all files / src/ utils.js

44.83% Statements 13/29
50% Branches 5/10
100% Functions 4/4
56.52% Lines 13/23
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51                            14× 14×                                                
export function reduce (arr, callback, data) {
  if (arr.reduce) E{
    return arr.reduce(callback, data)
  }
 
  for (let i = 0; i < arr.length; i++) {
    data = callback(data, arr[i])
  }
 
  return data
}
 
export function keys (obj) {
  if (obj.keys) I{
    return obj.keys()
  }
 
  const keys = []
  for (let key in obj) {
    if (obj.hasOwnProperty(key)) E{
      keys.push(key)
    }
  }
 
  return keys
}
 
export function map (arr, callback) {
  if (arr.map) E{
    return arr.map(callback)
  }
 
  const ret = []
  for (let i = 0; i < arr.length; i++) {
    ret.push(callback(arr[i], i))
  }
 
  return ret
}
 
export function forEach (arr, callback) {
  if (arr.forEach) E{
    arr.forEach(callback)
    return
  }
 
  for (let i = 0; i < arr.length; i++) {
    callback(arr[i], i)
  }
}