feat: expose devalue transformers

Author: posva

src/firestore/utils.ts

@@ -134,3 +134,24 @@ export function extractRefs(
 
   return dataAndRefs
 }
+
+/**
+ * Custom stringifier for [devalue](https://github.com/Rich-Harris/devalue) to support Firestore Timestamp and GeoPoint
+ * on SSR.
+ */
+export const devalueCustomStringifiers = {
+  TimeStamp: (data: unknown) => data instanceof Timestamp && data.toJSON(),
+  GeoPoint: (data: unknown) => data instanceof GeoPoint && data.toJSON(),
+}
+
+/**
+ * Custom parsers for [devalue](https://github.com/Rich-Harris/devalue) to support Firestore Timestamp and GeoPoint on
+ * SSR.
+ */
+export const devalueCustomParsers = {
+  TimeStamp: (data: ReturnType<Timestamp['toJSON']>) =>
+    new Timestamp(data.seconds, data.nanoseconds),
+
+  GeoPoint: (data: ReturnType<GeoPoint['toJSON']>) =>
+    new GeoPoint(data.latitude, data.longitude),
+}

src/index.ts

@@ -31,7 +31,11 @@ export type {
  */
 export { useCollection, useDocument, useFirestore } from './firestore'
 export { firestoreOptionsDefaults as globalFirestoreOptions } from './firestore/bind'
-export { firestoreDefaultConverter } from './firestore/utils'
+export {
+  firestoreDefaultConverter,
+  devalueCustomParsers,
+  devalueCustomStringifiers,
+} from './firestore/utils'
 export type {
   UseCollectionOptions,
   UseDocumentOptions,