Files: d6637ae89d381d174f5c5aac3dafebebe079c33a / message / html / compose.js
3937 bytesRaw
1 | const { h, when, send, resolve, Value, computed } = require('mutant') |
2 | const nest = require('depnest') |
3 | const mentions = require('ssb-mentions') |
4 | const extend = require('xtend') |
5 | const addSuggest = require('suggest-box') |
6 | |
7 | exports.needs = nest({ |
8 | 'about.async.suggest': 'first', |
9 | 'blob.html.input': 'first', |
10 | 'channel.async.suggest': 'first', |
11 | 'emoji.sync': { |
12 | names: 'first', |
13 | url: 'first' |
14 | }, |
15 | 'message.async.publish': 'first' |
16 | }) |
17 | |
18 | exports.gives = nest('message.html.compose') |
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 | var files = [] |
25 | var filesById = {} |
26 | var focused = Value(false) |
27 | var hasContent = Value(false) |
28 | var getProfileSuggestions = api.about.async.suggest() |
29 | var getChannelSuggestions = api.channel.async.suggest() |
30 | |
31 | var blurTimeout = null |
32 | |
33 | var expanded = computed([shrink, focused, hasContent], (shrink, focused, hasContent) => { |
34 | if (!shrink || hasContent) { |
35 | return true |
36 | } else { |
37 | return focused |
38 | } |
39 | }) |
40 | |
41 | var textArea = h('textarea', { |
42 | 'ev-input': function () { |
43 | hasContent.set(!!textArea.value) |
44 | }, |
45 | 'ev-blur': () => { |
46 | clearTimeout(blurTimeout) |
47 | blurTimeout = setTimeout(() => focused.set(false), 200) |
48 | }, |
49 | 'ev-focus': send(focused.set, true), |
50 | placeholder |
51 | }) |
52 | |
53 | var fileInput = api.blob.html.input(file => { |
54 | files.push(file) |
55 | filesById[file.link] = file |
56 | |
57 | var embed = file.type.indexOf('image/') === 0 ? '!' : '' |
58 | |
59 | textArea.value += embed + `[${file.name}](${file.link})` |
60 | console.log('added:', file) |
61 | }) |
62 | |
63 | fileInput.onclick = function () { |
64 | hasContent.set(true) |
65 | } |
66 | |
67 | var publishBtn = h('button', { 'ev-click': publish }, 'Publish') |
68 | |
69 | var actions = h('section.actions', [ |
70 | fileInput, |
71 | publishBtn |
72 | ]) |
73 | |
74 | var composer = h('Compose', { |
75 | classList: when(expanded, '-expanded', '-contracted') |
76 | }, [ |
77 | textArea, |
78 | actions |
79 | ]) |
80 | |
81 | addSuggest(textArea, (inputText, cb) => { |
82 | if (inputText[0] === '@') { |
83 | cb(null, getProfileSuggestions(inputText.slice(1))) |
84 | } else if (inputText[0] === '#') { |
85 | cb(null, getChannelSuggestions(inputText.slice(1))) |
86 | } else if (inputText[0] === ':') { |
87 | // suggest emojis |
88 | var word = inputText.slice(1) |
89 | if (word[word.length - 1] === ':') { |
90 | word = word.slice(0, -1) |
91 | } |
92 | // TODO: when no emoji typed, list some default ones |
93 | cb(null, api.emoji.sync.names().filter(function (name) { |
94 | return name.slice(0, word.length) === word |
95 | }).slice(0, 100).map(function (emoji) { |
96 | return { |
97 | image: api.emoji.sync.url(emoji), |
98 | title: emoji, |
99 | subtitle: emoji, |
100 | value: ':' + emoji + ':' |
101 | } |
102 | })) |
103 | } |
104 | }, {cls: 'SuggestBox'}) |
105 | |
106 | return composer |
107 | |
108 | // scoped |
109 | |
110 | function publish () { |
111 | publishBtn.disabled = true |
112 | |
113 | meta = extend(resolve(meta), { |
114 | text: textArea.value, |
115 | mentions: mentions(textArea.value).map(mention => { |
116 | // merge markdown-detected mention with file info |
117 | var file = filesById[mention.link] |
118 | if (file) { |
119 | if (file.type) mention.type = file.type |
120 | if (file.size) mention.size = file.size |
121 | } |
122 | return mention |
123 | }) |
124 | }) |
125 | |
126 | try { |
127 | if (typeof prepublish === 'function') { |
128 | meta = prepublish(meta) |
129 | } |
130 | } catch (err) { |
131 | publishBtn.disabled = false |
132 | if (cb) cb(err) |
133 | else throw err |
134 | } |
135 | |
136 | return api.message.async.publish(meta, done) |
137 | |
138 | function done (err, msg) { |
139 | publishBtn.disabled = false |
140 | if (err) throw err |
141 | else if (msg) textArea.value = '' |
142 | if (cb) cb(err, msg) |
143 | } |
144 | } |
145 | } |
146 | } |
147 | |
148 |
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