( obj: object | null, property: string | symbol, )
| 42 | }); |
| 43 | |
| 44 | export function hasProperty( |
| 45 | obj: object | null, |
| 46 | property: string | symbol, |
| 47 | ): boolean { |
| 48 | if (!obj) { |
| 49 | return false; |
| 50 | } |
| 51 | |
| 52 | if (Object.prototype.hasOwnProperty.call(obj, property)) { |
| 53 | return true; |
| 54 | } |
| 55 | |
| 56 | return hasProperty(Object.getPrototypeOf(obj), property); |
| 57 | } |
| 58 | |
| 59 | export abstract class AsymmetricMatcher< |
| 60 | T, |