git ssb

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var h = require('hyperscript')
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var pull = require('pull-stream')
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exports.needs = {
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  avatar_image_link: 'first',
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  avatar_action: 'map',
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  avatar_edit: 'first',
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  follows: 'first',
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  followers: 'first'
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}
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exports.gives = 'avatar_profile'
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function streamToList(stream, el) {
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  pull(
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    stream,
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    pull.drain(function (item) {
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      if(item) el.appendChild(item)
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    })
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  )
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  return el
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}
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exports.create = function (api) {
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  function image_link (id) {
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    return api.avatar_image_link(id, 'thumbnail')
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  }
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  return function (id) {
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    var follows_el = h('div.profile__follows.wrap')
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    var friends_el = h('div.profile__friendss.wrap')
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    var followers_el = h('div.profile__followers.wrap')
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    var a, b
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    pull(api.follows(id), pull.unique(), pull.collect(function (err, ary) {
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      a = ary || []; next()
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    }))
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    pull(api.followers(id), pull.unique(), pull.collect(function (err, ary) {
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      b = ary || {}; next()
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    }))
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    function next () {
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      if(!(a && b)) return
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      var _c = [], _a = [], _b = []
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      a.forEach(function (id) {
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        if(!~b.indexOf(id)) _a.push(id)
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        else               _c.push(id)
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      })
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      b.forEach(function (id) {
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        if(!~_c.indexOf(id)) _b.push(id)
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      })
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      function add (ary, el) {
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        ary.forEach(function (id) { el.appendChild(image_link(id)) })
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      }
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      add(_a, follows_el)
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      add(_c, friends_el)
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      add(_b, followers_el)
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    }
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    return h('div.column.profile',
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      api.avatar_edit(id),
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      api.avatar_action(id),
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      h('div.profile__relationships.column',
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        h('strong', 'follows'),
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        follows_el,
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        h('strong', 'friends'),
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        friends_el,
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        h('strong', 'followers'),
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        followers_el
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      )
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    )
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  }
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}
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