shift73k/assets_old/node_modules/define-property/index.js

31 lines
759 B
JavaScript

/*!
* define-property <https://github.com/jonschlinkert/define-property>
*
* Copyright (c) 2015, 2017, Jon Schlinkert.
* Released under the MIT License.
*/
'use strict';
var isDescriptor = require('is-descriptor');
module.exports = function defineProperty(obj, prop, val) {
if (typeof obj !== 'object' && typeof obj !== 'function') {
throw new TypeError('expected an object or function.');
}
if (typeof prop !== 'string') {
throw new TypeError('expected `prop` to be a string.');
}
if (isDescriptor(val) && ('set' in val || 'get' in val)) {
return Object.defineProperty(obj, prop, val);
}
return Object.defineProperty(obj, prop, {
configurable: true,
enumerable: false,
writable: true,
value: val
});
};