Add flag to skip circular dependency detection

Differential Revision: D44563103

Pull Request resolved: #2214

Author: RyanHoldren

packages/recoil/core/Recoil_RecoilRoot.js

@@ -65,6 +65,7 @@ type InternalProps = {
   initializeState?: MutableSnapshot => void,
   store_INTERNAL?: Store,
   children: React.Node,
+  skipCircularDependencyDetection_DANGEROUS?: boolean,
 };
 
 function notInAContext() {
@@ -365,6 +366,7 @@ function RecoilRoot_INTERNAL({
   initializeState,
   store_INTERNAL: storeProp, // For use with React "context bridging"
   children,
+  skipCircularDependencyDetection_DANGEROUS,
 }: InternalProps): React.Node {
   // prettier-ignore
   // @fb-only: useEffect(() => {
@@ -486,6 +488,7 @@ function RecoilRoot_INTERNAL({
         getGraph,
         subscribeToTransactions,
         addTransactionMetadata,
+        skipCircularDependencyDetection_DANGEROUS,
       },
   );
   if (storeProp != null) {
@@ -550,6 +553,7 @@ type Props =
       store_INTERNAL?: Store,
       override?: true,
       children: React.Node,
+      skipCircularDependencyDetection_DANGEROUS?: boolean,
     }
   | {
       store_INTERNAL?: Store,
@@ -562,6 +566,7 @@ type Props =
        */
       override: false,
       children: React.Node,
+      skipCircularDependencyDetection_DANGEROUS?: boolean,
     };
 
 function RecoilRoot(props: Props): React.Node {

packages/recoil/core/Recoil_State.js

@@ -132,6 +132,7 @@ export type Store = $ReadOnly<{
   getGraph: StateID => Graph,
   subscribeToTransactions: ((Store) => void, ?NodeKey) => {release: () => void},
   addTransactionMetadata: ({...}) => void,
+  skipCircularDependencyDetection_DANGEROUS?: boolean,
 }>;
 
 export type StoreRef = {

packages/recoil/recoil_values/Recoil_selector.js

@@ -1102,6 +1102,9 @@ function selector<T>(
   }
 
   function selectorGet(store: Store, state: TreeState): Loadable<T> {
+    if (store.skipCircularDependencyDetection_DANGEROUS === true) {
+      return getSelectorLoadableAndUpdateDeps(store, state);
+    }
     return detectCircularDependencies(() =>
       getSelectorLoadableAndUpdateDeps(store, state),
     );