Function diffProperties

docs/external/js/react-dom.development.js:6184–6362

(domElement, tag, lastRawProps, nextRawProps, rootContainerElement)

  } // Calculate the diff between the two objects.

  function diffProperties(domElement, tag, lastRawProps, nextRawProps, rootContainerElement) {
    {
      validatePropertiesInDevelopment(tag, nextRawProps);
    }

    var updatePayload = null;
    var lastProps;
    var nextProps;

    switch (tag) {
      case 'input':
        lastProps = getHostProps(domElement, lastRawProps);
        nextProps = getHostProps(domElement, nextRawProps);
        updatePayload = [];
        break;

      case 'option':
        lastProps = getHostProps$1(domElement, lastRawProps);
        nextProps = getHostProps$1(domElement, nextRawProps);
        updatePayload = [];
        break;

      case 'select':
        lastProps = getHostProps$2(domElement, lastRawProps);
        nextProps = getHostProps$2(domElement, nextRawProps);
        updatePayload = [];
        break;

      case 'textarea':
        lastProps = getHostProps$3(domElement, lastRawProps);
        nextProps = getHostProps$3(domElement, nextRawProps);
        updatePayload = [];
        break;

      default:
        lastProps = lastRawProps;
        nextProps = nextRawProps;

        if (typeof lastProps.onClick !== 'function' && typeof nextProps.onClick === 'function') {
          // TODO: This cast may not be sound for SVG, MathML or custom elements.
          trapClickOnNonInteractiveElement(domElement);
        }

        break;
    }

    assertValidProps(tag, nextProps);
    var propKey;
    var styleName;
    var styleUpdates = null;

    for (propKey in lastProps) {
      if (nextProps.hasOwnProperty(propKey) || !lastProps.hasOwnProperty(propKey) || lastProps[propKey] == null) {
        continue;
      }

      if (propKey === STYLE) {
        var lastStyle = lastProps[propKey];