element-web/webpack.config.js

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var path = require('path');
var webpack = require('webpack');
var ExtractTextPlugin = require("extract-text-webpack-plugin");
var HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
entry: {
"bundle": "./src/vector/index.js",
// We ship olm.js as a separate lump of javascript. This makes it get
// loaded via a separate <script/> tag in index.html (which loads it
// into the browser global `Olm`), and define it as an external below.
//
// (we should probably make js-sdk load it asynchronously at some
// point, so that it doesn't block the pageload, but that is a separate
// problem)
"olm": "./src/vector/olm-loader.js",
},
module: {
preLoaders: [
{ test: /\.js$/, loader: "source-map-loader" }
],
loaders: [
{ test: /\.json$/, loader: "json" },
{ test: /\.js$/, loader: "babel", include: path.resolve('./src') },
// css-raw-loader loads CSS but doesn't try to treat url()s as require()s
{ test: /\.css$/, loader: ExtractTextPlugin.extract("css-raw-loader") },
],
noParse: [
// don't parse the languages within highlight.js. They cause stack
// overflows (https://github.com/webpack/webpack/issues/1721), and
// there is no need for webpack to parse them - they can just be
// included as-is.
/highlight\.js\/lib\/languages/,
// olm takes ages for webpack to process, and it's already heavily
// optimised, so there is little to gain by us uglifying it.
/olm\/(javascript\/)?olm\.js$/,
],
},
output: {
path: path.join(__dirname, "webapp"),
// the generated js (and CSS, from the ExtractTextPlugin) are put in a
// unique subdirectory for the build. There will only be one such
// 'bundle' directory in the generated tarball; however, hosting
// servers can collect 'bundles' from multiple versions into one
// directory and symlink it into place - this allows users who loaded
// an older version of the application to continue to access webpack
// chunks even after the app is redeployed.
//
filename: "bundles/[hash]/[name].js",
chunkFilename: "bundles/[hash]/[name].js",
devtoolModuleFilenameTemplate: function(info) {
// Reading input source maps gives only relative paths here for
// everything. Until I figure out how to fix this, this is a
// workaround.
// We use the relative resource path with any '../'s on the front
// removed which gives a tree with matrix-react-sdk and vector
// trees smashed together, but this fixes everything being under
// various levels of '.' and '..'
// Also, sometimes the resource path is absolute.
return path.relative(process.cwd(), info.resourcePath).replace(/^[\/\.]*/, '');
}
},
resolve: {
alias: {
// alias any requires to the react module to the one in our path, otherwise
// we tend to get the react source included twice when using npm link.
"react": path.resolve('./node_modules/react'),
"react-dom": path.resolve('./node_modules/react-dom'),
"react-addons-perf": path.resolve('./node_modules/react-addons-perf'),
// same goes for js-sdk
"matrix-js-sdk": path.resolve('./node_modules/matrix-js-sdk'),
},
},
externals: {
"olm": "Olm",
// Don't try to bundle electron: leave it as a commonjs dependency
// (the 'commonjs' here means it will output a 'require')
"electron": "commonjs electron",
},
plugins: [
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: JSON.stringify(process.env.NODE_ENV)
}
}),
new ExtractTextPlugin(
"bundles/[hash]/[name].css",
{
allChunks: true
}
),
new HtmlWebpackPlugin({
template: './src/vector/index.html',
// we inject the links ourselves via the template, because
// HtmlWebpackPlugin wants to put the script tags either at the
// bottom of <head> or the bottom of <body>, and I'm a bit scared
// about moving them.
inject: false,
}),
],
devtool: 'source-map',
// configuration for the webpack-dev-server
devServer: {
// serve unwebpacked assets from webapp.
contentBase: './webapp',
},
};
// olm is an optional dependency. Ignore it if it's not installed, to avoid a
// scary-looking error.
try {
require('olm');
} catch (e) {
console.log("Olm is not installed; not shipping it");
delete(module.exports.entry["olm"]);
}