/*
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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 util = require("util");
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const compareLocations = require("./compareLocations");
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const DependencyReference = require("./dependencies/DependencyReference");
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/** @typedef {import("./Module")} Module */
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
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/**
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* @typedef {Object} DependencyTemplate
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* @property {function(Dependency, Source, RuntimeTemplate, Map<Function, DependencyTemplate>): void} apply
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*/
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/** @typedef {Object} SourcePosition
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* @property {number} line
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* @property {number=} column
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*/
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/** @typedef {Object} RealDependencyLocation
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* @property {SourcePosition} start
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* @property {SourcePosition=} end
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* @property {number=} index
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*/
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/** @typedef {Object} SynteticDependencyLocation
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* @property {string} name
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* @property {number=} index
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*/
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/** @typedef {SynteticDependencyLocation|RealDependencyLocation} DependencyLocation */
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class Dependency {
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constructor() {
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/** @type {Module|null} */
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this.module = null;
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// TODO remove in webpack 5
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/** @type {boolean} */
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this.weak = false;
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/** @type {boolean} */
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this.optional = false;
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/** @type {DependencyLocation} */
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this.loc = undefined;
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}
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getResourceIdentifier() {
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return null;
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}
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// Returns the referenced module and export
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getReference() {
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if (!this.module) return null;
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return new DependencyReference(this.module, true, this.weak);
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}
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// Returns the exported names
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getExports() {
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return null;
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}
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getWarnings() {
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return null;
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}
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getErrors() {
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return null;
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}
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updateHash(hash) {
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hash.update((this.module && this.module.id) + "");
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}
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disconnect() {
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this.module = null;
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}
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}
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// TODO remove in webpack 5
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Dependency.compare = util.deprecate(
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(a, b) => compareLocations(a.loc, b.loc),
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"Dependency.compare is deprecated and will be removed in the next major version"
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);
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module.exports = Dependency;
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