29 lines
768 B
JavaScript
29 lines
768 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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"use strict";
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class MergeDuplicateChunksPlugin {
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apply(compiler) {
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compiler.plugin("compilation", (compilation) => {
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compilation.plugin("optimize-chunks-basic", (chunks) => {
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const map = Object.create(null);
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chunks.slice().forEach((chunk) => {
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if(chunk.hasRuntime() || chunk.hasEntryModule()) return;
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const ident = chunk.getModulesIdent();
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const otherChunk = map[ident];
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if(otherChunk) {
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if(otherChunk.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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}
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module.exports = MergeDuplicateChunksPlugin;
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