feat: add support for deprecated input fields (#7767)

* feat: add support for deprecated input fields

* chore: add issue number

* Create fresh-elephants-provide.md

* Update fresh-elephants-provide.md

* Apply suggestions from code review

Co-authored-by: Saihajpreet Singh <saihajpreet.singh@gmail.com>

Author: samchungy

.changeset/fresh-elephants-provide.md

@@ -0,0 +1,6 @@
+---
+"@graphql-codegen/typescript": minor
+"@graphql-codegen/visitor-plugin-common": minor
+---
+
+Add @Deprecated support for input

packages/plugins/other/visitor-plugin-common/src/base-types-visitor.ts

@@ -834,7 +834,7 @@ export class BaseTypesVisitor<
     return null;
   }
 
-  getNodeComment(node: FieldDefinitionNode | EnumValueDefinitionNode): string {
+  getNodeComment(node: FieldDefinitionNode | EnumValueDefinitionNode | InputValueDefinitionNode): string {
     let commentText: string = node.description as any;
     const deprecationDirective = node.directives.find((v: any) => v.name === 'deprecated');
     if (deprecationDirective) {

packages/plugins/typescript/typescript/src/visitor.ts

@@ -295,7 +295,7 @@ export class TsVisitor<
       !this.config.avoidOptionals.inputValue &&
       (originalFieldNode.type.kind !== Kind.NON_NULL_TYPE ||
         (!this.config.avoidOptionals.defaultValue && node.defaultValue !== undefined));
-    const comment = transformComment(node.description as any as string, 1);
+    const comment = this.getNodeComment(node);
     const declarationKind = this.config.declarationKind.type;
 
     let type: string = node.type as any as string;

packages/plugins/typescript/typescript/tests/typescript.spec.ts

@@ -954,6 +954,23 @@ describe('TypeScript', () => {
       validateTs(result);
     });
 
+    it('#7766 - input value @deprecated directive support', async () => {
+      const schema = buildSchema(`
+      input MyInput {
+        A: Int
+        B: Int @deprecated(reason: "input value \`B\` has been deprecated.")
+      }`);
+
+      const result = await plugin(schema, [], {}, { outputFile: '' });
+      expect(result.content).toBeSimilarStringTo(`
+      export type MyInput = {
+        A?: InputMaybe<Scalars['Int']>;
+        /** @deprecated input value \`B\` has been deprecated. */
+        B?: InputMaybe<Scalars['Int']>;
+      };`);
+      validateTs(result);
+    });
+
     it('#1462 - Union of scalars and argument of directive', async () => {
       const schema = buildSchema(`
       union Any = String | Int | Float | ID