82 lines
2.6 KiB
JavaScript
82 lines
2.6 KiB
JavaScript
/**
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* Repurposed UnminifiedWebpackPlugin.
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*
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* See: https://github.com/leftstick/unminified-webpack-plugin/blob/master/index.js
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*
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* Changes:
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* 1. Remove check for UglifyJsPlugin - Terser is the successor.
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* 2. Remove check for development mode - we always want unminified files.
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* 3. Remove BannerPlugin support - we don't use it.
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* 4. Remove the 'min' suffix from the chunk loaded in the new `mainEntry` option.
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* 5. Hook into compilation later so we're running after Source Map generation.
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*/
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const path = require( 'path' );
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const ModuleFilenameHelpers = require( 'webpack/lib/ModuleFilenameHelpers' );
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const getFileName = ( name, ext, opts ) => {
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if ( name.match(/([-_.]min)[-_.]/ ) ) {
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return name.replace( /[-_.]min/, '' );
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}
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const suffix = ( opts.postfix || 'nomin' ) + '.' + ext;
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if ( name.match( new RegExp( '\.' + ext + '$' ) ) ) {
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return name.replace( new RegExp( ext + '$' ), suffix )
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}
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return name + suffix;
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};
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class UnminifyWebpackPlugin {
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constructor( opts ) {
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const options = opts || {};
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this.options = {
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test: options.test || /\.(js|css)($|\?)/i,
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mainEntry: options.mainEntry || false,
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};
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}
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apply( compiler ) {
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// Hook after asset optimization if we're using a devtool (source map).
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// @todo: Update to afterFinishAssets for Webpack 5.x?
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const compilationHook = compiler.options.devtool ? 'afterOptimizeAssets' : 'additionalAssets';
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compiler.hooks.compilation.tap( 'UnminifyWebpackPlugin', ( compilation ) => {
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compilation.hooks[ compilationHook ].tap( 'UnminifyWebpackPlugin', () => {
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const files = [
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...compilation.additionalChunkAssets
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];
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compilation.chunks.forEach( chunk => files.push( ...chunk.files ) );
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const finalFiles = files.filter( ModuleFilenameHelpers.matchObject.bind( null, this.options ) );
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finalFiles.forEach( ( minified ) => {
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const asset = compilation.assets[ minified ];
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let source = asset.source();
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const ext = path.extname( minified ).substr( 1 );
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const unminified = getFileName( minified, ext, this.options );
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// Remove the ".min" suffix from the lazy loaded chunk filenames.
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if ( this.options.mainEntry && minified === this.options.mainEntry ) {
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// See: https://github.com/webpack/webpack/blob/v4.43.0/lib/web/JsonpMainTemplatePlugin.js#L129
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// NOTE: This will break with Webpack 5.x!
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source = source.replace( / \+ "\.min\.js"$/m, ' + ".js"' );
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}
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compilation.assets[ unminified ] = {
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source: () => {
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return source;
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},
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size: () => {
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return source.length;
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}
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};
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} );
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} );
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} );
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}
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}
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module.exports = UnminifyWebpackPlugin;
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