git ssb

1
const nest = require('depnest')
2
const { h, Array: MutantArray, computed, when, map } = require('mutant')
3
4
exports.gives = nest('contact.html.follow')
5
6
exports.needs = nest({
7
  'contact.async.follow': 'first',
8
  'contact.async.unfollow': 'first',
9
  'contact.obs.followers': 'first',
10
  'keys.sync.id': 'first',
11
  'translations.sync.strings': 'first',
12
})
13
14
exports.create = (api) => {
15
  return nest('contact.html.follow', follow)
16
17
  function follow (feed) {
18
    const strings = api.translations.sync.strings()
19
    const myId = api.keys.sync.id()
20
21
    if (feed === myId) return
22
23
    const { followers } = api.contact.obs
24
    const theirFollowers = followers(feed)
25
    const youFollowThem = computed(theirFollowers, followers => followers.includes(myId))
26
27
    const className = when(youFollowThem, '-following')
28
    const follow = (feed) => ev => {
29
      ev.stopPropagation()
30
      api.contact.async.follow(feed)
31
    }
32
    const unfollow = (feed) => ev => {
33
      ev.stopPropagation()
34
      api.contact.async.unfollow(feed)
35
    }
36
    
37
    return h('Follow', { className },
38
      when(theirFollowers.sync,
39
        when(youFollowThem,
40
          h('Button', { 'ev-click': unfollow(feed) }, strings.userShow.action.unfollow),
41
          h('Button -strong', { 'ev-click': follow(feed) }, strings.userShow.action.follow)
42
        ),
43
        h('Button', { disabled: 'disabled' }, strings.loading )
44
      )
45
    )
46
  }
47
}
48
49