/*

MIT License http://www.opensource.org/licenses/mit-license.php

Author Tobias Koppers @sokra

*/

"use strict";

/** @typedef {import("./Dependency")} Dependency */

/** @typedef {import("./Module")} Module */

class ModuleGraphConnection {

/**

* @param {Module=} originModule the referencing module

* @param {Dependency=} dependency the referencing dependency

* @param {Module} module the referenced module

* @param {string=} explanation some extra detail

*/

constructor(originModule, dependency, module, explanation) {

this.originModule = originModule;

this.resolvedOriginModule = originModule;

this.dependency = dependency;

this.resolvedModule = module;

this.module = module;

this.explanations = new Set();

if (explanation) this.explanations.add(explanation);

}

addExplanation(explanation) {

this.explanations.add(explanation);

}

get explanation() {

return Array.from(this.explanations).join(" ");

}

}

module.exports = ModuleGraphConnection;