173 lines
5.1 KiB
JavaScript
173 lines
5.1 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 Module = require("./Module");
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const RuntimeGlobals = require("./RuntimeGlobals");
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const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
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const StaticExportsDependency = require("./dependencies/StaticExportsDependency");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("./ChunkGraph")} ChunkGraph */
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/** @typedef {import("./Compilation")} Compilation */
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/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
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/** @typedef {import("./LibManifestPlugin").ManifestModuleData} ManifestModuleData */
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/** @typedef {import("./Module").LibIdentOptions} LibIdentOptions */
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/** @typedef {import("./Module").NeedBuildContext} NeedBuildContext */
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/** @typedef {import("./Module").SourceContext} SourceContext */
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/** @typedef {import("./RequestShortener")} RequestShortener */
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/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
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/** @typedef {import("./WebpackError")} WebpackError */
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/** @typedef {import("./dependencies/ModuleDependency")} ModuleDependency */
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/** @typedef {import("./util/createHash").Hash} Hash */
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class DelegatedModule extends Module {
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constructor(sourceRequest, data, type, userRequest, originalRequest) {
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super("javascript/dynamic", null);
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// Info from Factory
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this.sourceRequest = sourceRequest;
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this.request = data.id;
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this.delegationType = type;
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this.userRequest = userRequest;
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this.originalRequest = originalRequest;
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/** @type {ManifestModuleData} */
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this.delegateData = data;
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// Build info
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this.delegatedSourceDependency = undefined;
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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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return typeof this.originalRequest === "string"
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? this.originalRequest
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: this.originalRequest.libIdent(options);
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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 `delegated ${JSON.stringify(this.request)} from ${
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this.sourceRequest
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}`;
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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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return `delegated ${this.userRequest} from ${this.sourceRequest}`;
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}
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/**
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* @param {NeedBuildContext} context context info
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* @param {function(WebpackError=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
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* @returns {void}
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*/
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needBuild(context, callback) {
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return callback(null, !this.buildMeta);
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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(WebpackError=): 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 = { ...this.delegateData.buildMeta };
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this.buildInfo = {};
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this.dependencies.length = 0;
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this.delegatedSourceDependency = new DelegatedSourceDependency(
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this.sourceRequest
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);
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this.addDependency(this.delegatedSourceDependency);
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this.addDependency(
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new StaticExportsDependency(this.delegateData.exports || true, false)
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);
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callback();
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}
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/**
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* @param {SourceContext} sourceContext source context
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* @returns {Source} generated source
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*/
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source({ runtimeTemplate, moduleGraph, chunkGraph }) {
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const dep = /** @type {DelegatedSourceDependency} */ (this.dependencies[0]);
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const sourceModule = moduleGraph.getModule(dep);
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let str;
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if (!sourceModule) {
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str = runtimeTemplate.throwMissingModuleErrorBlock({
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request: this.sourceRequest
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});
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} else {
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str = `module.exports = (${runtimeTemplate.moduleExports({
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module: sourceModule,
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chunkGraph,
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request: dep.request,
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runtimeRequirements: new Set()
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})})`;
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switch (this.delegationType) {
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case "require":
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str += `(${JSON.stringify(this.request)})`;
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break;
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case "object":
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str += `[${JSON.stringify(this.request)}]`;
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break;
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}
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str += ";";
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}
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if (this.useSourceMap) {
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return new OriginalSource(str, this.identifier());
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} else {
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return new RawSource(str);
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}
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}
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/**
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* Get a list of runtime requirements
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* @param {SourceContext} context context for code generation
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* @returns {Iterable<string> | null} required runtime modules
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*/
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getRuntimeRequirements(context) {
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return [RuntimeGlobals.module, RuntimeGlobals.require];
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}
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/**
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* @param {string=} type the source type for which the size should be estimated
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* @returns {number} the estimated size of the module (must be non-zero)
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*/
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size(type) {
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return 42;
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}
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/**
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* @param {Hash} hash the hash used to track dependencies
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* @param {ChunkGraph} chunkGraph the chunk graph
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* @returns {void}
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*/
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updateHash(hash, chunkGraph) {
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hash.update(this.delegationType);
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hash.update(JSON.stringify(this.request));
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super.updateHash(hash, chunkGraph);
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}
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}
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module.exports = DelegatedModule;
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