460 lines
12 KiB
JavaScript
460 lines
12 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 Tobias Koppers @sokra
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*/
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"use strict";
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const { compareRuntime } = require("./runtime");
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../ChunkGraph")} ChunkGraph */
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/** @typedef {import("../ChunkGroup")} ChunkGroup */
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/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @template T @typedef {function(T, T): -1|0|1} Comparator */
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/** @template TArg @template T @typedef {function(TArg, T, T): -1|0|1} RawParameterizedComparator */
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/** @template TArg @template T @typedef {function(TArg): Comparator<T>} ParameterizedComparator */
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/**
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* @template T
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* @param {RawParameterizedComparator<any, T>} fn comparator with argument
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* @returns {ParameterizedComparator<any, T>} comparator
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*/
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const createCachedParameterizedComparator = fn => {
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/** @type {WeakMap<object, Comparator<T>>} */
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const map = new WeakMap();
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return arg => {
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const cachedResult = map.get(arg);
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if (cachedResult !== undefined) return cachedResult;
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/**
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* @param {T} a first item
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* @param {T} b second item
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* @returns {-1|0|1} compare result
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*/
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const result = fn.bind(null, arg);
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map.set(arg, result);
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return result;
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};
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};
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/**
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* @param {Chunk} a chunk
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* @param {Chunk} b chunk
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* @returns {-1|0|1} compare result
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*/
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exports.compareChunksById = (a, b) => {
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return compareIds(a.id, b.id);
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};
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/**
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* @param {Module} a module
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* @param {Module} b module
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* @returns {-1|0|1} compare result
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*/
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exports.compareModulesByIdentifier = (a, b) => {
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return compareIds(a.identifier(), b.identifier());
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};
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/**
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* @param {ChunkGraph} chunkGraph the chunk graph
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* @param {Module} a module
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* @param {Module} b module
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* @returns {-1|0|1} compare result
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*/
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const compareModulesById = (chunkGraph, a, b) => {
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return compareIds(chunkGraph.getModuleId(a), chunkGraph.getModuleId(b));
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};
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/** @type {ParameterizedComparator<ChunkGraph, Module>} */
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exports.compareModulesById =
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createCachedParameterizedComparator(compareModulesById);
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/**
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* @param {number} a number
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* @param {number} b number
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* @returns {-1|0|1} compare result
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*/
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const compareNumbers = (a, b) => {
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if (typeof a !== typeof b) {
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return typeof a < typeof b ? -1 : 1;
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}
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if (a < b) return -1;
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if (a > b) return 1;
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return 0;
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};
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exports.compareNumbers = compareNumbers;
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/**
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* @param {string} a string
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* @param {string} b string
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* @returns {-1|0|1} compare result
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*/
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const compareStringsNumeric = (a, b) => {
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const partsA = a.split(/(\d+)/);
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const partsB = b.split(/(\d+)/);
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const len = Math.min(partsA.length, partsB.length);
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for (let i = 0; i < len; i++) {
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const pA = partsA[i];
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const pB = partsB[i];
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if (i % 2 === 0) {
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if (pA.length > pB.length) {
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if (pA.slice(0, pB.length) > pB) return 1;
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return -1;
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} else if (pB.length > pA.length) {
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if (pB.slice(0, pA.length) > pA) return -1;
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return 1;
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} else {
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if (pA < pB) return -1;
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if (pA > pB) return 1;
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}
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} else {
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const nA = +pA;
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const nB = +pB;
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if (nA < nB) return -1;
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if (nA > nB) return 1;
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}
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}
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if (partsB.length < partsA.length) return 1;
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if (partsB.length > partsA.length) return -1;
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return 0;
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};
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exports.compareStringsNumeric = compareStringsNumeric;
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {Module} a module
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* @param {Module} b module
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* @returns {-1|0|1} compare result
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*/
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const compareModulesByPostOrderIndexOrIdentifier = (moduleGraph, a, b) => {
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const cmp = compareNumbers(
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moduleGraph.getPostOrderIndex(a),
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moduleGraph.getPostOrderIndex(b)
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);
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if (cmp !== 0) return cmp;
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return compareIds(a.identifier(), b.identifier());
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};
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/** @type {ParameterizedComparator<ModuleGraph, Module>} */
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exports.compareModulesByPostOrderIndexOrIdentifier =
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createCachedParameterizedComparator(
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compareModulesByPostOrderIndexOrIdentifier
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);
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {Module} a module
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* @param {Module} b module
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* @returns {-1|0|1} compare result
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*/
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const compareModulesByPreOrderIndexOrIdentifier = (moduleGraph, a, b) => {
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const cmp = compareNumbers(
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moduleGraph.getPreOrderIndex(a),
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moduleGraph.getPreOrderIndex(b)
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);
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if (cmp !== 0) return cmp;
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return compareIds(a.identifier(), b.identifier());
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};
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/** @type {ParameterizedComparator<ModuleGraph, Module>} */
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exports.compareModulesByPreOrderIndexOrIdentifier =
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createCachedParameterizedComparator(
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compareModulesByPreOrderIndexOrIdentifier
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);
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/**
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* @param {ChunkGraph} chunkGraph the chunk graph
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* @param {Module} a module
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* @param {Module} b module
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* @returns {-1|0|1} compare result
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*/
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const compareModulesByIdOrIdentifier = (chunkGraph, a, b) => {
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const cmp = compareIds(chunkGraph.getModuleId(a), chunkGraph.getModuleId(b));
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if (cmp !== 0) return cmp;
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return compareIds(a.identifier(), b.identifier());
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};
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/** @type {ParameterizedComparator<ChunkGraph, Module>} */
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exports.compareModulesByIdOrIdentifier = createCachedParameterizedComparator(
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compareModulesByIdOrIdentifier
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);
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/**
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* @param {ChunkGraph} chunkGraph the chunk graph
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* @param {Chunk} a chunk
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* @param {Chunk} b chunk
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* @returns {-1|0|1} compare result
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*/
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const compareChunks = (chunkGraph, a, b) => {
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return chunkGraph.compareChunks(a, b);
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};
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/** @type {ParameterizedComparator<ChunkGraph, Chunk>} */
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exports.compareChunks = createCachedParameterizedComparator(compareChunks);
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/**
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* @param {string|number} a first id
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* @param {string|number} b second id
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* @returns {-1|0|1} compare result
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*/
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const compareIds = (a, b) => {
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if (typeof a !== typeof b) {
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return typeof a < typeof b ? -1 : 1;
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}
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if (a < b) return -1;
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if (a > b) return 1;
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return 0;
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};
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exports.compareIds = compareIds;
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/**
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* @param {string} a first string
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* @param {string} b second string
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* @returns {-1|0|1} compare result
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*/
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const compareStrings = (a, b) => {
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if (a < b) return -1;
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if (a > b) return 1;
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return 0;
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};
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exports.compareStrings = compareStrings;
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/**
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* @param {ChunkGroup} a first chunk group
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* @param {ChunkGroup} b second chunk group
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* @returns {-1|0|1} compare result
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*/
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const compareChunkGroupsByIndex = (a, b) => {
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return a.index < b.index ? -1 : 1;
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};
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exports.compareChunkGroupsByIndex = compareChunkGroupsByIndex;
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/**
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* @template K1 {Object}
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* @template K2
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* @template T
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*/
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class TwoKeyWeakMap {
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constructor() {
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/** @private @type {WeakMap<any, WeakMap<any, T>>} */
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this._map = new WeakMap();
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}
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/**
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* @param {K1} key1 first key
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* @param {K2} key2 second key
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* @returns {T | undefined} value
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*/
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get(key1, key2) {
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const childMap = this._map.get(key1);
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if (childMap === undefined) {
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return undefined;
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}
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return childMap.get(key2);
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}
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/**
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* @param {K1} key1 first key
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* @param {K2} key2 second key
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* @param {T | undefined} value new value
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* @returns {void}
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*/
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set(key1, key2, value) {
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let childMap = this._map.get(key1);
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if (childMap === undefined) {
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childMap = new WeakMap();
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this._map.set(key1, childMap);
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}
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childMap.set(key2, value);
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}
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}
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/** @type {TwoKeyWeakMap<Comparator<any>, Comparator<any>, Comparator<any>>}} */
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const concatComparatorsCache = new TwoKeyWeakMap();
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/**
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* @template T
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* @param {Comparator<T>} c1 comparator
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* @param {Comparator<T>} c2 comparator
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* @param {Comparator<T>[]} cRest comparators
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* @returns {Comparator<T>} comparator
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*/
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const concatComparators = (c1, c2, ...cRest) => {
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if (cRest.length > 0) {
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const [c3, ...cRest2] = cRest;
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return concatComparators(c1, concatComparators(c2, c3, ...cRest2));
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}
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const cacheEntry = /** @type {Comparator<T>} */ (
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concatComparatorsCache.get(c1, c2)
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);
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if (cacheEntry !== undefined) return cacheEntry;
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/**
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* @param {T} a first value
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* @param {T} b second value
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* @returns {-1|0|1} compare result
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*/
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const result = (a, b) => {
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const res = c1(a, b);
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if (res !== 0) return res;
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return c2(a, b);
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};
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concatComparatorsCache.set(c1, c2, result);
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return result;
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};
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exports.concatComparators = concatComparators;
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/** @template A, B @typedef {(input: A) => B} Selector */
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/** @type {TwoKeyWeakMap<Selector<any, any>, Comparator<any>, Comparator<any>>}} */
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const compareSelectCache = new TwoKeyWeakMap();
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/**
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* @template T
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* @template R
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* @param {Selector<T, R>} getter getter for value
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* @param {Comparator<R>} comparator comparator
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* @returns {Comparator<T>} comparator
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*/
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const compareSelect = (getter, comparator) => {
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const cacheEntry = compareSelectCache.get(getter, comparator);
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if (cacheEntry !== undefined) return cacheEntry;
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/**
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* @param {T} a first value
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* @param {T} b second value
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* @returns {-1|0|1} compare result
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*/
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const result = (a, b) => {
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const aValue = getter(a);
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const bValue = getter(b);
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if (aValue !== undefined && aValue !== null) {
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if (bValue !== undefined && bValue !== null) {
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return comparator(aValue, bValue);
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}
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return -1;
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} else {
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if (bValue !== undefined && bValue !== null) {
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return 1;
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}
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return 0;
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}
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};
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compareSelectCache.set(getter, comparator, result);
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return result;
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};
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exports.compareSelect = compareSelect;
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/** @type {WeakMap<Comparator<any>, Comparator<Iterable<any>>>} */
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const compareIteratorsCache = new WeakMap();
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/**
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* @template T
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* @param {Comparator<T>} elementComparator comparator for elements
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* @returns {Comparator<Iterable<T>>} comparator for iterables of elements
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*/
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const compareIterables = elementComparator => {
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const cacheEntry = compareIteratorsCache.get(elementComparator);
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if (cacheEntry !== undefined) return cacheEntry;
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/**
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* @param {Iterable<T>} a first value
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* @param {Iterable<T>} b second value
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* @returns {-1|0|1} compare result
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*/
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const result = (a, b) => {
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const aI = a[Symbol.iterator]();
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const bI = b[Symbol.iterator]();
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// eslint-disable-next-line no-constant-condition
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while (true) {
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const aItem = aI.next();
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const bItem = bI.next();
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if (aItem.done) {
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return bItem.done ? 0 : -1;
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} else if (bItem.done) {
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return 1;
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}
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const res = elementComparator(aItem.value, bItem.value);
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if (res !== 0) return res;
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|
}
|
||
|
|
};
|
||
|
|
compareIteratorsCache.set(elementComparator, result);
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
exports.compareIterables = compareIterables;
|
||
|
|
|
||
|
|
// TODO this is no longer needed when minimum node.js version is >= 12
|
||
|
|
// since these versions ship with a stable sort function
|
||
|
|
/**
|
||
|
|
* @template T
|
||
|
|
* @param {Iterable<T>} iterable original ordered list
|
||
|
|
* @returns {Comparator<T>} comparator
|
||
|
|
*/
|
||
|
|
exports.keepOriginalOrder = iterable => {
|
||
|
|
/** @type {Map<T, number>} */
|
||
|
|
const map = new Map();
|
||
|
|
let i = 0;
|
||
|
|
for (const item of iterable) {
|
||
|
|
map.set(item, i++);
|
||
|
|
}
|
||
|
|
return (a, b) => compareNumbers(map.get(a), map.get(b));
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
||
|
|
* @returns {Comparator<Chunk>} comparator
|
||
|
|
*/
|
||
|
|
exports.compareChunksNatural = chunkGraph => {
|
||
|
|
const cmpFn = exports.compareModulesById(chunkGraph);
|
||
|
|
const cmpIterableFn = compareIterables(cmpFn);
|
||
|
|
return concatComparators(
|
||
|
|
compareSelect(chunk => chunk.name, compareIds),
|
||
|
|
compareSelect(chunk => chunk.runtime, compareRuntime),
|
||
|
|
compareSelect(
|
||
|
|
/**
|
||
|
|
* @param {Chunk} chunk a chunk
|
||
|
|
* @returns {Iterable<Module>} modules
|
||
|
|
*/
|
||
|
|
chunk => chunkGraph.getOrderedChunkModulesIterable(chunk, cmpFn),
|
||
|
|
cmpIterableFn
|
||
|
|
)
|
||
|
|
);
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compare two locations
|
||
|
|
* @param {DependencyLocation} a A location node
|
||
|
|
* @param {DependencyLocation} b A location node
|
||
|
|
* @returns {-1|0|1} sorting comparator value
|
||
|
|
*/
|
||
|
|
exports.compareLocations = (a, b) => {
|
||
|
|
let isObjectA = typeof a === "object" && a !== null;
|
||
|
|
let isObjectB = typeof b === "object" && b !== null;
|
||
|
|
if (!isObjectA || !isObjectB) {
|
||
|
|
if (isObjectA) return 1;
|
||
|
|
if (isObjectB) return -1;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
if ("start" in a) {
|
||
|
|
if ("start" in b) {
|
||
|
|
const ap = a.start;
|
||
|
|
const bp = b.start;
|
||
|
|
if (ap.line < bp.line) return -1;
|
||
|
|
if (ap.line > bp.line) return 1;
|
||
|
|
if (ap.column < bp.column) return -1;
|
||
|
|
if (ap.column > bp.column) return 1;
|
||
|
|
} else return -1;
|
||
|
|
} else if ("start" in b) return 1;
|
||
|
|
if ("name" in a) {
|
||
|
|
if ("name" in b) {
|
||
|
|
if (a.name < b.name) return -1;
|
||
|
|
if (a.name > b.name) return 1;
|
||
|
|
} else return -1;
|
||
|
|
} else if ("name" in b) return 1;
|
||
|
|
if ("index" in a) {
|
||
|
|
if ("index" in b) {
|
||
|
|
if (a.index < b.index) return -1;
|
||
|
|
if (a.index > b.index) return 1;
|
||
|
|
} else return -1;
|
||
|
|
} else if ("index" in b) return 1;
|
||
|
|
return 0;
|
||
|
|
};
|