Function getTextContent

packages/dev/s2-docs/src/CodePlatter.tsx:301–323

(element: Element)

}

function getTextContent(element: Element) {
  // Manually walk over text nodes inside the element and concatenate them.
  // This is like element.textContent except we skip anything inside an element with data-no-copy.
  let result = '';
  let walker = document.createTreeWalker(
    element,
    NodeFilter.SHOW_TEXT | NodeFilter.SHOW_ELEMENT,
    node => {
      if (node.nodeType === Node.ELEMENT_NODE && (node as Element).hasAttribute('data-no-copy')) {
        result += '\n';
        return NodeFilter.FILTER_REJECT;
      }
      return node.nodeType === Node.TEXT_NODE ? NodeFilter.FILTER_ACCEPT : NodeFilter.FILTER_SKIP;
    }
  );

  let node = walker.nextNode();
  while (node) {
    result += node.nodeValue || '';
    node = walker.nextNode();
  }
  return result;
}

function getExampleCode(codeRef: RefObject<HTMLDivElement | null>, urls: {[name: string]: string}) {
  let code = getTextContent(codeRef.current!.querySelector('pre')!);