74 lines
1.8 KiB
JavaScript
74 lines
1.8 KiB
JavaScript
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/*
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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 {
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compareModulesByPreOrderIndexOrIdentifier
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} = require("../util/comparators");
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const {
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getUsedModuleIds,
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getFullModuleName,
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assignDeterministicIds
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} = require("./IdHelpers");
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Module")} Module */
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class DeterministicModuleIdsPlugin {
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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(
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"DeterministicModuleIdsPlugin",
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compilation => {
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compilation.hooks.moduleIds.tap(
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"DeterministicModuleIdsPlugin",
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modules => {
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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 usedIds = getUsedModuleIds(compilation);
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assignDeterministicIds(
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Array.from(modules).filter(module => {
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if (!module.needId) return false;
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if (chunkGraph.getNumberOfModuleChunks(module) === 0)
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return false;
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return chunkGraph.getModuleId(module) === null;
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}),
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module => getFullModuleName(module, context, compiler.root),
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compareModulesByPreOrderIndexOrIdentifier(
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compilation.moduleGraph
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),
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(module, 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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chunkGraph.setModuleId(module, id);
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return true;
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},
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[Math.pow(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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}
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}
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module.exports = DeterministicModuleIdsPlugin;
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