92 lines
2.2 KiB
JavaScript
92 lines
2.2 KiB
JavaScript
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/*
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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 Dependency = require("../Dependency");
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const DependencyTemplate = require("../DependencyTemplate");
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const memoize = require("../util/memoize");
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/** @typedef {import("../Dependency").TRANSITIVE} TRANSITIVE */
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/** @typedef {import("../Module")} Module */
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const getRawModule = memoize(() => require("../RawModule"));
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class ModuleDependency extends Dependency {
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/**
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* @param {string} request request path which needs resolving
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*/
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constructor(request) {
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super();
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this.request = request;
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this.userRequest = request;
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this.range = undefined;
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// assertions must be serialized by subclasses that use it
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/** @type {Record<string, any> | undefined} */
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this.assertions = undefined;
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this._context = undefined;
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}
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/**
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* @returns {string | undefined} a request context
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*/
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getContext() {
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return this._context;
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}
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/**
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* @returns {string | null} an identifier to merge equal requests
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*/
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getResourceIdentifier() {
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let str = `context${this._context || ""}|module${this.request}`;
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if (this.assertions !== undefined) {
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str += JSON.stringify(this.assertions);
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}
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return str;
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}
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/**
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* @returns {boolean | TRANSITIVE} true, when changes to the referenced module could affect the referencing module; TRANSITIVE, when changes to the referenced module could affect referencing modules of the referencing module
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*/
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couldAffectReferencingModule() {
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return true;
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}
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/**
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* @param {string} context context directory
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* @returns {Module} a module
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*/
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createIgnoredModule(context) {
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const RawModule = getRawModule();
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return new RawModule(
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"/* (ignored) */",
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`ignored|${context}|${this.request}`,
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`${this.request} (ignored)`
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);
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}
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serialize(context) {
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const { write } = context;
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write(this.request);
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write(this.userRequest);
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write(this._context);
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write(this.range);
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super.serialize(context);
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}
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deserialize(context) {
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const { read } = context;
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this.request = read();
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this.userRequest = read();
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this._context = read();
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this.range = read();
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super.deserialize(context);
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}
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}
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ModuleDependency.Template = DependencyTemplate;
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module.exports = ModuleDependency;
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