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webpack.config.js
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/* eslint-env node */
/* eslint-disable import/no-commonjs */
/* eslint-disable import/order */
const NodePolyfillPlugin = require("node-polyfill-webpack-plugin");
const webpack = require("webpack");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const HtmlWebpackHarddiskPlugin = require("html-webpack-harddisk-plugin");
const TerserPlugin = require("terser-webpack-plugin");
const WebpackNotifierPlugin = require("webpack-notifier");
const ReactRefreshPlugin = require("@pmmmwh/react-refresh-webpack-plugin");
const fs = require("fs");
const ASSETS_PATH = __dirname + "/resources/frontend_client/app/assets";
const FONTS_PATH = __dirname + "/resources/frontend_client/app/fonts";
const SRC_PATH = __dirname + "/frontend/src/metabase";
const LIB_SRC_PATH = __dirname + "/frontend/src/metabase-lib";
const ENTERPRISE_SRC_PATH =
__dirname + "/enterprise/frontend/src/metabase-enterprise";
const TYPES_SRC_PATH = __dirname + "/frontend/src/metabase-types";
const CLJS_SRC_PATH = __dirname + "/frontend/src/cljs_release";
const CLJS_SRC_PATH_DEV = __dirname + "/frontend/src/cljs";
const TEST_SUPPORT_PATH = __dirname + "/frontend/test/__support__";
const BUILD_PATH = __dirname + "/resources/frontend_client";
const E2E_PATH = __dirname + "/e2e";
// default WEBPACK_BUNDLE to development
const WEBPACK_BUNDLE = process.env.WEBPACK_BUNDLE || "development";
const devMode = WEBPACK_BUNDLE !== "production";
const useFilesystemCache = process.env.FS_CACHE === "true";
const shouldUseEslint =
process.env.WEBPACK_BUNDLE !== "production" &&
process.env.USE_ESLINT === "true";
// Babel:
const BABEL_CONFIG = {
cacheDirectory: process.env.BABEL_DISABLE_CACHE ? false : ".babel_cache",
};
const CSS_CONFIG = {
localIdentName: devMode
? "[name]__[local]___[hash:base64:5]"
: "[hash:base64:5]",
importLoaders: 1,
};
const config = (module.exports = {
mode: devMode ? "development" : "production",
context: SRC_PATH,
// output a bundle for the app JS and a bundle for styles
// eventually we should have multiple (single file) entry points for various pieces of the app to enable code splitting
entry: {
"app-main": "./app-main.js",
"app-public": "./app-public.js",
"app-embed": "./app-embed.js",
styles: "./css/index.css",
},
externals: {
canvg: "canvg",
dompurify: "dompurify",
},
// output to "dist"
output: {
path: BUILD_PATH + "/app/dist",
// NOTE: the filename on disk won't include "?[chunkhash]" but the URL in index.html generated by HtmlWebpackPlugin will:
filename: "[name].bundle.js?[chunkhash]",
publicPath: "app/dist/",
},
module: {
rules: [
{
test: /\.(tsx?|jsx?)$/,
exclude: /node_modules|cljs/,
use: [{ loader: "babel-loader", options: BABEL_CONFIG }],
},
...(shouldUseEslint
? [
{
test: /\.(tsx?|jsx?)$/,
exclude: /node_modules|cljs|\.spec\.js/,
use: [
{
loader: "eslint-loader",
options: {
rulePaths: [__dirname + "/frontend/lint/eslint-rules"],
},
},
],
},
]
: []),
{
test: /\.(eot|woff2?|ttf|svg|png)$/,
type: "asset/resource",
resourceQuery: { not: [/component|source/] },
},
{
test: /\.css$/,
use: [
devMode
? "style-loader"
: {
loader: MiniCssExtractPlugin.loader,
options: {
publicPath: "./",
},
},
{ loader: "css-loader", options: CSS_CONFIG },
{ loader: "postcss-loader" },
],
},
{
test: /\.js$/,
exclude: /node_modules/,
enforce: "pre",
use: ["source-map-loader"],
},
{
test: /\.svg/,
type: "asset/source",
resourceQuery: /source/, // *.svg?source
},
{
test: /\.svg$/i,
issuer: /\.[jt]sx?$/,
resourceQuery: /component/, // *.svg?component
use: [
{
loader: "@svgr/webpack",
options: {
ref: true,
},
},
],
},
],
},
resolve: {
extensions: [
".webpack.js",
".web.js",
".js",
".jsx",
".ts",
".tsx",
".css",
".svg",
],
alias: {
assets: ASSETS_PATH,
fonts: FONTS_PATH,
metabase: SRC_PATH,
"metabase-lib": LIB_SRC_PATH,
"metabase-enterprise": ENTERPRISE_SRC_PATH,
"metabase-types": TYPES_SRC_PATH,
"metabase-dev": `${SRC_PATH}/dev${devMode ? "" : "-noop"}.js`,
cljs: devMode ? CLJS_SRC_PATH_DEV : CLJS_SRC_PATH,
__support__: TEST_SUPPORT_PATH,
e2e: E2E_PATH,
style: SRC_PATH + "/css/core/index",
ace: __dirname + "/node_modules/ace-builds/src-min-noconflict",
// NOTE @kdoh - 7/24/18
// icepick 2.x is es6 by defalt, to maintain backwards compatability
// with ie11 point to the minified version
icepick: __dirname + "/node_modules/icepick/icepick.min",
// conditionally load either the EE plugins file or a empty file in the CE code tree
"ee-plugins":
process.env.MB_EDITION === "ee"
? ENTERPRISE_SRC_PATH + "/plugins"
: SRC_PATH + "/lib/noop",
"ee-overrides":
process.env.MB_EDITION === "ee"
? ENTERPRISE_SRC_PATH + "/overrides"
: SRC_PATH + "/lib/noop",
},
},
cache: useFilesystemCache
? {
type: "filesystem",
buildDependencies: {
// invalidates the cache on configuration change
config: [__filename],
},
}
: undefined,
optimization: {
runtimeChunk: "single",
splitChunks: {
cacheGroups: {
vendors: {
test: /[\\/]node_modules[\\/]/,
chunks: "all",
name: "vendor",
},
},
},
},
plugins: [
// Extracts initial CSS into a standard stylesheet that can be loaded in parallel with JavaScript
// NOTE: the filename on disk won't include "?[chunkhash]" but the URL in index.html generated by HtmlWebpackPlugin will:
new MiniCssExtractPlugin({
filename: devMode ? "[name].css" : "[name].css?[contenthash]",
chunkFilename: devMode ? "[id].css" : "[id].css?[contenthash]",
}),
new HtmlWebpackPlugin({
filename: "../../index.html",
chunksSortMode: "manual",
chunks: ["vendor", "styles", "app-main"],
template: __dirname + "/resources/frontend_client/index_template.html",
inject: "head",
// Using default of "defer" creates race-condition when applying whitelabel colors (metabase#18173)
scriptLoading: "blocking",
alwaysWriteToDisk: true,
}),
new HtmlWebpackPlugin({
filename: "../../public.html",
chunksSortMode: "manual",
chunks: ["vendor", "styles", "app-public"],
template: __dirname + "/resources/frontend_client/index_template.html",
inject: "head",
scriptLoading: "blocking",
alwaysWriteToDisk: true,
}),
new HtmlWebpackPlugin({
filename: "../../embed.html",
chunksSortMode: "manual",
chunks: ["vendor", "styles", "app-embed"],
template: __dirname + "/resources/frontend_client/index_template.html",
inject: "head",
scriptLoading: "blocking",
alwaysWriteToDisk: true,
}),
new HtmlWebpackHarddiskPlugin({
outputPath: __dirname + "/resources/frontend_client/app/dist",
}),
new webpack.BannerPlugin({
banner:
"/*\n* This file is subject to the terms and conditions defined in\n * file 'LICENSE.txt', which is part of this source code package.\n */\n",
}),
new NodePolyfillPlugin(), // for crypto, among others
new webpack.EnvironmentPlugin({
WEBPACK_BUNDLE: "development",
}),
// https://github.com/remarkjs/remark/discussions/903
new webpack.ProvidePlugin({ process: "process/browser.js" }),
],
});
if (WEBPACK_BUNDLE === "hot") {
config.target = "web";
// suffixing with ".hot" allows us to run both `yarn run build-hot` and `yarn run test` or `yarn run test-watch` simultaneously
config.output.filename = "[name].hot.bundle.js?[contenthash]";
// point the publicPath (inlined in index.html by HtmlWebpackPlugin) to the hot-reloading server
config.output.publicPath =
"http://localhost:8080/" + config.output.publicPath;
config.module.rules.unshift({
test: /\.(tsx?|jsx?)$/,
exclude: /node_modules|cljs/,
use: [
{
loader: "babel-loader",
options: {
...BABEL_CONFIG,
plugins: ["@emotion", "react-refresh/babel"],
},
},
],
});
config.devServer = {
hot: true,
client: {
progress: false,
overlay: false,
},
headers: {
"Access-Control-Allow-Origin": "*",
},
// tweak stats to make the output in the console more legible
// TODO - once we update webpack to v4+ we can just use `errors-warnings` preset
devMiddleware: {
stats: {
assets: false,
cached: false,
cachedAssets: false,
chunks: false,
chunkModules: false,
chunkOrigins: false,
modules: false,
color: true,
hash: false,
warnings: true,
errorDetals: false,
},
},
// if webpack doesn't reload UI after code change in development
// watchOptions: {
// aggregateTimeout: 300,
// poll: 1000
// }
// if you want to reduce stats noise
// stats: 'minimal' // values: none, errors-only, minimal, normal, verbose
};
config.plugins.unshift(
new webpack.NoEmitOnErrorsPlugin(),
new webpack.HotModuleReplacementPlugin(),
new ReactRefreshPlugin({
overlay: false,
}),
);
}
if (WEBPACK_BUNDLE !== "production") {
// replace minified files with un-minified versions
for (const name in config.resolve.alias) {
const minified = config.resolve.alias[name];
const unminified = minified.replace(/[.-\/]min\b/g, "");
if (minified !== unminified && fs.existsSync(unminified)) {
config.resolve.alias[name] = unminified;
}
}
// by default enable "cheap" source maps for fast re-build speed
// with BETTER_SOURCE_MAPS we switch to sourcemaps that work with breakpoints and makes stacktraces readable
config.devtool = process.env.BETTER_SOURCE_MAPS
? "eval-source-map"
: "cheap-module-source-map";
// helps with source maps
config.output.devtoolModuleFilenameTemplate = "[absolute-resource-path]";
config.output.pathinfo = true;
config.plugins.push(
new WebpackNotifierPlugin({
excludeWarnings: true,
skipFirstNotification: true,
}),
);
} else {
config.plugins.push(
new TerserPlugin({ parallel: true, test: /\.(tsx?|jsx?)($|\?)/i }),
);
config.devtool = "source-map";
}