gadzhimari/treeWalker.js

## treeWalker.js
/* Replace all text nodes which has parent div element to wrapped by p tag.
 Example
  Before
  <body>
   <p>Boom</p>
   text
   <div>Bam</div>
  </body>

  After
  <body>
   <p>Boom</p>
   text
   <div><p>Bam</p></div>
  </body>
*/

export default (document) => {
  const filter = node =>
    node.parentElement.tagName === 'DIV' ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP;
  const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT, filter);

  while (walker.nextNode()) {
    const node = walker.currentNode();
    const pEl = document.createElement('p');
    node.replaceWith(pEl);
    pEl.append(node);
  }
}
	/* Replace all text nodes which has parent div element to wrapped by p tag.
	Example
	Before
	<body>
	<p>Boom</p>
	text
	<div>Bam</div>
	</body>

	After
	<body>
	<p>Boom</p>
	text
	<div><p>Bam</p></div>
	</body>
	*/

	export default (document) => {
	const filter = node =>
	node.parentElement.tagName === 'DIV' ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP;
	const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT, filter);

	while (walker.nextNode()) {
	const node = walker.currentNode();
	const pEl = document.createElement('p');
	node.replaceWith(pEl);
	pEl.append(node);
	}
	}