Function removeNonInteractiveElements

lib/html.js:83–187

(html, opts = {})

}

function removeNonInteractiveElements(html, opts = {}) {
  opts = { ...defaultHtmlOpts, ...opts }
  const { interactiveElements, textElements, allowedAttrs, allowedRoles } = opts

  // Parse the HTML into a document tree
  const document = parse(html)

  // Array to store interactive elements
  const removeElements = ['path', 'script']

  function isFilteredOut(node) {
    if (removeElements.includes(node.nodeName)) return true
    if (node.attrs) {
      if (node.attrs.find(attr => attr.name === 'role' && attr.value === 'tooltip')) return true
    }
    return false
  }

  // Function to check if an element is interactive
  function isInteractive(element) {
    if (element.nodeName === 'input' && element.attrs.find(attr => attr.name === 'type' && attr.value === 'hidden')) return false
    if (interactiveElements.includes(element.nodeName)) return true
    if (element.attrs) {
      if (element.attrs.find(attr => attr.name === 'contenteditable')) return true
      if (element.attrs.find(attr => attr.name === 'tabindex')) return true
      const role = element.attrs.find(attr => attr.name === 'role')
      if (role && allowedRoles.includes(role.value)) return true
    }
    return false
  }

  function hasMeaningfulText(node) {
    if (textElements.includes(node.nodeName)) return true
    return false
  }

  function hasInteractiveDescendant(node) {
    if (!node.childNodes) return false
    let result = false

    for (const childNode of node.childNodes) {
      if (isInteractive(childNode) || hasMeaningfulText(childNode)) return true
      result = result || hasInteractiveDescendant(childNode)
    }

    return result
  }

  // Function to remove non-interactive elements recursively
  function removeNonInteractive(node) {
    if (node.nodeName !== '#document') {
      const parent = node.parentNode
      const index = parent.childNodes.indexOf(node)

      if (isFilteredOut(node)) {
        parent.childNodes.splice(index, 1)
        return true
      }