48 lines
1.1 KiB
JavaScript
48 lines
1.1 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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"use strict";
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Compiler")} Compiler */
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class RemoveEmptyChunksPlugin {
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/**
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* @param {Compiler} compiler webpack compiler
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.compilation.tap("RemoveEmptyChunksPlugin", compilation => {
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/**
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* @param {Chunk[]} chunks the chunks array
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* @returns {void}
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*/
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const handler = chunks => {
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const chunkGraph = compilation.chunkGraph;
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for (let i = chunks.length - 1; i >= 0; i--) {
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const chunk = chunks[i];
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if (
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chunkGraph.getNumberOfChunkModules(chunk) === 0 &&
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!chunk.hasRuntime() &&
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chunkGraph.getNumberOfEntryModules(chunk) === 0
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) {
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compilation.chunkGraph.disconnectChunk(chunk);
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chunks.splice(i, 1);
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}
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}
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};
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compilation.hooks.optimizeChunksBasic.tap(
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"RemoveEmptyChunksPlugin",
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handler
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);
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compilation.hooks.optimizeChunksAdvanced.tap(
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"RemoveEmptyChunksPlugin",
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handler
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);
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});
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}
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}
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module.exports = RemoveEmptyChunksPlugin;
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