git ssb

1
const nest = require('depnest')
2
const { h } = require('mutant')
3
const Tabs = require('hypertabs')
4
5
exports.gives = nest({
6
  'app.html.tabs': true
7
})
8
9
exports.needs = nest({
10
  'app.html.menu': 'first',
11
  'app.html.searchBar': 'first',
12
  'app.sync.goTo': 'first',
13
  'app.sync.locationId': 'first',
14
  'history.obs.store': 'first',
15
  'history.sync.push': 'first'
16
})
17
18
exports.create = function (api) {
19
  var _tabs
20
21
  return nest({
22
    'app.html.tabs': tabs
23
  })
24
25
  function tabs ({ initial = [], prepend, append } = {}) {
26
    if (_tabs) return _tabs
27
28
    const onSelect = (indexes) => {
29
      const { id } = _tabs.get(indexes[0]).content
30
31
      try {
32
        var location = JSON.parse(id)
33
      } catch (e) {
34
        throw new Error('app.html.tabs expects all page ids to be stringified location objects')
35
      }
36
37
      api.history.sync.push(location)
38
      search.input.value = buildSearchBarTermFromLocation(location)
39
    }
40
    const onClose = (page) => {
41
      var history = api.history.obs.store()
42
      const prunedHistory = history().filter(loc => {
43
        return api.app.sync.locationId(loc) !== page.id
44
      })
45
      history.set(prunedHistory)
46
    }
47
48
    const search = api.app.html.searchBar()
49
    const menu = api.app.html.menu()
50
    if (append === undefined) append = h('div.navExtra', [ search, menu ])
51
52
    _tabs = Tabs({ onSelect, onClose, prepend, append })
53
    _tabs.currentPage = () => {
54
      const currentPage = _tabs.get(_tabs.selected[0])
55
      return currentPage && currentPage.firstChild
56
    }
57
    _tabs.nextTab = () => _tabs.currentPage() && _tabs.selectRelative(1)
58
    _tabs.previousTab = () => _tabs.currentPage() && _tabs.selectRelative(-1)
59
    _tabs.closeCurrentTab = () => { _tabs.currentPage() && _tabs.remove(_tabs.selected[0]) }
60
61
    // # TODO: review - this works but is strange
62
    initial.forEach(p => api.app.sync.goTo(p))
63
    if (initial[0]) api.app.sync.goTo(initial[0])
64
    return _tabs
65
  }
66
}
67
68
// TODO - move this responsibility out to the searchBar?
69
function buildSearchBarTermFromLocation (location) {
70
  const { page, query } = location
71
72
  if (page === 'search') return '?' + query
73
74
  const keys = Object.keys(location)
75
  if (page && keys.length === 1) return '/' + page
76
77
  return keys
78
    .map(k => location[k])
79
    .join(', ')
80
}
81