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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/webpack/lib/Module.js
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Diffstat (limited to 'node_modules/webpack/lib/Module.js')
-rw-r--r--node_modules/webpack/lib/Module.js435
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diff --git a/node_modules/webpack/lib/Module.js b/node_modules/webpack/lib/Module.js
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+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const util = require("util");
+
+const DependenciesBlock = require("./DependenciesBlock");
+const ModuleReason = require("./ModuleReason");
+const SortableSet = require("./util/SortableSet");
+const Template = require("./Template");
+
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./RequestShortener")} RequestShortener */
+/** @typedef {import("./WebpackError")} WebpackError */
+/** @typedef {import("./util/createHash").Hash} Hash */
+
+const EMPTY_RESOLVE_OPTIONS = {};
+
+let debugId = 1000;
+
+const sortById = (a, b) => {
+ return a.id - b.id;
+};
+
+const sortByDebugId = (a, b) => {
+ return a.debugId - b.debugId;
+};
+
+/** @typedef {(requestShortener: RequestShortener) => string} OptimizationBailoutFunction */
+
+class Module extends DependenciesBlock {
+ constructor(type, context = null) {
+ super();
+ /** @type {string} */
+ this.type = type;
+ /** @type {string} */
+ this.context = context;
+
+ // Unique Id
+ /** @type {number} */
+ this.debugId = debugId++;
+
+ // Hash
+ /** @type {string} */
+ this.hash = undefined;
+ /** @type {string} */
+ this.renderedHash = undefined;
+
+ // Info from Factory
+ /** @type {TODO} */
+ this.resolveOptions = EMPTY_RESOLVE_OPTIONS;
+ /** @type {object} */
+ this.factoryMeta = {};
+
+ // Info from Build
+ /** @type {WebpackError[]} */
+ this.warnings = [];
+ /** @type {WebpackError[]} */
+ this.errors = [];
+ /** @type {object} */
+ this.buildMeta = undefined;
+ /** @type {object} */
+ this.buildInfo = undefined;
+
+ // Graph (per Compilation)
+ /** @type {ModuleReason[]} */
+ this.reasons = [];
+ /** @type {SortableSet<Chunk>} */
+ this._chunks = new SortableSet(undefined, sortById);
+
+ // Info from Compilation (per Compilation)
+ /** @type {number|string} */
+ this.id = null;
+ /** @type {number} */
+ this.index = null;
+ /** @type {number} */
+ this.index2 = null;
+ /** @type {number} */
+ this.depth = null;
+ /** @type {Module} */
+ this.issuer = null;
+ /** @type {undefined | object} */
+ this.profile = undefined;
+ /** @type {boolean} */
+ this.prefetched = false;
+ /** @type {boolean} */
+ this.built = false;
+
+ // Info from Optimization (per Compilation)
+ /** @type {null | boolean} */
+ this.used = null;
+ /** @type {false | true | string[]} */
+ this.usedExports = null;
+ /** @type {(string | OptimizationBailoutFunction)[]} */
+ this.optimizationBailout = [];
+
+ // delayed operations
+ /** @type {undefined | {oldChunk: Chunk, newChunks: Chunk[]}[] } */
+ this._rewriteChunkInReasons = undefined;
+
+ /** @type {boolean} */
+ this.useSourceMap = false;
+
+ // info from build
+ this._source = null;
+ }
+
+ get exportsArgument() {
+ return (this.buildInfo && this.buildInfo.exportsArgument) || "exports";
+ }
+
+ get moduleArgument() {
+ return (this.buildInfo && this.buildInfo.moduleArgument) || "module";
+ }
+
+ disconnect() {
+ this.hash = undefined;
+ this.renderedHash = undefined;
+
+ this.reasons.length = 0;
+ this._rewriteChunkInReasons = undefined;
+ this._chunks.clear();
+
+ this.id = null;
+ this.index = null;
+ this.index2 = null;
+ this.depth = null;
+ this.issuer = null;
+ this.profile = undefined;
+ this.prefetched = false;
+ this.built = false;
+
+ this.used = null;
+ this.usedExports = null;
+ this.optimizationBailout.length = 0;
+ super.disconnect();
+ }
+
+ unseal() {
+ this.id = null;
+ this.index = null;
+ this.index2 = null;
+ this.depth = null;
+ this._chunks.clear();
+ super.unseal();
+ }
+
+ setChunks(chunks) {
+ this._chunks = new SortableSet(chunks, sortById);
+ }
+
+ addChunk(chunk) {
+ if (this._chunks.has(chunk)) return false;
+ this._chunks.add(chunk);
+ return true;
+ }
+
+ removeChunk(chunk) {
+ if (this._chunks.delete(chunk)) {
+ chunk.removeModule(this);
+ return true;
+ }
+ return false;
+ }
+
+ isInChunk(chunk) {
+ return this._chunks.has(chunk);
+ }
+
+ isEntryModule() {
+ for (const chunk of this._chunks) {
+ if (chunk.entryModule === this) return true;
+ }
+ return false;
+ }
+
+ get optional() {
+ return (
+ this.reasons.length > 0 &&
+ this.reasons.every(r => r.dependency && r.dependency.optional)
+ );
+ }
+
+ /**
+ * @returns {Chunk[]} all chunks which contain the module
+ */
+ getChunks() {
+ return Array.from(this._chunks);
+ }
+
+ getNumberOfChunks() {
+ return this._chunks.size;
+ }
+
+ get chunksIterable() {
+ return this._chunks;
+ }
+
+ hasEqualsChunks(otherModule) {
+ if (this._chunks.size !== otherModule._chunks.size) return false;
+ this._chunks.sortWith(sortByDebugId);
+ otherModule._chunks.sortWith(sortByDebugId);
+ const a = this._chunks[Symbol.iterator]();
+ const b = otherModule._chunks[Symbol.iterator]();
+ // eslint-disable-next-line no-constant-condition
+ while (true) {
+ const aItem = a.next();
+ const bItem = b.next();
+ if (aItem.done) return true;
+ if (aItem.value !== bItem.value) return false;
+ }
+ }
+
+ addReason(module, dependency, explanation) {
+ this.reasons.push(new ModuleReason(module, dependency, explanation));
+ }
+
+ removeReason(module, dependency) {
+ for (let i = 0; i < this.reasons.length; i++) {
+ let r = this.reasons[i];
+ if (r.module === module && r.dependency === dependency) {
+ this.reasons.splice(i, 1);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ hasReasonForChunk(chunk) {
+ if (this._rewriteChunkInReasons) {
+ for (const operation of this._rewriteChunkInReasons) {
+ this._doRewriteChunkInReasons(operation.oldChunk, operation.newChunks);
+ }
+ this._rewriteChunkInReasons = undefined;
+ }
+ for (let i = 0; i < this.reasons.length; i++) {
+ if (this.reasons[i].hasChunk(chunk)) return true;
+ }
+ return false;
+ }
+
+ hasReasons() {
+ return this.reasons.length > 0;
+ }
+
+ rewriteChunkInReasons(oldChunk, newChunks) {
+ // This is expensive. Delay operation until we really need the data
+ if (this._rewriteChunkInReasons === undefined) {
+ this._rewriteChunkInReasons = [];
+ }
+ this._rewriteChunkInReasons.push({
+ oldChunk,
+ newChunks
+ });
+ }
+
+ _doRewriteChunkInReasons(oldChunk, newChunks) {
+ for (let i = 0; i < this.reasons.length; i++) {
+ this.reasons[i].rewriteChunks(oldChunk, newChunks);
+ }
+ }
+
+ /**
+ * @param {string=} exportName the name of the export
+ * @returns {boolean|string} false if the export isn't used, true if no exportName is provided and the module is used, or the name to access it if the export is used
+ */
+ isUsed(exportName) {
+ if (!exportName) return this.used !== false;
+ if (this.used === null || this.usedExports === null) return exportName;
+ if (!this.used) return false;
+ if (!this.usedExports) return false;
+ if (this.usedExports === true) return exportName;
+ let idx = this.usedExports.indexOf(exportName);
+ if (idx < 0) return false;
+
+ // Mangle export name if possible
+ if (this.isProvided(exportName)) {
+ if (this.buildMeta.exportsType === "namespace") {
+ return Template.numberToIdentifer(idx);
+ }
+ if (
+ this.buildMeta.exportsType === "named" &&
+ !this.usedExports.includes("default")
+ ) {
+ return Template.numberToIdentifer(idx);
+ }
+ }
+ return exportName;
+ }
+
+ isProvided(exportName) {
+ if (!Array.isArray(this.buildMeta.providedExports)) return null;
+ return this.buildMeta.providedExports.includes(exportName);
+ }
+
+ toString() {
+ return `Module[${this.id || this.debugId}]`;
+ }
+
+ needRebuild(fileTimestamps, contextTimestamps) {
+ return true;
+ }
+
+ /**
+ * @param {Hash} hash the hash used to track dependencies
+ * @returns {void}
+ */
+ updateHash(hash) {
+ hash.update(`${this.id}`);
+ hash.update(JSON.stringify(this.usedExports));
+ super.updateHash(hash);
+ }
+
+ sortItems(sortChunks) {
+ super.sortItems();
+ if (sortChunks) this._chunks.sort();
+ this.reasons.sort((a, b) => {
+ if (a.module === b.module) return 0;
+ if (!a.module) return -1;
+ if (!b.module) return 1;
+ return sortById(a.module, b.module);
+ });
+ if (Array.isArray(this.usedExports)) {
+ this.usedExports.sort();
+ }
+ }
+
+ unbuild() {
+ this.dependencies.length = 0;
+ this.blocks.length = 0;
+ this.variables.length = 0;
+ this.buildMeta = undefined;
+ this.buildInfo = undefined;
+ this.disconnect();
+ }
+
+ get arguments() {
+ throw new Error("Module.arguments was removed, there is no replacement.");
+ }
+
+ set arguments(value) {
+ throw new Error("Module.arguments was removed, there is no replacement.");
+ }
+}
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "forEachChunk", {
+ configurable: false,
+ value: util.deprecate(
+ /**
+ * @deprecated
+ * @param {function(any, any, Set<any>): void} fn callback function
+ * @returns {void}
+ * @this {Module}
+ */
+ function(fn) {
+ this._chunks.forEach(fn);
+ },
+ "Module.forEachChunk: Use for(const chunk of module.chunksIterable) instead"
+ )
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "mapChunks", {
+ configurable: false,
+ value: util.deprecate(
+ /**
+ * @deprecated
+ * @param {function(any, any): void} fn Mapper function
+ * @returns {Array<TODO>} Array of chunks mapped
+ * @this {Module}
+ */
+ function(fn) {
+ return Array.from(this._chunks, fn);
+ },
+ "Module.mapChunks: Use Array.from(module.chunksIterable, fn) instead"
+ )
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "entry", {
+ configurable: false,
+ get() {
+ throw new Error("Module.entry was removed. Use Chunk.entryModule");
+ },
+ set() {
+ throw new Error("Module.entry was removed. Use Chunk.entryModule");
+ }
+});
+
+// TODO remove in webpack 5
+Object.defineProperty(Module.prototype, "meta", {
+ configurable: false,
+ get: util.deprecate(
+ /**
+ * @deprecated
+ * @returns {void}
+ * @this {Module}
+ */
+ function() {
+ return this.buildMeta;
+ },
+ "Module.meta was renamed to Module.buildMeta"
+ ),
+ set: util.deprecate(
+ /**
+ * @deprecated
+ * @param {TODO} value Value
+ * @returns {void}
+ * @this {Module}
+ */
+ function(value) {
+ this.buildMeta = value;
+ },
+ "Module.meta was renamed to Module.buildMeta"
+ )
+});
+
+/** @type {function(): string} */
+Module.prototype.identifier = null;
+
+/** @type {function(RequestShortener): string} */
+Module.prototype.readableIdentifier = null;
+
+Module.prototype.build = null;
+Module.prototype.source = null;
+Module.prototype.size = null;
+Module.prototype.nameForCondition = null;
+/** @type {null | function(Chunk): boolean} */
+Module.prototype.chunkCondition = null;
+Module.prototype.updateCacheModule = null;
+
+module.exports = Module;