mirror of https://github.com/webpack/webpack.git
102 lines
2.4 KiB
JavaScript
102 lines
2.4 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 WebpackMissingModule = require("./dependencies/WebpackMissingModule");
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const DelegatedSourceDependency = require("./dependencies/DelegatedSourceDependency");
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const DelegatedExportsDependency = require("./dependencies/DelegatedExportsDependency");
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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.type = type;
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this.userRequest = userRequest;
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this.originalRequest = originalRequest;
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this.delegateData = data;
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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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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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readableIdentifier() {
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return `delegated ${this.userRequest} from ${this.sourceRequest}`;
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}
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needRebuild() {
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return false;
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}
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build(options, compilation, resolver, fs, callback) {
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this.built = true;
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this.buildMeta = Object.assign({}, this.delegateData.buildMeta);
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this.buildInfo = {};
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this.addDependency(new DelegatedSourceDependency(this.sourceRequest));
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this.addDependency(
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new DelegatedExportsDependency(this, this.delegateData.exports || true)
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);
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callback();
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}
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source(depTemplates, runtime) {
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const dep = this.dependencies[0];
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const sourceModule = dep.module;
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let str;
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if (!sourceModule) {
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str = WebpackMissingModule.moduleCode(this.sourceRequest);
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} else {
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str = `module.exports = (${runtime.moduleExports({
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module: sourceModule,
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request: dep.request
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})})`;
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switch (this.type) {
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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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size() {
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return 42;
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}
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updateHash(hash) {
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hash.update(this.type);
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hash.update(JSON.stringify(this.request));
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super.updateHash(hash);
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}
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}
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module.exports = DelegatedModule;
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