From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/copy-descriptor/index.js | 81 +++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 node_modules/copy-descriptor/index.js (limited to 'node_modules/copy-descriptor/index.js') diff --git a/node_modules/copy-descriptor/index.js b/node_modules/copy-descriptor/index.js new file mode 100644 index 0000000..6da21b1 --- /dev/null +++ b/node_modules/copy-descriptor/index.js @@ -0,0 +1,81 @@ +/*! + * copy-descriptor + * + * Copyright (c) 2015, Jon Schlinkert. + * Licensed under the MIT License. + */ + +'use strict'; + +/** + * Copy a descriptor from one object to another. + * + * ```js + * function App() { + * this.cache = {}; + * } + * App.prototype.set = function(key, val) { + * this.cache[key] = val; + * return this; + * }; + * Object.defineProperty(App.prototype, 'count', { + * get: function() { + * return Object.keys(this.cache).length; + * } + * }); + * + * copy(App.prototype, 'count', 'len'); + * + * // create an instance + * var app = new App(); + * + * app.set('a', true); + * app.set('b', true); + * app.set('c', true); + * + * console.log(app.count); + * //=> 3 + * console.log(app.len); + * //=> 3 + * ``` + * @name copy + * @param {Object} `receiver` The target object + * @param {Object} `provider` The provider object + * @param {String} `from` The key to copy on provider. + * @param {String} `to` Optionally specify a new key name to use. + * @return {Object} + * @api public + */ + +module.exports = function copyDescriptor(receiver, provider, from, to) { + if (!isObject(provider) && typeof provider !== 'function') { + to = from; + from = provider; + provider = receiver; + } + if (!isObject(receiver) && typeof receiver !== 'function') { + throw new TypeError('expected the first argument to be an object'); + } + if (!isObject(provider) && typeof provider !== 'function') { + throw new TypeError('expected provider to be an object'); + } + + if (typeof to !== 'string') { + to = from; + } + if (typeof from !== 'string') { + throw new TypeError('expected key to be a string'); + } + + if (!(from in provider)) { + throw new Error('property "' + from + '" does not exist'); + } + + var val = Object.getOwnPropertyDescriptor(provider, from); + if (val) Object.defineProperty(receiver, to, val); +}; + +function isObject(val) { + return {}.toString.call(val) === '[object Object]'; +} + -- cgit v1.2.3