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

Breaks array at given indices.

'use strict';
function index(x, i = 0) {
    return i < 0 ? Math.max(x.length + i, 0) : Math.min(i, x.length);
}
function cutAt(x, is) {
    var a = [], j = 0;
    for (var i of is) {
        i = Math.max(j, index(x, i));
        a.push(x.slice(j, i));
        j = i;
    }
    a.push(x.slice(i));
    return a;
}
module.exports = cutAt;