()
| 230 | const results = new Array<R>(items.length); |
| 231 | let nextIndex = 0; |
| 232 | const worker = async (): Promise<void> => { |
| 233 | while (true) { |
| 234 | const idx = nextIndex++; |
| 235 | if (idx >= items.length) { |
| 236 | return; |
| 237 | } |
| 238 | results[idx] = await fn(items[idx] as T, idx); |
| 239 | } |
| 240 | }; |
| 241 | const workers = Array.from( |
| 242 | { length: Math.min(concurrency, items.length) }, |
| 243 | () => worker() |