dropWhileRight

Discard values from right, while a test passes.

Alternatives: drop, dropRight, dropWhile, dropWhileRight.
Similar: take, drop.

function dropWhileRight(x, ft)
// x:  an array
// ft: test function (v, i, x)

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

var x = [1, 2, 3, 4, 5];
array.dropWhileRight(x, v => v >= 3);
// → [ 1, 2 ]

array.dropWhileRight(x, v => v >= 4);
// → [ 1, 2, 3 ]

References

• Data.List.dropWhile: Haskell
• Array.prototype.slice: MDN web docs