mirror of https://github.com/webpack/webpack.git
31 lines
849 B
JavaScript
31 lines
849 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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function MergeDuplicateChunksPlugin() {}
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module.exports = MergeDuplicateChunksPlugin;
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function getChunkIdentifier(chunk) {
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return chunk.modules.map(function(m) {
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return m.identifier();
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}).sort().join(", ");
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}
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MergeDuplicateChunksPlugin.prototype.apply = function(compiler) {
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compiler.plugin("compilation", function(compilation) {
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compilation.plugin("optimize-chunks-basic", function(chunks) {
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var map = {};
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chunks.slice().forEach(function(chunk) {
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if(chunk.hasRuntime() || chunk.hasEntryModule()) return;
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var ident = getChunkIdentifier(chunk);
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if(map[ident]) {
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if(map[ident].integrate(chunk, "duplicate"))
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chunks.splice(chunks.indexOf(chunk), 1);
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return;
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}
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map[ident] = chunk;
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});
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});
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});
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};
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