Function createPropsPrototypeAndTypes

docs/tests/v2/es6/js/sanddance.js:42928–42958

(componentClass)

function createPropsPrototypeAndTypes(componentClass) {
  var parent = componentClass.prototype;

  if (!parent) {
    return {
      defaultProps: {}
    };
  }

  var parentClass = Object.getPrototypeOf(componentClass);
  var parentPropDefs = parent && getPropsPrototypeAndTypes(parentClass) || null; // Parse propTypes from Component.defaultProps

  var componentDefaultProps = getOwnProperty(componentClass, 'defaultProps') || {};
  var componentPropDefs = (0, _propTypes.parsePropTypes)(componentDefaultProps); // Create a merged type object

  var propTypes = Object.assign({}, parentPropDefs && parentPropDefs.propTypes, componentPropDefs.propTypes); // Create any necessary property descriptors and create the default prop object
  // Assign merged default props

  var defaultProps = createPropsPrototype(componentPropDefs.defaultProps, parentPropDefs && parentPropDefs.defaultProps, propTypes, componentClass); // Create a map for prop whose default value is a callback

  var deprecatedProps = Object.assign({}, parentPropDefs && parentPropDefs.deprecatedProps, componentPropDefs.deprecatedProps); // Store the precalculated props

  componentClass._mergedDefaultProps = defaultProps;
  componentClass._propTypes = propTypes;
  componentClass._deprecatedProps = deprecatedProps;
  return {
    propTypes: propTypes,
    defaultProps: defaultProps,
    deprecatedProps: deprecatedProps
  };
} // Builds a pre-merged default props object that component props can inherit from


function createPropsPrototype(props, parentProps, propTypes, componentClass) {