@extra-array/split-at/index.js

Breaks iterable considering indices as separator.

'use strict';
function splitAt(x, is) {
    var a = [], b = [], i = -1;
    for (var v of x) {
        if (!is.includes(++i))
            b.push(v);
        else if (b.length) {
            a.push(b);
            b = [];
        }
    }
    if (b.length)
        a.push(b);
    return a;
}
module.exports = splitAt;