| 90 | } |
| 91 | |
| 92 | function toComputed<V extends Virtualizer<any, any>>( |
| 93 | signal: Signal<V>, |
| 94 | fn: Function, |
| 95 | ) { |
| 96 | const computedCache: Record<string, Signal<unknown>> = {} |
| 97 | |
| 98 | return (...args: Array<any>) => { |
| 99 | // Cache computeds by their arguments to avoid re-creating the computed on each call |
| 100 | const serializedArgs = serializeArgs(...args) |
| 101 | if (computedCache.hasOwnProperty(serializedArgs)) { |
| 102 | return computedCache[serializedArgs]?.() |
| 103 | } |
| 104 | const computedSignal = computed(() => { |
| 105 | void signal() |
| 106 | return fn(...args) |
| 107 | }) |
| 108 | |
| 109 | computedCache[serializedArgs] = computedSignal |
| 110 | |
| 111 | return computedSignal() |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | function serializeArgs(...args: Array<any>) { |
| 116 | return JSON.stringify(args) |