Function reconcileSingleTextNode

dash/deps/react-dom@18.3.1.js:13915–13933

(returnFiber, currentFirstChild, textContent, lanes)

    }

    function reconcileSingleTextNode(returnFiber, currentFirstChild, textContent, lanes) {
      // There's no need to check for keys on text nodes since we don't have a
      // way to define them.
      if (currentFirstChild !== null && currentFirstChild.tag === HostText) {
        // We already have an existing node so let's just update it and delete
        // the rest.
        deleteRemainingChildren(returnFiber, currentFirstChild.sibling);
        var existing = useFiber(currentFirstChild, textContent);
        existing.return = returnFiber;
        return existing;
      } // The existing first child is not a text node so we need to create one
      // and delete the existing ones.


      deleteRemainingChildren(returnFiber, currentFirstChild);
      var created = createFiberFromText(textContent, returnFiber.mode, lanes);
      created.return = returnFiber;
      return created;
    }

    function reconcileSingleElement(returnFiber, currentFirstChild, element, lanes) {
      var key = element.key;