git ssb

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var nest = require('depnest')
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var { h, send, when, computed, map } = require('mutant')
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exports.needs = nest({
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  'message.async.publish': 'first',
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  'keys.sync.id': 'first',
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  'channel.obs': {
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    subscribed: 'first',
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    recent: 'first'
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  },
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  'intl.sync.i18n': '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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  const i18n = api.intl.sync.i18n
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  return nest('page.html.render', function page (path) {
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    if (path !== '/channels') return
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    var id = api.keys.sync.id()
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    var channels = api.channel.obs.recent()
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    var subscribedChannels = api.channel.obs.subscribed(id)
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    var loading = computed(subscribedChannels.sync, x => !x)
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    return h('div', { classList: 'Scroller' }, [
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      when(loading, [ h('Loading') ]),
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      h('div', {
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        classList: 'AllChannels',
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        hidden: loading
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      }, [
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        map(channels, (channel) => {
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          var subscribed = subscribedChannels.has(channel)
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          return h('a.channel', {
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            href: `#${channel}`,
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            classList: [
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              when(subscribed, '-subscribed')
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            ]
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          }, [
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            h('span.name', '#' + channel),
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            when(subscribed,
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                h('a.-unsubscribe', {
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                  'ev-click': send(unsubscribe, channel)
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                }, i18n('Unsubscribe')),
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                h('a.-subscribe', {
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                  'ev-click': send(subscribe, channel)
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                }, i18n('Subscribe'))
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              )
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          ])
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        }, {maxTime: 5, idle: true})
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      ])
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    ])
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    function subscribe (id) {
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      api.message.async.publish({
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        type: 'channel',
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        channel: id,
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        subscribed: true
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      })
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    }
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    function unsubscribe (id) {
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      api.message.async.publish({
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        type: 'channel',
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        channel: id,
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        subscribed: false
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      })
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    }
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  })
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}
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