element-web/webpack.config.js
J. Ryan Stinnett cf0b2816c1 Only CSS references need to traverse
The path adjustment for assets in bundles is only needed with CSS files.  Paths
referenced in JS files are written to elements, where they are relative to the
document.
2019-01-18 15:59:29 -06:00

200 lines
8.4 KiB
JavaScript

const path = require('path');
const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
let og_image_url = process.env.RIOT_OG_IMAGE_URL;
if (!og_image_url) og_image_url = 'https://riot.im/app/themes/riot/img/logos/riot-im-logo-1.png';
module.exports = {
entry: {
// Load babel-polyfill first to avoid issues where some imports (namely react)
// are potentially loaded before babel-polyfill.
"bundle": ["babel-polyfill", "./src/vector/index.js"],
"indexeddb-worker": "./src/vector/indexeddb-worker.js",
"mobileguide": "./src/vector/mobile_guide/index.js",
// CSS themes
"theme-light": "./node_modules/matrix-react-sdk/res/themes/light/css/light.scss",
"theme-dark": "./node_modules/matrix-react-sdk/res/themes/dark/css/dark.scss",
"theme-dharma": "./node_modules/matrix-react-sdk/res/themes/dharma/css/dharma.scss",
"theme-status": "./res/themes/status/css/status.scss",
},
module: {
rules: [
{ enforce: 'pre', test: /\.js$/, use: "source-map-loader", exclude: /node_modules/, },
{ test: /\.js$/, use: "babel-loader", include: path.resolve(__dirname, 'src') },
{
test: /\.scss$/,
// 1. postcss-loader turns the SCSS into normal CSS.
// 2. css-loader turns the CSS into a JS module whose default
// export is a string containing the CSS, while also adding
// the images and fonts from CSS as Webpack inputs.
// 3. ExtractTextPlugin turns that string into a separate asset.
use: ExtractTextPlugin.extract({
use: [
"css-loader",
{
loader: 'postcss-loader',
options: {
config: {
path: './postcss.config.js',
},
},
},
],
}),
},
{
// this works similarly to the scss case, without postcss.
test: /\.css$/,
use: ExtractTextPlugin.extract({
use: "css-loader",
}),
},
{
test: /\.(gif|png|svg|ttf)$/,
// Use a content-based hash in the name so that we can set a long cache
// lifetime for assets while still delivering changes quickly.
oneOf: [
{
// Images referenced in CSS files
issuer: /\.(scss|css)$/,
loader: 'file-loader',
options: {
name: '[name].[hash:7].[ext]',
outputPath: getImgOutputPath,
publicPath: function(url, resourcePath) {
// CSS image usages end up in the `bundles/[hash]` output
// directory, so we adjust the final path to navigate up
// twice.
return path.join("../..", getImgOutputPath(url, resourcePath));
},
},
},
{
// Images referenced in HTML and JS files
loader: 'file-loader',
options: {
name: '[name].[hash:7].[ext]',
outputPath: getImgOutputPath,
},
},
],
},
],
noParse: [
// for cross platform compatibility use [\\\/] as the path separator
// this ensures that the regex trips on both Windows and *nix
// 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'),
},
},
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,
excludeChunks: ['mobileguide'],
vars: {
og_image_url: og_image_url,
},
}),
new HtmlWebpackPlugin({
template: './src/vector/mobile_guide/index.html',
filename: 'mobile_guide/index.html',
chunks: ['mobileguide'],
}),
],
devtool: 'source-map',
// configuration for the webpack-dev-server
devServer: {
// serve unwebpacked assets from webapp.
contentBase: './webapp',
stats: {
// don't fill the console up with a mahoosive list of modules
chunks: false,
},
// hot mdule replacement doesn't work (I think we'd need react-hot-reload?)
// so webpack-dev-server reloads the page on every update which is quite
// tedious in Riot since that can take a while.
hot: false,
inline: false,
},
};
/**
* Merge assets found via CSS and imports into a single tree, while also preserving
* directories under `res`.
*
* @param {string} url The adjusted name of the file, such as `warning.1234567.svg`.
* @param {string} resourcePath The absolute path to the source file with unmodified name.
* @return {string} The returned paths will look like `img/warning.1234567.svg`.
*/
function getImgOutputPath(url, resourcePath) {
const prefix = /^.*[/\\]res[/\\]/;
const outputDir = path.dirname(resourcePath).replace(prefix, "");
return path.join(outputDir, path.basename(url));
}