mirror of https://github.com/webpack/webpack.git
68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var SourceMapSource = require("webpack-core/lib/SourceMapSource");
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var uglify = require("uglify-js");
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function UglifyJsPlugin(options) {
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if(typeof options != "object") options = {};
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if(typeof options.compressor == "undefined") {
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options.compressor = {
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warnings: false
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}
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}
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this.options = options;
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}
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module.exports = UglifyJsPlugin;
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UglifyJsPlugin.prototype.apply = function(compiler) {
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var options = this.options;
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compiler.plugin("compilation", function(compilation) {
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compilation.plugin("optimize-chunk-assets", function(chunks, callback) {
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var files = [];
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chunks.forEach(function(chunk) {
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chunk.files.forEach(function(file) {
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files.push(file);
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});
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});
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files.forEach(function(file) {
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try {
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var input = compilation.assets[file].source();
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var inputSourceMap = compilation.assets[file].map();
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var ast = uglify.parse(input, {
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filename: file
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});
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ast.figure_out_scope()
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if(options.compressor !== false) {
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var compressor = uglify.Compressor(options.compressor);
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ast = ast.transform(compressor);
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ast.figure_out_scope();
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ast.compute_char_frequency(options.mangle || {});
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ast.mangle_names(options.mangle || {});
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}
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var map = null;
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map = uglify.SourceMap({
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file: file,
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root: ""
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});
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var stream = uglify.OutputStream({
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comments: options.comments || /^\**!|@preserve|@license/,
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beautify: options.beautify,
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source_map: map
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});
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ast.print(stream);
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map = map + "";
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stream = stream + "";
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compilation.assets[file] = new SourceMapSource(stream, file, map, input, inputSourceMap);
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} catch(err) {
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err.file = file;
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compilation.warnings.push(err);
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}
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});
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callback();
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});
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compilation.plugin("normal-module-loader", function(context) {
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context.minimize = true;
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});
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});
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}; |