is-unique

Predicate that returns true if collection contains unique values.

Install

npm install is-unique

bower install is-unique

Usage

const isUnique = require('is-unique');

console.log(isUnique('foo')); // false
console.log(isUnique('bar')); // true
console.log(isUnique(['f','o','o'])); // false
console.log(isUnique(['b','a','r'])); // true
console.log(isUnique(122)); // false
console.log(isUnique(123)); // true

Test

npm test

License

MIT