fix: noImplicitOverride error in generated code when using documentMode: "string" (#10362)

* fix: noImplictOverride error 

Fixes the noImplicitOverride error

* Update tests

* Add changeset

* Update examples test

---------

Co-authored-by: Eddy Nguyen <[email protected]>

Author: Brooke Hatton

.changeset/green-trainers-perform.md

@@ -0,0 +1,6 @@
+---
+'@graphql-codegen/typed-document-node': patch
+'@graphql-codegen/client-preset': patch
+---
+
+Make generated type compatible with noImplicitOverride=true

examples/persisted-documents-string-mode/src/gql/graphql.ts

@@ -48,7 +48,7 @@ export class TypedDocumentString<TResult, TVariables>
     this.__meta__ = __meta__;
   }
 
-  toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+  override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
     return this.value;
   }
 }

examples/react/tanstack-react-query/src/gql/graphql.ts

@@ -1312,7 +1312,7 @@ export class TypedDocumentString<TResult, TVariables>
     this.__meta__ = __meta__;
   }
 
-  toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+  override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
     return this.value;
   }
 }

examples/react/urql/src/gql/graphql.ts

@@ -1312,7 +1312,7 @@ export class TypedDocumentString<TResult, TVariables>
     this.__meta__ = __meta__;
   }
 
-  toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+  override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
     return this.value;
   }
 }

examples/typescript-graphql-request/src/gql/graphql.ts

@@ -1325,7 +1325,7 @@ export class TypedDocumentString<TResult, TVariables>
     this.__meta__ = __meta__;
   }
 
-  toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+  override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
     return this.value;
   }
 }

packages/plugins/typescript/typed-document-node/src/index.ts

@@ -51,7 +51,7 @@ export class TypedDocumentString<TResult, TVariables>
     this.__meta__ = __meta__;
   }
 
-  toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+  override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
     return this.value;
   }
 }`,

packages/presets/client/tests/client-preset.spec.ts

@@ -2473,7 +2473,7 @@ export * from "./gql.js";`);
             this.__meta__ = __meta__;
           }
 
-          toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+          override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
             return this.value;
           }
         }
@@ -2618,7 +2618,7 @@ export * from "./gql.js";`);
             this.__meta__ = __meta__;
           }
 
-          toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+          override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
             return this.value;
           }
         }
@@ -2758,7 +2758,7 @@ export * from "./gql.js";`);
             this.__meta__ = __meta__;
           }
 
-          toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+          override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
             return this.value;
           }
         }
@@ -3057,7 +3057,7 @@ export * from "./gql.js";`);
             this.__meta__ = __meta__;
           }
 
-          toString(): string & DocumentTypeDecoration<TResult, TVariables> {
+          override toString(): string & DocumentTypeDecoration<TResult, TVariables> {
             return this.value;
           }
         }