ce4c83ff
 wxy
初始提交
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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;
}, {});
};
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