insertAt

insertAt(array, index, value)

Inserts value at the specified index in array, returning a new array with the inserted element.

data-first

insertAt([1, 2, 3], 1, 10); // [1, 10, 2, 3]

data-last

pipe([1, 2, 3], insertAt(1, 10)); // [1, 10, 2, 3]