feat: drop support for 0.75 and older

CONTRIBUTING.md

@@ -189,10 +189,10 @@ node --test test/pack.test.mjs
 ## Testing Specific React Native Versions
 
 `react-native-test-app` supports multiple versions of React Native. Use
-`set-react-version` to set the version, e.g. to use 0.73:
+`set-react-version` to set the version, e.g. to use 0.80:
 
 ```sh
-npm run set-react-version 0.73
+npm run set-react-version 0.80
 ```
 
 This will modify both `package.json` and `example/package.json` to use packages
@@ -218,11 +218,11 @@ update the title and fill out all the required fields. You can find the relevant
 discussion link at [`react-native-releases`][].
 
 Use the [`test:matrix`][] script to both test and capture screenshots. We'll
-need the screenshots for the PR we'll create later. For instance, to test 0.73,
+need the screenshots for the PR we'll create later. For instance, to test 0.80,
 run:
 
 ```sh
-npm run test:matrix 0.73
+npm run test:matrix 0.80
 ```
 
 At the minimum, we should be testing the lowest supported version (0.66 at the
@@ -257,13 +257,13 @@ If the test script succeeds, we are ready to open a PR:
   - The test script we ran should have generated screenshots for the table
 
 ```markdown
-| Configuration | JSC | Hermes | Fabric | Fabric + Hermes |
-| :------------ | :-: | :----: | :----: | :-------------: |
-| Android       | n/a |  TODO  |  n/a   |      TODO       |
-| iOS           | n/a |  TODO  |  n/a   |      TODO       |
-| macOS         | n/a |  TODO  |  n/a   |      TODO       |
-| visionOS      | n/a |  TODO  |  n/a   |      TODO       |
-| Windows       | n/a |  TODO  |  n/a   |      TODO       |
+| Configuration | Fabric | Fabric + Hermes |
+| :------------ | :----: | :-------------: |
+| Android       |  n/a   |      TODO       |
+| iOS           |  n/a   |      TODO       |
+| macOS         |  n/a   |      TODO       |
+| visionOS      |  n/a   |      TODO       |
+| Windows       |  n/a   |      TODO       |
 ```
 
 While the PR is open:

android/app/build.gradle

@@ -17,25 +17,19 @@ buildDir = "${rootDir}/${name}/build"
 
 def reactNativePath = file(findNodeModulesPath("react-native", rootDir))
 
-if (autodetectReactNativeVersion || enableNewArchitecture) {
-    apply(plugin: "com.facebook.react")
-
-    react {
-        reactNativeDir = reactNativePath
-        codegenDir = file(
-            reactNativeVersion >= v(0, 72, 0)
-                ? findNodeModulesPath("@react-native/codegen", reactNativePath)
-                : findNodeModulesPath("react-native-codegen", reactNativePath)
-        )
-    }
+apply(plugin: "com.facebook.react")
 
-    // We don't want the React plugin to bundle.
-    tasks.whenTaskAdded { task ->
-        // The task name can be found in `react-native-gradle-plugin`:
-        // https://github.com/facebook/react-native/blob/0.71-stable/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/TaskConfiguration.kt#L54
-        if (task.name.startsWith("createBundle") && task.name.endsWith("JsAndAssets")) {
-            task.enabled = false
-        }
+react {
+    reactNativeDir = reactNativePath
+        codegenDir = file(findNodeModulesPath("@react-native/codegen", reactNativePath))
+}
+
+// We don't want the React plugin to bundle.
+tasks.whenTaskAdded { task ->
+    // The task name can be found in `react-native-gradle-plugin`:
+    // https://github.com/facebook/react-native/blob/0.71-stable/packages/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/TaskConfiguration.kt#L54
+    if (task.name.startsWith("createBundle") && task.name.endsWith("JsAndAssets")) {
+        task.enabled = false
     }
 }
 
@@ -78,10 +72,8 @@ android {
         ndkVersion = project.ext.ndkVersion
     }
 
-    if (usePrefabs) {
-        buildFeatures {
-            prefab = true
-        }
+    buildFeatures {
+        prefab = true
     }
 
     kotlinOptions {
@@ -107,14 +99,12 @@ android {
 
         resValue("string", "app_name", project.ext.react.appName)
 
-        def cppStd = reactNativeVersion >= v(0, 74, 0) ? "-std=c++20" : "-std=c++17"
+        def cppStd = "-std=c++20"
         if (enableNewArchitecture) {
             externalNativeBuild {
                 cmake {
                     arguments("-DANDROID_STL=c++_shared",
-                              "-DNODE_MODULES_DIR=${reactNativePath}/..",
                               "-DPROJECT_BUILD_DIR=${buildDir}",
-                              "-DREACT_ANDROID_BUILD_DIR=${reactNativePath}/ReactAndroid/build",
                               "-DREACT_ANDROID_DIR=${reactNativePath}/ReactAndroid")
                     cppFlags(cppStd, "-frtti", "-fexceptions", "-DWITH_INSPECTOR=1")
                 }
@@ -142,28 +132,6 @@ android {
         }
     }
 
-    if (!enableNewArchitecture && !usePrefabs) {
-        def version = getPackageVersion("react-native", rootDir)
-        def allAar = file("${reactNativePath}/android/com/facebook/react/react-native/${version}/react-native-${version}.aar")
-
-        def prepareDebugJSI = tasks.register("prepareDebugJSI", Copy) {
-            def debugAar = file("${reactNativePath}/android/com/facebook/react/react-native/${version}/react-native-${version}-debug.aar")
-            from(zipTree(debugAar.exists() ? debugAar : allAar).matching({ it.include "**/libjsi.so" }))
-            into("${buildDir}/outputs/jniLibs/debug")
-        }
-
-        def prepareReleaseJSI = tasks.register("prepareReleaseJSI", Copy) {
-            def releaseAar = file("${reactNativePath}/android/com/facebook/react/react-native/${version}/react-native-${version}-release.aar")
-            from(zipTree(releaseAar.exists() ? releaseAar : allAar).matching({ it.include "**/libjsi.so" }))
-            into("${buildDir}/outputs/jniLibs/release")
-        }
-
-        afterEvaluate {
-            preDebugBuild.dependsOn(prepareDebugJSI)
-            preReleaseBuild.dependsOn(prepareReleaseJSI)
-        }
-    }
-
     lintOptions {
         lintConfig = file("lint.xml")
     }
@@ -198,52 +166,12 @@ android {
                 ? "src/old-arch/java"
                 : reactNativeVersion >= v(0, 81, 0)
                     ? "src/new-arch-0.81/java"
-                    : reactNativeVersion >= v(0, 73, 0)
-                        ? "src/new-arch-0.73/java"
-                        : "src/new-arch/java",
-
-            // TODO: Remove this block when we drop support for 0.74
-            // https://github.com/facebook/react-native/commit/3283202248a36dbda553745afc46a3e3e2ab41a6
-            reactNativeVersion >= v(0, 75, 0)
-                ? "src/reactactivitydelegate-0.75/java"
-                // TODO: Remove this block when we drop support for 0.73
-                : reactNativeVersion >= v(0, 74, 0)
-                    ? "src/reactactivitydelegate-0.74/java"
-                    // TODO: Remove this block when we drop support for 0.71
-                    // https://github.com/facebook/react-native/commit/e5dd9cdc6688e63e75a7e0bebf380be1a9a5fe2b
-                    : reactNativeVersion >= v(0, 72, 0)
-                        ? "src/reactactivitydelegate-0.72/java"
-                        : "src/reactactivitydelegate-pre-0.72/java",
-
-            // TODO: Remove this block when we drop support for 0.74
-            // https://github.com/facebook/react-native/commit/a1e81185416a53c7c7d0cfc67e40079fd0073e7c
-            reactNativeVersion >= v(0, 75, 0)
-                ? "src/devserverhelper-0.75/java"
-                // TODO: Remove this block when we drop support for 0.73
-                // https://github.com/facebook/react-native/commit/cfa02eec50469059542ccbacbc51643b525ad461
-                : reactNativeVersion >= v(0, 74, 0)
-                    ? "src/devserverhelper-0.74/java"
-                    // TODO: Remove this block when we drop support for 0.72
-                    // https://github.com/facebook/react-native/commit/da358d0ec7a492edb804b9cdce70e7516ee518ae
-                    : reactNativeVersion >= v(0, 73, 0)
-                        ? "src/devserverhelper-0.73/java"
-                        : "src/devserverhelper-pre-0.73/java",
-
-            // TODO: Remove this block when we drop support for 0.75
-            // https://github.com/react-native-community/template/commit/f738a366b194dd21d4d2bc14c9215b630714dd70
-            reactNativeVersion >= v(0, 76, 0)
-                ? "src/reactapplication-0.76/java"
-                // TODO: Remove this block when we drop support for 0.72
-                // https://github.com/facebook/react-native/commit/c3f672cef7d4f287d3d729d33650f917ed132a0c
-                : reactNativeVersion < v(0, 73, 0)
-                    ? "src/reactapplication-pre-0.73/java"
-                    : "src/reactapplication-0.73/java",
-
-            // TODO: Remove this block when we drop support for 0.75
-            // https://github.com/react-native-community/template/commit/f738a366b194dd21d4d2bc14c9215b630714dd70
-            reactNativeVersion >= v(0, 76, 0)
-                ? "src/reacthost-0.76/java"
-                : "src/reacthost-legacy/java",
+                    : "src/new-arch-0.73/java",
+
+            "src/devserverhelper-0.75/java",
+            "src/reactactivitydelegate-0.75/java",
+            "src/reactapplication-0.76/java",
+            "src/reacthost-0.76/java",
         ]
     }
 
@@ -260,22 +188,8 @@ android {
 dependencies {
     implementation project(":support")
 
-    if (project.ext.react.enableHermes) {
-        if (autodetectReactNativeVersion) {
-            implementation("com.facebook.react:hermes-android")
-        } else {
-            implementation("com.facebook.react:hermes-engine:+") {
-                exclude(group: "com.facebook.fbjni")
-            }
-        }
-    }
-
-    if (autodetectReactNativeVersion) {
-        implementation("com.facebook.react:react-android")
-    } else {
-        def version = getPackageVersion("react-native", rootDir)
-        implementation("com.facebook.react:react-native:${version}")
-    }
+    implementation("com.facebook.react:hermes-android")
+    implementation("com.facebook.react:react-android")
 
     implementation(libraries.androidAppCompat)
     implementation(libraries.androidCoreKotlinExtensions)
@@ -288,25 +202,10 @@ dependencies {
         implementation(libraries.mlKitBarcodeScanning)
     }
 
-    if (reactNativeVersion == 0 || reactNativeVersion >= v(0, 75, 0)) {
-        // https://github.com/facebook/react-native/blob/b0c0bb45911434ea654ba7e2feff4686061eba7a/packages/react-native-gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/ReactExtension.kt#L162
-        def dependencies = autolinkingInfo(buildDir)
-        dependencies.each { path, info ->
-            info.configurations.each { configuration ->
-                add(configuration, project(path))
-            }
-        }
-    }
-}
-
-if (!enableNewArchitecture && !usePrefabs) {
-    configurations.all {
-        resolutionStrategy {
-            // Force version here otherwise Gradle will pick up a newer version:
-            // https://github.com/facebook/react-native/issues/35210
-            def version = getPackageVersion("react-native", rootDir)
-            force("com.facebook.react:react-native:${version}")
-            force("com.facebook.react:hermes-engine:${version}")
+    // https://github.com/facebook/react-native/blob/b0c0bb45911434ea654ba7e2feff4686061eba7a/packages/react-native-gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/ReactExtension.kt#L162
+    autolinkingInfo(buildDir).each { path, info ->
+        info.configurations.each { configuration ->
+            add(configuration, project(path))
         }
     }
 }

android/app/src/main/jni/AutolinkingCompat.h

@@ -13,22 +13,10 @@
 
 #endif  // __has_include(<FBReactNativeSpec.h>)  // >= 0.81
 
-#if __has_include(<autolinking.h>)  // >= 0.75
-
 #include <autolinking.h>
 
 #define autolinking_ModuleProvider facebook::react::autolinking_ModuleProvider
 #define autolinking_cxxModuleProvider facebook::react::autolinking_cxxModuleProvider
 #define autolinking_registerProviders facebook::react::autolinking_registerProviders
 
-#else  // < 0.75
-
-#include <rncli.h>
-
-#define autolinking_ModuleProvider facebook::react::rncli_ModuleProvider
-#define autolinking_cxxModuleProvider facebook::react::rncli_cxxModuleProvider
-#define autolinking_registerProviders facebook::react::rncli_registerProviders
-
-#endif  // __has_include(<autolinking.h>)
-
 #endif  // REACTAPP_JNI_AUTOLINKINGCOMPAT_H_

android/app/src/main/jni/CMakeLists.txt

@@ -12,8 +12,6 @@ set(REACTTESTAPP_SOURCE_FILES
 
 # Suppress 'Manually-specified variables were not used by the project' warning
 set(UNUSED_VARIABLES
-  ${NODE_MODULES_DIR}         # TODO: No longer used in 0.72
-  ${REACT_ANDROID_BUILD_DIR}  # TODO: No longer used in 0.72
   ${REACT_COMMON_DIR}
   ${REACT_JNILIBS_DIR}
 )

android/app/src/main/jni/ComponentsRegistry.cpp

@@ -2,16 +2,13 @@
 
 #if !__has_include(<DefaultTurboModuleManagerDelegate.h>)
 
+// clang-format off
 #include "AutolinkingCompat.h"
-
-#if __has_include(<react/fabric/CoreComponentsRegistry.h>)  // >= 0.71
-#include <react/fabric/CoreComponentsRegistry.h>
-#else  // < 0.71
-#include <CoreComponentsRegistry.h>
-#endif  // __has_include(<react/fabric/CoreComponentsRegistry.h>)
+// clang-format on
 
 #include <DefaultComponentsRegistry.h>
 
+#include <react/fabric/CoreComponentsRegistry.h>
 #include <react/renderer/componentregistry/ComponentDescriptorProviderRegistry.h>
 #include <react/renderer/componentregistry/ComponentDescriptorRegistry.h>
 #include <react/renderer/components/rncore/ComponentDescriptors.h>

android/app/src/main/jni/ComponentsRegistry.h

@@ -3,11 +3,7 @@
 
 #include <fbjni/fbjni.h>
 
-#if __has_include(<react/fabric/ComponentFactory.h>)  // >= 0.71
 #include <react/fabric/ComponentFactory.h>
-#else  // < 0.71
-#include <ComponentFactory.h>
-#endif
 
 namespace ReactTestApp
 {

android/app/src/main/jni/OnLoad.cpp

@@ -31,12 +31,10 @@ namespace
     std::shared_ptr<TurboModule> javaModuleProvider(const std::string &name,
                                                     const JavaTurboModule::InitParams &params)
     {
-#if __has_include(<autolinking.h>)  // >= 0.75
         // We first try to look up core modules
         if (auto module = rncore_ModuleProvider(name, params)) {
             return module;
         }
-#endif  // __has_include(<autolinking.h>)
 
         // And we fallback to the module providers autolinked by RN CLI
         return autolinking_ModuleProvider(name, params);