all files / src/utils/ classList.js

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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
 
 
 
 
1×
1×
 
1×
 
 
 
1×
 
 
 
 
 
 
 
1×
 
 
 
 
 
1×
 
 
 
 
 
 
 
 
 
1×
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1×
 
 
 
 
 
 
 
 
1×
 
 
 
 
 
1×
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
/**
 * Adapted from dominus v6.0.1
 * https://github.com/bevacqua/dominus/blob/master/src/classes.js
 */
 
var trim = /^\s+|\s+$/g
var whitespace = /\s+/g
 
function interpret (input) {
  return typeof input === 'string' ? input.replace(trim, '').split(whitespace) : input
}
 
function classes (el) {
  if (isElement(el)) {
    return el.className.replace(trim, '').split(whitespace)
  }
 
  return []
}
 
function set (el, input) {
  if (isElement(el)) {
    el.className = interpret(input).join(' ')
  }
}
 
function add (el, input) {
  var current = remove(el, input)
  var values = interpret(input)
 
  current.push.apply(current, values)
  set(el, current)
 
  return current
}
 
function remove (el, input) {
  var current = classes(el)
  var values = interpret(input)
 
  values.forEach(function (value) {
    var i = current.indexOf(value)
    if (i !== -1) {
      current.splice(i, 1)
    }
  })
 
  set(el, current)
 
  return current
}
 
function contains (el, input) {
  var current = classes(el)
  var values = interpret(input)
 
  return values.every(function (value) {
    return current.indexOf(value) !== -1
  })
}
 
function isElement (o) {
  var elementObjects = typeof window.HTMLElement === 'object'
 
  return elementObjects ? o instanceof window.HTMLElement : isElementObject(o)
}
 
function isElementObject (o) {
  return o &&
    typeof o === 'object' &&
    typeof o.nodeName === 'string' &&
    o.nodeType === 1
}
 
export default {
  add,
  remove,
  contains,
  has: contains,
  set,
  get: classes
}