Function diffProperties$1

code/composition/public/app.js:16507–16669

(domElement, tag, lastRawProps, nextRawProps, rootContainerElement)

// Calculate the diff between the two objects.
function diffProperties$1(domElement, tag, lastRawProps, nextRawProps, rootContainerElement) {
  {
    validatePropertiesInDevelopment(tag, nextRawProps);
  }

  var updatePayload = null;

  var lastProps = void 0;
  var nextProps = void 0;
  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, getStack);

  var propKey = void 0;
  var styleName = void 0;
  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];
      for (styleName in lastStyle) {
        if (lastStyle.hasOwnProperty(styleName)) {
          if (!styleUpdates) {
            styleUpdates = {};
          }
          styleUpdates[styleName] = '';
        }