Move isModuleInterface function (Flow, TypeScript) to the Flow and TypeScript parsers. (#36268)

Summary:
Task from https://github.com/facebook/react-native/issues/34872

> [Codegen 82] Move isModuleInterface function (Flow, TypeScript) to the Flow and TypeScript parsers.

## Changelog

[INTERNAL] [CHANGED] - Moved isModuleInterface function to to the Flow and TypeScript parsers.

Pull Request resolved: https://github.com/facebook/react-native/pull/36268

Test Plan: ` yarn test react-native-codegen`

Reviewed By: christophpurrer

Differential Revision: D43535948

Pulled By: rshest

fbshipit-source-id: 7a2db05008783499168b0ce3fa58fedbac2b4e79

packages/react-native-codegen/src/parsers/__tests__/parsers-test.js

@@ -67,6 +67,28 @@ describe('FlowParser', () => {
       ]);
     });
   });
+
+  describe('isModuleInterface', () => {
+    it('returns true if it is a valid node', () => {
+      const node = {
+        type: 'InterfaceDeclaration',
+        extends: [
+          {
+            type: 'InterfaceExtends',
+            id: {
+              name: 'TurboModule',
+            },
+          },
+        ],
+      };
+      expect(parser.isModuleInterface(node)).toBe(true);
+    });
+
+    it('returns false if it is a invalid node', () => {
+      const node = {};
+      expect(parser.isModuleInterface(node)).toBe(false);
+    });
+  });
 });
 
 describe('TypeScriptParser', () => {
@@ -116,4 +138,26 @@ describe('TypeScriptParser', () => {
       ]);
     });
   });
+
+  describe('isModuleInterface', () => {
+    it('returns true if it is a valid node', () => {
+      const node = {
+        type: 'TSInterfaceDeclaration',
+        extends: [
+          {
+            type: 'TSExpressionWithTypeArguments',
+            expression: {
+              name: 'TurboModule',
+            },
+          },
+        ],
+      };
+      expect(parser.isModuleInterface(node)).toBe(true);
+    });
+
+    it('returns false if it is a invalid node', () => {
+      const node = {};
+      expect(parser.isModuleInterface(node)).toBe(false);
+    });
+  });
 });

packages/react-native-codegen/src/parsers/flow/modules/index.js

@@ -330,15 +330,6 @@ function translateTypeAnnotation(
   }
 }
 
-function isModuleInterface(node: $FlowFixMe) {
-  return (
-    node.type === 'InterfaceDeclaration' &&
-    node.extends.length === 1 &&
-    node.extends[0].type === 'InterfaceExtends' &&
-    node.extends[0].id.name === 'TurboModule'
-  );
-}
-
 function buildModuleSchema(
   hasteModuleName: string,
   /**
@@ -350,7 +341,7 @@ function buildModuleSchema(
 ): NativeModuleSchema {
   const types = getTypes(ast);
   const moduleSpecs = (Object.values(types): $ReadOnlyArray<$FlowFixMe>).filter(
-    isModuleInterface,
+    t => parser.isModuleInterface(t),
   );
 
   throwIfModuleInterfaceNotFound(

packages/react-native-codegen/src/parsers/flow/parser.js

@@ -196,6 +196,15 @@ class FlowParser implements Parser {
       value: member.init?.value ?? member.id.name,
     }));
   }
+
+  isModuleInterface(node: $FlowFixMe): boolean {
+    return (
+      node.type === 'InterfaceDeclaration' &&
+      node.extends.length === 1 &&
+      node.extends[0].type === 'InterfaceExtends' &&
+      node.extends[0].id.name === 'TurboModule'
+    );
+  }
 }
 
 module.exports = {

packages/react-native-codegen/src/parsers/parser.js

@@ -152,4 +152,9 @@ export interface Parser {
    * Calculates enum's members
    */
   parseEnumMembers(typeAnnotation: $FlowFixMe): NativeModuleEnumMembers;
+
+  /**
+   * Given a node, it returns true if it is a module interface
+   */
+  isModuleInterface(node: $FlowFixMe): boolean;
 }

packages/react-native-codegen/src/parsers/parserMock.js

@@ -159,4 +159,13 @@ export class MockedParser implements Parser {
           },
         ];
   }
+
+  isModuleInterface(node: $FlowFixMe): boolean {
+    return (
+      node.type === 'InterfaceDeclaration' &&
+      node.extends.length === 1 &&
+      node.extends[0].type === 'InterfaceExtends' &&
+      node.extends[0].id.name === 'TurboModule'
+    );
+  }
 }

packages/react-native-codegen/src/parsers/typescript/modules/index.js

@@ -436,15 +436,6 @@ function translateTypeAnnotation(
   }
 }
 
-function isModuleInterface(node: $FlowFixMe) {
-  return (
-    node.type === 'TSInterfaceDeclaration' &&
-    node.extends?.length === 1 &&
-    node.extends[0].type === 'TSExpressionWithTypeArguments' &&
-    node.extends[0].expression.name === 'TurboModule'
-  );
-}
-
 function buildModuleSchema(
   hasteModuleName: string,
   /**
@@ -456,7 +447,7 @@ function buildModuleSchema(
 ): NativeModuleSchema {
   const types = getTypes(ast);
   const moduleSpecs = (Object.values(types): $ReadOnlyArray<$FlowFixMe>).filter(
-    isModuleInterface,
+    t => parser.isModuleInterface(t),
   );
 
   throwIfModuleInterfaceNotFound(

packages/react-native-codegen/src/parsers/typescript/parser.js

@@ -192,6 +192,15 @@ class TypeScriptParser implements Parser {
       value: member.initializer?.value ?? member.id.name,
     }));
   }
+
+  isModuleInterface(node: $FlowFixMe): boolean {
+    return (
+      node.type === 'TSInterfaceDeclaration' &&
+      node.extends?.length === 1 &&
+      node.extends[0].type === 'TSExpressionWithTypeArguments' &&
+      node.extends[0].expression.name === 'TurboModule'
+    );
+  }
 }
 module.exports = {
   TypeScriptParser,