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webpack.config.js
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webpack.config.js
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/* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This is the main configuration file for webpack.
// See: https://webpack.js.org/configuration/
const path = require("path");
const zlib = require("zlib");
const glob = require("glob");
const rtlcss = require("rtlcss");
const CompressionPlugin = require("compression-webpack-plugin");
const CopyPlugin = require("copy-webpack-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const ImageMinimizerPlugin = require("image-minimizer-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const ProvidePlugin = require("webpack").ProvidePlugin;
const RemoveEmptyScriptsPlugin = require("webpack-remove-empty-scripts");
const { WebpackManifestPlugin } = require("webpack-manifest-plugin");
/* Shared Plugins */
const sharedCompressionPlugins = [
new CompressionPlugin({
filename: "[path][base].gz",
algorithm: "gzip",
compressionOptions: { level: 9, memLevel: 9 },
// Only compress files that will actually be smaller when compressed.
minRatio: 1,
}),
/* TODO: Add plugins to compress brotli for text/font files vs the generic
Use BROTLI_MODE_TEXT/BROTLI_MODE_FONT and add a `test` qualifier. */
new CompressionPlugin({
filename: "[path][base].br",
algorithm: "brotliCompress",
compressionOptions: {
params: {
[zlib.constants.BROTLI_PARAM_QUALITY]: 11,
},
},
// Only compress files that will actually be smaller when compressed.
minRatio: 1,
}),
];
const sharedCSSPlugins = [
new MiniCssExtractPlugin({
// Places CSS into a subdirectory
filename: "css/[name].[contenthash].css",
}),
new RemoveEmptyScriptsPlugin(),
];
const sharedWebpackManifestPlugins = [
new WebpackManifestPlugin({
// Replace each entry with a prefix of a subdirectory.
// NOTE: This could be removed if we update the HTML to use the non-prefixed
// paths.
map: (file) => {
// if the filename matches .js or .js.map, add js/ prefix if not already present
if (file.name.match(/\.js(\.map)?$/)) {
if (!file.name.startsWith("js/")) {
file.name = `js/${file.name}`; // eslint-disable-line no-param-reassign
}
}
// if the filename matches .css or .css.map, add a prefix of css/
if (file.name.match(/\.css(\.map)?$/)) {
file.name = `css/${file.name}`; // eslint-disable-line no-param-reassign
}
return file;
},
// Refs: https://github.com/shellscape/webpack-manifest-plugin/issues/229#issuecomment-737617994
publicPath: "",
}),
];
/* End Shared Plugins */
const sharedResolve = {
alias: {
// Use an alias to make inline non-relative `@import` statements.
warehouse: path.resolve(__dirname, "warehouse/static/js/warehouse"),
},
};
module.exports = [
{
name: "warehouse",
experiments: {
// allow us to manage RTL CSS as a separate file
layers: true,
},
plugins: [
new CopyPlugin({
patterns: [
{
// Most images are not referenced in JS/CSS, copy them manually.
from: path.resolve(__dirname, "warehouse/static/images/*"),
to: "images/[name].[contenthash][ext]",
},
{
// Copy vendored zxcvbn code
from: path.resolve(__dirname, "warehouse/static/js/vendor/zxcvbn.js"),
to: "js/vendor/[name].[contenthash][ext]",
},
],
}),
...sharedCompressionPlugins,
...sharedCSSPlugins,
...sharedWebpackManifestPlugins,
],
resolve: sharedResolve,
entry: {
// Webpack will create a bundle for each entry point.
/* JavaScript */
warehouse: {
import: "./warehouse/static/js/warehouse/index.js",
// override the filename from `index` to `warehouse`
filename: "js/warehouse.[contenthash].js",
},
/* CSS */
noscript: "./warehouse/static/sass/noscript.scss",
// Default CSS
"warehouse-ltr": "./warehouse/static/sass/warehouse.scss",
// NOTE: Duplicate RTL CSS target. There's no clean way to generate both
// without duplicating the entry point right now.
"warehouse-rtl": {
import: "./warehouse/static/sass/warehouse.scss",
layer: "rtl",
},
/* Vendor Stuff */
fontawesome: "./warehouse/static/sass/vendor/fontawesome.scss",
},
// The default source map. Slowest, but best production-build optimizations.
// See: https://webpack.js.org/configuration/devtool
devtool: "source-map",
output: {
// remove old files
clean: true,
// Matches current behavior. Defaults to 20. 16 in the future.
hashDigestLength: 8,
// Global filename template for all assets. Other assets MUST override.
filename: "[name].[contenthash].js",
// Global output path for all assets.
path: path.resolve(__dirname, "warehouse/static/dist"),
},
module: {
rules: [
{
// Handle SASS/SCSS/CSS files
test: /\.(sa|sc|c)ss$/,
// NOTE: Order is important here, as the first match wins
oneOf: [
{
// For the `rtl` file, needs postcss processing
layer: "rtl",
issuerLayer: "rtl",
use: [
MiniCssExtractPlugin.loader,
"css-loader",
{
loader: "postcss-loader",
options: {
postcssOptions: {
plugins: [rtlcss()],
},
},
},
"sass-loader",
],
},
{
// All other CSS files
use: [
// Extracts CSS into separate files
MiniCssExtractPlugin.loader,
// Translates CSS into CommonJS
"css-loader",
// Translate SCSS to CSS
"sass-loader",
],
},
],
},
{
// Handle image files
test: /\.(png|svg|jpg|jpeg|gif)$/i,
// disables data URL inline encoding images into CSS,
// since it violates our CSP settings.
type: "asset/resource",
generator: {
filename: "images/[name].[contenthash][ext]",
},
},
{
// Handle font files
test: /\.(woff|woff2|eot|ttf|otf)$/i,
type: "asset/resource",
generator: {
filename: "webfonts/[name].[contenthash][ext]",
},
},
],
},
optimization: {
minimizer: [
// default minimizer is Terser for JS. Extend here vs overriding.
"...",
// Minimize CSS
new CssMinimizerPlugin({
minimizerOptions: {
preset: [
"default",
{
discardComments: { removeAll: true },
},
],
},
}),
// Minimize Images when `mode` is `production`
new ImageMinimizerPlugin({
test: /\.(png|jpg|jpeg|gif)$/i,
minimizer: {
implementation: ImageMinimizerPlugin.sharpMinify,
},
generator: [
{
// Apply generator for copied assets
type: "asset",
implementation: ImageMinimizerPlugin.sharpGenerate,
options: {
encodeOptions: {
webp: {
quality: 90,
},
},
},
},
],
}),
new ImageMinimizerPlugin({
test: /\.(svg)$/i,
minimizer: {
implementation: ImageMinimizerPlugin.svgoMinify,
options: {
encodeOptions: {
// Pass over SVGs multiple times to ensure all optimizations are applied. False by default
multipass: true,
plugins: [
// set of built-in plugins enabled by default
// see: https://github.com/svg/svgo#default-preset
"preset-default",
],
},
},
},
}),
],
},
},
{
name: "admin",
plugins: [
...sharedCompressionPlugins,
...sharedCSSPlugins,
...sharedWebpackManifestPlugins,
// admin site dependencies use jQuery
new ProvidePlugin({
$: "jquery",
jQuery: "jquery",
}),
],
resolve: sharedResolve,
entry: {
admin: {
import: "./warehouse/admin/static/js/warehouse.js",
filename: "js/admin.[contenthash].js",
},
all: {
import: "./warehouse/admin/static/css/admin.scss",
},
},
devtool: "source-map",
output: {
clean: true,
hashDigestLength: 8,
filename: "[name].[contenthash].js",
path: path.resolve(__dirname, "warehouse/admin/static/dist"),
},
module: {
rules: [
{
test: /\.(sa|sc|c)ss$/,
use: [
MiniCssExtractPlugin.loader,
"css-loader",
"sass-loader",
],
},
{
// Handle image files
test: /\.(png|svg|jpg|jpeg|gif)$/i,
// disables data URL inline encoding images into CSS,
// since it violates our CSP settings.
type: "asset/resource",
generator: {
filename: "images/[name].[contenthash][ext]",
},
},
{
test: /\.(woff|woff2|eot|ttf|otf)$/i,
type: "asset/resource",
generator: {
filename: "fonts/[name].[contenthash][ext]",
},
},
],
},
},
];