git ssb

1
var combine = require('depject')
2
var Modules = require('patchbay/modules')
3
var SbotApi = require('./api')
4
var extend = require('xtend')
5
var h = require('./lib/h')
6
var plugs = require('patchbay/plugs')
7
var Value = require('@mmckegg/mutant/value')
8
var when = require('@mmckegg/mutant/when')
9
var computed = require('@mmckegg/mutant/computed')
10
11
module.exports = function (ssbClient, config) {
12
  var api = SbotApi(ssbClient, config)
13
  var modules = combine(extend(Modules, {
14
    'sbot-api.js': api,
15
    'blob-url.js': {
16
      blob_url: function (link) {
17
        var prefix = config.blobsPrefix != null ? config.blobsPrefix : `http://localhost:${config.blobsPort}`
18
        if (typeof link.link === 'string') {
19
          link = link.link
20
        }
21
        return `${prefix}/${encodeURIComponent(link)}`
22
      }
23
    }
24
  }))
25
26
  var screenView = plugs.first(modules.plugs.screen_view)
27
  var forwardHistory = []
28
  var backHistory = []
29
  var views = {
30
    '/public': screenView('/public')
31
  }
32
  var canGoForward = Value(false)
33
  var canGoBack = Value(false)
34
  var currentView = Value(['/public'])
35
  var rootElement = computed(currentView, (data) => {
36
    if (Array.isArray(data)) {
37
      return views[data[0]]
38
    }
39
  })
40
41
  window.onhashchange = function (ev) {
42
    setView(window.location.hash.substring(1))
43
  }
44
45
  var mainElement = h('div.main', [
46
    rootElement
47
  ])
48
49
  return h('MainWindow', {
50
    classList: [ '-' + process.platform ]
51
  }, [
52
    h('div.top', [
53
      h('span.history', [
54
        h('a', {
55
          'ev-click': goBack,
56
          classList: [ when(canGoBack, '-active') ]
57
        }, '<'),
58
        h('a', {
59
          'ev-click': goForward,
60
          classList: [ when(canGoForward, '-active') ]
61
        }, '>')
62
      ]),
63
      h('span.appTitle', ['Patchwork'])
64
    ]),
65
    mainElement
66
  ])
67
68
  // scoped
69
70
  function goBack () {
71
    if (backHistory.length) {
72
      canGoForward.set(true)
73
      forwardHistory.push(currentView())
74
      currentView.set(backHistory.pop())
75
      canGoBack.set(backHistory.length > 0)
76
    }
77
  }
78
79
  function goForward () {
80
    if (forwardHistory.length) {
81
      backHistory.push(currentView())
82
      currentView.set(forwardHistory.pop())
83
      canGoForward.set(forwardHistory.length > 0)
84
      canGoBack.set(true)
85
    }
86
  }
87
88
  function setView (view, ...args) {
89
    var newView = [view, ...args]
90
    if (!isSame(newView, currentView())) {
91
      if (!views[view]) {
92
        views[view] = screenView(view, ...args)
93
      }
94
95
      canGoForward.set(false)
96
      canGoBack.set(true)
97
      forwardHistory.length = 0
98
      backHistory.push(currentView())
99
      currentView.set(newView)
100
      currentView().scrollTop = 0
101
    }
102
  }
103
}
104
105
function isSame (a, b) {
106
  if (Array.isArray(a) && Array.isArray(b) && a.length === b.length) {
107
    for (var i = 0; i < a.length; i++) {
108
      if (a[i] !== b[i]) {
109
        return false
110
      }
111
    }
112
    return true
113
  } else if (a === b) {
114
    return true
115
  }
116
}
117