Conexio amb la api

node_modules/webpack/lib/ids/DeterministicModuleIdsPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Florent Cailhol @ooflorent
+*/
+
+"use strict";
+
+const {
+	compareModulesByPreOrderIndexOrIdentifier
+} = require("../util/comparators");
+const {
+	getUsedModuleIds,
+	getFullModuleName,
+	assignDeterministicIds
+} = require("./IdHelpers");
+
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../Module")} Module */
+
+class DeterministicModuleIdsPlugin {
+	constructor(options) {
+		this.options = options || {};
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"DeterministicModuleIdsPlugin",
+			compilation => {
+				compilation.hooks.moduleIds.tap(
+					"DeterministicModuleIdsPlugin",
+					modules => {
+						const chunkGraph = compilation.chunkGraph;
+						const context = this.options.context
+							? this.options.context
+							: compiler.context;
+						const maxLength = this.options.maxLength || 3;
+
+						const usedIds = getUsedModuleIds(compilation);
+						assignDeterministicIds(
+							Array.from(modules).filter(module => {
+								if (!module.needId) return false;
+								if (chunkGraph.getNumberOfModuleChunks(module) === 0)
+									return false;
+								return chunkGraph.getModuleId(module) === null;
+							}),
+							module => getFullModuleName(module, context, compiler.root),
+							compareModulesByPreOrderIndexOrIdentifier(
+								compilation.moduleGraph
+							),
+							(module, id) => {
+								const size = usedIds.size;
+								usedIds.add(`${id}`);
+								if (size === usedIds.size) return false;
+								chunkGraph.setModuleId(module, id);
+								return true;
+							},
+							[Math.pow(10, maxLength)],
+							10,
+							usedIds.size
+						);
+					}
+				);
+			}
+		);
+	}
+}
+
+module.exports = DeterministicModuleIdsPlugin;