git ssb

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const nest = require('depnest')
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const extend = require('xtend')
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const ref = require('ssb-ref')
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const { h, when } = require('mutant')
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exports.gives = nest('message.html.render')
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exports.needs = nest({
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  'about.html.link': 'first',
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  'blob.sync.url': 'first',
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  'message.html': {
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    decorate: 'reduce',
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    layout: 'first'
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  }
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})
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exports.create = function (api) {
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  return nest('message.html.render', about)
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  function about (msg, opts) {
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    if (msg.value.content.type !== 'about') return
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    const { name, description, image } = msg.value.content
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    if (!name && !description && !image) return
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    const element = api.message.html.layout(msg, extend({
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      content: renderContent(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 renderContent (msg) {
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    const { author, content } = msg.value
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    var { about, link, name, description, image } = content
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    if (!about) return
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    // TODO : build better normalizers
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    if (image && ref.isBlob(image.link)) image = image.link
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    about = about || link
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    const metaData = [
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      when(name, h('div', [ h('strong', 'Name: '), name ])),
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      when(description, h('div', [ h('strong', 'Description: '), description ])),
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      when(image, h('img', { src: api.blob.sync.url(image), style: { 'margin-top': '.5rem' } }))
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    ]
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    if (!ref.isFeed(about)) {
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      return [
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        h('p', [
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          'Describes ',
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          h('a', { href: about }, [about.slice(0, 7), '...']),
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          ' as: '
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        ]),
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        ...metaData
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      ]
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    }
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    const target = author === about
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      ? 'themself '
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      : api.about.html.link(about)
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    return [
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      h('p', [
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        'Declares the following about ',
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        target
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      ]),
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      ...metaData
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    ]
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  }
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}
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