From 3fb22e7340bfe0e7540670b20aba63c8791fbc17 Mon Sep 17 00:00:00 2001
From: Siddarth Kumar <siddarthkay@gmail.com>
Date: Sun, 30 Jul 2023 09:58:51 +0530
Subject: [PATCH] add `getPaperTopLevelNameDeprecated` to parsers

---
 .../src/parsers/flow/components/events.js                  | 4 +---
 packages/react-native-codegen/src/parsers/flow/parser.js   | 6 ++++++
 packages/react-native-codegen/src/parsers/parser.js        | 7 +++++++
 packages/react-native-codegen/src/parsers/parserMock.js    | 6 ++++++
 .../src/parsers/typescript/components/events.js            | 4 +---
 .../react-native-codegen/src/parsers/typescript/parser.js  | 6 ++++++
 6 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/packages/react-native-codegen/src/parsers/flow/components/events.js b/packages/react-native-codegen/src/parsers/flow/components/events.js
index f0fd64e4eb187f..d7dbbe4d98d15d 100644
--- a/packages/react-native-codegen/src/parsers/flow/components/events.js
+++ b/packages/react-native-codegen/src/parsers/flow/components/events.js
@@ -189,9 +189,7 @@ function findEventArgumentsAndType(
   } else if (name === 'BubblingEventHandler' || name === 'DirectEventHandler') {
     const eventType = name === 'BubblingEventHandler' ? 'bubble' : 'direct';
     const paperTopLevelNameDeprecated =
-      typeAnnotation.typeParameters.params.length > 1
-        ? typeAnnotation.typeParameters.params[1].value
-        : null;
+      parser.getPaperTopLevelNameDeprecated(typeAnnotation);
     if (
       typeAnnotation.typeParameters.params[0].type ===
       parser.nullLiteralTypeAnnotation
diff --git a/packages/react-native-codegen/src/parsers/flow/parser.js b/packages/react-native-codegen/src/parsers/flow/parser.js
index 676a206588dad5..f6d565b75382d3 100644
--- a/packages/react-native-codegen/src/parsers/flow/parser.js
+++ b/packages/react-native-codegen/src/parsers/flow/parser.js
@@ -543,6 +543,12 @@ class FlowParser implements Parser {
   getObjectProperties(typeAnnotation: $FlowFixMe): $FlowFixMe {
     return typeAnnotation.properties;
   }
+
+  getPaperTopLevelNameDeprecated(typeAnnotation: $FlowFixMe): $FlowFixMe {
+    return typeAnnotation.typeParameters.params.length > 1
+      ? typeAnnotation.typeParameters.params[1].value
+      : null;
+  }
 }
 
 module.exports = {
diff --git a/packages/react-native-codegen/src/parsers/parser.js b/packages/react-native-codegen/src/parsers/parser.js
index 98901b41755c3b..8128b92db73ce5 100644
--- a/packages/react-native-codegen/src/parsers/parser.js
+++ b/packages/react-native-codegen/src/parsers/parser.js
@@ -414,4 +414,11 @@ export interface Parser {
    * @returns: the properties of an object represented by a type annotation.
    */
   getObjectProperties(typeAnnotation: $FlowFixMe): $FlowFixMe;
+
+  /**
+   * Given a type annotation, it returns top level name in the AST if it exists else returns null.
+   * @parameter typeAnnotation: the annotation for a type in the AST.
+   * @returns: the top level name properties in the AST if it exists else null.
+   */
+  getPaperTopLevelNameDeprecated(typeAnnotation: $FlowFixMe): $FlowFixMe;
 }
diff --git a/packages/react-native-codegen/src/parsers/parserMock.js b/packages/react-native-codegen/src/parsers/parserMock.js
index 6e5f78de77da53..d5334a956779ec 100644
--- a/packages/react-native-codegen/src/parsers/parserMock.js
+++ b/packages/react-native-codegen/src/parsers/parserMock.js
@@ -482,4 +482,10 @@ export class MockedParser implements Parser {
   getObjectProperties(typeAnnotation: $FlowFixMe): $FlowFixMe {
     return typeAnnotation.properties;
   }
+
+  getPaperTopLevelNameDeprecated(typeAnnotation: $FlowFixMe): $FlowFixMe {
+    return typeAnnotation.typeParameters.params.length > 1
+      ? typeAnnotation.typeParameters.params[1].value
+      : null;
+  }
 }
diff --git a/packages/react-native-codegen/src/parsers/typescript/components/events.js b/packages/react-native-codegen/src/parsers/typescript/components/events.js
index 230b9b512a6b7f..2f05079c4e5f25 100644
--- a/packages/react-native-codegen/src/parsers/typescript/components/events.js
+++ b/packages/react-native-codegen/src/parsers/typescript/components/events.js
@@ -198,9 +198,7 @@ function findEventArgumentsAndType(
   } else if (name === 'BubblingEventHandler' || name === 'DirectEventHandler') {
     const eventType = name === 'BubblingEventHandler' ? 'bubble' : 'direct';
     const paperTopLevelNameDeprecated =
-      typeAnnotation.typeParameters.params.length > 1
-        ? typeAnnotation.typeParameters.params[1].literal.value
-        : null;
+      parser.getPaperTopLevelNameDeprecated(typeAnnotation);
 
     switch (typeAnnotation.typeParameters.params[0].type) {
       case parser.nullLiteralTypeAnnotation:
diff --git a/packages/react-native-codegen/src/parsers/typescript/parser.js b/packages/react-native-codegen/src/parsers/typescript/parser.js
index 4a18396b5c9625..1e3cd59f1dc5cb 100644
--- a/packages/react-native-codegen/src/parsers/typescript/parser.js
+++ b/packages/react-native-codegen/src/parsers/typescript/parser.js
@@ -557,6 +557,12 @@ class TypeScriptParser implements Parser {
   getObjectProperties(typeAnnotation: $FlowFixMe): $FlowFixMe {
     return typeAnnotation.members;
   }
+
+  getPaperTopLevelNameDeprecated(typeAnnotation: $FlowFixMe): $FlowFixMe {
+    return typeAnnotation.typeParameters.params.length > 1
+      ? typeAnnotation.typeParameters.params[1].literal.value
+      : null;
+  }
 }
 
 module.exports = {