mirror of https://github.com/webpack/webpack.git
73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Florent Cailhol @ooflorent
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*/
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"use strict";
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const { compareChunksNatural } = require("../util/comparators");
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const {
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assignDeterministicIds,
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getFullChunkName,
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getUsedChunkIds
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} = require("./IdHelpers");
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/** @typedef {import("../Compiler")} Compiler */
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/**
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* @typedef {object} DeterministicChunkIdsPluginOptions
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* @property {string=} context context for ids
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* @property {number=} maxLength maximum length of ids
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*/
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const PLUGIN_NAME = "DeterministicChunkIdsPlugin";
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class DeterministicChunkIdsPlugin {
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/**
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* @param {DeterministicChunkIdsPluginOptions=} options options
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*/
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constructor(options = {}) {
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this.options = options;
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}
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation) => {
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compilation.hooks.chunkIds.tap(PLUGIN_NAME, (chunks) => {
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const chunkGraph = compilation.chunkGraph;
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const context = this.options.context
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? this.options.context
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: compiler.context;
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const maxLength = this.options.maxLength || 3;
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const compareNatural = compareChunksNatural(chunkGraph);
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const usedIds = getUsedChunkIds(compilation);
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assignDeterministicIds(
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[...chunks].filter((chunk) => chunk.id === null),
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(chunk) =>
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getFullChunkName(chunk, chunkGraph, context, compiler.root),
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compareNatural,
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(chunk, id) => {
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const size = usedIds.size;
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usedIds.add(`${id}`);
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if (size === usedIds.size) return false;
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chunk.id = id;
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chunk.ids = [id];
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return true;
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},
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[10 ** maxLength],
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10,
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usedIds.size
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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 = DeterministicChunkIdsPlugin;
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