react-behave/build/es/setRefs/setRefs.js

A library of behaviors for React applications.

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

export function setRefs(element, handlers) {
  handlers.forEach(function (handler) {
    // Ingore falsy handlers to allow syntaxes like:
    //
    // ```js
    // const child = React.Children.only(this.props.children)
    // return React.cloneElement(child, {
    //   ref: ref => setRefs(ref, [this.myRef, child.ref])
    // })
    // ```
    if (handler) {
      var type = _typeof(handler);

      switch (type) {
        case 'function':
          {
            handler(element);
            break;
          }

        case 'object':
          {
            handler.current = element;
            break;
          }

        default:
          throw new Error("Only refs of type function and React.createRef() are supported. Got ".concat(type, "."));
      }
    }
  });
}