interleave

Places values of an array between another. [:running:] [:vhs:] [:package:] [:moon:]

array.interleave(x, y, [m], [n]);
// x: an array
// y: another array
// m: number of values from x (1)
// n: number of values from y (1)

const array = require('extra-array');

var x = [1, 2, 3, 4];
var y = [10, 20, 30];
array.interleave(x, [10]);
// [1, 10, 2, 10, 3, 10, 4]

array.interleave(x, y);
// [1, 10, 2, 20, 3, 30, 4]

array.interleave(x, y, 2);
// [1, 2, 10, 3, 4]

array.interleave(x, y, 1, 2);
// [1, 10, 20, 2, 30, 10, 3, 20, 30, 4]

references

• Data.List.intersperse(): Haskell
• Data.List.intercalate(): Haskell [:running:]: https://npm.runkit.com/@extra-array/interleave [:package:]: https://www.npmjs.com/package/@extra-array/interleave [:moon:]: https://www.npmjs.com/package/@extra-array/interleave.min [:vhs:]: https://asciinema.org/a/319369