From 061959db448b5e81b018bdfd44d58f73f1e8cff8 Mon Sep 17 00:00:00 2001
From: Laurin Quast <laurinquast@googlemail.com>
Date: Fri, 3 Feb 2023 13:40:12 +0100
Subject: [PATCH 1/2] feat: allow embedding the operation result type

---
 packages/core/src/index.ts | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 7a0c1b5..2a2b928 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -1,15 +1,18 @@
 import type { DocumentNode } from "graphql";
 
+export type OperationResultType = "stream" | "single";
+
 export interface TypedDocumentNode<
   Result = { [key: string]: any },
-  Variables = { [key: string]: any }
+  Variables = { [key: string]: any },
+  ResultType extends OperationResultType = any
 > extends DocumentNode {
   /**
    * This type is used to ensure that the variables you pass in to the query are assignable to Variables
    * and that the Result is assignable to whatever you pass your result to. The method is never actually
    * implemented, but the type is valid because we list it as optional
    */
-  __apiType?: (variables: Variables) => Result;
+  __apiType?: (variables: Variables, resultType: ResultType) => Result;
 }
 
 /**
@@ -18,10 +21,7 @@ export interface TypedDocumentNode<
  * const myQuery = { ... }; // TypedDocumentNode<R, V>
  * type ResultType = ResultOf<typeof myQuery>; // Now it's R
  */
-export type ResultOf<T> = T extends TypedDocumentNode<
-  infer ResultType,
-  infer VariablesType
->
+export type ResultOf<T> = T extends TypedDocumentNode<infer ResultType, any>
   ? ResultType
   : never;
 
@@ -32,8 +32,22 @@ export type ResultOf<T> = T extends TypedDocumentNode<
  * type VariablesType = VariablesOf<typeof myQuery>; // Now it's V
  */
 export type VariablesOf<T> = T extends TypedDocumentNode<
-  infer ResultType,
+  any,
   infer VariablesType
 >
   ? VariablesType
   : never;
+
+/**
+ * Helper for extracting a TypeScript type for operation type from a TypedDocumentNode.
+ * @example
+ * const myQuery = { ... }; // TypedDocumentNode<R, V, O>
+ * type OperationType = VariablesOf<typeof myQuery>; // Now it's O
+ */
+export type OperationTypeOf<T> = T extends TypedDocumentNode<
+  any,
+  any,
+  infer OperationType
+>
+  ? OperationType
+  : never;

From b6624c58eaa4ccae76af0a18ff0383b0e18d1079 Mon Sep 17 00:00:00 2001
From: Dotan Simha <dotansimha@gmail.com>
Date: Sun, 5 Feb 2023 11:32:57 +0900
Subject: [PATCH 2/2] added changeset

---
 .changeset/empty-lions-behave.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/empty-lions-behave.md

diff --git a/.changeset/empty-lions-behave.md b/.changeset/empty-lions-behave.md
new file mode 100644
index 0000000..fc4ccef
--- /dev/null
+++ b/.changeset/empty-lions-behave.md
@@ -0,0 +1,5 @@
+---
+"@graphql-typed-document-node/core": minor
+---
+
+allow embedding the operation result type