[Fabric] Implement aria-level, aria-posinset, aria-setsize in TextInput (#14732)

Author: anupriya13

change/react-native-windows-9b884947-60da-4257-a274-84442c901e0f.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "[Fabric] Implement aria-level, aria-posinset, aria-setsize in TextInput",
+  "packageName": "react-native-windows",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

packages/playground/Samples/textinput.tsx

@@ -75,6 +75,9 @@ export default class Bootstrap extends React.Component<{}, any> {
               style={styles.input}
               placeholder={'MultiLine'}
               multiline={true}
+              aria-level={1}
+              aria-posinset={1}
+              aria-setsize={30}
             />
             <TextInput
               style={styles.input}

vnext/src-win/Libraries/Components/TextInput/TextInput.windows.js

@@ -1370,6 +1370,12 @@ function InternalTextInput(props: TextInputProps): React.Node {
     'aria-readonly': ariaReadOnly, // Windows
     'aria-multiselectable': ariaMultiselectable, // Windows
     'aria-required': ariaRequired, // Windows
+    'aria-level': ariaLevel, // Windows
+    'aria-posinset': ariaPosinset, // Windows
+    'aria-setsize': ariaSetsize, // Windows
+    accessibilityLevel, // Windows
+    accessibilityPosInSet, // Windows
+    accessibilitySetSize, // Windows
     accessibilityState,
     id,
     tabIndex,
@@ -1693,6 +1699,10 @@ function InternalTextInput(props: TextInputProps): React.Node {
     props.onKeyUpCapture && props.onKeyUpCapture(event);
   };
 
+  const _accessibilityLevel = ariaLevel ?? accessibilityLevel; // Windows
+  const _accessibilityPosInSet = ariaPosinset ?? accessibilityPosInSet; // Windows
+  const _accessibilitySetSize = ariaSetsize ?? accessibilitySetSize; // Windows
+
   let _accessibilityState;
   if (
     accessibilityState != null ||
@@ -1877,6 +1887,10 @@ function InternalTextInput(props: TextInputProps): React.Node {
         mostRecentEventCount={mostRecentEventCount}
         onBlur={_onBlur}
         onChange={_onChange}
+        accessibilityState={_accessibilityState}
+        accessibilityLevel={_accessibilityLevel}
+        accessibilityPosInSet={_accessibilityPosInSet}
+        accessibilitySetSize={_accessibilitySetSize}
         /* $FlowFixMe[incompatible-type] the types for WindowsTextInput
          * don't match up exactly with the props for TextInput. This will need
          * to get fixed */