Move verifyProprsNotAlreadyDefined Function To parsers-commons.js (#3…

…7963)

Summary:
Move the `verifyProprsNotAlreadyDefined` functions [from Flow](https://github.com/facebook/react-native/blob/d8ced6f8953cd896471983714e722caf50783960/packages/react-native-codegen/src/parsers/flow/components/componentsUtils.js#L220-L229) and [from TypeScript](https://github.com/facebook/react-native/blob/d8ced6f8953cd896471983714e722caf50783960/packages/react-native-codegen/src/parsers/typescript/components/componentsUtils.js#LL486-L495) to the parsers-commons.js file. Use the new function in place of the others.

## Changelog:

[Internal] [Changed] - Moved `verifyProprsNotAlreadyDefined` to `parsers-commons.js`

Pull Request resolved: #37963

Reviewed By: cipolleschi

Differential Revision: D46841711

Pulled By: rshest

fbshipit-source-id: 4c7e85d8e184126d16c520b0e56b4c291babff06

packages/react-native-codegen/src/parsers/flow/components/componentsUtils.js

@@ -11,6 +11,7 @@
 'use strict';
 
 const {getValueFromTypes} = require('../utils.js');
+const {verifyPropNotAlreadyDefined} = require('../../parsers-commons');
 import type {TypeDeclarationMap, PropAST, ASTNode} from '../../utils';
 import type {BuildSchemaFN, Parser} from '../../parser';
 
@@ -206,17 +207,6 @@ function flattenProperties(
     .filter(Boolean);
 }
 
-function verifyPropNotAlreadyDefined(
-  props: $ReadOnlyArray<PropAST>,
-  needleProp: PropAST,
-) {
-  const propName = needleProp.key.name;
-  const foundProp = props.some(prop => prop.key.name === propName);
-  if (foundProp) {
-    throw new Error(`A prop was already defined with the name ${propName}`);
-  }
-}
-
 function getTypeAnnotation<+T>(
   name: string,
   annotation: $FlowFixMe | ASTNode,

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

@@ -1072,6 +1072,17 @@ function buildPropertiesForEvent(
   return getPropertyType(name, optional, typeAnnotation, parser);
 }
 
+function verifyPropNotAlreadyDefined(
+  props: $ReadOnlyArray<PropAST>,
+  needleProp: PropAST,
+) {
+  const propName = needleProp.key.name;
+  const foundProp = props.some(prop => prop.key.name === propName);
+  if (foundProp) {
+    throw new Error(`A prop was already defined with the name ${propName}`);
+  }
+}
+
 module.exports = {
   wrapModuleSchema,
   unwrapNullable,
@@ -1099,4 +1110,5 @@ module.exports = {
   handleGenericTypeAnnotation,
   getTypeResolutionStatus,
   buildPropertiesForEvent,
+  verifyPropNotAlreadyDefined,
 };

packages/react-native-codegen/src/parsers/typescript/components/componentsUtils.js

@@ -13,6 +13,7 @@ const {
   parseTopLevelType,
   flattenIntersectionType,
 } = require('../parseTopLevelType');
+const {verifyPropNotAlreadyDefined} = require('../../parsers-commons');
 import type {TypeDeclarationMap, PropAST, ASTNode} from '../../utils';
 import type {BuildSchemaFN, Parser} from '../../parser';
 
@@ -453,17 +454,6 @@ function getSchemaInfo(
   };
 }
 
-function verifyPropNotAlreadyDefined(
-  props: $ReadOnlyArray<PropAST>,
-  needleProp: PropAST,
-) {
-  const propName = needleProp.key.name;
-  const foundProp = props.some(prop => prop.key.name === propName);
-  if (foundProp) {
-    throw new Error(`A prop was already defined with the name ${propName}`);
-  }
-}
-
 function flattenProperties(
   typeDefinition: $ReadOnlyArray<PropAST>,
   types: TypeDeclarationMap,