mirror of https://github.com/webpack/webpack.git
122 lines
2.7 KiB
JavaScript
122 lines
2.7 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const DependencyReference = require("./dependencies/DependencyReference");
|
|
|
|
/** @typedef {import("webpack-sources").Source} Source */
|
|
/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
|
|
/** @typedef {import("./Module")} Module */
|
|
/** @typedef {import("./ModuleGraph")} ModuleGraph */
|
|
/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
|
|
/** @typedef {import("./WebpackError")} WebpackError */
|
|
/** @typedef {import("./util/createHash").Hash} Hash */
|
|
|
|
/** @typedef {Object} SourcePosition
|
|
* @property {number} line
|
|
* @property {number=} column
|
|
*/
|
|
|
|
/** @typedef {Object} RealDependencyLocation
|
|
* @property {SourcePosition} start
|
|
* @property {SourcePosition=} end
|
|
* @property {number=} index
|
|
*/
|
|
|
|
/** @typedef {Object} SynteticDependencyLocation
|
|
* @property {string} name
|
|
* @property {number=} index
|
|
*/
|
|
|
|
/** @typedef {SynteticDependencyLocation|RealDependencyLocation} DependencyLocation */
|
|
|
|
/**
|
|
* @typedef {Object} ExportsSpec
|
|
* @property {string[] | true | null} exports exported names, true for unknown exports or null for no exports
|
|
* @property {Module[]=} dependencies module on which the result depends on
|
|
*/
|
|
|
|
class Dependency {
|
|
constructor() {
|
|
/** @type {Module|null} */
|
|
this.module = null;
|
|
// TODO remove in webpack 5
|
|
/** @type {boolean} */
|
|
this.weak = false;
|
|
/** @type {boolean} */
|
|
this.optional = false;
|
|
/** @type {DependencyLocation} */
|
|
this.loc = undefined;
|
|
}
|
|
|
|
/**
|
|
* @returns {string} a display name for the type of dependency
|
|
*/
|
|
get type() {
|
|
return "unknown";
|
|
}
|
|
|
|
/**
|
|
* @returns {string | null} an identifier to merge equal requests
|
|
*/
|
|
getResourceIdentifier() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns the referenced module and export
|
|
* @returns {DependencyReference} reference
|
|
*/
|
|
getReference() {
|
|
if (!this.module) return null;
|
|
return new DependencyReference(() => this.module, true, this.weak);
|
|
}
|
|
|
|
/**
|
|
* Returns the exported names
|
|
* @returns {ExportsSpec | undefined} export names
|
|
*/
|
|
getExports() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns warnings
|
|
* @returns {WebpackError[]} warnings
|
|
*/
|
|
getWarnings() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns errors
|
|
* @returns {WebpackError[]} errors
|
|
*/
|
|
getErrors() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Update the hash
|
|
* @param {Hash} hash hash to be updated
|
|
* @param {ModuleGraph} moduleGraph module graph
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, moduleGraph) {
|
|
hash.update((this.module && this.module.id) + "");
|
|
}
|
|
|
|
/**
|
|
* Disconnect the dependency from the graph
|
|
* @returns {void}
|
|
*/
|
|
disconnect() {
|
|
this.module = null;
|
|
}
|
|
}
|
|
|
|
module.exports = Dependency;
|