git ssb

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var markdown = require('ssb-markdown')
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var h = require('hyperscript')
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var ref = require('ssb-ref')
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exports.needs = {
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  blob_url: 'first',
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  emoji_url: 'first'
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}
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exports.gives = 'markdown'
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exports.create = function (api) {
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  function renderEmoji(emoji) {
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    var url = api.emoji_url(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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  return function (content) {
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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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    if(Array.isArray(content.mentions))
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      content.mentions.forEach(function (link) {
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        if(link.name) mentions["@"+link.name] = link.link
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      })
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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 api.blob_url(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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}
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