isEmpty

Check if an object is empty.

Similar: size, isEmpty.

function isEmpty(x)
// x: an object

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

var x = {a: 1, b: 2, c: 3};
object.isEmpty(x);
// → false

var x = {};
object.isEmpty(x);
// → true

References

• Data.List.null: Haskell
• List.isEmpty: elm
• Array.length: MDN web docs
• Array.isEmpty: sugarjs