Treat one or more iterables as a single iterable
Merge several (async)iterables into one, yield values as they arrive.
Nb. sources are iterated over in parallel so the order of emitted items is not guaranteed.
import merge from 'it-merge'
import all from 'it-all'
// This can also be an iterator, generator, etc
const values1 = [0, 1, 2, 3, 4]
const values2 = [5, 6, 7, 8, 9]
const arr = all(merge(values1, values2))
console.info(arr) // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Async sources must be awaited:
import merge from 'it-merge'
import all from 'it-all'
// This can also be an iterator, async iterator, generator, etc
const values1 = async function * () {
yield * [0, 1, 2, 3, 4]
}
const values2 = async function * () {
yield * [5, 6, 7, 8, 9]
}
const arr = await all(merge(values1(), values2()))
console.info(arr) // 0, 1, 5, 6, 2, 3, 4, 7, 8, 9 <- nb. order is not guaranteed
$ npm i it-merge
Loading this module through a script tag will make it's exports available as ItMerge
in the global namespace.
<script src="https://unpkg.com/it-merge/dist/index.min.js"></script>
Licensed under either of
- Apache 2.0, (LICENSE-APACHE / http://www.apache.org/licenses/LICENSE-2.0)
- MIT (LICENSE-MIT / http://opensource.org/licenses/MIT)
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.