| 58 | |
| 59 | const Handler: ProxyHandler<Map<string, Reference<any>>> = { |
| 60 | get(target, property) { |
| 61 | if (Reflect.has(target, property)) { |
| 62 | return Reflect.get(target, property); |
| 63 | } |
| 64 | |
| 65 | if (property === 'mapRefs') { |
| 66 | return function <TValue>( |
| 67 | callback: (value: any, index: number) => TValue, |
| 68 | ): TValue[] { |
| 69 | const result: TValue[] = []; |
| 70 | for (const value of target.values()) { |
| 71 | result.push(callback(value(), result.length)); |
| 72 | } |
| 73 | return result; |
| 74 | }; |
| 75 | } |
| 76 | |
| 77 | if (typeof property === 'string') { |
| 78 | let value = target.get(property); |
| 79 | if (!value) { |
| 80 | value = createRef(); |
| 81 | target.set(property, value); |
| 82 | } |
| 83 | return value; |
| 84 | } |
| 85 | }, |
| 86 | |
| 87 | has(target, property) { |
| 88 | if (Reflect.has(target, property)) { |