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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");
-
- let debugId = 1000;
-
- const sortById = (a, b) => {
- return a.id - b.id;
- };
-
- const sortByDebugId = (a, b) => {
- return a.debugId - b.debugId;
- };
-
- class Module extends DependenciesBlock {
-
- constructor() {
- super();
- this.context = null;
- this.reasons = [];
- this.debugId = debugId++;
- this.id = null;
- this.portableId = null;
- this.index = null;
- this.index2 = null;
- this.depth = null;
- this.used = null;
- this.usedExports = null;
- this.providedExports = null;
- this._chunks = new SortableSet(undefined, sortById);
- this._chunksDebugIdent = undefined;
- this.warnings = [];
- this.dependenciesWarnings = [];
- this.errors = [];
- this.dependenciesErrors = [];
- this.strict = false;
- this.meta = {};
- this.optimizationBailout = [];
- }
-
- disconnect() {
- this.reasons.length = 0;
- this.id = null;
- this.index = null;
- this.index2 = null;
- this.depth = null;
- this.used = null;
- this.usedExports = null;
- this.providedExports = null;
- this._chunks.clear();
- this._chunksDebugIdent = undefined;
- this.optimizationBailout.length = 0;
- super.disconnect();
- }
-
- unseal() {
- this.id = null;
- this.index = null;
- this.index2 = null;
- this.depth = null;
- this._chunks.clear();
- this._chunksDebugIdent = undefined;
- super.unseal();
- }
-
- setChunks(chunks) {
- this._chunks = new SortableSet(chunks, sortById);
- this._chunksDebugIdent = undefined;
- }
-
- addChunk(chunk) {
- this._chunks.add(chunk);
- this._chunksDebugIdent = undefined;
- }
-
- removeChunk(chunk) {
- if(this._chunks.delete(chunk)) {
- this._chunksDebugIdent = undefined;
- chunk.removeModule(this);
- return true;
- }
- return false;
- }
-
- isInChunk(chunk) {
- return this._chunks.has(chunk);
- }
-
- getChunkIdsIdent() {
- if(this._chunksDebugIdent !== undefined) return this._chunksDebugIdent;
- this._chunks.sortWith(sortByDebugId);
- const chunks = this._chunks;
- const list = [];
- for(const chunk of chunks) {
- const debugId = chunk.debugId;
-
- if(typeof debugId !== "number") {
- return this._chunksDebugIdent = null;
- }
-
- list.push(debugId);
- }
-
- return this._chunksDebugIdent = list.join(",");
- }
-
- forEachChunk(fn) {
- this._chunks.forEach(fn);
- }
-
- mapChunks(fn) {
- return Array.from(this._chunks, fn);
- }
-
- getChunks() {
- return Array.from(this._chunks);
- }
-
- getNumberOfChunks() {
- return this._chunks.size;
- }
-
- 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]();
- while(true) { // eslint-disable-line
- const aItem = a.next();
- const bItem = b.next();
- if(aItem.done) return true;
- if(aItem.value !== bItem.value) return false;
- }
- }
-
- addReason(module, dependency) {
- this.reasons.push(new ModuleReason(module, dependency));
- }
-
- 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) {
- for(let i = 0; i < this.reasons.length; i++) {
- if(this.reasons[i].hasChunk(chunk))
- return true;
- }
- return false;
- }
-
- rewriteChunkInReasons(oldChunk, newChunks) {
- for(let i = 0; i < this.reasons.length; i++) {
- this.reasons[i].rewriteChunks(oldChunk, newChunks);
- }
- }
-
- isUsed(exportName) {
- if(this.used === null) return exportName;
- if(!exportName) return !!this.used;
- 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;
- if(this.isProvided(exportName))
- return Template.numberToIdentifer(idx);
- return exportName;
- }
-
- isProvided(exportName) {
- if(!Array.isArray(this.providedExports))
- return null;
- return this.providedExports.indexOf(exportName) >= 0;
- }
-
- toString() {
- return `Module[${this.id || this.debugId}]`;
- }
-
- needRebuild(fileTimestamps, contextTimestamps) {
- return true;
- }
-
- updateHash(hash) {
- hash.update(this.id + "" + this.used);
- hash.update(JSON.stringify(this.usedExports));
- super.updateHash(hash);
- }
-
- sortItems(sortChunks) {
- super.sortItems();
- if(sortChunks)
- this._chunks.sort();
- this.reasons.sort((a, b) => sortById(a.module, b.module));
- if(Array.isArray(this.usedExports)) {
- this.usedExports.sort();
- }
- }
-
- unbuild() {
- this.disconnect();
- }
- }
-
- 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");
- }
- });
-
- Object.defineProperty(Module.prototype, "chunks", {
- configurable: false,
- get: util.deprecate(function() {
- return Array.from(this._chunks);
- }, "Module.chunks: Use Module.forEachChunk/mapChunks/getNumberOfChunks/isInChunk/addChunk/removeChunk instead"),
- set() {
- throw new Error("Readonly. Use Module.addChunk/removeChunk to modify chunks.");
- }
- });
-
- Module.prototype.identifier = null;
- Module.prototype.readableIdentifier = null;
- Module.prototype.build = null;
- Module.prototype.source = null;
- Module.prototype.size = null;
- Module.prototype.nameForCondition = null;
-
- module.exports = Module;
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