git ssb

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const nest = require('depnest')
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const pull = require('pull-stream')
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const Scroller = require('pull-scroll')
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exports.gives = nest('app.page.channel')
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exports.needs = nest({
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  'app.html': {
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    filter: 'first',
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    scroller: 'first'
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  },
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  'feed.pull.channel': 'first',
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  message: {
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    html: {
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      compose: 'first',
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      render: 'first'
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    }
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    // 'sync.unbox': 'first'
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  }
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})
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exports.create = function (api) {
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  return nest('app.page.channel', channelView)
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  function channelView (location) {
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    const { channel } = location
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    const channelName = channel.substr(1)
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    const composer = api.message.html.compose({ meta: { type: 'post', channelName } })
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    const { filterMenu, filterDownThrough, filterUpThrough, resetFeed } = api.app.html.filter(draw)
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    const { container, content } = api.app.html.scroller({ prepend: [composer, filterMenu] })
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    function draw () {
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      resetFeed({ container, content })
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      const openChannelSource = api.feed.pull.channel(channelName)
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      pull(
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        openChannelSource({old: false}),
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        filterUpThrough(),
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        Scroller(container, content, api.message.html.render, true, false)
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      )
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      pull(
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        openChannelSource({reverse: true}),
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        filterDownThrough(),
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        Scroller(container, content, api.message.html.render, false, false)
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      )
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    }
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    draw()
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    container.id = JSON.stringify(location)
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    container.title = channel
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    return container
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  }
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}
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