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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exports.needs = nest({
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  'contact.obs.blockers': 'first',
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  'keys.sync.id': 'first',
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  'message.html': {
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    decorate: 'reduce',
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    layout: 'first',
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    link: 'first',
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    markdown: 'first'
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  }
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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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  const myId = api.keys.sync.id()
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  return nest('message.html.render', function renderMessage (msg, opts) {
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    if (msg.value.content.type !== 'post') return
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    const blockers = api.contact.obs.blockers(msg.value.author)
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    if (blockers().includes(myId)) return
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    var element = api.message.html.layout(msg, extend({
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      title: messageTitle(msg),
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      content: messageContent(msg),
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      layout: 'default'
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    }, opts))
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    return api.message.html.decorate(element, { msg })
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  })
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  function messageContent (data) {
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    if (!data.value.content || !data.value.content.text) return
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    return h('div', {}, api.message.html.markdown(data.value.content))
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  }
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  function messageTitle (data) {
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    var root = data.value.content && data.value.content.root
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    return !root ? null : h('span', ['re: ', api.message.html.link(root)])
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  }
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}
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