[6a3a178] | 1 | /*
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| 2 | MIT License http://www.opensource.org/licenses/mit-license.php
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| 3 | Author Tobias Koppers @sokra
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| 4 | */
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| 5 |
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| 6 | "use strict";
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| 7 |
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| 8 | const { compareNumbers } = require("./util/comparators");
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| 9 | const identifierUtils = require("./util/identifier");
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| 10 |
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| 11 | /** @typedef {import("./Chunk")} Chunk */
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| 12 | /** @typedef {import("./Compiler")} Compiler */
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| 13 | /** @typedef {import("./Module")} Module */
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| 14 |
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| 15 | /**
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| 16 | * @typedef {Object} RecordsChunks
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| 17 | * @property {Record<string, number>=} byName
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| 18 | * @property {Record<string, number>=} bySource
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| 19 | * @property {number[]=} usedIds
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| 20 | */
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| 21 |
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| 22 | /**
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| 23 | * @typedef {Object} RecordsModules
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| 24 | * @property {Record<string, number>=} byIdentifier
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| 25 | * @property {Record<string, number>=} bySource
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| 26 | * @property {number[]=} usedIds
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| 27 | */
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| 28 |
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| 29 | /**
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| 30 | * @typedef {Object} Records
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| 31 | * @property {RecordsChunks=} chunks
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| 32 | * @property {RecordsModules=} modules
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| 33 | */
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| 34 |
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| 35 | class RecordIdsPlugin {
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| 36 | /**
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| 37 | * @param {Object} options Options object
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| 38 | * @param {boolean=} options.portableIds true, when ids need to be portable
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| 39 | */
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| 40 | constructor(options) {
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| 41 | this.options = options || {};
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| 42 | }
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| 43 |
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| 44 | /**
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| 45 | * @param {Compiler} compiler the Compiler
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| 46 | * @returns {void}
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| 47 | */
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| 48 | apply(compiler) {
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| 49 | const portableIds = this.options.portableIds;
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| 50 |
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| 51 | const makePathsRelative =
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| 52 | identifierUtils.makePathsRelative.bindContextCache(
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| 53 | compiler.context,
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| 54 | compiler.root
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| 55 | );
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| 56 |
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| 57 | /**
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| 58 | * @param {Module} module the module
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| 59 | * @returns {string} the (portable) identifier
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| 60 | */
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| 61 | const getModuleIdentifier = module => {
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| 62 | if (portableIds) {
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| 63 | return makePathsRelative(module.identifier());
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| 64 | }
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| 65 | return module.identifier();
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| 66 | };
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| 67 |
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| 68 | compiler.hooks.compilation.tap("RecordIdsPlugin", compilation => {
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| 69 | compilation.hooks.recordModules.tap(
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| 70 | "RecordIdsPlugin",
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| 71 | /**
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| 72 | * @param {Module[]} modules the modules array
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| 73 | * @param {Records} records the records object
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| 74 | * @returns {void}
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| 75 | */
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| 76 | (modules, records) => {
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| 77 | const chunkGraph = compilation.chunkGraph;
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| 78 | if (!records.modules) records.modules = {};
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| 79 | if (!records.modules.byIdentifier) records.modules.byIdentifier = {};
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| 80 | /** @type {Set<number>} */
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| 81 | const usedIds = new Set();
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| 82 | for (const module of modules) {
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| 83 | const moduleId = chunkGraph.getModuleId(module);
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| 84 | if (typeof moduleId !== "number") continue;
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| 85 | const identifier = getModuleIdentifier(module);
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| 86 | records.modules.byIdentifier[identifier] = moduleId;
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| 87 | usedIds.add(moduleId);
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| 88 | }
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| 89 | records.modules.usedIds = Array.from(usedIds).sort(compareNumbers);
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| 90 | }
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| 91 | );
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| 92 | compilation.hooks.reviveModules.tap(
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| 93 | "RecordIdsPlugin",
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| 94 | /**
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| 95 | * @param {Module[]} modules the modules array
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| 96 | * @param {Records} records the records object
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| 97 | * @returns {void}
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| 98 | */
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| 99 | (modules, records) => {
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| 100 | if (!records.modules) return;
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| 101 | if (records.modules.byIdentifier) {
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| 102 | const chunkGraph = compilation.chunkGraph;
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| 103 | /** @type {Set<number>} */
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| 104 | const usedIds = new Set();
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| 105 | for (const module of modules) {
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| 106 | const moduleId = chunkGraph.getModuleId(module);
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| 107 | if (moduleId !== null) continue;
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| 108 | const identifier = getModuleIdentifier(module);
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| 109 | const id = records.modules.byIdentifier[identifier];
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| 110 | if (id === undefined) continue;
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| 111 | if (usedIds.has(id)) continue;
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| 112 | usedIds.add(id);
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| 113 | chunkGraph.setModuleId(module, id);
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| 114 | }
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| 115 | }
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| 116 | if (Array.isArray(records.modules.usedIds)) {
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| 117 | compilation.usedModuleIds = new Set(records.modules.usedIds);
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| 118 | }
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| 119 | }
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| 120 | );
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| 121 |
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| 122 | /**
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| 123 | * @param {Chunk} chunk the chunk
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| 124 | * @returns {string[]} sources of the chunk
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| 125 | */
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| 126 | const getChunkSources = chunk => {
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| 127 | /** @type {string[]} */
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| 128 | const sources = [];
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| 129 | for (const chunkGroup of chunk.groupsIterable) {
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| 130 | const index = chunkGroup.chunks.indexOf(chunk);
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| 131 | if (chunkGroup.name) {
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| 132 | sources.push(`${index} ${chunkGroup.name}`);
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| 133 | } else {
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| 134 | for (const origin of chunkGroup.origins) {
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| 135 | if (origin.module) {
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| 136 | if (origin.request) {
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| 137 | sources.push(
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| 138 | `${index} ${getModuleIdentifier(origin.module)} ${
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| 139 | origin.request
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| 140 | }`
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| 141 | );
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| 142 | } else if (typeof origin.loc === "string") {
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| 143 | sources.push(
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| 144 | `${index} ${getModuleIdentifier(origin.module)} ${
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| 145 | origin.loc
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| 146 | }`
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| 147 | );
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| 148 | } else if (
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| 149 | origin.loc &&
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| 150 | typeof origin.loc === "object" &&
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| 151 | "start" in origin.loc
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| 152 | ) {
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| 153 | sources.push(
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| 154 | `${index} ${getModuleIdentifier(
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| 155 | origin.module
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| 156 | )} ${JSON.stringify(origin.loc.start)}`
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| 157 | );
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| 158 | }
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| 159 | }
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| 160 | }
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| 161 | }
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| 162 | }
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| 163 | return sources;
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| 164 | };
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| 165 |
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| 166 | compilation.hooks.recordChunks.tap(
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| 167 | "RecordIdsPlugin",
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| 168 | /**
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| 169 | * @param {Chunk[]} chunks the chunks array
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| 170 | * @param {Records} records the records object
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| 171 | * @returns {void}
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| 172 | */
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| 173 | (chunks, records) => {
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| 174 | if (!records.chunks) records.chunks = {};
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| 175 | if (!records.chunks.byName) records.chunks.byName = {};
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| 176 | if (!records.chunks.bySource) records.chunks.bySource = {};
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| 177 | /** @type {Set<number>} */
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| 178 | const usedIds = new Set();
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| 179 | for (const chunk of chunks) {
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| 180 | if (typeof chunk.id !== "number") continue;
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| 181 | const name = chunk.name;
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| 182 | if (name) records.chunks.byName[name] = chunk.id;
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| 183 | const sources = getChunkSources(chunk);
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| 184 | for (const source of sources) {
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| 185 | records.chunks.bySource[source] = chunk.id;
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| 186 | }
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| 187 | usedIds.add(chunk.id);
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| 188 | }
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| 189 | records.chunks.usedIds = Array.from(usedIds).sort(compareNumbers);
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| 190 | }
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| 191 | );
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| 192 | compilation.hooks.reviveChunks.tap(
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| 193 | "RecordIdsPlugin",
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| 194 | /**
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| 195 | * @param {Chunk[]} chunks the chunks array
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| 196 | * @param {Records} records the records object
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| 197 | * @returns {void}
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| 198 | */
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| 199 | (chunks, records) => {
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| 200 | if (!records.chunks) return;
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| 201 | /** @type {Set<number>} */
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| 202 | const usedIds = new Set();
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| 203 | if (records.chunks.byName) {
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| 204 | for (const chunk of chunks) {
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| 205 | if (chunk.id !== null) continue;
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| 206 | if (!chunk.name) continue;
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| 207 | const id = records.chunks.byName[chunk.name];
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| 208 | if (id === undefined) continue;
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| 209 | if (usedIds.has(id)) continue;
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| 210 | usedIds.add(id);
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| 211 | chunk.id = id;
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| 212 | chunk.ids = [id];
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| 213 | }
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| 214 | }
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| 215 | if (records.chunks.bySource) {
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| 216 | for (const chunk of chunks) {
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| 217 | if (chunk.id !== null) continue;
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| 218 | const sources = getChunkSources(chunk);
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| 219 | for (const source of sources) {
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| 220 | const id = records.chunks.bySource[source];
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| 221 | if (id === undefined) continue;
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| 222 | if (usedIds.has(id)) continue;
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| 223 | usedIds.add(id);
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| 224 | chunk.id = id;
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| 225 | chunk.ids = [id];
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| 226 | break;
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| 227 | }
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| 228 | }
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| 229 | }
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| 230 | if (Array.isArray(records.chunks.usedIds)) {
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| 231 | compilation.usedChunkIds = new Set(records.chunks.usedIds);
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| 232 | }
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| 233 | }
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| 234 | );
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| 235 | });
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| 236 | }
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| 237 | }
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| 238 | module.exports = RecordIdsPlugin;
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