git ssb

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var h = require('hyperscript')
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var pull = require('pull-stream')
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var human = require('human-time')
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var sbot = require('./scuttlebot')
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var composer = require('./compose')
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var tools = require('./tools')
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var config = require('./config')()
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var id = require('./keys').id
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var avatar = require('./avatar')
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var diff = require('diff')
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function hash () {
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  return window.location.hash.substring(1)
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}
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module.exports = function (msg) {
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  var message = h('div.message#' + msg.key.substring(0, 44))
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  if (!localStorage[msg.value.author])
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    var cache = {mute: false}
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  else
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    var cache = JSON.parse(localStorage[msg.value.author])
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  if (cache.mute == true) {
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    var muted = h('span', ' muted')
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    message.appendChild(tools.mini(msg, muted))
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    return message
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  } 
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  else if (msg.value.content.type == 'edit') {
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    message.appendChild(tools.header(msg))
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    var current = msg.value.content.text
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    sbot.get(msg.value.content.updated, function (err, updated) {
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      if (updated) {
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        fragment = document.createDocumentFragment()
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        var previous = updated.content.text
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        var ready = diff.diffWords(previous, current)
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        console.log(ready)
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        ready.forEach(function (part) {
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          if (part.added === true) {
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            color = 'cyan'
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          } else if (part.removed === true) {
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            color = 'gray'
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          } else {color = 'white'}
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          var span = h('span')
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          span.style.color = color
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          if (part.removed === true) {
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            span.appendChild(h('del', document.createTextNode(part.value)))
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          } else {
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            span.appendChild(document.createTextNode(part.value))
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          }
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          fragment.appendChild(span)
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        })
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        message.appendChild(h('code', fragment))
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      }
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    })
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    return message
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  }
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  else if (msg.value.content.type == 'scat_message') {
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    var src = hash()
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    if (src != 'backchannel') {
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      message.appendChild(h('button.btn.right', h('a', {href: '#backchannel'}, 'Chat')))
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    }
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    message.appendChild(tools.mini(msg, ' ' + msg.value.content.text))
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    return message
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  }
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  else if (msg.value.content.type == 'contact') {
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    var contact = h('a', {href: '#' + msg.value.content.contact}, avatar.name(msg.value.content.contact))
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    if (msg.value.content.following == true) {
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      var following = h('span', ' follows ', contact)
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      message.appendChild(tools.mini(msg, following))
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    } 
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    if (msg.value.content.following == false) {
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      var unfollowing = h('span', ' unfollows ', contact)
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      message.appendChild(tools.mini(msg, unfollowing))
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    }
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    if (msg.value.content.blocking == true) {
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      var blocking = h('span', ' blocks ', contact)
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      message.appendChild(tools.mini(msg, blocking))
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    }
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    if (msg.value.content.blocking == false) {
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      var unblocking = h('span', ' unblocks ', contact)
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      message.appendChild(tools.mini(msg, unblocking))
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    }
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    return message
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  }
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  else if (msg.value.content.type == 'git-update') {
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    message.appendChild(tools.header(msg))
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    var reponame = h('p', 'pushed to ', h('a', {href: '#' + msg.value.content.repo}, msg.value.content.repo))
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    var cloneurl = h('pre', 'git clone ssb://' + msg.value.content.repo)
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    message.appendChild(reponame)
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    pull(
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      sbot.get(msg.value.content.repo, function (err, data) {
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        if (err) throw err
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        if (data.content.name) {
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          actualname = h('p', 'pushed to ', h('a', {href: '#' + msg.value.content.repo}, '%' + data.content.name))
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          reponame.parentNode.replaceChild(actualname, reponame)
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        }
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      })
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    )
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    message.appendChild(cloneurl)
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    var commits = h('ul')
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    if (msg.value.content.commits[0]) {
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      msg.value.content.commits.map(function (commit) {
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        commits.appendChild(h('li', h('code', commit.sha1), ' - ', commit.title))
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      })
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    }
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    message.appendChild(commits)
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    return message 
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  }
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  else if (msg.value.content.type == 'git-repo') {
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    message.appendChild(tools.header(msg))
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    if (msg.value.content.name) {
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      message.appendChild(h('p', h('a', {href: '#' + msg.key}, '%' + msg.value.content.name)))
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    } else {
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      message.appendChild(h('p', h('a', {href: '#' + msg.key}, msg.key)))
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    }
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    var cloneurl = h('pre', 'git clone ssb://' + msg.key)
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    message.appendChild(cloneurl)
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    //message.appendChild(h('pre', tools.rawJSON(msg.value.content)))
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    return message  
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  }
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  else if (msg.value.content.type == 'wiki') {
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    var fallback = {}
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    var opts = {
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      type: 'wiki',
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      branch: msg.key
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    }
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    if (msg.value.content.root)
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      opts.root = msg.value.content.root
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    else
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      opts.root = msg.key
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    message.appendChild(tools.header(msg))
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    message.appendChild(h('div.message__body', tools.markdown(msg.value.content.text)))
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    pull(
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      sbot.query({query: [{$filter: {value: {content: {type: 'edit', original: msg.key}}}}], limit: 100, live: true}),
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      pull.drain(function (update) {
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        if (update.sync) {
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        } else {
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          var newMessage = h('div', tools.markdown(update.value.content.text))
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          var latest = h('div.message__body',
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            tools.timestamp(update, {edited: true}),
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            newMessage
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          )
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          message.replaceChild(latest, message.childNodes[message.childNodes.length - 2])
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          fallback.messageText = update.value.content.text
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          opts.updated = update.key
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          opts.original = msg.key
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        }
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      })
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    )
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    var buttons = h('div.buttons')
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    buttons.appendChild(h('button.btn', 'Edit wiki', {
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      onclick: function () {
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        opts.type = 'edit'
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        if (!fallback.messageText)
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          fallback.messageText = msg.value.content.text
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        if (!opts.updated)
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          opts.updated = msg.key
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          opts.original = msg.key
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        var r = message.childNodes.length - 1
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        fallback.buttons = message.childNodes[r]
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        message.removeChild(message.childNodes[r])
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        var compose = h('div#edit:' + msg.key.substring(0, 44), composer(opts, fallback))
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        message.replaceChild(compose, message.lastElementChild)
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      }
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    }))
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    buttons.appendChild(tools.star(msg))
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    message.appendChild(buttons)
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    return message
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  } else if (msg.value.content.type == 'post') {
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    var opts = {
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      type: 'post',
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      branch: msg.key
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    }
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    var fallback = {}
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    if (msg.value.content.root) 
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      opts.root = msg.value.content.root
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    else  
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      opts.root = msg.key 
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    message.appendChild(tools.header(msg))
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    if (msg.value.content.root) 
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      message.appendChild(h('span', 're: ', tools.messageLink(msg.value.content.root)))
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    message.appendChild(h('div.message__body', tools.markdown(msg.value.content.text)))
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    pull(
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      sbot.query({query: [{$filter: {value: {content: {type: 'edit', original: msg.key}}}}], limit: 100, live: true}),
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      pull.drain(function (update) {
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        if (update.sync) { 
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        } else {
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          var newMessage = h('div', tools.markdown(update.value.content.text))
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          var latest = h('div.message__body', 
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            tools.timestamp(update, {edited: true}),
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            newMessage
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          )
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          message.replaceChild(latest, message.childNodes[message.childNodes.length - 2])
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          fallback.messageText = update.value.content.text
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          opts.updated = update.key
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          opts.original = msg.key
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        } 
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      })    
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    )
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    var name = avatar.name(msg.value.author)
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    var buttons = h('div.buttons')
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    buttons.appendChild(h('button.btn', 'Reply', {
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      onclick: function () {
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        opts.type = 'post'
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        opts.mentions = '[' + name.textContent + '](' + msg.value.author + ')'
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        if (msg.value.content.recps) {
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          opts.recps = msg.value.content.recps
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        }
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        var r = message.childNodes.length - 1
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        delete opts.updated
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        delete opts.original 
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        delete fallback.messageText
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        fallback.buttons = message.childNodes[r]
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        var compose = h('div.message#re:' + msg.key.substring(0, 44), composer(opts, fallback))
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        message.removeChild(message.childNodes[r])
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        message.parentNode.insertBefore(compose, message.nextSibling)
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      }
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    }))
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    if (msg.value.author == id)
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      buttons.appendChild(h('button.btn', 'Edit', {
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        onclick: function () {
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          opts.type = 'edit'
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          if (!fallback.messageText) 
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            fallback.messageText = msg.value.content.text
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          if (!opts.updated)
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            opts.updated = msg.key
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            opts.original = msg.key
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          var r = message.childNodes.length - 1
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          fallback.buttons = message.childNodes[r]
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          message.removeChild(message.childNodes[r])
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          var compose = h('div#edit:' + msg.key.substring(0, 44), composer(opts, fallback))
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          message.replaceChild(compose, message.lastElementChild)
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        }
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      }))
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    buttons.appendChild(tools.star(msg))
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    message.appendChild(buttons)
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    return message
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  } else if (msg.value.content.type == 'vote') {
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    if (msg.value.content.vote.value == 1)
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      var link = h('span', ' ', h('img.emoji', {src: config.emojiUrl + 'star.png'}), ' ', h('a', {href: '#' + msg.value.content.vote.link}, tools.messageLink(msg.value.content.vote.link)))
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    else if (msg.value.content.vote.value == -1)
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      var link = h('span', ' ', h('img.emoji', {src: config.emojiUrl + 'stars.png'}), ' ', h('a', {href: '#' + msg.value.content.vote.link}, tools.messageLink(msg.value.content.vote.link)))
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    message.appendChild(tools.mini(msg, link))
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    return message
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  } else if (typeof msg.value.content === 'string') {
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    var privateMsg = h('span', ' sent a private message.')
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    message.appendChild(tools.mini(msg, privateMsg))
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    return message
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  } else {
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    //FULL FALLBACK
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    message.appendChild(tools.header(msg))
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    message.appendChild(h('pre', tools.rawJSON(msg.value.content)))
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    //MINI FALLBACK
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    //var fallback = h('span', ' ' + msg.value.content.type)
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    //message.appendChild(tools.mini(msg, fallback))
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    return message 
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  }
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}
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