(val)
| 712 | var propIsEnumerable = Object.prototype.propertyIsEnumerable; |
| 713 | |
| 714 | function toObject(val) { |
| 715 | if (val === null || val === undefined) { |
| 716 | throw new TypeError('Object.assign cannot be called with null or undefined'); |
| 717 | } |
| 718 | |
| 719 | return Object(val); |
| 720 | } |
| 721 | |
| 722 | function shouldUseNative() { |
| 723 | try { |