Function DragDropContext

packages/react-dnd/src/DragDropContext.js:30–78

(backendOrModule)

};

export default function DragDropContext(backendOrModule) {
  checkDecoratorArguments('DragDropContext', 'backend', ...arguments); // eslint-disable-line prefer-rest-params

  const backend = unpackBackendForEs5Users(backendOrModule);
  const childContext = createChildContext(backend);

  return function decorateContext(DecoratedComponent) {
    const displayName =
      DecoratedComponent.displayName ||
      DecoratedComponent.name ||
      'Component';

    class DragDropContextContainer extends Component {
      static DecoratedComponent = DecoratedComponent;

      static displayName = `DragDropContext(${displayName})`;

      static childContextTypes = CHILD_CONTEXT_TYPES;

      getDecoratedComponentInstance() {
        invariant(
          this.child,
          'In order to access an instance of the decorated component it can ' +
          'not be a stateless component.',
        );
        return this.child;
      }

      getManager() {
        return childContext.dragDropManager;
      }

      getChildContext() {
        return childContext;
      }

      render() {
        return (
          <DecoratedComponent
            {...this.props}
            ref={child => (this.child = child)}
          />
        );
      }
    }

    return hoistStatics(DragDropContextContainer, DecoratedComponent);
  };
}