git ssb

1
const nest = require('depnest')
2
const { h, when, send, resolve, Value, computed } = require('mutant')
3
const assign = require('lodash/assign')
4
const ssbMentions = require('ssb-mentions')
5
const addSuggest = require('suggest-box')
6
7
exports.gives = nest('message.html.compose')
8
9
exports.needs = nest({
10
  'about.async.suggest': 'first',
11
  'blob.html.input': 'first',
12
  // 'channel.async.suggest': 'first',
13
  'emoji.sync.names': 'first',
14
  'emoji.sync.url': 'first',
15
  'message.async.publish': 'first',
16
  // 'message.html.confirm': 'first'
17
  'translations.sync.strings': 'first'
18
})
19
20
exports.create = function (api) {
21
  return nest('message.html.compose', compose)
22
23
  function compose ({ shrink = true, meta, prepublish, placeholder = 'Write a message' }, cb) {
24
    const strings = api.translations.sync.strings()
25
26
    var files = []
27
    var filesById = {}
28
    var channelInputFocused = Value(false)
29
    var textAreaFocused = Value(false)
30
    var focused = computed([channelInputFocused, textAreaFocused], (a, b) => a || b)
31
    var hasContent = Value(false)
32
    var getProfileSuggestions = api.about.async.suggest()
33
    // var getChannelSuggestions = api.channel.async.suggest()
34
35
    var blurTimeout = null
36
37
    var expanded = computed([shrink, focused, hasContent], (shrink, focused, hasContent) => {
38
      if (!shrink || hasContent) return true
39
40
      return focused
41
    })
42
43
    // var channelInput = h('input.channel', {
44
    //   'ev-input': () => hasContent.set(!!channelInput.value),
45
    //   'ev-keyup': ev => {
46
    //     ev.target.value = ev.target.value.replace(/^#*([\w@%&])/, '#$1')
47
    //   },
48
    //   'ev-blur': () => {
49
    //     clearTimeout(blurTimeout)
50
    //     blurTimeout = setTimeout(() => channelInputFocused.set(false), 200)
51
    //   },
52
    //   'ev-focus': send(channelInputFocused.set, true),
53
    //   placeholder: '#channel (optional)',
54
    //   value: computed(meta.channel, ch => ch ? '#' + ch : null),
55
    //   disabled: when(meta.channel, true),
56
    //   title: when(meta.channel, 'Reply is in same channel as original message')
57
    // })
58
59
    var textArea = h('textarea', {
60
      'ev-input': () => hasContent.set(!!textArea.value),
61
      'ev-blur': () => {
62
        clearTimeout(blurTimeout)
63
        blurTimeout = setTimeout(() => textAreaFocused.set(false), 200)
64
      },
65
      'ev-focus': send(textAreaFocused.set, true),
66
      placeholder
67
    })
68
    textArea.publish = publish // TODO: fix - clunky api for the keyboard shortcut to target
69
70
    var fileInput = api.blob.html.input(file => {
71
      files.push(file)
72
      filesById[file.link] = file
73
74
      var embed = file.type.match(/^image/) ? '!' : ''
75
      var spacer = embed ? '\n' : ' '
76
      var insertLink = spacer + embed + '[' + file.name + ']' + '(' + file.link + ')' + spacer
77
78
      var pos = textArea.selectionStart
79
      textArea.value = textArea.value.slice(0, pos) + insertLink + textArea.value.slice(pos)
80
81
      console.log('added:', file)
82
    })
83
84
    fileInput.onclick = () => hasContent.set(true)
85
86
    var publishBtn = h('Button -primary', { 'ev-click': publish }, strings.sendMessage)
87
88
    var actions = h('section.actions', [
89
      fileInput,
90
      publishBtn
91
    ])
92
93
    var composer = h('Compose', {
94
      classList: when(expanded, '-expanded', '-contracted')
95
    }, [
96
      // channelInput,
97
      textArea,
98
      actions
99
    ])
100
101
    // addSuggest(channelInput, (inputText, cb) => {
102
    //   if (inputText[0] === '#') {
103
    //     cb(null, getChannelSuggestions(inputText.slice(1)))
104
    //   }
105
    // }, {cls: 'SuggestBox'})
106
    // channelInput.addEventListener('suggestselect', ev => {
107
    //   channelInput.value = ev.detail.id  // HACK : this over-rides the markdown value
108
    // })
109
110
    addSuggest(textArea, (inputText, cb) => {
111
      if (inputText[0] === '@') {
112
        cb(null, getProfileSuggestions(inputText.slice(1)))
113
      // } else if (inputText[0] === '#') {
114
      //   cb(null, getChannelSuggestions(inputText.slice(1)))
115
      } else if (inputText[0] === ':') {
116
        // suggest emojis
117
        var word = inputText.slice(1)
118
        if (word[word.length - 1] === ':') {
119
          word = word.slice(0, -1)
120
        }
121
        // TODO: when no emoji typed, list some default ones
122
        cb(null, api.emoji.sync.names().filter(function (name) {
123
          return name.slice(0, word.length) === word
124
        }).slice(0, 100).map(function (emoji) {
125
          return {
126
            image: api.emoji.sync.url(emoji),
127
            title: emoji,
128
            subtitle: emoji,
129
            value: ':' + emoji + ':'
130
          }
131
        }))
132
      }
133
    }, {cls: 'SuggestBox'})
134
135
    return composer
136
137
    // scoped
138
139
    function publish () {
140
      publishBtn.disabled = true
141
142
      // const channel = channelInput.value.startsWith('#')
143
      //   ? channelInput.value.substr(1).trim()
144
      //   : channelInput.value.trim()
145
      const mentions = ssbMentions(textArea.value).map(mention => {
146
        // merge markdown-detected mention with file info
147
        var file = filesById[mention.link]
148
        if (file) {
149
          if (file.type) mention.type = file.type
150
          if (file.size) mention.size = file.size
151
        }
152
        return mention
153
      })
154
155
      var content = assign({}, resolve(meta), {
156
        text: textArea.value,
157
        // channel,
158
        mentions
159
      })
160
161
      // if (!channel) delete content.channel
162
      if (!content.channel) delete content.channel
163
      if (!mentions.length) delete content.mentions
164
      if (content.recps && content.recps.length === 0) delete content.recps
165
166
      try {
167
        if (typeof prepublish === 'function') {
168
          content = prepublish(content)
169
        }
170
      } catch (err) {
171
        publishBtn.disabled = false
172
        handleErr(err)
173
      }
174
175
      return api.message.async.publish(content, done)
176
      // return api.message.html.confirm(content, done)
177
178
      function done (err, msg) {
179
        publishBtn.disabled = false
180
        if (err) handleErr(err)
181
        else if (msg) textArea.value = ''
182
        if (cb) cb(err, msg)
183
      }
184
185
      function handleErr (err) {
186
        if (cb) cb(err)
187
        else throw err
188
      }
189
    }
190
  }
191
}
192
193
194