Function uneditable

src/utils/codejar.ts:289–299

(node: Node)

  }

  function uneditable(node: Node): Element | undefined {
    while (node && node !== editor) {
      if (node.nodeType === Node.ELEMENT_NODE) {
        const el = node as Element
        if (el.getAttribute('contenteditable') == 'false') {
          return el
        }
      }
      node = node.parentNode!
    }
  }

  function beforeCursor() {
    const s = getSelection()