frontend/config/webpack.js

47 lines
1.6 KiB
JavaScript

const webpack = require("webpack");
const path = require("path");
const BabelMinifyPlugin = require("babel-minify-webpack-plugin");
module.exports.plugins = [
// 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")
),
];
module.exports.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,
// Prevent removal of things that babel thinks are unreachable, but sometimes
// gets wrong: https://github.com/Polymer/tools/issues/724
deadcode: 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,
},
{}
),
];