432 lines
9.9 KiB
JavaScript
432 lines
9.9 KiB
JavaScript
/*
|
|
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);
|
|
}
|
|
}
|
|
|
|
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;
|