git ssb

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const nest = require('depnest')
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const HyperNav = require('hyper-nav')
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const { h } = require('mutant')
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exports.gives = nest({
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  'app.sync.nav': true,
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  'history.obs.history': true,
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  'history.sync.push': true,
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  'history.sync.back': true,
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})
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exports.needs = nest({
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  'app.html.header': 'first',
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  'keys.sync.id': 'first',
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  'router.sync.router': 'first',
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  'settings.sync.get': 'first',
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  'settings.sync.set': 'first',
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})
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exports.create = (api) => {
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  var nav = null
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  return nest({
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    'app.sync.nav': function getNav () {
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      if (nav) return nav
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      nav = HyperNav(
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        api.router.sync.router,
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        api.app.html.header
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      )
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      const isOnboarded = api.settings.sync.get('onboarded')
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      if (isOnboarded)
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        nav.push({page: 'home'})
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      else {
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        nav.push({
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          page:'userEdit',
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          feed: api.keys.sync.id(),
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          callback: (err, didEdit) => {
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            if (err) throw new Error ('Error editing profile', err)
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            if (didEdit)
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              api.settings.sync.set({ onboarded: true })
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            nav.push({ page: 'home' })
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          }
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        }) 
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      }
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      return nav
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    },
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    'history.sync.push': (location) => nav.push(location),
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    'history.sync.back': () => nav.back(),
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    'history.obs.history': () => nav.history,
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  })
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}
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