opnform/client/public/widgets/embed.js

/**
 * OpenForms Embed, allowing you to add a popup form to your website.
 * All changes to this file should be followed by an update of the minified version (embed-min.js)
 */
!(function () {
  !(function (e, t) {
    if (e && typeof document !== 'undefined') {
      const head = document.head || document.getElementsByTagName('head')[0]
      const styleEl = document.createElement('style')
      styleEl.type = 'text/css', head.appendChild(styleEl), styleEl.styleSheet ? styleEl.styleSheet.cssText = e : styleEl.appendChild(document.createTextNode(e))
    }
  }
  (`.nf-main {
      position: fixed;
      width: 100%;
      height: 100vh;
      top: 0px;
      bottom: 0px;
      left: 0px;
      right: 0px;
      z-index: 500;
      pointer-events: none;
    }
    .nf-main .nf-emoji {
       pointer-events: auto;
       width:60px;
       height: 60px;
       display: flex;
       align-items:center;
       justify-content:center;
       text-align: center;
       background-color: #3B82F6;
       padding: 8px 10px;
       border: none;
       cursor: pointer;
       position: fixed;
       bottom: 23px;
       right: 28px;
       border-radius: 100%;
       z-index: 999
     }
     .nf-main.nf-left .nf-emoji{
        left: 28px !important;
        right: inherit !important
     }
     .nf-main .nf-emoji .nf-emoji-icon, .nf-main .nf-emoji .nf-emoji-icon-close{
        font-size: 30px;
        color:white;
      }
    .nf-main .nf-emoji .nf-emoji-icon-close {
       display: none;
     }
    .nf-main.open .nf-emoji .nf-emoji-icon{
       display: none !important
    }
    .nf-main.open .nf-emoji .nf-emoji-icon-close{
       display: block !important
    }
    .nf-main .nf-popup {

       display: flex;
       align-items: end;
       flex-direction: column-reverse;
       align-content: flex-end;
       padding: 20px;
       padding-bottom: 100px;
       width: 100%;
       height: 100vh;
       visibility: hidden;
       opacity:0; transition:
       opacity 0.2s, 0.2s ease-in-out;
       transform: translateY(30px);
    }
    .nf-main.open .nf-popup {
      visibility: visible !important;
      opacity: 1;
      transform: translateY(0px);
    }
    .nf-main .nf-popup iframe {
      width: 100%;
      pointer-events: auto;
      z-index: 999!important;
      bottom: 100px;
      right: 20px;
      height: 450px;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 6px 6px 0 rgba(0,0,0,.02),0 8px 24px 0 rgba(0,0,0,.12)!important
    }
    .nf-main.nf-left .nf-popup {
      align-items: start !important;
    }`))
}());

(function () {
  const nfData = JSON.parse(document.currentScript.getAttribute('data-nf'))
  let formUrl = nfData?.formurl || null
  if (window.location !== window.parent.location || window.frameElement || !formUrl) {
    // Do nothing
    return false
  }

  // Add popup param to formUrl
  formUrl = formUrl + (formUrl.indexOf('?') === -1 ? '?' : '&') + 'popup=true'

  // Settings
  const emoji = nfData?.emoji || '💬'
  const position = (nfData?.position === 'left') ? 'nf-left' : ''
  const emojiBgColor = nfData?.bgcolor || '#3B82F6'
  const width = nfData?.width || 500

  // Remove old popup, if there
  const oldEl = document.body.querySelector('.nf-main')
  if (oldEl) {
    oldEl.remove()
  }

  // Iframe popup
  const mainDiv = document.createElement('div')
  mainDiv.className = `nf-main ${position}`
  mainDiv.innerHTML = `<div class='nf-popup'><iframe src='${formUrl}' frameborder='0' marginheight='0' marginwidth='0' title='OpnForm'></iframe></div>`
  const iframe = mainDiv.querySelector('iframe')
  iframe.style.maxWidth = `${width}px`

  // Emoji button
  const emojiButton = document.createElement('div')
  emojiButton.className = 'nf-emoji'
  emojiButton.role = 'button'
  emojiButton.style.backgroundColor = `${emojiBgColor}`
  emojiButton.innerHTML = `<span class='nf-emoji-icon'>${emoji}</span><span class='nf-emoji-icon-close'><svg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke-width='1.5' stroke='currentColor' class='w-8 h-8'>
  <path stroke-linecap='round' stroke-linejoin='round' d='M6 18L18 6M6 6l12 12' />
</svg>
</span>`
  emojiButton.onclick = () => { mainDiv.classList.toggle('open') }
  mainDiv.appendChild(emojiButton)

  // Append to the body
  document.body.appendChild(mainDiv)
})()