Function createPropsPrototype

docs/tests/v2/es6/js/sanddance.js:42961–42979

(props, parentProps, propTypes, componentClass)

function createPropsPrototype(props, parentProps, propTypes, componentClass) {
  var defaultProps = Object.create(null);
  Object.assign(defaultProps, parentProps, props); // Avoid freezing `id` prop

  var id = getComponentName(componentClass);
  delete props.id; // Add getters/setters for async prop properties

  Object.defineProperties(defaultProps, {
    // `id` is treated specially because layer might need to override it
    id: {
      configurable: false,
      writable: true,
      value: id
    }
  }); // Add getters/setters for async prop properties

  addAsyncPropsToPropPrototype(defaultProps, propTypes);
  return defaultProps;
} // Create descriptors for overridable props


function addAsyncPropsToPropPrototype(defaultProps, propTypes) {