git ssb

1
const nest = require('depnest')
2
const { h, map, computed, when } = require('mutant')
3
const { intersection, difference } = require('lodash')
4
5
exports.gives = nest('contact.obs.relationships')
6
7
exports.needs = nest({
8
  'contact.obs.followers': 'first',
9
  'contact.obs.following': 'first',
10
  'keys.sync.id': 'first'
11
})
12
13
exports.create = function (api) {
14
  return nest({
15
    'contact.obs.relationships': relationships
16
  })
17
18
  function relationships (id) {
19
    var following = api.contact.obs.following(id)
20
    var followers = api.contact.obs.followers(id)
21
22
    return computed([following, followers], (followingRaw, followersRaw) => {
23
      const friends = intersection([...followingRaw], [...followersRaw])
24
      const followers = difference(followersRaw, friends)
25
      const following = difference(followingRaw, friends)
26
27
      return { friends, followers, following }
28
    })
29
  }
30
}
31