fix: skip location when deep cloning AST nodes

packages/amplify-data-construct/.jsii

@@ -1375,6 +1375,19 @@
             }
           }
         },
+        "aws-cdk-lib.aws_dsql": {
+          "targets": {
+            "dotnet": {
+              "package": "Amazon.CDK.AWS.DSQL"
+            },
+            "java": {
+              "package": "software.amazon.awscdk.services.dsql"
+            },
+            "python": {
+              "module": "aws_cdk.aws_dsql"
+            }
+          }
+        },
         "aws-cdk-lib.aws_dynamodb": {
           "targets": {
             "dotnet": {
@@ -4109,5 +4122,5 @@
   },
   "types": {},
   "version": "1.16.1",
-  "fingerprint": "RmejNooIcfMZHBiK6PXB+e2XH6v5bdARzogf0gvsW9Q="
+  "fingerprint": "/ibLSIPW39LJ28MtSyskiOwCoijSx8eBTWO+BhuVXwE="
 }

packages/amplify-graphql-api-construct/.jsii

@@ -1367,6 +1367,19 @@
             }
           }
         },
+        "aws-cdk-lib.aws_dsql": {
+          "targets": {
+            "dotnet": {
+              "package": "Amazon.CDK.AWS.DSQL"
+            },
+            "java": {
+              "package": "software.amazon.awscdk.services.dsql"
+            },
+            "python": {
+              "module": "aws_cdk.aws_dsql"
+            }
+          }
+        },
         "aws-cdk-lib.aws_dynamodb": {
           "targets": {
             "dotnet": {
@@ -9513,5 +9526,5 @@
     }
   },
   "version": "1.20.1",
-  "fingerprint": "+StR3FqEAlc1IFZPMqvjS5CUe5YnkTLZS2rMNf1BHPA="
+  "fingerprint": "oNtoWovWTY04XL/toJV/tRugU0fwH6LEnKJEbslPXlM="
 }

packages/amplify-graphql-transformer-core/src/__tests__/utils/directive-wrapper-test.ts → packages/amplify-graphql-transformer-core/src/__tests__/utils/directive-wrapper.test.ts

@@ -186,5 +186,31 @@ describe('Transformer Core Util Tests', () => {
       expect(newArgs.timestamps.createdAt).toEqual('createdOn');
       expect(newArgs.timestamps.updatedAt).toEqual('updatedOn');
     });
+
+    it(': Should skip location when deep cloning', () => {
+      // Cloning token locations is expensive and not useful (they're read only).
+      // Some transformers are passing AST nodes to 'getArguments'
+      // Assert that we don't clone them.
+      const parsedDoc = parse(schema);
+      const objNode = parsedDoc?.definitions?.[0] as ObjectTypeDefinitionNode;
+      const modelDir = objNode?.directives?.[0] as DirectiveNode;
+      const wrappedDir = new DirectiveWrapper(modelDir);
+
+      const argsWithASTNodes = {
+        // add some args that are AST nodes.
+        objNode,
+        modelDir,
+        // include common args to trigger deep merging.
+        ...cloneDeep(defaultArgs),
+      };
+
+      const newArgs = wrappedDir.getArguments(argsWithASTNodes, { deepMergeArguments: true });
+      // Assert that args were cloned.
+      expect(newArgs.objNode === objNode).toBeFalsy();
+      expect(newArgs.modelDir === modelDir).toBeFalsy();
+      // Assert that locations were not cloned.
+      expect(newArgs.objNode.loc === objNode.loc).toBeTruthy();
+      expect(newArgs.modelDir.loc === modelDir.loc).toBeTruthy();
+    });
   });
 });

packages/amplify-graphql-transformer-core/src/utils/directive-wrapper.ts

@@ -55,7 +55,24 @@ export class DirectiveWrapper {
       {},
     );
     if (options?.deepMergeArguments && needsDeepMerge(defaultValue, argValues)) {
-      return _.merge(_.cloneDeep(defaultValue), argValues);
+      return _.merge(
+        _.cloneDeepWith(defaultValue, (value) => {
+          if (value instanceof Location) {
+            // Skip cloning for 'Locations'
+            // Some transformers are using AST nodes as arguments.
+            // These AST nodes contain 'loc: Location' property which contains information
+            // about where tokens were found in the schema during parsing.
+            // This is a deeply nested structure for large schemas and cloning it may
+            // hit recursive call limits.
+            // Location is typed as read-only and doesn't change in post processing after parsing.
+            // Therefore, is safe to keep original values.
+            return value;
+          }
+          // Returning undefined let's Lodash know to use it's algorithm to clone.
+          return undefined;
+        }),
+        argValues,
+      );
     }
     return Object.assign(defaultValue, argValues);
   };

yarn.lock

@@ -17022,16 +17022,7 @@ string-length@^4.0.1:
     char-regex "^1.0.2"
     strip-ansi "^6.0.0"
 
-"string-width-cjs@npm:string-width@^4.2.0":
-  version "4.2.3"
-  resolved "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
-  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
-  dependencies:
-    emoji-regex "^8.0.0"
-    is-fullwidth-code-point "^3.0.0"
-    strip-ansi "^6.0.1"
-
-"string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
+"string-width-cjs@npm:string-width@^4.2.0", "string-width@^1.0.2 || 2 || 3 || 4", string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
   version "4.2.3"
   resolved "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -17153,7 +17144,7 @@ string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
   version "6.0.1"
   resolved "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
@@ -17174,13 +17165,6 @@ strip-ansi@^5.1.0, strip-ansi@^5.2.0:
   dependencies:
     ansi-regex "^4.1.0"
 
-strip-ansi@^6.0.0, strip-ansi@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
-  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
-  dependencies:
-    ansi-regex "^5.0.1"
-
 strip-ansi@^7.0.1, strip-ansi@^7.1.0:
   version "7.1.0"
   resolved "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.1.0.tgz#d5b6568ca689d8561370b0707685d22434faff45"
@@ -18188,7 +18172,7 @@ workerpool@^6.5.1:
   resolved "https://registry.npmjs.org/workerpool/-/workerpool-6.5.1.tgz#060f73b39d0caf97c6db64da004cd01b4c099544"
   integrity sha512-Fs4dNYcsdpYSAfVxhnl1L5zTksjvOJxtC5hzMNl+1t9B8hTJTdKDyZ5ju7ztgPy+ft9tBFXoOlDNiOT9WUXZlA==
 
-"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
+"wrap-ansi-cjs@npm:wrap-ansi@^7.0.0", wrap-ansi@^7.0.0:
   version "7.0.0"
   resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
   integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
@@ -18206,15 +18190,6 @@ wrap-ansi@^6.0.1, wrap-ansi@^6.2.0:
     string-width "^4.1.0"
     strip-ansi "^6.0.0"
 
-wrap-ansi@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
-  integrity sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==
-  dependencies:
-    ansi-styles "^4.0.0"
-    string-width "^4.1.0"
-    strip-ansi "^6.0.0"
-
 wrap-ansi@^8.1.0:
   version "8.1.0"
   resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz#56dc22368ee570face1b49819975d9b9a5ead214"