nielse63/launch-checklist

import { getElement } from '../utils'

export default function ($) {
  const $head = $('head')
  const elements = {
    title: $head.find('title'),
    description: $head.find('meta[name="description"]'),
    canonical: $head.find('link[rel="canonical"]'),
    'open-graph': $head.find('meta[property^="og:"]'),
    twitter: $head.find('meta[name^="twitter"]'),
  }

  const output = {
    passed: true,
    info: [],
  }

  const tests = [
    getElement(elements.title, 'document title'),
    getElement(elements.description, 'meta description'),
    getElement(elements.canonical, 'canonical link'),
    getElement(elements['open-graph'], 'open graph tags (used for Facebook sharing)'),
    getElement(elements.twitter, 'Twitter card data'),
  ]

  tests.forEach(results => {
    if (results.passed) {
      return
    }
    output.passed = false
    output.info.push(results.reason)
  })

  output.reason = `${output.info.length} SEO ${output.info.length > 1 ? 'issues' : 'issue'} found`
  return output
}