DependencyTemplates.js
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	/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
	*/

	"use strict";

	const createHash = require("./util/createHash");

	/** @typedef {import("./Dependency")} Dependency */
	/** @typedef {import("./DependencyTemplate")} DependencyTemplate */
	/** @typedef {new (...args: any[]) => Dependency} DependencyConstructor */

	class DependencyTemplates {
	constructor() {
	/** @type {Map<Function, DependencyTemplate>} */
	this._map = new Map();
	/** @type {string} */
	this._hash = "31d6cfe0d16ae931b73c59d7e0c089c0";
	}

	/**
	* @param {DependencyConstructor} dependency Constructor of Dependency
	* @returns {DependencyTemplate} template for this dependency
	*/
	get(dependency) {
	return this._map.get(dependency);
	}

	/**
	* @param {DependencyConstructor} dependency Constructor of Dependency
	* @param {DependencyTemplate} dependencyTemplate template for this dependency
	* @returns {void}
	*/
	set(dependency, dependencyTemplate) {
	this._map.set(dependency, dependencyTemplate);
	}

	/**
	* @param {string} part additional hash contributor
	* @returns {void}
	*/
	updateHash(part) {
	const hash = createHash("md4");
	hash.update(this._hash);
	hash.update(part);
	this._hash = /** @type {string} */ (hash.digest("hex"));
	}

	getHash() {
	return this._hash;
	}

	clone() {
	const newInstance = new DependencyTemplates();
	newInstance._map = new Map(this._map);
	newInstance._hash = this._hash;
	return newInstance;
	}
	}

	module.exports = DependencyTemplates;