git ssb

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var h = require('mutant/h')
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var computed = require('mutant/computed')
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var nest = require('depnest')
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var extend = require('xtend')
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var ref = require('ssb-ref')
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exports.needs = nest({
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  'message.html': {
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    decorate: 'reduce',
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    layout: 'first',
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    markdown: 'first'
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  },
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  'keys.sync.id': 'first',
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  'profile.html.person': 'first',
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  'about.obs.name': 'first',
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  'blob.sync.url': 'first',
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  'intl.sync.i18n': 'first'
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})
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exports.gives = nest('message.html', {
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  canRender: true,
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  render: true
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})
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exports.create = function (api) {
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  const i18n = api.intl.sync.i18n
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  return nest('message.html', {
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    canRender: isRenderable,
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    render: function (msg, opts) {
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      if (!isRenderable(msg)) return
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      var c = msg.value.content
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      var self = msg.value.author === c.about
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      var miniContent = []
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      var content = []
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      if (c.name) {
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        var target = api.profile.html.person(c.about, c.name)
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        miniContent.push(computed([self, api.about.obs.name(c.about), c.name], (self, a, b) => {
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          if (self) {
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            return [i18n('self identifies as '), '"', target, '"']
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          } else if (a === b) {
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            return [i18n('identified '), api.profile.html.person(c.about)]
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          } else {
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            return [i18n('identifies '), api.profile.html.person(c.about), i18n(' as "'), target, '"']
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          }
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        }))
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      }
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      if (c.image) {
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        if (!miniContent.length) {
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          var imageAction = self ? i18n('self assigned a display image') : [i18n('assigned a display image to '), api.profile.html.person(c.about)]
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          miniContent.push(imageAction)
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        }
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        content.push(h('a AboutImage', {
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          href: c.about
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        }, [
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          h('img', {src: api.blob.sync.url(c.image)})
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        ]))
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      }
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      var elements = []
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      if (miniContent.length) {
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        var element = api.message.html.layout(msg, extend({
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          showActions: true,
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          miniContent,
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          content,
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          layout: 'mini'
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        }, opts))
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        elements.push(api.message.html.decorate(element, { msg }))
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      }
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      if (c.description) {
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        elements.push(api.message.html.decorate(api.message.html.layout(msg, extend({
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          showActions: true,
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          miniContent: self ? i18n('self assigned a description') : [i18n('assigned a description to '), api.profile.html.person(c.about)],
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          content: api.message.html.markdown(c.description),
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          layout: 'mini'
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        }, opts)), { msg }))
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      }
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      return elements
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    }
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  })
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  function isRenderable (msg) {
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    if (msg.value.content.type !== 'about') return
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    if (!ref.isFeed(msg.value.content.about)) return
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    var c = msg.value.content
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    if (!c || (!c.description && !isBlobLink(c.image) && !c.name)) return
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    return true
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  }
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}
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function isBlobLink (link) {
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  if (link && typeof link.link === 'string') {
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    link = link.link
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  }
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  var parsed = ref.parseLink(link)
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  if (parsed && ref.isBlob(parsed.link)) {
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    return true
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  }
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}