From a32fc158c28497b0e12d864bcf01aa54992c4ebb Mon Sep 17 00:00:00 2001
From: Eddy Nguyen <github@eddeee888.me>
Date: Sat, 29 Jun 2024 14:37:30 +1000
Subject: [PATCH] Allow .graphqls as extension for schema-ast

---
 .changeset/forty-ears-rule.md                   |  5 +++++
 packages/plugins/other/schema-ast/src/index.ts  |  2 +-
 .../other/schema-ast/tests/schema-ast.spec.ts   | 17 ++++++++++++++++-
 3 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/forty-ears-rule.md

diff --git a/.changeset/forty-ears-rule.md b/.changeset/forty-ears-rule.md
new file mode 100644
index 00000000000..97fdfe3c9cb
--- /dev/null
+++ b/.changeset/forty-ears-rule.md
@@ -0,0 +1,5 @@
+---
+'@graphql-codegen/schema-ast': minor
+---
+
+Allow .graphqls as schema extension
diff --git a/packages/plugins/other/schema-ast/src/index.ts b/packages/plugins/other/schema-ast/src/index.ts
index c696f954f2d..2f593ce06e5 100644
--- a/packages/plugins/other/schema-ast/src/index.ts
+++ b/packages/plugins/other/schema-ast/src/index.ts
@@ -130,7 +130,7 @@ export const validate: PluginValidateFn<any> = async (
 ) => {
   const singlePlugin = allPlugins.length === 1;
 
-  const allowedExtensions = ['.graphql', '.gql'];
+  const allowedExtensions = ['.graphql', '.gql', '.graphqls'];
   const isAllowedExtension = allowedExtensions.includes(extname(outputFile));
 
   if (singlePlugin && !isAllowedExtension) {
diff --git a/packages/plugins/other/schema-ast/tests/schema-ast.spec.ts b/packages/plugins/other/schema-ast/tests/schema-ast.spec.ts
index 51637da84bc..36e8e97631d 100644
--- a/packages/plugins/other/schema-ast/tests/schema-ast.spec.ts
+++ b/packages/plugins/other/schema-ast/tests/schema-ast.spec.ts
@@ -22,7 +22,7 @@ describe('Schema AST', () => {
         throw new Error(SHOULD_THROW_ERROR);
       } catch (e) {
         expect(e.message).not.toBe(SHOULD_THROW_ERROR);
-        expect(e.message).toBe('Plugin "schema-ast" requires extension to be ".graphql" or ".gql"!');
+        expect(e.message).toBe('Plugin "schema-ast" requires extension to be ".graphql" or ".gql" or ".graphqls"!');
       }
     });
 
@@ -73,6 +73,21 @@ describe('Schema AST', () => {
         expect(true).toBeFalsy();
       }
     });
+
+    it('Should allow .graphqls extension when its the only plugin', async () => {
+      const fileName = 'output.graphqls';
+      const plugins: Types.ConfiguredPlugin[] = [
+        {
+          'schema-ast': {},
+        },
+      ];
+
+      try {
+        await validate(null, null, null, fileName, plugins);
+      } catch (e) {
+        expect(true).toBeFalsy();
+      }
+    });
   });
   describe('Output', () => {
     const typeDefs = /* GraphQL */ `