(val)
| 373 | var propIsEnumerable = Object.prototype.propertyIsEnumerable; |
| 374 | |
| 375 | function toObject(val) { |
| 376 | if (val === null || val === undefined) { |
| 377 | throw new TypeError('Object.assign cannot be called with null or undefined'); |
| 378 | } |
| 379 | |
| 380 | return Object(val); |
| 381 | } |
| 382 | |
| 383 | function shouldUseNative() { |
| 384 | try { |