(val)
| 928 | var propIsEnumerable = Object.prototype.propertyIsEnumerable; |
| 929 | |
| 930 | function toObject(val) { |
| 931 | if (val === null || val === undefined) { |
| 932 | throw new TypeError('Object.assign cannot be called with null or undefined'); |
| 933 | } |
| 934 | |
| 935 | return Object(val); |
| 936 | } |
| 937 | |
| 938 | function shouldUseNative() { |
| 939 | try { |