From c1d01f3dd19b35dae4d4838af7f27490655549c6 Mon Sep 17 00:00:00 2001
From: Arda TANRIKULU <ardatanrikulu@gmail.com>
Date: Mon, 31 Oct 2022 13:47:34 +0300
Subject: [PATCH] enhance(wrap): avoid calling MapLeafValues.transformRequest
 if nothing is transformed during transformSchema

---
 .changeset/thick-panthers-carry.md                  | 5 +++++
 packages/wrap/src/transforms/TransformEnumValues.ts | 8 ++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 .changeset/thick-panthers-carry.md

diff --git a/.changeset/thick-panthers-carry.md b/.changeset/thick-panthers-carry.md
new file mode 100644
index 00000000000..8685e1815f8
--- /dev/null
+++ b/.changeset/thick-panthers-carry.md
@@ -0,0 +1,5 @@
+---
+'@graphql-tools/wrap': patch
+---
+
+Do not transform request if there is no value transformed during the schema transformation
diff --git a/packages/wrap/src/transforms/TransformEnumValues.ts b/packages/wrap/src/transforms/TransformEnumValues.ts
index 6146d2dd229..b8ef5f6e7a0 100644
--- a/packages/wrap/src/transforms/TransformEnumValues.ts
+++ b/packages/wrap/src/transforms/TransformEnumValues.ts
@@ -18,6 +18,7 @@ export default class TransformEnumValues<TContext = Record<string, any>>
   private transformedSchema: GraphQLSchema | undefined;
   private mapping: Record<string, Record<string, string>>;
   private reverseMapping: Record<string, Record<string, string>>;
+  private noTransformation = true;
 
   constructor(
     enumValueTransformer: EnumValueTransformer,
@@ -50,6 +51,9 @@ export default class TransformEnumValues<TContext = Record<string, any>>
     delegationContext: DelegationContext<TContext>,
     transformationContext: TransformEnumValuesTransformationContext
   ): ExecutionRequest {
+    if (this.noTransformation) {
+      return originalRequest;
+    }
     return this.transformer.transformRequest(originalRequest, delegationContext, transformationContext);
   }
 
@@ -58,6 +62,9 @@ export default class TransformEnumValues<TContext = Record<string, any>>
     delegationContext: DelegationContext<TContext>,
     transformationContext: TransformEnumValuesTransformationContext
   ) {
+    if (this.noTransformation) {
+      return originalResult;
+    }
     return this.transformer.transformResult(originalResult, delegationContext, transformationContext);
   }
 
@@ -77,6 +84,7 @@ export default class TransformEnumValues<TContext = Record<string, any>>
         }
         this.mapping[typeName][externalValue] = newExternalValue;
         this.reverseMapping[typeName][newExternalValue] = externalValue;
+        this.noTransformation = false;
       }
     }
     return transformedEnumValue;