frontend/webpack.config.js
2018-10-15 19:07:08 +02:00

244 lines
8.9 KiB
JavaScript

const fs = require("fs");
const path = require("path");
const webpack = require("webpack");
const BabelMinifyPlugin = require("babel-minify-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");
const WorkboxPlugin = require("workbox-webpack-plugin");
const CompressionPlugin = require("compression-webpack-plugin");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const zopfli = require("@gfx/zopfli");
const translationMetadata = require("./build-translations/translationMetadata.json");
const { babelLoaderConfig } = require("./config/babel.js");
const version = fs.readFileSync("setup.py", "utf8").match(/\d{8}[^']*/);
if (!version) {
throw Error("Version not found");
}
const VERSION = version[0];
const generateJSPage = (entrypoint, latestBuild) => {
return new HtmlWebpackPlugin({
inject: false,
template: `./src/html/${entrypoint}.html.template`,
// Default templateParameterGenerator code
// https://github.com/jantimon/html-webpack-plugin/blob/master/index.js#L719
templateParameters: (compilation, assets, option) => ({
latestBuild,
compatibility: assets.chunks.compatibility.entry,
entrypoint: assets.chunks[entrypoint].entry,
hassIconsJS: assets.chunks["hass-icons"].entry,
}),
filename: `${entrypoint}.html`,
});
};
function createConfig(isProdBuild, latestBuild) {
let buildPath = latestBuild ? "hass_frontend/" : "hass_frontend_es5/";
const publicPath = latestBuild ? "/frontend_latest/" : "/frontend_es5/";
const entry = {
app: "./src/entrypoints/app.js",
authorize: "./src/entrypoints/authorize.js",
onboarding: "./src/entrypoints/onboarding.js",
core: "./src/entrypoints/core.js",
compatibility: "./src/entrypoints/compatibility.js",
"custom-panel": "./src/entrypoints/custom-panel.js",
"hass-icons": "./src/entrypoints/hass-icons.js",
};
if (latestBuild) {
entry["service-worker-hass"] = "./src/entrypoints/service-worker-hass.js";
}
const chunkFilename = isProdBuild
? "[chunkhash].chunk.js"
: "[name].chunk.js";
return {
mode: isProdBuild ? "production" : "development",
devtool: isProdBuild
? "cheap-source-map "
: "inline-cheap-module-source-map",
entry,
module: {
rules: [
babelLoaderConfig({ latestBuild }),
{
test: /\.(html)$/,
use: {
loader: "html-loader",
options: {
exportAsEs6Default: true,
},
},
},
],
},
optimization: {
minimizer: [
// Took options from Polymer build tool
// https://github.com/Polymer/tools/blob/master/packages/build/src/js-transform.ts
new BabelMinifyPlugin(
{
// Disable the minify-constant-folding plugin because it has a bug relating to
// invalid substitution of constant values into export specifiers:
// https://github.com/babel/minify/issues/820
evaluate: false,
// TODO(aomarks) Find out why we disabled this plugin.
simplifyComparisons: false,
// Disable the simplify plugin because it can eat some statements preceeding
// loops. https://github.com/babel/minify/issues/824
simplify: false,
// This is breaking ES6 output. https://github.com/Polymer/tools/issues/261
mangle: false,
},
{}
),
],
},
plugins: [
new webpack.DefinePlugin({
__DEV__: JSON.stringify(!isProdBuild),
__BUILD__: JSON.stringify(latestBuild ? "latest" : "es5"),
__VERSION__: JSON.stringify(VERSION),
__STATIC_PATH__: "/static/",
"process.env.NODE_ENV": JSON.stringify(
isProdBuild ? "production" : "development"
),
}),
new CopyWebpackPlugin(
[
latestBuild &&
"node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js",
latestBuild && { from: "public", to: "." },
latestBuild && {
from: "build-translations/output",
to: `translations`,
},
latestBuild && {
from: "node_modules/@polymer/font-roboto-local/fonts",
to: "fonts",
},
latestBuild &&
"node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js",
latestBuild &&
"node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js.map",
latestBuild && {
from:
"node_modules/react-big-calendar/lib/css/react-big-calendar.css",
to: "panels/calendar/",
},
latestBuild && {
from: "node_modules/leaflet/dist/leaflet.css",
to: `images/leaflet/`,
},
latestBuild && {
from: "node_modules/leaflet/dist/images",
to: `images/leaflet/`,
},
!latestBuild && "public/__init__.py",
].filter(Boolean)
),
// Ignore moment.js locales
new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
// Color.js is bloated, it contains all color definitions for all material color sets.
new webpack.NormalModuleReplacementPlugin(
/@polymer\/paper-styles\/color\.js$/,
path.resolve(__dirname, "src/util/empty.js")
),
// Ignore roboto pointing at CDN. We use local font-roboto-local.
new webpack.NormalModuleReplacementPlugin(
/@polymer\/font-roboto\/roboto\.js$/,
path.resolve(__dirname, "src/util/empty.js")
),
isProdBuild &&
new CompressionPlugin({
cache: true,
exclude: [/\.js\.map$/, /\.LICENSE$/, /\.py$/, /\.txt$/],
algorithm(input, compressionOptions, callback) {
return zopfli.gzip(input, compressionOptions, callback);
},
}),
new WorkboxPlugin.InjectManifest({
swSrc: "./src/entrypoints/service-worker-bootstrap.js",
swDest: "service_worker.js",
importWorkboxFrom: "local",
include: [
/core.js$/,
/app.js$/,
/custom-panel.js$/,
/hass-icons.js$/,
/\.chunk\.js$/,
],
templatedUrls: {
[`/static/translations/${
translationMetadata["translations"]["en"]["fingerprints"]["en"]
}`]: "build-translations/output/en.json",
"/static/icons/favicon-192x192.png":
"public/icons/favicon-192x192.png",
"/static/fonts/roboto/Roboto-Light.ttf":
"node_modules/@polymer/font-roboto-local/fonts/roboto/Roboto-Light.ttf",
"/static/fonts/roboto/Roboto-Medium.ttf":
"node_modules/@polymer/font-roboto-local/fonts/roboto/Roboto-Medium.ttf",
"/static/fonts/roboto/Roboto-Regular.ttf":
"node_modules/@polymer/font-roboto-local/fonts/roboto/Roboto-Regular.ttf",
"/static/fonts/roboto/Roboto-Bold.ttf":
"node_modules/@polymer/font-roboto-local/fonts/roboto/Roboto-Bold.ttf",
},
}),
new HtmlWebpackPlugin({
inject: false,
template: "./src/html/index.html.template",
// Default templateParameterGenerator code
// https://github.com/jantimon/html-webpack-plugin/blob/master/index.js#L719
templateParameters: (compilation, assets, option) => ({
latestBuild,
compatibility: assets.chunks.compatibility.entry,
appJS: assets.chunks.app.entry,
coreJS: assets.chunks.core.entry,
customPanelJS: assets.chunks["custom-panel"].entry,
hassIconsJS: assets.chunks["hass-icons"].entry,
}),
filename: `index.html`,
}),
generateJSPage("onboarding", latestBuild),
generateJSPage("authorize", latestBuild),
].filter(Boolean),
output: {
filename: ({ chunk }) => {
const dontHash = new Set([
// This is loaded from service-worker-bootstrap.js
// which is processed by Workbox, not Webpack
"service-worker-hass",
]);
if (!isProdBuild || dontHash.has(chunk.name)) return `${chunk.name}.js`;
return `${chunk.name}-${chunk.hash.substr(0, 8)}.js`;
},
chunkFilename: chunkFilename,
path: path.resolve(__dirname, buildPath),
publicPath,
},
resolve: {
extensions: [".ts", ".js", ".json"],
alias: {
react: "preact-compat",
"react-dom": "preact-compat",
// Not necessary unless you consume a module using `createClass`
"create-react-class": "preact-compat/lib/create-react-class",
// Not necessary unless you consume a module requiring `react-dom-factories`
"react-dom-factories": "preact-compat/lib/react-dom-factories",
},
},
};
}
const isProdBuild = process.env.NODE_ENV === "production";
const configs = [createConfig(isProdBuild, /* latestBuild */ true)];
if (isProdBuild) {
configs.push(createConfig(isProdBuild, /* latestBuild */ false));
}
module.exports = configs;