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export function getDecoratedComponent(instanceRef) {
var currentRef = instanceRef.current;
if (currentRef == null) {
return null;
} else if (currentRef.decoratedRef) {
// go through the private field in decorateHandler to avoid the invariant hit
return currentRef.decoratedRef.current;
} else {
return currentRef;
}
}
export function isClassComponent(Component) {
return Component && Component.prototype && typeof Component.prototype.render === 'function';
}
export function isRefForwardingComponent(C) {
var _item$$$typeof;
var item = C;
return (item === null || item === void 0 ? void 0 : (_item$$$typeof = item.$$typeof) === null || _item$$$typeof === void 0 ? void 0 : _item$$$typeof.toString()) === 'Symbol(react.forward_ref)';
}
export function isRefable(C) {
return isClassComponent(C) || isRefForwardingComponent(C);
}
export function checkDecoratorArguments(functionName, signature) {
if (process.env.NODE_ENV !== 'production') {
for (var i = 0; i < (arguments.length <= 2 ? 0 : arguments.length - 2); i++) {
var arg = i + 2 < 2 || arguments.length <= i + 2 ? undefined : arguments[i + 2];
if (arg && arg.prototype && arg.prototype.render) {
// eslint-disable-next-line no-console
console.error('You seem to be applying the arguments in the wrong order. ' + "It should be ".concat(functionName, "(").concat(signature, ")(Component), not the other way around. ") + 'Read more: http://react-dnd.github.io/react-dnd/docs/troubleshooting#you-seem-to-be-applying-the-arguments-in-the-wrong-order');
return;
}
}
}
}