Generator for emoji.json

emoji-json.userscript.js

// Generate emoji.json from
// http://unicode.org/emoji/charts/full-emoji-list.html

{
  const ids = $$('td.rchars')
  const trs = ids.map(e => e.parentElement)
  const db = trs.map(tr => {
    const tds = tr.getElementsByTagName('td')
    return {
      no: tds[0].innerText,
      code: tds[1].innerText.replace(/U\+/g, ''),
      char: tds[2].innerText,
      name: tds[15].innerText,
      date: tds[16].innerText,
      default: tds[17].innerText,
      keywords: tds[18].innerText
    }
  })
  copy(JSON.stringify(db, null, 2))
};