deep-exists

deep-exists

Easy checking for existence. Returns true if value is not null or undefined.

import exists from 'deep-exists'

const a = {
  b: {
    c: 4,
    d: null
  }
}

exists(a) // true
exists(a, 'b') // true
exists(a, 'c') // false
exists(a, 'c.a') // false
exists(a, 'b.c') // true
exists(a, 'b.d') // false
exists(a, 'b.e') // false