65 lines
2.4 KiB
JavaScript
65 lines
2.4 KiB
JavaScript
/* eslint-env node */
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'use strict';
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var Merge = require('webpack-merge');
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var webpack = require('webpack');
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var BundleTracker = require('webpack-bundle-tracker');
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var _ = require('underscore');
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const TerserPlugin = require("terser-webpack-plugin");
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var commonConfig = require('./webpack.common.config.js');
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var optimizedConfig = Merge.smart(commonConfig, {
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web: {
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output: {
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filename: '[name].[chunkhash].js'
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},
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devtool: false,
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plugins: [
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new webpack.DefinePlugin({
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'process.env.NODE_ENV': JSON.stringify('production'),
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'process.env.JS_ENV_EXTRA_CONFIG': process.env.JS_ENV_EXTRA_CONFIG || '{}'
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}),
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new webpack.LoaderOptionsPlugin({ // This may not be needed; legacy option for loaders written for webpack 1
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minimize: true
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})
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],
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optimization: {
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minimize: true,
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minimizer: [
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new TerserPlugin(),
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],
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}
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}
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});
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// requireCompatConfig only exists so that you can use RequireJS to require a
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// Webpack bundle (but try not to do that if you can help it). RequireJS knows
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// where to find named bundle output files, but doesn't know about
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// prod-optimized bundles. So we make a redundant Webpack target that exists
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// only to make a version of all the bundles without the chunkhash in the
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// filename. That way, RequireJS can always find them.
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//
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// To be clear, this is a bad hack that exists to keep RequireJS from breaking
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// for the short term. We're actively ripping RequireJS out of edx-platform
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// entirely, and requireCompatConfig can completely disappear after RequireJS is
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// gone.
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// Step 1: Alter the bundle output names to omit the chunkhash.
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var requireCompatConfig = Merge.smart(optimizedConfig, {
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web: {
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output: {
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filename: '[name].js'
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}
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}
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});
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// Step 2: Remove the plugin entries that generate the webpack-stats.json files
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// that Django needs to look up resources. We never want to accidentally
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// overwrite those because it means that we'll be serving assets with shorter
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// cache times. RequireJS never looks at the webpack-stats.json file.
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requireCompatConfig.web.plugins = requireCompatConfig.web.plugins.filter((plugin) => !(plugin instanceof BundleTracker));
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module.exports = [..._.values(optimizedConfig), ..._.values(requireCompatConfig)];
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