Like stream, but no stream.
English | 中文
- Similar to array, easy to use.
- Support async.
- Efficient.
npm install no-stream
import { ns } from "no-stream";
const s = ns(function* () {
let x = 0;
while (true) {
yield x++;
}
}); // ns([0, 1, 2...])
const result = s
.map((x) => x * 2)
.filter((x) => x % 4 === 0)
.take(10)
.reduce((r, x) => r + x, 0);
console.log(result); // 180
Benchmark which map n times and reduce once. from benchmark.ts
array
map times \ ops/sec \ array length | 100 | 1000 | 10000 | 100000 |
---|---|---|---|---|
2 | 1159961 | 23041 | 2462 | 184 |
3 | 184536 | 19075 | 1947 | 140 |
4 | 151335 | 13333 | 1561 | 114 |
5 | 127720 | 12334 | 1359 | 90.35 |
no-stream
map times \ ops/sec \ array length | 100 | 1000 | 10000 | 100000 |
---|---|---|---|---|
2 | 400500 | 45295 | 4820 | 481 |
3 | 276977 | 34394 | 3599 | 349 |
4 | 216729 | 26527 | 2751 | 265 |
5 | 180349 | 22585 | 2199 | 224 |
no-stream is more efficient!