Introduce SampleLegacyModule example in RNTester

packages/react-native/ReactCommon/react/nativemodule/samples/platform/ios/ReactCommon/RCTSampleLegacyModule.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import <React/RCTAssert.h>
+#import <React/RCTBridgeModule.h>
+#import <React/RCTInvalidating.h>
+#import <React/RCTUtils.h>
+
+@interface RCTSampleLegacyModule : NSObject <RCTBridgeModule, RCTInvalidating>
+@end

packages/react-native/ReactCommon/react/nativemodule/samples/platform/ios/ReactCommon/RCTSampleLegacyModule.mm

@@ -0,0 +1,225 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTSampleLegacyModule.h"
+
+@implementation RCTSampleLegacyModule {
+  RCTBridge *_bridge;
+}
+
+// Backward-compatible export
+RCT_EXPORT_MODULE()
+
+// Backward-compatible queue configuration
++ (BOOL)requiresMainQueueSetup
+{
+  return YES;
+}
+
+- (void)setBridge:(RCTBridge *)bridge
+{
+  _bridge = bridge;
+}
+
+- (dispatch_queue_t)methodQueue
+{
+  return dispatch_get_main_queue();
+}
+
+// Backward compatible invalidation
+- (void)invalidate
+{
+  // Actually do nothing here.
+  NSLog(@"Invalidating RCTSampleTurboModule...");
+}
+
+- (NSDictionary *)getConstants
+{
+  __block NSDictionary *constants;
+  RCTUnsafeExecuteOnMainQueueSync(^{
+    UIScreen *mainScreen = UIScreen.mainScreen;
+    CGSize screenSize = mainScreen.bounds.size;
+
+    constants = @{
+      @"const1" : @YES,
+      @"const2" : @(screenSize.width),
+      @"const3" : @"something",
+    };
+  });
+
+  return constants;
+}
+
+// TODO: Remove once fully migrated to TurboModule.
+- (NSDictionary *)constantsToExport
+{
+  return [self getConstants];
+}
+
+RCT_EXPORT_METHOD(voidFunc)
+{
+  // Nothing to do
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getBool : (BOOL)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getEnum : (double)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getNumber : (double)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getFloat : (float)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getInt : (int)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getLongLong : (int64_t)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getUnsignedLongLong : (uint64_t)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getNSInteger : (NSInteger)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getNSUInteger : (NSUInteger)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSArray<id<NSObject>> *, getArray : (NSArray *)arg)
+{
+  return arg;
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSDictionary *, getObject : (NSDictionary *)arg)
+{
+  return arg;
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSString *, getString : (NSString *)arg)
+{
+  return arg;
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getNSNumber : (nonnull NSNumber *)arg)
+{
+  return arg;
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSDictionary *, getUnsafeObject : (NSDictionary *)arg)
+{
+  return arg;
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSNumber *, getRootTag : (double)arg)
+{
+  return @(arg);
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSDictionary *, getValue : (double)x y : (NSString *)y z : (NSDictionary *)z)
+{
+  return @{
+    @"x" : @(x),
+    @"y" : y ?: [NSNull null],
+    @"z" : z ?: [NSNull null],
+  };
+}
+
+RCT_EXPORT_METHOD(getValueWithCallback : (RCTResponseSenderBlock)callback)
+{
+  if (!callback) {
+    return;
+  }
+  callback(@[ @"value from callback!" ]);
+}
+
+RCT_EXPORT_METHOD(getValueWithPromise
+                  : (BOOL)error resolve
+                  : (RCTPromiseResolveBlock)resolve reject
+                  : (RCTPromiseRejectBlock)reject)
+{
+  if (!resolve || !reject) {
+    return;
+  }
+
+  if (error) {
+    reject(
+        @"code_1",
+        @"intentional promise rejection",
+        [NSError errorWithDomain:@"RCTSampleTurboModule" code:1 userInfo:nil]);
+  } else {
+    resolve(@"result!");
+  }
+}
+
+RCT_EXPORT_METHOD(voidFuncThrows)
+{
+  NSException *myException = [NSException exceptionWithName:@"Excepption"
+                                                     reason:@"Intentional exception from ObjC voidFuncThrows"
+                                                   userInfo:nil];
+  @throw myException;
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSDictionary *, getObjectThrows : (NSDictionary *)arg)
+{
+  NSException *myException = [NSException exceptionWithName:@"Excepption"
+                                                     reason:@"Intentional exception from ObjC getObjectThrows"
+                                                   userInfo:nil];
+  @throw myException;
+}
+
+RCT_EXPORT_METHOD(promiseThrows
+                  : (BOOL)error resolve
+                  : (RCTPromiseResolveBlock)resolve reject
+                  : (RCTPromiseRejectBlock)reject)
+{
+  NSException *myException = [NSException exceptionWithName:@"Excepption"
+                                                     reason:@"Intentional exception from ObjC promiseThrows"
+                                                   userInfo:nil];
+  @throw myException;
+}
+
+RCT_EXPORT_METHOD(voidFuncAssert)
+{
+  RCTAssert(false, @"Intentional assert from ObjC voidFuncAssert");
+}
+
+RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD(NSDictionary *, getObjectAssert : (NSDictionary *)arg)
+{
+  RCTAssert(false, @"Intentional assert from ObjC getObjectAssert");
+  return arg;
+}
+
+RCT_EXPORT_METHOD(promiseAssert
+                  : (BOOL)error resolve
+                  : (RCTPromiseResolveBlock)resolve reject
+                  : (RCTPromiseRejectBlock)reject)
+{
+  RCTAssert(false, @"Intentional assert from ObjC promiseAssert");
+}
+
+@end

packages/rn-tester/js/examples/TurboModule/LegacyModuleExample.js

@@ -0,0 +1,29 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @flow
+ */
+
+'use strict';
+
+const React = require('react');
+const {
+  default: SampleLegacyModuleExample,
+} = require('./SampleLegacyModuleExample');
+
+exports.displayName = (undefined: ?string);
+exports.title = 'Legacy Native Module';
+exports.category = 'Basic';
+exports.description = 'Usage of legacy Native Module';
+exports.examples = [
+  {
+    title: 'SampleLegacyModule',
+    render: function (): React.Element<any> {
+      return <SampleLegacyModuleExample />;
+    },
+  },
+];