git ssb

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var h = require('hyperscript')
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var human = require('human-time')
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module.exports.timestamp = function (msg) {
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  // this function renders a human-readable timestamp and updates it once in awhile
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  function updateTimestampEl(el) {
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    el.firstChild.nodeValue = human(new Date(el.timestamp))
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    return el
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  }
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  setInterval(function () {
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    var els = [].slice.call(document.querySelectorAll('.timestamp'))
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    els.forEach(updateTimestampEl)
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  }, 60e3)  
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  var timestamp = updateTimestampEl(h('a.enter.timestamp', {
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    href: '#'+msg.key,
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    timestamp: msg.value.timestamp,
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    title: new Date(msg.value.timestamp)
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  }, ''))
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  return timestamp
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}
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var emojis = require('emoji-named-characters')
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module.exports.emojinames = function () {
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  var emojiNames = Object.keys(emojis)
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  return emojiNames
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}
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var sbot = require('./scuttlebot.js')
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module.exports.message_name = function (id, cb) {
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  // gets the first few characters of a message, for message-link
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  function title (s) {
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    var m = /^\n*([^\n]{0,40})/.exec(s)
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    return m && (m[1].length == 40 ? m[1]+'...' : m[1])
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  }
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  sbot.get(id, function (err, value) {
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    if(err && err.name == 'NotFoundError')
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      return cb(null, id.substring(0, 10)+'...(missing)')
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    if(value.content.type === 'post' && 'string' === typeof value.content.text)
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      return cb(null, title(value.content.text))
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    else if('string' === typeof value.content.text)
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      return cb(null, value.content.type + ':'+title(value.content.text))
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    else
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      return cb(null, id.substring(0, 10)+'...')
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  })
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}
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var messageName = exports.message_name
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var ref = require('ssb-ref')
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module.exports.message_link = function (id) {
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  // generates a link to a message that has been replied to
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  if('string' !== typeof id)
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    throw new Error('link must be to message id')
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  var link = h('a', {href: '#'+id}, id.substring(0, 10)+'...')
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  if(ref.isMsg(id))
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    messageName(id, function (err, name) {
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      if(err) console.error(err)
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      else link.textContent = name
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    })
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  return link
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}
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var markdown = require('ssb-markdown')
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var config = require('../config')()
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module.exports.markdown = function (content) {
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 function renderEmoji(emoji) {
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    var url = config.emojiUrl + emoji
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    if (!url) return ':' + emoji + ':'
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    return '<img src="' + encodeURI(url) + '"'
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      + ' alt=":' + escape(emoji) + ':"'
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      + ' title=":' + escape(emoji) + ':"'
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      + ' class="emoji">'
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  }
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  if('string' === typeof content)
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      content = {text: content}
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    //handle patchwork style mentions.
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    var mentions = {}
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    var md = h('div.markdown')
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    md.innerHTML = markdown.block(content.text, {
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      emoji: renderEmoji,
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      toUrl: function (id) {
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        if(ref.isBlob(id)) return config.blobsUrl + id
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        return '#'+(mentions[id]?mentions[id]:id)
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      }
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    })
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    return md
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}
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