blob: 92c87f7ae660ea4e084882cc1b915a32579d925a (
plain)
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
|
/* global USERS */
const EventEmitter = require('events')
const self = new EventEmitter()
self._nodes = {
toggle: document.querySelector('.fav')
}
self.get = function () {
try {
const localStorageUser = JSON.parse(window.localStorage.getItem('fav'))
if (localStorageUser == null) return
const correctedUser = USERS.filter(function (user) {
return user.type === localStorageUser.type &&
user.value === localStorageUser.value
})[0]
return correctedUser
} catch (e) {
self.delete()
return
}
}
self.set = function (user) {
window.localStorage.setItem('fav', JSON.stringify(user))
self._nodes.innerHTML = ''
}
self.delete = function () {
window.localStorage.removeItem('fav')
}
self.updateDom = function (isFavorite) {
if (isFavorite) {
self._nodes.toggle.innerHTML = ''
} else {
self._nodes.toggle.innerHTML = ''
}
}
self.update = function (selectedUser) {
const currentUser = self.get()
if (currentUser == null || selectedUser == null) {
self.updateDom(false)
return
}
const isEqual = currentUser.type === selectedUser.type &&
currentUser.index === selectedUser.index
self.updateDom(isEqual)
}
self.toggle = function (selectedUser) {
const currentUser = self.get()
const isEqual = currentUser != null &&
currentUser.type === selectedUser.type &&
currentUser.index === selectedUser.index
if (isEqual) {
self.delete()
self.updateDom(false)
} else {
self.set(selectedUser)
self.updateDom(true)
}
}
self._handleClick = function () {
self.emit('click')
}
self._nodes.toggle.addEventListener('click', self._handleClick)
module.exports = self
|
