is-sorted
A small module to check if an Array is sorted.
Example
var sorted = require('is-sorted')
console.log(sorted([1, 2, 3]))
// => true
console.log(sorted([3, 1, 2]))
// => false
// supports custom comparators
console.log(sorted([3, 2, 1], function (a, b) { return b - a })
// => true