fix types

Author: MichaelVerdon

packages/functions/lib/types/functions.ts

@@ -21,10 +21,20 @@ export interface HttpsCallableOptions {
   timeout?: number;
 }
 
+export interface StreamEvent<ResponseData = unknown> {
+  data?: ResponseData;
+  error?: string;
+  done?: boolean;
+}
+
 export interface HttpsCallable<RequestData = unknown, ResponseData = unknown> {
   (data?: RequestData | null): Promise<{ data: ResponseData }>;
 }
 
+export interface HttpsCallableStream<RequestData = unknown, ResponseData = unknown> {
+  (data?: RequestData | null): Promise<StreamEvent<ResponseData>>;
+}
+
 export interface FunctionsModule {
   httpsCallable<RequestData = unknown, ResponseData = unknown>(
     name: string,
@@ -34,6 +44,14 @@ export interface FunctionsModule {
     url: string,
     options?: HttpsCallableOptions,
   ): HttpsCallable<RequestData, ResponseData>;
+  httpsCallableStream<RequestData = unknown, ResponseData = unknown>(
+    name: string,
+    options?: HttpsCallableOptions,
+  ): HttpsCallableStream<RequestData, ResponseData>;
+  httpsCallableStreamFromUrl<RequestData = unknown, ResponseData = unknown>(
+    url: string,
+    options?: HttpsCallableOptions,
+  ): HttpsCallableStream<RequestData, ResponseData>;
   useFunctionsEmulator(origin: string): void;
   useEmulator(host: string, port: number): void;
 }