deepFind.js

function deepFind (predicate, data) {
  if (!predicate || !data) return null

  if (typeof data === 'object') {
    for (let k in data) {
      let x = data[k]
      if (x && predicate(x)) return x
      let r = deepFind(predicate, x)
      if (r) return r
    }
  }
}