merge-async-iterators

Useful if you wanna know which iterator yielded the value

• Returns A single merged async iterable

Example

const merge = require('merge-async-iterators');

const array = [1,2];
const iterable = (function*(){
  yield 3
  yield 4
})()
const asyncIterable = (async function*(){
  yield 5
  yield 6
})()

for await (const value of merge([array, iterable, asyncIterable])) {
  console.log(value)
}

1
2          // order isn't guaranteed
  // finished iterators' returns will yield as well
3
4

5          // async wil almost always come after normal ones
6

Alternatives

• mergeiterator