git ssb

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var nest = require('depnest')
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exports.needs = nest({
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  'feed.html.rollup': 'first',
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  'keys.sync.id': 'first',
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  'feed.pull.mentions': 'first'
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})
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exports.gives = nest('page.html.render')
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exports.create = function (api) {
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  return nest('page.html.render', function mentions (path) {
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    if (path !== '/mentions') return
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    var id = api.keys.sync.id()
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    return api.feed.html.rollup(api.feed.pull.mentions(id), {
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      compactFilter: (msg) => !mentionFilter(msg), // compact context messages
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      bumpFilter: mentionFilter,
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      displayFilter: mentionFilter
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    })
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    // scoped
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    function mentionFilter (msg) {
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      if (msg.value.author !== id) {
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        if (Array.isArray(msg.value.content.mentions) && msg.value.content.mentions.some(mention => {
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          return mention && mention.link === id
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        })) {
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          return 'mention'
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        } else if (msg.value.content.type === 'contact' && msg.value.content.following === true) {
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          return true
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        } else if (msg.value.content.type === 'about') {
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          return true
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        }
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      }
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    }
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  })
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}
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