vue hello world项目
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3 years ago
/*
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 {typeof import("./util/Hash")} Hash */
/** @typedef {new (...args: any[]) => Dependency} DependencyConstructor */
class DependencyTemplates {
/**
* @param {string | Hash} hashFunction the hash function to use
*/
constructor(hashFunction = "md4") {
/** @type {Map<Function, DependencyTemplate>} */
this._map = new Map();
/** @type {string} */
this._hash = "31d6cfe0d16ae931b73c59d7e0c089c0";
this._hashFunction = hashFunction;
}
/**
* @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(this._hashFunction);
hash.update(`${this._hash}${part}`);
this._hash = /** @type {string} */ (hash.digest("hex"));
}
getHash() {
return this._hash;
}
clone() {
const newInstance = new DependencyTemplates(this._hashFunction);
newInstance._map = new Map(this._map);
newInstance._hash = this._hash;
return newInstance;
}
}
module.exports = DependencyTemplates;