git ssb

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var h = require('hyperscript')
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exports.gives = 'message_meta'
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exports.create = function (api) {
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  return function (msg) {
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    var tmp = h('div')
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    var el
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    var pre
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    const symbol = '\u2699'
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    var clicked = false
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    return h('a', {
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      title: 'View raw data',
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      style: {
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        order: 99,
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        color: 'gray',
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        'font-size': '1rem',
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        cursor: 'pointer',
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      },
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      onclick: function () {
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        clicked = !clicked
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        // HACK (mw) yo we need a better way to replace the content
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        var msgEl = this.parentNode.parentNode
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        var msgContentEl = msgEl.querySelector('.\\.raw-content')
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        if (clicked) {
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          // move away the content
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          while (el = msgContentEl.firstChild)
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            tmp.appendChild(el)
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          // show the raw stuff
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          if (!pre) pre = h('pre', buildRawMsg(msg) )
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          msgContentEl.appendChild(pre)
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        } else {
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          // hide the raw stuff
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          msgContentEl.removeChild(pre)
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          // put back the content
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          while (el = tmp.firstChild)
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            msgContentEl.appendChild(el)
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        }
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      }
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    }, symbol)
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  }
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}
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function buildRawMsg (msg) {
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  return colorKeys(linkify(
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    JSON.stringify({
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      key: msg.key,
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      value: msg.value
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    }, 0, 2)
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  ))
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}
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function colorKeys (chunks) {
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  var newArray = []
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  chunks.forEach(chunk => {
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    if (typeof chunk !== 'string') return newArray.push(chunk)
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    var arr = chunk.split(/("[^"]+":)/)
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    for (var i = 1; i < arr.length; i += 2) {
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      arr[i] = h('span', arr[i])
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    }
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    newArray = [...newArray, ...arr]
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  })
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  return newArray
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}
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function linkify (text) {
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  // from ssb-ref
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  var refRegex = /((?:@|%|&)[A-Za-z0-9\/+]{43}=\.[\w\d]+)/g
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  var arr = text.split(refRegex)
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  for (var i = 1; i < arr.length; i += 2) {
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    arr[i] = h('a', {href: '#' + arr[i]}, arr[i])
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  }
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  return arr
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}
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