if (typeof Object.assign != 'function') { | |
(function () { | |
Object.assign = function (target) { | |
'use strict'; | |
if (target === undefined || target === null) { | |
throw new TypeError('Cannot convert undefined or null to object'); | |
} | |
var output = Object(target); | |
for (var index = 1; index < arguments.length; index++) { | |
var source = arguments[index]; | |
if (source !== undefined && source !== null) { | |
for (var nextKey in source) { | |
if (Object.prototype.hasOwnProperty.call(source, nextKey)) { | |
output[nextKey] = source[nextKey]; | |
} | |
} | |
} | |
} | |
return output; | |
}; | |
})(); | |
} |