React Native: Allow Views to be nested inside of Text

This feature is now supported on both iOS and Android. The Android feature was merged a couple of weeks ago: facebook/react-native#23195.

Author: Adam Comella

packages/react-native-renderer/src/ReactFabricHostConfig.js

@@ -191,11 +191,6 @@ export function createInstance(
     }
   }
 
-  invariant(
-    type !== 'RCTView' || !hostContext.isInAParentText,
-    'Nesting of <View> within <Text> is not currently supported.',
-  );
-
   const updatePayload = create(props, viewConfig.validAttributes);
 
   const node = createNode(

packages/react-native-renderer/src/ReactNativeHostConfig.js

@@ -102,11 +102,6 @@ export function createInstance(
     }
   }
 
-  invariant(
-    type !== 'RCTView' || !hostContext.isInAParentText,
-    'Nesting of <View> within <Text> is not currently supported.',
-  );
-
   const updatePayload = create(props, viewConfig.validAttributes);
 
   UIManager.createView(

packages/react-native-renderer/src/__tests__/ReactFabric-test.internal.js

@@ -610,7 +610,7 @@ describe('ReactFabric', () => {
     expect(snapshots).toMatchSnapshot();
   });
 
-  it('should throw when <View> is used inside of a <Text> ancestor', () => {
+  it('should not throw when <View> is used inside of a <Text> ancestor', () => {
     const Image = createReactNativeComponentClass('RCTImage', () => ({
       validAttributes: {},
       uiViewClassName: 'RCTImage',
@@ -624,16 +624,13 @@ describe('ReactFabric', () => {
       uiViewClassName: 'RCTView',
     }));
 
-    expect(() =>
-      ReactFabric.render(
-        <Text>
-          <View />
-        </Text>,
-        11,
-      ),
-    ).toThrow('Nesting of <View> within <Text> is not currently supported.');
+    ReactFabric.render(
+      <Text>
+        <View />
+      </Text>,
+      11,
+    );
 
-    // Non-View things (e.g. Image) are fine
     ReactFabric.render(
       <Text>
         <Image />

packages/react-native-renderer/src/__tests__/ReactNativeMount-test.internal.js

@@ -486,7 +486,7 @@ describe('ReactNative', () => {
     expect(mockArgs.length).toEqual(0);
   });
 
-  it('should throw when <View> is used inside of a <Text> ancestor', () => {
+  it('should not throw when <View> is used inside of a <Text> ancestor', () => {
     const Image = createReactNativeComponentClass('RCTImage', () => ({
       validAttributes: {},
       uiViewClassName: 'RCTImage',
@@ -500,14 +500,12 @@ describe('ReactNative', () => {
       uiViewClassName: 'RCTView',
     }));
 
-    expect(() =>
-      ReactNative.render(
-        <Text>
-          <View />
-        </Text>,
-        11,
-      ),
-    ).toThrow('Nesting of <View> within <Text> is not currently supported.');
+    ReactNative.render(
+      <Text>
+        <View />
+      </Text>,
+      11,
+    );
 
     // Non-View things (e.g. Image) are fine
     ReactNative.render(