is not present + + return (index === -1) + ? stacks.length - 1 + : index; + }, + + /** + * @private + */ + getRuler: function() { + var me = this; + var scale = me._getIndexScale(); + var pixels = []; + var i, ilen; + + for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { + pixels.push(scale.getPixelForValue(null, i, me.index)); + } + + return { + pixels: pixels, + start: scale._startPixel, + end: scale._endPixel, + stackCount: me.getStackCount(), + scale: scale + }; + }, + + /** + * Note: pixel values are not clamped to the scale area. + * @private + */ + calculateBarValuePixels: function(datasetIndex, index, options) { + var me = this; + var chart = me.chart; + var scale = me._getValueScale(); + var isHorizontal = scale.isHorizontal(); + var datasets = chart.data.datasets; + var metasets = scale._getMatchingVisibleMetas(me._type); + var value = scale._parseValue(datasets[datasetIndex].data[index]); + var minBarLength = options.minBarLength; + var stacked = scale.options.stacked; + var stack = me.getMeta().stack; + var start = value.start === undefined ? 0 : value.max >= 0 && value.min >= 0 ? value.min : value.max; + var length = value.start === undefined ? value.end : value.max >= 0 && value.min >= 0 ? value.max - value.min : value.min - value.max; + var ilen = metasets.length; + var i, imeta, ivalue, base, head, size, stackLength; + + if (stacked || (stacked === undefined && stack !== undefined)) { + for (i = 0; i < ilen; ++i) { + imeta = metasets[i]; + + if (imeta.index === datasetIndex) { + break; + } + + if (imeta.stack === stack) { + stackLength = scale._parseValue(datasets[imeta.index].data[index]); + ivalue = stackLength.start === undefined ? stackLength.end : stackLength.min >= 0 && stackLength.max >= 0 ? stackLength.max : stackLength.min; + + if ((value.min < 0 && ivalue < 0) || (value.max >= 0 && ivalue > 0)) { + start += ivalue; + } + } + } + } + + base = scale.getPixelForValue(start); + head = scale.getPixelForValue(start + length); + size = head - base; + + if (minBarLength !== undefined && Math.abs(size) < minBarLength) { + size = minBarLength; + if (length >= 0 && !isHorizontal || length < 0 && isHorizontal) { + head = base - minBarLength; + } else { + head = base + minBarLength; + } + } + + return { + size: size, + base: base, + head: head, + center: head + size / 2 + }; + }, + + /** + * @private + */ + calculateBarIndexPixels: function(datasetIndex, index, ruler, options) { + var me = this; + var range = options.barThickness === 'flex' + ? computeFlexCategoryTraits(index, ruler, options) + : computeFitCategoryTraits(index, ruler, options); + + var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); + var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); + var size = Math.min( + valueOrDefault$3(options.maxBarThickness, Infinity), + range.chunk * range.ratio); + + return { + base: center - size / 2, + head: center + size / 2, + center: center, + size: size + }; + }, + + draw: function() { + var me = this; + var chart = me.chart; + var scale = me._getValueScale(); + var rects = me.getMeta().data; + var dataset = me.getDataset(); + var ilen = rects.length; + var i = 0; + + helpers$1.canvas.clipArea(chart.ctx, chart.chartArea); + + for (; i < ilen; ++i) { + var val = scale._parseValue(dataset.data[i]); + if (!isNaN(val.min) && !isNaN(val.max)) { + rects[i].draw(); + } + } + + helpers$1.canvas.unclipArea(chart.ctx); + }, + + /** + * @private + */ + _resolveDataElementOptions: function() { + var me = this; + var values = helpers$1.extend({}, core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments)); + var indexOpts = me._getIndexScale().options; + var valueOpts = me._getValueScale().options; + + values.barPercentage = valueOrDefault$3(indexOpts.barPercentage, values.barPercentage); + values.barThickness = valueOrDefault$3(indexOpts.barThickness, values.barThickness); + values.categoryPercentage = valueOrDefault$3(indexOpts.categoryPercentage, values.categoryPercentage); + values.maxBarThickness = valueOrDefault$3(indexOpts.maxBarThickness, values.maxBarThickness); + values.minBarLength = valueOrDefault$3(valueOpts.minBarLength, values.minBarLength); + + return values; + } + + }); + + var valueOrDefault$4 = helpers$1.valueOrDefault; + var resolve$1 = helpers$1.options.resolve; + + core_defaults._set('bubble', { + hover: { + mode: 'single' + }, + + scales: { + xAxes: [{ + type: 'linear', // bubble should probably use a linear scale by default + position: 'bottom', + id: 'x-axis-0' // need an ID so datasets can reference the scale + }], + yAxes: [{ + type: 'linear', + position: 'left', + id: 'y-axis-0' + }] + }, + + tooltips: { + callbacks: { + title: function() { + // Title doesn't make sense for scatter since we format the data as a point + return ''; + }, + label: function(item, data) { + var datasetLabel = data.datasets[item.datasetIndex].label || ''; + var dataPoint = data.datasets[item.datasetIndex].data[item.index]; + return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; + } + } + } + }); + + var controller_bubble = core_datasetController.extend({ + /** + * @protected + */ + dataElementType: elements.Point, + + /** + * @private + */ + _dataElementOptions: [ + 'backgroundColor', + 'borderColor', + 'borderWidth', + 'hoverBackgroundColor', + 'hoverBorderColor', + 'hoverBorderWidth', + 'hoverRadius', + 'hitRadius', + 'pointStyle', + 'rotation' + ], + + /** + * @protected + */ + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var points = meta.data; + + // Update Points + helpers$1.each(points, function(point, index) { + me.updateElement(point, index, reset); + }); + }, + + /** + * @protected + */ + updateElement: function(point, index, reset) { + var me = this; + var meta = me.getMeta(); + var custom = point.custom || {}; + var xScale = me.getScaleForId(meta.xAxisID); + var yScale = me.getScaleForId(meta.yAxisID); + var options = me._resolveDataElementOptions(point, index); + var data = me.getDataset().data[index]; + var dsIndex = me.index; + + var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); + var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); + + point._xScale = xScale; + point._yScale = yScale; + point._options = options; + point._datasetIndex = dsIndex; + point._index = index; + point._model = { + backgroundColor: options.backgroundColor, + borderColor: options.borderColor, + borderWidth: options.borderWidth, + hitRadius: options.hitRadius, + pointStyle: options.pointStyle, + rotation: options.rotation, + radius: reset ? 0 : options.radius, + skip: custom.skip || isNaN(x) || isNaN(y), + x: x, + y: y, + }; + + point.pivot(); + }, + + /** + * @protected + */ + setHoverStyle: function(point) { + var model = point._model; + var options = point._options; + var getHoverColor = helpers$1.getHoverColor; + + point.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + radius: model.radius + }; + + model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); + model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor)); + model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth); + model.radius = options.radius + options.hoverRadius; + }, + + /** + * @private + */ + _resolveDataElementOptions: function(point, index) { + var me = this; + var chart = me.chart; + var dataset = me.getDataset(); + var custom = point.custom || {}; + var data = dataset.data[index] || {}; + var values = core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments); + + // Scriptable options + var context = { + chart: chart, + dataIndex: index, + dataset: dataset, + datasetIndex: me.index + }; + + // In case values were cached (and thus frozen), we need to clone the values + if (me._cachedDataOpts === values) { + values = helpers$1.extend({}, values); + } + + // Custom radius resolution + values.radius = resolve$1([ + custom.radius, + data.r, + me._config.radius, + chart.options.elements.point.radius + ], context, index); + + return values; + } + }); + + var valueOrDefault$5 = helpers$1.valueOrDefault; + + var PI$1 = Math.PI; + var DOUBLE_PI$1 = PI$1 * 2; + var HALF_PI$1 = PI$1 / 2; + + core_defaults._set('doughnut', { + animation: { + // Boolean - Whether we animate the rotation of the Doughnut + animateRotate: true, + // Boolean - Whether we animate scaling the Doughnut from the centre + animateScale: false + }, + hover: { + mode: 'single' + }, + legendCallback: function(chart) { + var list = document.createElement('ul'); + var data = chart.data; + var datasets = data.datasets; + var labels = data.labels; + var i, ilen, listItem, listItemSpan; + + list.setAttribute('class', chart.id + '-legend'); + if (datasets.length) { + for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) { + listItem = list.appendChild(document.createElement('li')); + listItemSpan = listItem.appendChild(document.createElement('span')); + listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i]; + if (labels[i]) { + listItem.appendChild(document.createTextNode(labels[i])); + } + } + } + + return list.outerHTML; + }, + legend: { + labels: { + generateLabels: function(chart) { + var data = chart.data; + if (data.labels.length && data.datasets.length) { + return data.labels.map(function(label, i) { + var meta = chart.getDatasetMeta(0); + var style = meta.controller.getStyle(i); + + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + lineWidth: style.borderWidth, + hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden, + + // Extra data used for toggling the correct item + index: i + }; + }); + } + return []; + } + }, + + onClick: function(e, legendItem) { + var index = legendItem.index; + var chart = this.chart; + var i, ilen, meta; + + for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { + meta = chart.getDatasetMeta(i); + // toggle visibility of index if exists + if (meta.data[index]) { + meta.data[index].hidden = !meta.data[index].hidden; + } + } + + chart.update(); + } + }, + + // The percentage of the chart that we cut out of the middle. + cutoutPercentage: 50, + + // The rotation of the chart, where the first data arc begins. + rotation: -HALF_PI$1, + + // The total circumference of the chart. + circumference: DOUBLE_PI$1, + + // Need to override these to give a nice default + tooltips: { + callbacks: { + title: function() { + return ''; + }, + label: function(tooltipItem, data) { + var dataLabel = data.labels[tooltipItem.index]; + var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; + + if (helpers$1.isArray(dataLabel)) { + // show value on first line of multiline label + // need to clone because we are changing the value + dataLabel = dataLabel.slice(); + dataLabel[0] += value; + } else { + dataLabel += value; + } + + return dataLabel; + } + } + } + }); + + var controller_doughnut = core_datasetController.extend({ + + dataElementType: elements.Arc, + + linkScales: helpers$1.noop, + + /** + * @private + */ + _dataElementOptions: [ + 'backgroundColor', + 'borderColor', + 'borderWidth', + 'borderAlign', + 'hoverBackgroundColor', + 'hoverBorderColor', + 'hoverBorderWidth', + ], + + // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly + getRingIndex: function(datasetIndex) { + var ringIndex = 0; + + for (var j = 0; j < datasetIndex; ++j) { + if (this.chart.isDatasetVisible(j)) { + ++ringIndex; + } + } + + return ringIndex; + }, + + update: function(reset) { + var me = this; + var chart = me.chart; + var chartArea = chart.chartArea; + var opts = chart.options; + var ratioX = 1; + var ratioY = 1; + var offsetX = 0; + var offsetY = 0; + var meta = me.getMeta(); + var arcs = meta.data; + var cutout = opts.cutoutPercentage / 100 || 0; + var circumference = opts.circumference; + var chartWeight = me._getRingWeight(me.index); + var maxWidth, maxHeight, i, ilen; + + // If the chart's circumference isn't a full circle, calculate size as a ratio of the width/height of the arc + if (circumference < DOUBLE_PI$1) { + var startAngle = opts.rotation % DOUBLE_PI$1; + startAngle += startAngle >= PI$1 ? -DOUBLE_PI$1 : startAngle < -PI$1 ? DOUBLE_PI$1 : 0; + var endAngle = startAngle + circumference; + var startX = Math.cos(startAngle); + var startY = Math.sin(startAngle); + var endX = Math.cos(endAngle); + var endY = Math.sin(endAngle); + var contains0 = (startAngle <= 0 && endAngle >= 0) || endAngle >= DOUBLE_PI$1; + var contains90 = (startAngle <= HALF_PI$1 && endAngle >= HALF_PI$1) || endAngle >= DOUBLE_PI$1 + HALF_PI$1; + var contains180 = startAngle === -PI$1 || endAngle >= PI$1; + var contains270 = (startAngle <= -HALF_PI$1 && endAngle >= -HALF_PI$1) || endAngle >= PI$1 + HALF_PI$1; + var minX = contains180 ? -1 : Math.min(startX, startX * cutout, endX, endX * cutout); + var minY = contains270 ? -1 : Math.min(startY, startY * cutout, endY, endY * cutout); + var maxX = contains0 ? 1 : Math.max(startX, startX * cutout, endX, endX * cutout); + var maxY = contains90 ? 1 : Math.max(startY, startY * cutout, endY, endY * cutout); + ratioX = (maxX - minX) / 2; + ratioY = (maxY - minY) / 2; + offsetX = -(maxX + minX) / 2; + offsetY = -(maxY + minY) / 2; + } + + for (i = 0, ilen = arcs.length; i < ilen; ++i) { + arcs[i]._options = me._resolveDataElementOptions(arcs[i], i); + } + + chart.borderWidth = me.getMaxBorderWidth(); + maxWidth = (chartArea.right - chartArea.left - chart.borderWidth) / ratioX; + maxHeight = (chartArea.bottom - chartArea.top - chart.borderWidth) / ratioY; + chart.outerRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); + chart.innerRadius = Math.max(chart.outerRadius * cutout, 0); + chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1); + chart.offsetX = offsetX * chart.outerRadius; + chart.offsetY = offsetY * chart.outerRadius; + + meta.total = me.calculateTotal(); + + me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index); + me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0); + + for (i = 0, ilen = arcs.length; i < ilen; ++i) { + me.updateElement(arcs[i], i, reset); + } + }, + + updateElement: function(arc, index, reset) { + var me = this; + var chart = me.chart; + var chartArea = chart.chartArea; + var opts = chart.options; + var animationOpts = opts.animation; + var centerX = (chartArea.left + chartArea.right) / 2; + var centerY = (chartArea.top + chartArea.bottom) / 2; + var startAngle = opts.rotation; // non reset case handled later + var endAngle = opts.rotation; // non reset case handled later + var dataset = me.getDataset(); + var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / DOUBLE_PI$1); + var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; + var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; + var options = arc._options || {}; + + helpers$1.extend(arc, { + // Utility + _datasetIndex: me.index, + _index: index, + + // Desired view properties + _model: { + backgroundColor: options.backgroundColor, + borderColor: options.borderColor, + borderWidth: options.borderWidth, + borderAlign: options.borderAlign, + x: centerX + chart.offsetX, + y: centerY + chart.offsetY, + startAngle: startAngle, + endAngle: endAngle, + circumference: circumference, + outerRadius: outerRadius, + innerRadius: innerRadius, + label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) + } + }); + + var model = arc._model; + + // Set correct angles if not resetting + if (!reset || !animationOpts.animateRotate) { + if (index === 0) { + model.startAngle = opts.rotation; + } else { + model.startAngle = me.getMeta().data[index - 1]._model.endAngle; + } + + model.endAngle = model.startAngle + model.circumference; + } + + arc.pivot(); + }, + + calculateTotal: function() { + var dataset = this.getDataset(); + var meta = this.getMeta(); + var total = 0; + var value; + + helpers$1.each(meta.data, function(element, index) { + value = dataset.data[index]; + if (!isNaN(value) && !element.hidden) { + total += Math.abs(value); + } + }); + + /* if (total === 0) { + total = NaN; + }*/ + + return total; + }, + + calculateCircumference: function(value) { + var total = this.getMeta().total; + if (total > 0 && !isNaN(value)) { + return DOUBLE_PI$1 * (Math.abs(value) / total); + } + return 0; + }, + + // gets the max border or hover width to properly scale pie charts + getMaxBorderWidth: function(arcs) { + var me = this; + var max = 0; + var chart = me.chart; + var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth; + + if (!arcs) { + // Find the outmost visible dataset + for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) { + if (chart.isDatasetVisible(i)) { + meta = chart.getDatasetMeta(i); + arcs = meta.data; + if (i !== me.index) { + controller = meta.controller; + } + break; + } + } + } + + if (!arcs) { + return 0; + } + + for (i = 0, ilen = arcs.length; i < ilen; ++i) { + arc = arcs[i]; + if (controller) { + controller._configure(); + options = controller._resolveDataElementOptions(arc, i); + } else { + options = arc._options; + } + if (options.borderAlign !== 'inner') { + borderWidth = options.borderWidth; + hoverWidth = options.hoverBorderWidth; + + max = borderWidth > max ? borderWidth : max; + max = hoverWidth > max ? hoverWidth : max; + } + } + return max; + }, + + /** + * @protected + */ + setHoverStyle: function(arc) { + var model = arc._model; + var options = arc._options; + var getHoverColor = helpers$1.getHoverColor; + + arc.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + }; + + model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); + model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor)); + model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth); + }, + + /** + * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly + * @private + */ + _getRingWeightOffset: function(datasetIndex) { + var ringWeightOffset = 0; + + for (var i = 0; i < datasetIndex; ++i) { + if (this.chart.isDatasetVisible(i)) { + ringWeightOffset += this._getRingWeight(i); + } + } + + return ringWeightOffset; + }, + + /** + * @private + */ + _getRingWeight: function(dataSetIndex) { + return Math.max(valueOrDefault$5(this.chart.data.datasets[dataSetIndex].weight, 1), 0); + }, + + /** + * Returns the sum of all visibile data set weights. This value can be 0. + * @private + */ + _getVisibleDatasetWeightTotal: function() { + return this._getRingWeightOffset(this.chart.data.datasets.length); + } + }); + + core_defaults._set('horizontalBar', { + hover: { + mode: 'index', + axis: 'y' + }, + + scales: { + xAxes: [{ + type: 'linear', + position: 'bottom' + }], + + yAxes: [{ + type: 'category', + position: 'left', + offset: true, + gridLines: { + offsetGridLines: true + } + }] + }, + + elements: { + rectangle: { + borderSkipped: 'left' + } + }, + + tooltips: { + mode: 'index', + axis: 'y' + } + }); + + core_defaults._set('global', { + datasets: { + horizontalBar: { + categoryPercentage: 0.8, + barPercentage: 0.9 + } + } + }); + + var controller_horizontalBar = controller_bar.extend({ + /** + * @private + */ + _getValueScaleId: function() { + return this.getMeta().xAxisID; + }, + + /** + * @private + */ + _getIndexScaleId: function() { + return this.getMeta().yAxisID; + } + }); + + var valueOrDefault$6 = helpers$1.valueOrDefault; + var resolve$2 = helpers$1.options.resolve; + var isPointInArea = helpers$1.canvas._isPointInArea; + + core_defaults._set('line', { + showLines: true, + spanGaps: false, + + hover: { + mode: 'label' + }, + + scales: { + xAxes: [{ + type: 'category', + id: 'x-axis-0' + }], + yAxes: [{ + type: 'linear', + id: 'y-axis-0' + }] + } + }); + + function scaleClip(scale, halfBorderWidth) { + var tickOpts = scale && scale.options.ticks || {}; + var reverse = tickOpts.reverse; + var min = tickOpts.min === undefined ? halfBorderWidth : 0; + var max = tickOpts.max === undefined ? halfBorderWidth : 0; + return { + start: reverse ? max : min, + end: reverse ? min : max + }; + } + + function defaultClip(xScale, yScale, borderWidth) { + var halfBorderWidth = borderWidth / 2; + var x = scaleClip(xScale, halfBorderWidth); + var y = scaleClip(yScale, halfBorderWidth); + + return { + top: y.end, + right: x.end, + bottom: y.start, + left: x.start + }; + } + + function toClip(value) { + var t, r, b, l; + + if (helpers$1.isObject(value)) { + t = value.top; + r = value.right; + b = value.bottom; + l = value.left; + } else { + t = r = b = l = value; + } + + return { + top: t, + right: r, + bottom: b, + left: l + }; + } + + + var controller_line = core_datasetController.extend({ + + datasetElementType: elements.Line, + + dataElementType: elements.Point, + + /** + * @private + */ + _datasetElementOptions: [ + 'backgroundColor', + 'borderCapStyle', + 'borderColor', + 'borderDash', + 'borderDashOffset', + 'borderJoinStyle', + 'borderWidth', + 'cubicInterpolationMode', + 'fill' + ], + + /** + * @private + */ + _dataElementOptions: { + backgroundColor: 'pointBackgroundColor', + borderColor: 'pointBorderColor', + borderWidth: 'pointBorderWidth', + hitRadius: 'pointHitRadius', + hoverBackgroundColor: 'pointHoverBackgroundColor', + hoverBorderColor: 'pointHoverBorderColor', + hoverBorderWidth: 'pointHoverBorderWidth', + hoverRadius: 'pointHoverRadius', + pointStyle: 'pointStyle', + radius: 'pointRadius', + rotation: 'pointRotation' + }, + + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var line = meta.dataset; + var points = meta.data || []; + var options = me.chart.options; + var config = me._config; + var showLine = me._showLine = valueOrDefault$6(config.showLine, options.showLines); + var i, ilen; + + me._xScale = me.getScaleForId(meta.xAxisID); + me._yScale = me.getScaleForId(meta.yAxisID); + + // Update Line + if (showLine) { + // Compatibility: If the properties are defined with only the old name, use those values + if (config.tension !== undefined && config.lineTension === undefined) { + config.lineTension = config.tension; + } + + // Utility + line._scale = me._yScale; + line._datasetIndex = me.index; + // Data + line._children = points; + // Model + line._model = me._resolveDatasetElementOptions(line); + + line.pivot(); + } + + // Update Points + for (i = 0, ilen = points.length; i < ilen; ++i) { + me.updateElement(points[i], i, reset); + } + + if (showLine && line._model.tension !== 0) { + me.updateBezierControlPoints(); + } + + // Now pivot the point for animation + for (i = 0, ilen = points.length; i < ilen; ++i) { + points[i].pivot(); + } + }, + + updateElement: function(point, index, reset) { + var me = this; + var meta = me.getMeta(); + var custom = point.custom || {}; + var dataset = me.getDataset(); + var datasetIndex = me.index; + var value = dataset.data[index]; + var xScale = me._xScale; + var yScale = me._yScale; + var lineModel = meta.dataset._model; + var x, y; + + var options = me._resolveDataElementOptions(point, index); + + x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); + y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); + + // Utility + point._xScale = xScale; + point._yScale = yScale; + point._options = options; + point._datasetIndex = datasetIndex; + point._index = index; + + // Desired view properties + point._model = { + x: x, + y: y, + skip: custom.skip || isNaN(x) || isNaN(y), + // Appearance + radius: options.radius, + pointStyle: options.pointStyle, + rotation: options.rotation, + backgroundColor: options.backgroundColor, + borderColor: options.borderColor, + borderWidth: options.borderWidth, + tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0), + steppedLine: lineModel ? lineModel.steppedLine : false, + // Tooltip + hitRadius: options.hitRadius + }; + }, + + /** + * @private + */ + _resolveDatasetElementOptions: function(element) { + var me = this; + var config = me._config; + var custom = element.custom || {}; + var options = me.chart.options; + var lineOptions = options.elements.line; + var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments); + + // The default behavior of lines is to break at null values, according + // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 + // This option gives lines the ability to span gaps + values.spanGaps = valueOrDefault$6(config.spanGaps, options.spanGaps); + values.tension = valueOrDefault$6(config.lineTension, lineOptions.tension); + values.steppedLine = resolve$2([custom.steppedLine, config.steppedLine, lineOptions.stepped]); + values.clip = toClip(valueOrDefault$6(config.clip, defaultClip(me._xScale, me._yScale, values.borderWidth))); + + return values; + }, + + calculatePointY: function(value, index, datasetIndex) { + var me = this; + var chart = me.chart; + var yScale = me._yScale; + var sumPos = 0; + var sumNeg = 0; + var i, ds, dsMeta, stackedRightValue, rightValue, metasets, ilen; + + if (yScale.options.stacked) { + rightValue = +yScale.getRightValue(value); + metasets = chart._getSortedVisibleDatasetMetas(); + ilen = metasets.length; + + for (i = 0; i < ilen; ++i) { + dsMeta = metasets[i]; + if (dsMeta.index === datasetIndex) { + break; + } + + ds = chart.data.datasets[dsMeta.index]; + if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id) { + stackedRightValue = +yScale.getRightValue(ds.data[index]); + if (stackedRightValue < 0) { + sumNeg += stackedRightValue || 0; + } else { + sumPos += stackedRightValue || 0; + } + } + } + + if (rightValue < 0) { + return yScale.getPixelForValue(sumNeg + rightValue); + } + return yScale.getPixelForValue(sumPos + rightValue); + } + return yScale.getPixelForValue(value); + }, + + updateBezierControlPoints: function() { + var me = this; + var chart = me.chart; + var meta = me.getMeta(); + var lineModel = meta.dataset._model; + var area = chart.chartArea; + var points = meta.data || []; + var i, ilen, model, controlPoints; + + // Only consider points that are drawn in case the spanGaps option is used + if (lineModel.spanGaps) { + points = points.filter(function(pt) { + return !pt._model.skip; + }); + } + + function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); + } + + if (lineModel.cubicInterpolationMode === 'monotone') { + helpers$1.splineCurveMonotone(points); + } else { + for (i = 0, ilen = points.length; i < ilen; ++i) { + model = points[i]._model; + controlPoints = helpers$1.splineCurve( + helpers$1.previousItem(points, i)._model, + model, + helpers$1.nextItem(points, i)._model, + lineModel.tension + ); + model.controlPointPreviousX = controlPoints.previous.x; + model.controlPointPreviousY = controlPoints.previous.y; + model.controlPointNextX = controlPoints.next.x; + model.controlPointNextY = controlPoints.next.y; + } + } + + if (chart.options.elements.line.capBezierPoints) { + for (i = 0, ilen = points.length; i < ilen; ++i) { + model = points[i]._model; + if (isPointInArea(model, area)) { + if (i > 0 && isPointInArea(points[i - 1]._model, area)) { + model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); + model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); + } + if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) { + model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); + model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); + } + } + } + } + }, + + draw: function() { + var me = this; + var chart = me.chart; + var meta = me.getMeta(); + var points = meta.data || []; + var area = chart.chartArea; + var canvas = chart.canvas; + var i = 0; + var ilen = points.length; + var clip; + + if (me._showLine) { + clip = meta.dataset._model.clip; + + helpers$1.canvas.clipArea(chart.ctx, { + left: clip.left === false ? 0 : area.left - clip.left, + right: clip.right === false ? canvas.width : area.right + clip.right, + top: clip.top === false ? 0 : area.top - clip.top, + bottom: clip.bottom === false ? canvas.height : area.bottom + clip.bottom + }); + + meta.dataset.draw(); + + helpers$1.canvas.unclipArea(chart.ctx); + } + + // Draw the points + for (; i < ilen; ++i) { + points[i].draw(area); + } + }, + + /** + * @protected + */ + setHoverStyle: function(point) { + var model = point._model; + var options = point._options; + var getHoverColor = helpers$1.getHoverColor; + + point.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + radius: model.radius + }; + + model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); + model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor)); + model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth); + model.radius = valueOrDefault$6(options.hoverRadius, options.radius); + }, + }); + + var resolve$3 = helpers$1.options.resolve; + + core_defaults._set('polarArea', { + scale: { + type: 'radialLinear', + angleLines: { + display: false + }, + gridLines: { + circular: true + }, + pointLabels: { + display: false + }, + ticks: { + beginAtZero: true + } + }, + + // Boolean - Whether to animate the rotation of the chart + animation: { + animateRotate: true, + animateScale: true + }, + + startAngle: -0.5 * Math.PI, + legendCallback: function(chart) { + var list = document.createElement('ul'); + var data = chart.data; + var datasets = data.datasets; + var labels = data.labels; + var i, ilen, listItem, listItemSpan; + + list.setAttribute('class', chart.id + '-legend'); + if (datasets.length) { + for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) { + listItem = list.appendChild(document.createElement('li')); + listItemSpan = listItem.appendChild(document.createElement('span')); + listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i]; + if (labels[i]) { + listItem.appendChild(document.createTextNode(labels[i])); + } + } + } + + return list.outerHTML; + }, + legend: { + labels: { + generateLabels: function(chart) { + var data = chart.data; + if (data.labels.length && data.datasets.length) { + return data.labels.map(function(label, i) { + var meta = chart.getDatasetMeta(0); + var style = meta.controller.getStyle(i); + + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + lineWidth: style.borderWidth, + hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden, + + // Extra data used for toggling the correct item + index: i + }; + }); + } + return []; + } + }, + + onClick: function(e, legendItem) { + var index = legendItem.index; + var chart = this.chart; + var i, ilen, meta; + + for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { + meta = chart.getDatasetMeta(i); + meta.data[index].hidden = !meta.data[index].hidden; + } + + chart.update(); + } + }, + + // Need to override these to give a nice default + tooltips: { + callbacks: { + title: function() { + return ''; + }, + label: function(item, data) { + return data.labels[item.index] + ': ' + item.yLabel; + } + } + } + }); + + var controller_polarArea = core_datasetController.extend({ + + dataElementType: elements.Arc, + + linkScales: helpers$1.noop, + + /** + * @private + */ + _dataElementOptions: [ + 'backgroundColor', + 'borderColor', + 'borderWidth', + 'borderAlign', + 'hoverBackgroundColor', + 'hoverBorderColor', + 'hoverBorderWidth', + ], + + /** + * @private + */ + _getIndexScaleId: function() { + return this.chart.scale.id; + }, + + /** + * @private + */ + _getValueScaleId: function() { + return this.chart.scale.id; + }, + + update: function(reset) { + var me = this; + var dataset = me.getDataset(); + var meta = me.getMeta(); + var start = me.chart.options.startAngle || 0; + var starts = me._starts = []; + var angles = me._angles = []; + var arcs = meta.data; + var i, ilen, angle; + + me._updateRadius(); + + meta.count = me.countVisibleElements(); + + for (i = 0, ilen = dataset.data.length; i < ilen; i++) { + starts[i] = start; + angle = me._computeAngle(i); + angles[i] = angle; + start += angle; + } + + for (i = 0, ilen = arcs.length; i < ilen; ++i) { + arcs[i]._options = me._resolveDataElementOptions(arcs[i], i); + me.updateElement(arcs[i], i, reset); + } + }, + + /** + * @private + */ + _updateRadius: function() { + var me = this; + var chart = me.chart; + var chartArea = chart.chartArea; + var opts = chart.options; + var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + + chart.outerRadius = Math.max(minSize / 2, 0); + chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); + chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); + + me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); + me.innerRadius = me.outerRadius - chart.radiusLength; + }, + + updateElement: function(arc, index, reset) { + var me = this; + var chart = me.chart; + var dataset = me.getDataset(); + var opts = chart.options; + var animationOpts = opts.animation; + var scale = chart.scale; + var labels = chart.data.labels; + + var centerX = scale.xCenter; + var centerY = scale.yCenter; + + // var negHalfPI = -0.5 * Math.PI; + var datasetStartAngle = opts.startAngle; + var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); + var startAngle = me._starts[index]; + var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); + + var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); + var options = arc._options || {}; + + helpers$1.extend(arc, { + // Utility + _datasetIndex: me.index, + _index: index, + _scale: scale, + + // Desired view properties + _model: { + backgroundColor: options.backgroundColor, + borderColor: options.borderColor, + borderWidth: options.borderWidth, + borderAlign: options.borderAlign, + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius: reset ? resetRadius : distance, + startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, + endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, + label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index]) + } + }); + + arc.pivot(); + }, + + countVisibleElements: function() { + var dataset = this.getDataset(); + var meta = this.getMeta(); + var count = 0; + + helpers$1.each(meta.data, function(element, index) { + if (!isNaN(dataset.data[index]) && !element.hidden) { + count++; + } + }); + + return count; + }, + + /** + * @protected + */ + setHoverStyle: function(arc) { + var model = arc._model; + var options = arc._options; + var getHoverColor = helpers$1.getHoverColor; + var valueOrDefault = helpers$1.valueOrDefault; + + arc.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + }; + + model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); + model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor)); + model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth); + }, + + /** + * @private + */ + _computeAngle: function(index) { + var me = this; + var count = this.getMeta().count; + var dataset = me.getDataset(); + var meta = me.getMeta(); + + if (isNaN(dataset.data[index]) || meta.data[index].hidden) { + return 0; + } + + // Scriptable options + var context = { + chart: me.chart, + dataIndex: index, + dataset: dataset, + datasetIndex: me.index + }; + + return resolve$3([ + me.chart.options.elements.arc.angle, + (2 * Math.PI) / count + ], context, index); + } + }); + + core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut)); + core_defaults._set('pie', { + cutoutPercentage: 0 + }); + + // Pie charts are Doughnut chart with different defaults + var controller_pie = controller_doughnut; + + var valueOrDefault$7 = helpers$1.valueOrDefault; + + core_defaults._set('radar', { + spanGaps: false, + scale: { + type: 'radialLinear' + }, + elements: { + line: { + fill: 'start', + tension: 0 // no bezier in radar + } + } + }); + + var controller_radar = core_datasetController.extend({ + datasetElementType: elements.Line, + + dataElementType: elements.Point, + + linkScales: helpers$1.noop, + + /** + * @private + */ + _datasetElementOptions: [ + 'backgroundColor', + 'borderWidth', + 'borderColor', + 'borderCapStyle', + 'borderDash', + 'borderDashOffset', + 'borderJoinStyle', + 'fill' + ], + + /** + * @private + */ + _dataElementOptions: { + backgroundColor: 'pointBackgroundColor', + borderColor: 'pointBorderColor', + borderWidth: 'pointBorderWidth', + hitRadius: 'pointHitRadius', + hoverBackgroundColor: 'pointHoverBackgroundColor', + hoverBorderColor: 'pointHoverBorderColor', + hoverBorderWidth: 'pointHoverBorderWidth', + hoverRadius: 'pointHoverRadius', + pointStyle: 'pointStyle', + radius: 'pointRadius', + rotation: 'pointRotation' + }, + + /** + * @private + */ + _getIndexScaleId: function() { + return this.chart.scale.id; + }, + + /** + * @private + */ + _getValueScaleId: function() { + return this.chart.scale.id; + }, + + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var line = meta.dataset; + var points = meta.data || []; + var scale = me.chart.scale; + var config = me._config; + var i, ilen; + + // Compatibility: If the properties are defined with only the old name, use those values + if (config.tension !== undefined && config.lineTension === undefined) { + config.lineTension = config.tension; + } + + // Utility + line._scale = scale; + line._datasetIndex = me.index; + // Data + line._children = points; + line._loop = true; + // Model + line._model = me._resolveDatasetElementOptions(line); + + line.pivot(); + + // Update Points + for (i = 0, ilen = points.length; i < ilen; ++i) { + me.updateElement(points[i], i, reset); + } + + // Update bezier control points + me.updateBezierControlPoints(); + + // Now pivot the point for animation + for (i = 0, ilen = points.length; i < ilen; ++i) { + points[i].pivot(); + } + }, + + updateElement: function(point, index, reset) { + var me = this; + var custom = point.custom || {}; + var dataset = me.getDataset(); + var scale = me.chart.scale; + var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); + var options = me._resolveDataElementOptions(point, index); + var lineModel = me.getMeta().dataset._model; + var x = reset ? scale.xCenter : pointPosition.x; + var y = reset ? scale.yCenter : pointPosition.y; + + // Utility + point._scale = scale; + point._options = options; + point._datasetIndex = me.index; + point._index = index; + + // Desired view properties + point._model = { + x: x, // value not used in dataset scale, but we want a consistent API between scales + y: y, + skip: custom.skip || isNaN(x) || isNaN(y), + // Appearance + radius: options.radius, + pointStyle: options.pointStyle, + rotation: options.rotation, + backgroundColor: options.backgroundColor, + borderColor: options.borderColor, + borderWidth: options.borderWidth, + tension: valueOrDefault$7(custom.tension, lineModel ? lineModel.tension : 0), + + // Tooltip + hitRadius: options.hitRadius + }; + }, + + /** + * @private + */ + _resolveDatasetElementOptions: function() { + var me = this; + var config = me._config; + var options = me.chart.options; + var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments); + + values.spanGaps = valueOrDefault$7(config.spanGaps, options.spanGaps); + values.tension = valueOrDefault$7(config.lineTension, options.elements.line.tension); + + return values; + }, + + updateBezierControlPoints: function() { + var me = this; + var meta = me.getMeta(); + var area = me.chart.chartArea; + var points = meta.data || []; + var i, ilen, model, controlPoints; + + // Only consider points that are drawn in case the spanGaps option is used + if (meta.dataset._model.spanGaps) { + points = points.filter(function(pt) { + return !pt._model.skip; + }); + } + + function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); + } + + for (i = 0, ilen = points.length; i < ilen; ++i) { + model = points[i]._model; + controlPoints = helpers$1.splineCurve( + helpers$1.previousItem(points, i, true)._model, + model, + helpers$1.nextItem(points, i, true)._model, + model.tension + ); + + // Prevent the bezier going outside of the bounds of the graph + model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right); + model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom); + model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right); + model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom); + } + }, + + setHoverStyle: function(point) { + var model = point._model; + var options = point._options; + var getHoverColor = helpers$1.getHoverColor; + + point.$previousStyle = { + backgroundColor: model.backgroundColor, + borderColor: model.borderColor, + borderWidth: model.borderWidth, + radius: model.radius + }; + + model.backgroundColor = valueOrDefault$7(options.hoverBackgroundColor, getHoverColor(options.backgroundColor)); + model.borderColor = valueOrDefault$7(options.hoverBorderColor, getHoverColor(options.borderColor)); + model.borderWidth = valueOrDefault$7(options.hoverBorderWidth, options.borderWidth); + model.radius = valueOrDefault$7(options.hoverRadius, options.radius); + } + }); + + core_defaults._set('scatter', { + hover: { + mode: 'single' + }, + + scales: { + xAxes: [{ + id: 'x-axis-1', // need an ID so datasets can reference the scale + type: 'linear', // scatter should not use a category axis + position: 'bottom' + }], + yAxes: [{ + id: 'y-axis-1', + type: 'linear', + position: 'left' + }] + }, + + tooltips: { + callbacks: { + title: function() { + return ''; // doesn't make sense for scatter since data are formatted as a point + }, + label: function(item) { + return '(' + item.xLabel + ', ' + item.yLabel + ')'; + } + } + } + }); + + core_defaults._set('global', { + datasets: { + scatter: { + showLine: false + } + } + }); + + // Scatter charts use line controllers + var controller_scatter = controller_line; + + // NOTE export a map in which the key represents the controller type, not + // the class, and so must be CamelCase in order to be correctly retrieved + // by the controller in core.controller.js (`controllers[meta.type]`). + + var controllers = { + bar: controller_bar, + bubble: controller_bubble, + doughnut: controller_doughnut, + horizontalBar: controller_horizontalBar, + line: controller_line, + polarArea: controller_polarArea, + pie: controller_pie, + radar: controller_radar, + scatter: controller_scatter + }; + + /** + * Helper function to get relative position for an event + * @param {Event|IEvent} event - The event to get the position for + * @param {Chart} chart - The chart + * @returns {object} the event position + */ + function getRelativePosition(e, chart) { + if (e.native) { + return { + x: e.x, + y: e.y + }; + } + + return helpers$1.getRelativePosition(e, chart); + } + + /** + * Helper function to traverse all of the visible elements in the chart + * @param {Chart} chart - the chart + * @param {function} handler - the callback to execute for each visible item + */ + function parseVisibleItems(chart, handler) { + var metasets = chart._getSortedVisibleDatasetMetas(); + var metadata, i, j, ilen, jlen, element; + + for (i = 0, ilen = metasets.length; i < ilen; ++i) { + metadata = metasets[i].data; + for (j = 0, jlen = metadata.length; j < jlen; ++j) { + element = metadata[j]; + if (!element._view.skip) { + handler(element); + } + } + } + } + + /** + * Helper function to get the items that intersect the event position + * @param {ChartElement[]} items - elements to filter + * @param {object} position - the point to be nearest to + * @return {ChartElement[]} the nearest items + */ + function getIntersectItems(chart, position) { + var elements = []; + + parseVisibleItems(chart, function(element) { + if (element.inRange(position.x, position.y)) { + elements.push(element); + } + }); + + return elements; + } + + /** + * Helper function to get the items nearest to the event position considering all visible items in teh chart + * @param {Chart} chart - the chart to look at elements from + * @param {object} position - the point to be nearest to + * @param {boolean} intersect - if true, only consider items that intersect the position + * @param {function} distanceMetric - function to provide the distance between points + * @return {ChartElement[]} the nearest items + */ + function getNearestItems(chart, position, intersect, distanceMetric) { + var minDistance = Number.POSITIVE_INFINITY; + var nearestItems = []; + + parseVisibleItems(chart, function(element) { + if (intersect && !element.inRange(position.x, position.y)) { + return; + } + + var center = element.getCenterPoint(); + var distance = distanceMetric(position, center); + if (distance < minDistance) { + nearestItems = [element]; + minDistance = distance; + } else if (distance === minDistance) { + // Can have multiple items at the same distance in which case we sort by size + nearestItems.push(element); + } + }); + + return nearestItems; + } + + /** + * Get a distance metric function for two points based on the + * axis mode setting + * @param {string} axis - the axis mode. x|y|xy + */ + function getDistanceMetricForAxis(axis) { + var useX = axis.indexOf('x') !== -1; + var useY = axis.indexOf('y') !== -1; + + return function(pt1, pt2) { + var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; + } + + function indexMode(chart, e, options) { + var position = getRelativePosition(e, chart); + // Default axis for index mode is 'x' to match old behaviour + options.axis = options.axis || 'x'; + var distanceMetric = getDistanceMetricForAxis(options.axis); + var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); + var elements = []; + + if (!items.length) { + return []; + } + + chart._getSortedVisibleDatasetMetas().forEach(function(meta) { + var element = meta.data[items[0]._index]; + + // don't count items that are skipped (null data) + if (element && !element._view.skip) { + elements.push(element); + } + }); + + return elements; + } + + /** + * @interface IInteractionOptions + */ + /** + * If true, only consider items that intersect the point + * @name IInterfaceOptions#boolean + * @type Boolean + */ + + /** + * Contains interaction related functions + * @namespace Chart.Interaction + */ + var core_interaction = { + // Helper function for different modes + modes: { + single: function(chart, e) { + var position = getRelativePosition(e, chart); + var elements = []; + + parseVisibleItems(chart, function(element) { + if (element.inRange(position.x, position.y)) { + elements.push(element); + return elements; + } + }); + + return elements.slice(0, 1); + }, + + /** + * @function Chart.Interaction.modes.label + * @deprecated since version 2.4.0 + * @todo remove at version 3 + * @private + */ + label: indexMode, + + /** + * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something + * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item + * @function Chart.Interaction.modes.index + * @since v2.4.0 + * @param {Chart} chart - the chart we are returning items from + * @param {Event} e - the event we are find things at + * @param {IInteractionOptions} options - options to use during interaction + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + index: indexMode, + + /** + * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something + * If the options.intersect is false, we find the nearest item and return the items in that dataset + * @function Chart.Interaction.modes.dataset + * @param {Chart} chart - the chart we are returning items from + * @param {Event} e - the event we are find things at + * @param {IInteractionOptions} options - options to use during interaction + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + dataset: function(chart, e, options) { + var position = getRelativePosition(e, chart); + options.axis = options.axis || 'xy'; + var distanceMetric = getDistanceMetricForAxis(options.axis); + var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); + + if (items.length > 0) { + items = chart.getDatasetMeta(items[0]._datasetIndex).data; + } + + return items; + }, + + /** + * @function Chart.Interaction.modes.x-axis + * @deprecated since version 2.4.0. Use index mode and intersect == true + * @todo remove at version 3 + * @private + */ + 'x-axis': function(chart, e) { + return indexMode(chart, e, {intersect: false}); + }, + + /** + * Point mode returns all elements that hit test based on the event position + * of the event + * @function Chart.Interaction.modes.intersect + * @param {Chart} chart - the chart we are returning items from + * @param {Event} e - the event we are find things at + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + point: function(chart, e) { + var position = getRelativePosition(e, chart); + return getIntersectItems(chart, position); + }, + + /** + * nearest mode returns the element closest to the point + * @function Chart.Interaction.modes.intersect + * @param {Chart} chart - the chart we are returning items from + * @param {Event} e - the event we are find things at + * @param {IInteractionOptions} options - options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + nearest: function(chart, e, options) { + var position = getRelativePosition(e, chart); + options.axis = options.axis || 'xy'; + var distanceMetric = getDistanceMetricForAxis(options.axis); + return getNearestItems(chart, position, options.intersect, distanceMetric); + }, + + /** + * x mode returns the elements that hit-test at the current x coordinate + * @function Chart.Interaction.modes.x + * @param {Chart} chart - the chart we are returning items from + * @param {Event} e - the event we are find things at + * @param {IInteractionOptions} options - options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + x: function(chart, e, options) { + var position = getRelativePosition(e, chart); + var items = []; + var intersectsItem = false; + + parseVisibleItems(chart, function(element) { + if (element.inXRange(position.x)) { + items.push(element); + } + + if (element.inRange(position.x, position.y)) { + intersectsItem = true; + } + }); + + // If we want to trigger on an intersect and we don't have any items + // that intersect the position, return nothing + if (options.intersect && !intersectsItem) { + items = []; + } + return items; + }, + + /** + * y mode returns the elements that hit-test at the current y coordinate + * @function Chart.Interaction.modes.y + * @param {Chart} chart - the chart we are returning items from + * @param {Event} e - the event we are find things at + * @param {IInteractionOptions} options - options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + y: function(chart, e, options) { + var position = getRelativePosition(e, chart); + var items = []; + var intersectsItem = false; + + parseVisibleItems(chart, function(element) { + if (element.inYRange(position.y)) { + items.push(element); + } + + if (element.inRange(position.x, position.y)) { + intersectsItem = true; + } + }); + + // If we want to trigger on an intersect and we don't have any items + // that intersect the position, return nothing + if (options.intersect && !intersectsItem) { + items = []; + } + return items; + } + } + }; + + var extend = helpers$1.extend; + + function filterByPosition(array, position) { + return helpers$1.where(array, function(v) { + return v.pos === position; + }); + } + + function sortByWeight(array, reverse) { + return array.sort(function(a, b) { + var v0 = reverse ? b : a; + var v1 = reverse ? a : b; + return v0.weight === v1.weight ? + v0.index - v1.index : + v0.weight - v1.weight; + }); + } + + function wrapBoxes(boxes) { + var layoutBoxes = []; + var i, ilen, box; + + for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) { + box = boxes[i]; + layoutBoxes.push({ + index: i, + box: box, + pos: box.position, + horizontal: box.isHorizontal(), + weight: box.weight + }); + } + return layoutBoxes; + } + + function setLayoutDims(layouts, params) { + var i, ilen, layout; + for (i = 0, ilen = layouts.length; i < ilen; ++i) { + layout = layouts[i]; + // store width used instead of chartArea.w in fitBoxes + layout.width = layout.horizontal + ? layout.box.fullWidth && params.availableWidth + : params.vBoxMaxWidth; + // store height used instead of chartArea.h in fitBoxes + layout.height = layout.horizontal && params.hBoxMaxHeight; + } + } + + function buildLayoutBoxes(boxes) { + var layoutBoxes = wrapBoxes(boxes); + var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); + var right = sortByWeight(filterByPosition(layoutBoxes, 'right')); + var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); + var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); + + return { + leftAndTop: left.concat(top), + rightAndBottom: right.concat(bottom), + chartArea: filterByPosition(layoutBoxes, 'chartArea'), + vertical: left.concat(right), + horizontal: top.concat(bottom) + }; + } + + function getCombinedMax(maxPadding, chartArea, a, b) { + return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); + } + + function updateDims(chartArea, params, layout) { + var box = layout.box; + var maxPadding = chartArea.maxPadding; + var newWidth, newHeight; + + if (layout.size) { + // this layout was already counted for, lets first reduce old size + chartArea[layout.pos] -= layout.size; + } + layout.size = layout.horizontal ? box.height : box.width; + chartArea[layout.pos] += layout.size; + + if (box.getPadding) { + var boxPadding = box.getPadding(); + maxPadding.top = Math.max(maxPadding.top, boxPadding.top); + maxPadding.left = Math.max(maxPadding.left, boxPadding.left); + maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); + maxPadding.right = Math.max(maxPadding.right, boxPadding.right); + } + + newWidth = params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right'); + newHeight = params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom'); + + if (newWidth !== chartArea.w || newHeight !== chartArea.h) { + chartArea.w = newWidth; + chartArea.h = newHeight; + + // return true if chart area changed in layout's direction + var sizes = layout.horizontal ? [newWidth, chartArea.w] : [newHeight, chartArea.h]; + return sizes[0] !== sizes[1] && (!isNaN(sizes[0]) || !isNaN(sizes[1])); + } + } + + function handleMaxPadding(chartArea) { + var maxPadding = chartArea.maxPadding; + + function updatePos(pos) { + var change = Math.max(maxPadding[pos] - chartArea[pos], 0); + chartArea[pos] += change; + return change; + } + chartArea.y += updatePos('top'); + chartArea.x += updatePos('left'); + updatePos('right'); + updatePos('bottom'); + } + + function getMargins(horizontal, chartArea) { + var maxPadding = chartArea.maxPadding; + + function marginForPositions(positions) { + var margin = {left: 0, top: 0, right: 0, bottom: 0}; + positions.forEach(function(pos) { + margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); + }); + return margin; + } + + return horizontal + ? marginForPositions(['left', 'right']) + : marginForPositions(['top', 'bottom']); + } + + function fitBoxes(boxes, chartArea, params) { + var refitBoxes = []; + var i, ilen, layout, box, refit, changed; + + for (i = 0, ilen = boxes.length; i < ilen; ++i) { + layout = boxes[i]; + box = layout.box; + + box.update( + layout.width || chartArea.w, + layout.height || chartArea.h, + getMargins(layout.horizontal, chartArea) + ); + if (updateDims(chartArea, params, layout)) { + changed = true; + if (refitBoxes.length) { + // Dimensions changed and there were non full width boxes before this + // -> we have to refit those + refit = true; + } + } + if (!box.fullWidth) { // fullWidth boxes don't need to be re-fitted in any case + refitBoxes.push(layout); + } + } + + return refit ? fitBoxes(refitBoxes, chartArea, params) || changed : changed; + } + + function placeBoxes(boxes, chartArea, params) { + var userPadding = params.padding; + var x = chartArea.x; + var y = chartArea.y; + var i, ilen, layout, box; + + for (i = 0, ilen = boxes.length; i < ilen; ++i) { + layout = boxes[i]; + box = layout.box; + if (layout.horizontal) { + box.left = box.fullWidth ? userPadding.left : chartArea.left; + box.right = box.fullWidth ? params.outerWidth - userPadding.right : chartArea.left + chartArea.w; + box.top = y; + box.bottom = y + box.height; + box.width = box.right - box.left; + y = box.bottom; + } else { + box.left = x; + box.right = x + box.width; + box.top = chartArea.top; + box.bottom = chartArea.top + chartArea.h; + box.height = box.bottom - box.top; + x = box.right; + } + } + + chartArea.x = x; + chartArea.y = y; + } + + core_defaults._set('global', { + layout: { + padding: { + top: 0, + right: 0, + bottom: 0, + left: 0 + } + } + }); + + /** + * @interface ILayoutItem + * @prop {string} position - The position of the item in the chart layout. Possible values are + * 'left', 'top', 'right', 'bottom', and 'chartArea' + * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area + * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down + * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) + * @prop {function} update - Takes two parameters: width and height. Returns size of item + * @prop {function} getPadding - Returns an object with padding on the edges + * @prop {number} width - Width of item. Must be valid after update() + * @prop {number} height - Height of item. Must be valid after update() + * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update + * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update + * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update + * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update + */ + + // The layout service is very self explanatory. It's responsible for the layout within a chart. + // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need + // It is this service's responsibility of carrying out that layout. + var core_layouts = { + defaults: {}, + + /** + * Register a box to a chart. + * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. + * @param {Chart} chart - the chart to use + * @param {ILayoutItem} item - the item to add to be layed out + */ + addBox: function(chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + + // initialize item with default values + item.fullWidth = item.fullWidth || false; + item.position = item.position || 'top'; + item.weight = item.weight || 0; + item._layers = item._layers || function() { + return [{ + z: 0, + draw: function() { + item.draw.apply(item, arguments); + } + }]; + }; + + chart.boxes.push(item); + }, + + /** + * Remove a layoutItem from a chart + * @param {Chart} chart - the chart to remove the box from + * @param {ILayoutItem} layoutItem - the item to remove from the layout + */ + removeBox: function(chart, layoutItem) { + var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index !== -1) { + chart.boxes.splice(index, 1); + } + }, + + /** + * Sets (or updates) options on the given `item`. + * @param {Chart} chart - the chart in which the item lives (or will be added to) + * @param {ILayoutItem} item - the item to configure with the given options + * @param {object} options - the new item options. + */ + configure: function(chart, item, options) { + var props = ['fullWidth', 'position', 'weight']; + var ilen = props.length; + var i = 0; + var prop; + + for (; i < ilen; ++i) { + prop = props[i]; + if (options.hasOwnProperty(prop)) { + item[prop] = options[prop]; + } + } + }, + + /** + * Fits boxes of the given chart into the given size by having each box measure itself + * then running a fitting algorithm + * @param {Chart} chart - the chart + * @param {number} width - the width to fit into + * @param {number} height - the height to fit into + */ + update: function(chart, width, height) { + if (!chart) { + return; + } + + var layoutOptions = chart.options.layout || {}; + var padding = helpers$1.options.toPadding(layoutOptions.padding); + + var availableWidth = width - padding.width; + var availableHeight = height - padding.height; + var boxes = buildLayoutBoxes(chart.boxes); + var verticalBoxes = boxes.vertical; + var horizontalBoxes = boxes.horizontal; + + // Essentially we now have any number of boxes on each of the 4 sides. + // Our canvas looks like the following. + // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and + // B1 is the bottom axis + // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays + // These locations are single-box locations only, when trying to register a chartArea location that is already taken, + // an error will be thrown. + // + // |----------------------------------------------------| + // | T1 (Full Width) | + // |----------------------------------------------------| + // | | | T2 | | + // | |----|-------------------------------------|----| + // | | | C1 | | C2 | | + // | | |----| |----| | + // | | | | | + // | L1 | L2 | ChartArea (C0) | R1 | + // | | | | | + // | | |----| |----| | + // | | | C3 | | C4 | | + // | |----|-------------------------------------|----| + // | | | B1 | | + // |----------------------------------------------------| + // | B2 (Full Width) | + // |----------------------------------------------------| + // + + var params = Object.freeze({ + outerWidth: width, + outerHeight: height, + padding: padding, + availableWidth: availableWidth, + vBoxMaxWidth: availableWidth / 2 / verticalBoxes.length, + hBoxMaxHeight: availableHeight / 2 + }); + var chartArea = extend({ + maxPadding: extend({}, padding), + w: availableWidth, + h: availableHeight, + x: padding.left, + y: padding.top + }, padding); + + setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); + + // First fit vertical boxes + fitBoxes(verticalBoxes, chartArea, params); + + // Then fit horizontal boxes + if (fitBoxes(horizontalBoxes, chartArea, params)) { + // if the area changed, re-fit vertical boxes + fitBoxes(verticalBoxes, chartArea, params); + } + + handleMaxPadding(chartArea); + + // Finally place the boxes to correct coordinates + placeBoxes(boxes.leftAndTop, chartArea, params); + + // Move to opposite side of chart + chartArea.x += chartArea.w; + chartArea.y += chartArea.h; + + placeBoxes(boxes.rightAndBottom, chartArea, params); + + chart.chartArea = { + left: chartArea.left, + top: chartArea.top, + right: chartArea.left + chartArea.w, + bottom: chartArea.top + chartArea.h + }; + + // Finally update boxes in chartArea (radial scale for example) + helpers$1.each(boxes.chartArea, function(layout) { + var box = layout.box; + extend(box, chart.chartArea); + box.update(chartArea.w, chartArea.h); + }); + } + }; + + /** + * Platform fallback implementation (minimal). + * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 + */ + + var platform_basic = { + acquireContext: function(item) { + if (item && item.canvas) { + // Support for any object associated to a canvas (including a context2d) + item = item.canvas; + } + + return item && item.getContext('2d') || null; + } + }; + + var 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"; + + var platform_dom$1 = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': platform_dom + }); + + var stylesheet = getCjsExportFromNamespace(platform_dom$1); + + var EXPANDO_KEY = '$chartjs'; + var CSS_PREFIX = 'chartjs-'; + var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor'; + var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; + var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; + var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; + + /** + * DOM event types -> Chart.js event types. + * Note: only events with different types are mapped. + * @see https://developer.mozilla.org/en-US/docs/Web/Events + */ + var EVENT_TYPES = { + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' + }; + + /** + * The "used" size is the final value of a dimension property after all calculations have + * been performed. This method uses the computed style of `element` but returns undefined + * if the computed style is not expressed in pixels. That can happen in some cases where + * `element` has a size relative to its parent and this last one is not yet displayed, + * for example because of `display: none` on a parent node. + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value + * @returns {number} Size in pixels or undefined if unknown. + */ + function readUsedSize(element, property) { + var value = helpers$1.getStyle(element, property); + var matches = value && value.match(/^(\d+)(\.\d+)?px$/); + return matches ? Number(matches[1]) : undefined; + } + + /** + * Initializes the canvas style and render size without modifying the canvas display size, + * since responsiveness is handled by the controller.resize() method. The config is used + * to determine the aspect ratio to apply in case no explicit height has been specified. + */ + function initCanvas(canvas, config) { + var style = canvas.style; + + // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it + // returns null or '' if no explicit value has been set to the canvas attribute. + var renderHeight = canvas.getAttribute('height'); + var renderWidth = canvas.getAttribute('width'); + + // Chart.js modifies some canvas values that we want to restore on destroy + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + + // Force canvas to display as block to avoid extra space caused by inline + // elements, which would interfere with the responsive resize process. + // https://github.com/chartjs/Chart.js/issues/2538 + style.display = style.display || 'block'; + + if (renderWidth === null || renderWidth === '') { + var displayWidth = readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + + if (renderHeight === null || renderHeight === '') { + if (canvas.style.height === '') { + // If no explicit render height and style height, let's apply the aspect ratio, + // which one can be specified by the user but also by charts as default option + // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. + canvas.height = canvas.width / (config.options.aspectRatio || 2); + } else { + var displayHeight = readUsedSize(canvas, 'height'); + if (displayWidth !== undefined) { + canvas.height = displayHeight; + } + } + } + + return canvas; + } + + /** + * Detects support for options object argument in addEventListener. + * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support + * @private + */ + var supportsEventListenerOptions = (function() { + var supports = false; + try { + var options = Object.defineProperty({}, 'passive', { + // eslint-disable-next-line getter-return + get: function() { + supports = true; + } + }); + window.addEventListener('e', null, options); + } catch (e) { + // continue regardless of error + } + return supports; + }()); + + // Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. + // https://github.com/chartjs/Chart.js/issues/4287 + var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; + + function addListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); + } + + function removeListener(node, type, listener) { + node.removeEventListener(type, listener, eventListenerOptions); + } + + function createEvent(type, chart, x, y, nativeEvent) { + return { + type: type, + chart: chart, + native: nativeEvent || null, + x: x !== undefined ? x : null, + y: y !== undefined ? y : null, + }; + } + + function fromNativeEvent(event, chart) { + var type = EVENT_TYPES[event.type] || event.type; + var pos = helpers$1.getRelativePosition(event, chart); + return createEvent(type, chart, pos.x, pos.y, event); + } + + function throttled(fn, thisArg) { + var ticking = false; + var args = []; + + return function() { + args = Array.prototype.slice.call(arguments); + thisArg = thisArg || this; + + if (!ticking) { + ticking = true; + helpers$1.requestAnimFrame.call(window, function() { + ticking = false; + fn.apply(thisArg, args); + }); + } + }; + } + + function createDiv(cls) { + var el = document.createElement('div'); + el.className = cls || ''; + return el; + } + + // Implementation based on https://github.com/marcj/css-element-queries + function createResizer(handler) { + var maxSize = 1000000; + + // NOTE(SB) Don't use innerHTML because it could be considered unsafe. + // https://github.com/chartjs/Chart.js/issues/5902 + var resizer = createDiv(CSS_SIZE_MONITOR); + var expand = createDiv(CSS_SIZE_MONITOR + '-expand'); + var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink'); + + expand.appendChild(createDiv()); + shrink.appendChild(createDiv()); + + resizer.appendChild(expand); + resizer.appendChild(shrink); + resizer._reset = function() { + expand.scrollLeft = maxSize; + expand.scrollTop = maxSize; + shrink.scrollLeft = maxSize; + shrink.scrollTop = maxSize; + }; + + var onScroll = function() { + resizer._reset(); + handler(); + }; + + addListener(expand, 'scroll', onScroll.bind(expand, 'expand')); + addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); + + return resizer; + } + + // https://davidwalsh.name/detect-node-insertion + function watchForRender(node, handler) { + var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); + var proxy = expando.renderProxy = function(e) { + if (e.animationName === CSS_RENDER_ANIMATION) { + handler(); + } + }; + + helpers$1.each(ANIMATION_START_EVENTS, function(type) { + addListener(node, type, proxy); + }); + + // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class + // is removed then added back immediately (same animation frame?). Accessing the + // `offsetParent` property will force a reflow and re-evaluate the CSS animation. + // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics + // https://github.com/chartjs/Chart.js/issues/4737 + expando.reflow = !!node.offsetParent; + + node.classList.add(CSS_RENDER_MONITOR); + } + + function unwatchForRender(node) { + var expando = node[EXPANDO_KEY] || {}; + var proxy = expando.renderProxy; + + if (proxy) { + helpers$1.each(ANIMATION_START_EVENTS, function(type) { + removeListener(node, type, proxy); + }); + + delete expando.renderProxy; + } + + node.classList.remove(CSS_RENDER_MONITOR); + } + + function addResizeListener(node, listener, chart) { + var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); + + // Let's keep track of this added resizer and thus avoid DOM query when removing it. + var resizer = expando.resizer = createResizer(throttled(function() { + if (expando.resizer) { + var container = chart.options.maintainAspectRatio && node.parentNode; + var w = container ? container.clientWidth : 0; + listener(createEvent('resize', chart)); + if (container && container.clientWidth < w && chart.canvas) { + // If the container size shrank during chart resize, let's assume + // scrollbar appeared. So we resize again with the scrollbar visible - + // effectively making chart smaller and the scrollbar hidden again. + // Because we are inside `throttled`, and currently `ticking`, scroll + // events are ignored during this whole 2 resize process. + // If we assumed wrong and something else happened, we are resizing + // twice in a frame (potential performance issue) + listener(createEvent('resize', chart)); + } + } + })); + + // The resizer needs to be attached to the node parent, so we first need to be + // sure that `node` is attached to the DOM before injecting the resizer element. + watchForRender(node, function() { + if (expando.resizer) { + var container = node.parentNode; + if (container && container !== resizer.parentNode) { + container.insertBefore(resizer, container.firstChild); + } + + // The container size might have changed, let's reset the resizer state. + resizer._reset(); + } + }); + } + + function removeResizeListener(node) { + var expando = node[EXPANDO_KEY] || {}; + var resizer = expando.resizer; + + delete expando.resizer; + unwatchForRender(node); + + if (resizer && resizer.parentNode) { + resizer.parentNode.removeChild(resizer); + } + } + + /** + * Injects CSS styles inline if the styles are not already present. + * @param {HTMLDocument|ShadowRoot} rootNode - the node to contain the