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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/object.getownpropertydescriptors/implementation.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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diff --git a/node_modules/object.getownpropertydescriptors/implementation.js b/node_modules/object.getownpropertydescriptors/implementation.js
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+'use strict';
+
+var ES = require('es-abstract/es7');
+
+var defineProperty = Object.defineProperty;
+var getDescriptor = Object.getOwnPropertyDescriptor;
+var getOwnNames = Object.getOwnPropertyNames;
+var getSymbols = Object.getOwnPropertySymbols;
+var concat = Function.call.bind(Array.prototype.concat);
+var reduce = Function.call.bind(Array.prototype.reduce);
+var getAll = getSymbols ? function (obj) {
+ return concat(getOwnNames(obj), getSymbols(obj));
+} : getOwnNames;
+
+var isES5 = ES.IsCallable(getDescriptor) && ES.IsCallable(getOwnNames);
+
+var safePut = function put(obj, prop, val) { // eslint-disable-line max-params
+ if (defineProperty && prop in obj) {
+ defineProperty(obj, prop, {
+ configurable: true,
+ enumerable: true,
+ value: val,
+ writable: true
+ });
+ } else {
+ obj[prop] = val;
+ }
+};
+
+module.exports = function getOwnPropertyDescriptors(value) {
+ ES.RequireObjectCoercible(value);
+ if (!isES5) {
+ throw new TypeError('getOwnPropertyDescriptors requires Object.getOwnPropertyDescriptor');
+ }
+
+ var O = ES.ToObject(value);
+ return reduce(getAll(O), function (acc, key) {
+ var descriptor = getDescriptor(O, key);
+ if (typeof descriptor !== 'undefined') {
+ safePut(acc, key, descriptor);
+ }
+ return acc;
+ }, {});
+};