git ssb

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var h = require('mutant/h')
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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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  },
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  'about.obs.latestValue': 'first'
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})
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exports.gives = nest('message.html.render')
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exports.create = function (api) {
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  return nest('message.html.render', function about (msg, opts) {
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    if (msg.value.content.type !== 'about') return
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    if (!ref.isMsg(msg.value.content.about)) return
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    if (!msg.value.content.attendee) return
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    if (msg.value.content.attendee.link !== msg.value.author) return
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    var action = msg.value.content.attendee.remove ? `can't attend` : 'is attending'
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    var target = msg.value.content.about
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    var title = api.about.obs.latestValue(target, 'title')
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    var element = api.message.html.layout(msg, extend({
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      showActions: true,
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      miniContent: [action, ' ', h('a', {href: target}, title)],
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      layout: 'mini'
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    }, opts))
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    return api.message.html.decorate(element, { msg })
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  })
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}
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