790 lines
23 KiB
JavaScript
790 lines
23 KiB
JavaScript
/*
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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 { OriginalSource, RawSource } = require("webpack-sources");
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const AsyncDependenciesBlock = require("./AsyncDependenciesBlock");
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const Module = require("./Module");
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const Template = require("./Template");
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const contextify = require("./util/identifier").contextify;
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("./Compilation")} Compilation */
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/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
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/** @typedef {import("./Module").LibIdentOptions} LibIdentOptions */
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/** @typedef {import("./Module").SourceContext} SourceContext */
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/** @typedef {import("./ModuleGraph")} ModuleGraph */
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/** @typedef {import("./RequestShortener")} RequestShortener */
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/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
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/** @typedef {import("./dependencies/ContextElementDependency")} ContextElementDependency */
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/** @typedef {"sync" | "eager" | "weak" | "async-weak" | "lazy" | "lazy-once"} ContextMode Context mode */
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/**
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* @callback ResolveDependenciesCallback
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* @param {Error=} err
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* @param {ContextElementDependency[]} dependencies
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*/
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/**
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* @callback ResolveDependencies
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* @param {TODO} fs
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* @param {TODO} options
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* @param {ResolveDependenciesCallback} callback
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*/
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class ContextModule extends Module {
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// type ContextMode = "sync" | "eager" | "weak" | "async-weak" | "lazy" | "lazy-once"
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// type ContextOptions = { resource: string, recursive: boolean, regExp: RegExp, addon?: string, mode?: ContextMode, chunkName?: string, include?: RegExp, exclude?: RegExp, groupOptions?: Object }
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// resolveDependencies: (fs: FS, options: ContextOptions, (err: Error?, dependencies: Dependency[]) => void) => void
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// options: ContextOptions
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/**
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* @param {ResolveDependencies} resolveDependencies function to get dependencies in this context
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* @param {TODO} options options object
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*/
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constructor(resolveDependencies, options) {
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let resource;
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let resourceQuery;
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const queryIdx = options.resource.indexOf("?");
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if (queryIdx >= 0) {
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resource = options.resource.substr(0, queryIdx);
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resourceQuery = options.resource.substr(queryIdx);
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} else {
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resource = options.resource;
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resourceQuery = "";
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}
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super("javascript/dynamic", resource);
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// Info from Factory
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this.resolveDependencies = resolveDependencies;
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this.options = Object.assign({}, options, {
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resource: resource,
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resourceQuery: resourceQuery
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});
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if (options.resolveOptions !== undefined) {
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this.resolveOptions = options.resolveOptions;
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}
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// Info from Build
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this._contextDependencies = new Set([this.context]);
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if (typeof options.mode !== "string") {
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throw new Error("options.mode is a required option");
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}
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this._identifier = this._createIdentifier();
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}
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/**
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* Assuming this module is in the cache. Update the (cached) module with
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* the fresh module from the factory. Usually updates internal references
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* and properties.
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* @param {Module} module fresh module
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* @returns {void}
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*/
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updateCacheModule(module) {
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const m = /** @type {ContextModule} */ (module);
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this.resolveDependencies = m.resolveDependencies;
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this.options = m.options;
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this.resolveOptions = m.resolveOptions;
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}
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prettyRegExp(regexString) {
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// remove the "/" at the front and the beginning
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// "/foo/" -> "foo"
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return regexString.substring(1, regexString.length - 1);
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}
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_createIdentifier() {
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let identifier = this.context;
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if (this.options.resourceQuery) {
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identifier += ` ${this.options.resourceQuery}`;
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}
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if (this.options.mode) {
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identifier += ` ${this.options.mode}`;
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}
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if (!this.options.recursive) {
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identifier += " nonrecursive";
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}
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if (this.options.addon) {
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identifier += ` ${this.options.addon}`;
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}
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if (this.options.regExp) {
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identifier += ` ${this.options.regExp}`;
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}
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if (this.options.include) {
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identifier += ` include: ${this.options.include}`;
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}
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if (this.options.exclude) {
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identifier += ` exclude: ${this.options.exclude}`;
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}
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if (this.options.groupOptions) {
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identifier += ` groupOptions: ${JSON.stringify(
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this.options.groupOptions
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)}`;
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}
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if (this.options.namespaceObject === "strict") {
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identifier += " strict namespace object";
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} else if (this.options.namespaceObject) {
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identifier += " namespace object";
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}
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return identifier;
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}
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/**
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* @returns {string} a unique identifier of the module
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*/
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identifier() {
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return this._identifier;
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}
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/**
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* @param {RequestShortener} requestShortener the request shortener
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* @returns {string} a user readable identifier of the module
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*/
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readableIdentifier(requestShortener) {
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let identifier = requestShortener.shorten(this.context);
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if (this.options.resourceQuery) {
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identifier += ` ${this.options.resourceQuery}`;
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}
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if (this.options.mode) {
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identifier += ` ${this.options.mode}`;
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}
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if (!this.options.recursive) {
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identifier += " nonrecursive";
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}
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if (this.options.addon) {
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identifier += ` ${requestShortener.shorten(this.options.addon)}`;
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}
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if (this.options.regExp) {
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identifier += ` ${this.prettyRegExp(this.options.regExp + "")}`;
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}
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if (this.options.include) {
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identifier += ` include: ${this.prettyRegExp(this.options.include + "")}`;
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}
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if (this.options.exclude) {
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identifier += ` exclude: ${this.prettyRegExp(this.options.exclude + "")}`;
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}
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if (this.options.groupOptions) {
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const groupOptions = this.options.groupOptions;
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for (const key of Object.keys(groupOptions)) {
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identifier += ` ${key}: ${groupOptions[key]}`;
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}
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}
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if (this.options.namespaceObject === "strict") {
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identifier += " strict namespace object";
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} else if (this.options.namespaceObject) {
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identifier += " namespace object";
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}
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return identifier;
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}
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/**
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* @param {LibIdentOptions} options options
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* @returns {string | null} an identifier for library inclusion
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*/
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libIdent(options) {
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let identifier = contextify(options.context, this.context);
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if (this.options.mode) {
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identifier += ` ${this.options.mode}`;
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}
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if (this.options.recursive) {
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identifier += " recursive";
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}
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if (this.options.addon) {
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identifier += ` ${contextify(options.context, this.options.addon)}`;
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}
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if (this.options.regExp) {
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identifier += ` ${this.prettyRegExp(this.options.regExp + "")}`;
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}
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if (this.options.include) {
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identifier += ` include: ${this.prettyRegExp(this.options.include + "")}`;
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}
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if (this.options.exclude) {
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identifier += ` exclude: ${this.prettyRegExp(this.options.exclude + "")}`;
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}
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return identifier;
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}
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/**
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* @param {TODO} fileTimestamps timestamps of files
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* @param {TODO} contextTimestamps timestamps of directories
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* @returns {boolean} true, if the module needs a rebuild
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*/
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needRebuild(fileTimestamps, contextTimestamps) {
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const ts = contextTimestamps.get(this.context);
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if (!ts) {
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return true;
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}
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return ts >= this.buildInfo.builtTime;
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}
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/**
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* @param {TODO} options TODO
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* @param {Compilation} compilation the compilation
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* @param {TODO} resolver TODO
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* @param {TODO} fs the file system
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* @param {function(Error=): void} callback callback function
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* @returns {void}
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*/
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build(options, compilation, resolver, fs, callback) {
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this.buildMeta = {};
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this.buildInfo = {
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builtTime: Date.now(),
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contextDependencies: this._contextDependencies
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};
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this.resolveDependencies(fs, this.options, (err, dependencies) => {
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if (err) return callback(err);
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// abort if something failed
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// this will create an empty context
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if (!dependencies) {
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callback();
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return;
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}
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// enhance dependencies with meta info
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for (const dep of dependencies) {
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dep.loc = {
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name: dep.userRequest
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};
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dep.request = this.options.addon + dep.request;
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}
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if (this.options.mode === "sync" || this.options.mode === "eager") {
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// if we have an sync or eager context
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// just add all dependencies and continue
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this.dependencies = dependencies;
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} else if (this.options.mode === "lazy-once") {
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// for the lazy-once mode create a new async dependency block
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// and add that block to this context
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if (dependencies.length > 0) {
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const block = new AsyncDependenciesBlock(
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Object.assign({}, this.options.groupOptions, {
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name: this.options.chunkName
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}),
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this
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);
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for (const dep of dependencies) {
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block.addDependency(dep);
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}
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this.addBlock(block);
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}
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} else if (
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this.options.mode === "weak" ||
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this.options.mode === "async-weak"
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) {
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// we mark all dependencies as weak
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for (const dep of dependencies) {
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dep.weak = true;
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}
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this.dependencies = dependencies;
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} else if (this.options.mode === "lazy") {
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// if we are lazy create a new async dependency block per dependency
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// and add all blocks to this context
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let index = 0;
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for (const dep of dependencies) {
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let chunkName = this.options.chunkName;
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if (chunkName) {
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if (!/\[(index|request)\]/.test(chunkName)) {
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chunkName += "[index]";
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}
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chunkName = chunkName.replace(/\[index\]/g, index++);
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chunkName = chunkName.replace(
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/\[request\]/g,
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Template.toPath(dep.userRequest)
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);
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}
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const block = new AsyncDependenciesBlock(
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Object.assign({}, this.options.groupOptions, {
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name: chunkName
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}),
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compilation.moduleGraph.getModule(dep),
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dep.loc,
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dep.userRequest
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);
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block.addDependency(dep);
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this.addBlock(block);
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}
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} else {
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callback(
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new Error(`Unsupported mode "${this.options.mode}" in context`)
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);
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return;
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}
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callback();
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});
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}
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/**
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* @param {ContextElementDependency[]} dependencies all dependencies
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* @param {ModuleGraph} moduleGraph module graph
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* @returns {TODO} TODO
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*/
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getUserRequestMap(dependencies, moduleGraph) {
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// if we filter first we get a new array
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// therefor we dont need to create a clone of dependencies explicitly
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// therefore the order of this is !important!
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return dependencies
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.filter(dependency => moduleGraph.getModule(dependency))
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.sort((a, b) => {
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if (a.userRequest === b.userRequest) {
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return 0;
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}
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return a.userRequest < b.userRequest ? -1 : 1;
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})
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.reduce((map, dep) => {
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map[dep.userRequest] = moduleGraph.getModule(dep).id;
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return map;
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}, Object.create(null));
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}
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/**
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* @param {ContextElementDependency[]} dependencies all dependencies
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* @param {ModuleGraph} moduleGraph module graph
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* @returns {TODO} TODO
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*/
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getFakeMap(dependencies, moduleGraph) {
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if (!this.options.namespaceObject) {
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return 9;
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}
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// if we filter first we get a new array
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// therefor we dont need to create a clone of dependencies explicitly
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// therefore the order of this is !important!
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let hasNonHarmony = false;
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let hasNamespace = false;
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let hasNamed = false;
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const fakeMap = dependencies
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.map(dependency => ({
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module: moduleGraph.getModule(dependency),
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dependency
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}))
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.filter(item => item.module)
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.sort((a, b) => {
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if (a.module.id < b.module.id) return -1;
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if (a.module.id > b.module.id) return 1;
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return 0;
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})
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.reduce((map, { dependency: dep, module }) => {
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const exportsType = module.buildMeta && module.buildMeta.exportsType;
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const id = module.id;
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if (!exportsType) {
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map[id] = this.options.namespaceObject === "strict" ? 1 : 7;
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hasNonHarmony = true;
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} else if (exportsType === "namespace") {
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map[id] = 9;
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hasNamespace = true;
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} else if (exportsType === "named") {
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map[id] = 3;
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hasNamed = true;
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}
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return map;
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}, Object.create(null));
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if (!hasNamespace && hasNonHarmony && !hasNamed) {
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return this.options.namespaceObject === "strict" ? 1 : 7;
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}
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if (hasNamespace && !hasNonHarmony && !hasNamed) {
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return 9;
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}
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if (!hasNamespace && !hasNonHarmony && hasNamed) {
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return 3;
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}
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if (!hasNamespace && !hasNonHarmony && !hasNamed) {
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return 9;
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}
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return fakeMap;
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}
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getFakeMapInitStatement(fakeMap) {
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return typeof fakeMap === "object"
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? `var fakeMap = ${JSON.stringify(fakeMap, null, "\t")};`
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: "";
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}
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getReturn(type) {
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if (type === 9) {
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return "__webpack_require__(id)";
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}
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return `__webpack_require__.t(id, ${type})`;
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}
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getReturnModuleObjectSource(fakeMap, fakeMapDataExpression = "fakeMap[id]") {
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if (typeof fakeMap === "number") {
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return `return ${this.getReturn(fakeMap)};`;
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}
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return `return __webpack_require__.t(id, ${fakeMapDataExpression})`;
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}
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getSyncSource(dependencies, id, moduleGraph) {
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const map = this.getUserRequestMap(dependencies, moduleGraph);
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const fakeMap = this.getFakeMap(dependencies, moduleGraph);
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const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
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return `var map = ${JSON.stringify(map, null, "\t")};
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${this.getFakeMapInitStatement(fakeMap)}
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function webpackContext(req) {
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var id = webpackContextResolve(req);
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${returnModuleObject}
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}
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function webpackContextResolve(req) {
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var id = map[req];
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if(!(id + 1)) { // check for number or string
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var e = new Error("Cannot find module '" + req + "'");
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e.code = 'MODULE_NOT_FOUND';
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throw e;
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}
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return id;
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}
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webpackContext.keys = function webpackContextKeys() {
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return Object.keys(map);
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};
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webpackContext.resolve = webpackContextResolve;
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module.exports = webpackContext;
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webpackContext.id = ${JSON.stringify(id)};`;
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}
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getWeakSyncSource(dependencies, id, moduleGraph) {
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const map = this.getUserRequestMap(dependencies, moduleGraph);
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const fakeMap = this.getFakeMap(dependencies, moduleGraph);
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const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
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return `var map = ${JSON.stringify(map, null, "\t")};
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${this.getFakeMapInitStatement(fakeMap)}
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function webpackContext(req) {
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var id = webpackContextResolve(req);
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if(!__webpack_require__.m[id]) {
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var e = new Error("Module '" + req + "' ('" + id + "') is not available (weak dependency)");
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e.code = 'MODULE_NOT_FOUND';
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throw e;
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}
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${returnModuleObject}
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}
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function webpackContextResolve(req) {
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var id = map[req];
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if(!(id + 1)) { // check for number or string
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var e = new Error("Cannot find module '" + req + "'");
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e.code = 'MODULE_NOT_FOUND';
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throw e;
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}
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return id;
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}
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webpackContext.keys = function webpackContextKeys() {
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return Object.keys(map);
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};
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webpackContext.resolve = webpackContextResolve;
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webpackContext.id = ${JSON.stringify(id)};
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module.exports = webpackContext;`;
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}
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getAsyncWeakSource(dependencies, id, moduleGraph) {
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const map = this.getUserRequestMap(dependencies, moduleGraph);
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const fakeMap = this.getFakeMap(dependencies, moduleGraph);
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const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
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return `var map = ${JSON.stringify(map, null, "\t")};
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${this.getFakeMapInitStatement(fakeMap)}
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function webpackAsyncContext(req) {
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return webpackAsyncContextResolve(req).then(function(id) {
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if(!__webpack_require__.m[id]) {
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var e = new Error("Module '" + req + "' ('" + id + "') is not available (weak dependency)");
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e.code = 'MODULE_NOT_FOUND';
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throw e;
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}
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${returnModuleObject}
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});
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}
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function webpackAsyncContextResolve(req) {
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// Here Promise.resolve().then() is used instead of new Promise() to prevent
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// uncaught exception popping up in devtools
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return Promise.resolve().then(function() {
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var id = map[req];
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if(!(id + 1)) { // check for number or string
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var e = new Error("Cannot find module '" + req + "'");
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e.code = 'MODULE_NOT_FOUND';
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throw e;
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}
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return id;
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});
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}
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webpackAsyncContext.keys = function webpackAsyncContextKeys() {
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return Object.keys(map);
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};
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webpackAsyncContext.resolve = webpackAsyncContextResolve;
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webpackAsyncContext.id = ${JSON.stringify(id)};
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module.exports = webpackAsyncContext;`;
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}
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getEagerSource(dependencies, id, moduleGraph) {
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const map = this.getUserRequestMap(dependencies, moduleGraph);
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const fakeMap = this.getFakeMap(dependencies, moduleGraph);
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const thenFunction =
|
|
fakeMap !== 9
|
|
? `function(id) {
|
|
${this.getReturnModuleObjectSource(fakeMap)}
|
|
}`
|
|
: "__webpack_require__";
|
|
return `var map = ${JSON.stringify(map, null, "\t")};
|
|
${this.getFakeMapInitStatement(fakeMap)}
|
|
|
|
function webpackAsyncContext(req) {
|
|
return webpackAsyncContextResolve(req).then(${thenFunction});
|
|
}
|
|
function webpackAsyncContextResolve(req) {
|
|
// Here Promise.resolve().then() is used instead of new Promise() to prevent
|
|
// uncaught exception popping up in devtools
|
|
return Promise.resolve().then(function() {
|
|
var id = map[req];
|
|
if(!(id + 1)) { // check for number or string
|
|
var e = new Error("Cannot find module '" + req + "'");
|
|
e.code = 'MODULE_NOT_FOUND';
|
|
throw e;
|
|
}
|
|
return id;
|
|
});
|
|
}
|
|
webpackAsyncContext.keys = function webpackAsyncContextKeys() {
|
|
return Object.keys(map);
|
|
};
|
|
webpackAsyncContext.resolve = webpackAsyncContextResolve;
|
|
webpackAsyncContext.id = ${JSON.stringify(id)};
|
|
module.exports = webpackAsyncContext;`;
|
|
}
|
|
|
|
getLazyOnceSource(
|
|
block,
|
|
dependencies,
|
|
id,
|
|
{ runtimeTemplate, moduleGraph, chunkGraph }
|
|
) {
|
|
const promise = runtimeTemplate.blockPromise({
|
|
chunkGraph,
|
|
block,
|
|
message: "lazy-once context"
|
|
});
|
|
const map = this.getUserRequestMap(dependencies, moduleGraph);
|
|
const fakeMap = this.getFakeMap(dependencies, moduleGraph);
|
|
const thenFunction =
|
|
fakeMap !== 9
|
|
? `function(id) {
|
|
${this.getReturnModuleObjectSource(fakeMap)};
|
|
}`
|
|
: "__webpack_require__";
|
|
|
|
return `var map = ${JSON.stringify(map, null, "\t")};
|
|
${this.getFakeMapInitStatement(fakeMap)}
|
|
|
|
function webpackAsyncContext(req) {
|
|
return webpackAsyncContextResolve(req).then(${thenFunction});
|
|
}
|
|
function webpackAsyncContextResolve(req) {
|
|
return ${promise}.then(function() {
|
|
var id = map[req];
|
|
if(!(id + 1)) { // check for number or string
|
|
var e = new Error("Cannot find module '" + req + "'");
|
|
e.code = 'MODULE_NOT_FOUND';
|
|
throw e;
|
|
}
|
|
return id;
|
|
});
|
|
}
|
|
webpackAsyncContext.keys = function webpackAsyncContextKeys() {
|
|
return Object.keys(map);
|
|
};
|
|
webpackAsyncContext.resolve = webpackAsyncContextResolve;
|
|
webpackAsyncContext.id = ${JSON.stringify(id)};
|
|
module.exports = webpackAsyncContext;`;
|
|
}
|
|
|
|
getLazySource(blocks, id, moduleGraph, chunkGraph) {
|
|
let hasMultipleOrNoChunks = false;
|
|
const fakeMap = this.getFakeMap(
|
|
blocks.map(b => b.dependencies[0]),
|
|
moduleGraph
|
|
);
|
|
const map = blocks
|
|
.map(block => {
|
|
const dependency = block.dependencies[0];
|
|
return {
|
|
dependency: dependency,
|
|
module: moduleGraph.getModule(dependency),
|
|
block: block,
|
|
userRequest: dependency.userRequest
|
|
};
|
|
})
|
|
.filter(item => item.module)
|
|
.sort((a, b) => {
|
|
if (a.userRequest === b.userRequest) return 0;
|
|
return a.userRequest < b.userRequest ? -1 : 1;
|
|
})
|
|
.reduce((map, item) => {
|
|
const chunkGroup = chunkGraph.getBlockChunkGroup(item.block);
|
|
const chunks = (chunkGroup && chunkGroup.chunks) || [];
|
|
if (chunks.length !== 1) {
|
|
hasMultipleOrNoChunks = true;
|
|
}
|
|
const arrayStart = [moduleGraph.getModule(item.dependency).id];
|
|
if (typeof fakeMap === "object") {
|
|
arrayStart.push(fakeMap[moduleGraph.getModule(item.dependency).id]);
|
|
}
|
|
map[item.userRequest] = arrayStart.concat(
|
|
chunks.map(chunk => chunk.id)
|
|
);
|
|
|
|
return map;
|
|
}, Object.create(null));
|
|
|
|
const chunksStartPosition = typeof fakeMap === "object" ? 2 : 1;
|
|
const requestPrefix = hasMultipleOrNoChunks
|
|
? `Promise.all(ids.slice(${chunksStartPosition}).map(__webpack_require__.e))`
|
|
: `__webpack_require__.e(ids[${chunksStartPosition}])`;
|
|
const returnModuleObject = this.getReturnModuleObjectSource(
|
|
fakeMap,
|
|
"ids[1]"
|
|
);
|
|
|
|
return `var map = ${JSON.stringify(map, null, "\t")};
|
|
function webpackAsyncContext(req) {
|
|
var ids = map[req];
|
|
if(!ids) {
|
|
return Promise.resolve().then(function() {
|
|
var e = new Error("Cannot find module '" + req + "'");
|
|
e.code = 'MODULE_NOT_FOUND';
|
|
throw e;
|
|
});
|
|
}
|
|
return ${requestPrefix}.then(function() {
|
|
var id = ids[0];
|
|
${returnModuleObject}
|
|
});
|
|
}
|
|
webpackAsyncContext.keys = function webpackAsyncContextKeys() {
|
|
return Object.keys(map);
|
|
};
|
|
webpackAsyncContext.id = ${JSON.stringify(id)};
|
|
module.exports = webpackAsyncContext;`;
|
|
}
|
|
|
|
getSourceForEmptyContext(id) {
|
|
return `function webpackEmptyContext(req) {
|
|
var e = new Error("Cannot find module '" + req + "'");
|
|
e.code = 'MODULE_NOT_FOUND';
|
|
throw e;
|
|
}
|
|
webpackEmptyContext.keys = function() { return []; };
|
|
webpackEmptyContext.resolve = webpackEmptyContext;
|
|
module.exports = webpackEmptyContext;
|
|
webpackEmptyContext.id = ${JSON.stringify(id)};`;
|
|
}
|
|
|
|
getSourceForEmptyAsyncContext(id) {
|
|
return `function webpackEmptyAsyncContext(req) {
|
|
// Here Promise.resolve().then() is used instead of new Promise() to prevent
|
|
// uncaught exception popping up in devtools
|
|
return Promise.resolve().then(function() {
|
|
var e = new Error("Cannot find module '" + req + "'");
|
|
e.code = 'MODULE_NOT_FOUND';
|
|
throw e;
|
|
});
|
|
}
|
|
webpackEmptyAsyncContext.keys = function() { return []; };
|
|
webpackEmptyAsyncContext.resolve = webpackEmptyAsyncContext;
|
|
module.exports = webpackEmptyAsyncContext;
|
|
webpackEmptyAsyncContext.id = ${JSON.stringify(id)};`;
|
|
}
|
|
|
|
/**
|
|
* @param {string} asyncMode module mode
|
|
* @param {SourceContext} sourceContext context info
|
|
* @returns {string} the source code
|
|
*/
|
|
getSourceString(asyncMode, { runtimeTemplate, moduleGraph, chunkGraph }) {
|
|
if (asyncMode === "lazy") {
|
|
if (this.blocks && this.blocks.length > 0) {
|
|
return this.getLazySource(
|
|
this.blocks,
|
|
this.id,
|
|
moduleGraph,
|
|
chunkGraph
|
|
);
|
|
}
|
|
return this.getSourceForEmptyAsyncContext(this.id);
|
|
}
|
|
if (asyncMode === "eager") {
|
|
if (this.dependencies && this.dependencies.length > 0) {
|
|
return this.getEagerSource(this.dependencies, this.id, moduleGraph);
|
|
}
|
|
return this.getSourceForEmptyAsyncContext(this.id);
|
|
}
|
|
if (asyncMode === "lazy-once") {
|
|
const block = this.blocks[0];
|
|
if (block) {
|
|
return this.getLazyOnceSource(block, block.dependencies, this.id, {
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph
|
|
});
|
|
}
|
|
return this.getSourceForEmptyAsyncContext(this.id);
|
|
}
|
|
if (asyncMode === "async-weak") {
|
|
if (this.dependencies && this.dependencies.length > 0) {
|
|
return this.getAsyncWeakSource(this.dependencies, this.id, moduleGraph);
|
|
}
|
|
return this.getSourceForEmptyAsyncContext(this.id);
|
|
}
|
|
if (asyncMode === "weak") {
|
|
if (this.dependencies && this.dependencies.length > 0) {
|
|
return this.getWeakSyncSource(this.dependencies, this.id, moduleGraph);
|
|
}
|
|
}
|
|
if (this.dependencies && this.dependencies.length > 0) {
|
|
return this.getSyncSource(this.dependencies, this.id, moduleGraph);
|
|
}
|
|
return this.getSourceForEmptyContext(this.id);
|
|
}
|
|
|
|
getSource(sourceString) {
|
|
if (this.useSourceMap) {
|
|
return new OriginalSource(sourceString, this.identifier());
|
|
}
|
|
return new RawSource(sourceString);
|
|
}
|
|
|
|
/**
|
|
* @param {SourceContext} sourceContext source context
|
|
* @returns {Source} generated source
|
|
*/
|
|
source(sourceContext) {
|
|
return this.getSource(
|
|
this.getSourceString(this.options.mode, sourceContext)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @returns {number} the estimated size of the module
|
|
*/
|
|
size() {
|
|
// base penalty
|
|
const initialSize = 160;
|
|
|
|
// if we dont have dependencies we stop here.
|
|
return this.dependencies.reduce((size, dependency) => {
|
|
const element = /** @type {ContextElementDependency} */ (dependency);
|
|
return size + 5 + element.userRequest.length;
|
|
}, initialSize);
|
|
}
|
|
}
|
|
|
|
module.exports = ContextModule;
|