33 lines
1005 B
JavaScript
33 lines
1005 B
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 ConcatSource = require("webpack-core/lib/ConcatSource");
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function wrapComment(str) {
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if(str.indexOf("\n") < 0) return "/*! " + str + " */";
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return "/*!\n * " + str.split("\n").join("\n * ") + "\n */";
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}
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function BannerPlugin(banner, options) {
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if(!options) options = {};
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this.banner = options.raw ? banner : wrapComment(banner);
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this.entryOnly = options.entryOnly;
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}
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module.exports = BannerPlugin;
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BannerPlugin.prototype.apply = function(compiler) {
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var banner = this.banner;
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var entryOnly = this.entryOnly;
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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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chunks.forEach(function(chunk) {
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if(entryOnly && !chunk.entry) return;
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chunk.files.forEach(function(file) {
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compilation.assets[file] = new ConcatSource(banner, "\n", compilation.assets[file]);
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});
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});
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callback();
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});
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});
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};
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