- Migrating to RN61

Author: prscms

Example/.eslintrc.js

@@ -0,0 +1,4 @@
+module.exports = {
+  root: true,
+  extends: '@react-native-community',
+};

Example/.flowconfig

@@ -5,19 +5,18 @@
 ; Ignore "BUCK" generated dirs
 <PROJECT_ROOT>/\.buckd/
 
-; Ignore unexpected extra "@providesModule"
-.*/node_modules/.*/node_modules/fbjs/.*
+; Ignore polyfills
+node_modules/react-native/Libraries/polyfills/.*
 
-; Ignore duplicate module providers
-; For RN Apps installed via npm, "Libraries" folder is inside
-; "node_modules/react-native" but in the source repo it is in the root
-.*/Libraries/react-native/React.js
+; These should not be required directly
+; require from fbjs/lib instead: require('fbjs/lib/warning')
+node_modules/warning/.*
 
-; Ignore polyfills
-.*/Libraries/polyfills/.*
+; Flow doesn't support platforms
+.*/Libraries/Utilities/LoadingView.js
 
-; Ignore metro
-.*/node_modules/metro/.*
+[untyped]
+.*/node_modules/@react-native-community/cli/.*/.*
 
 [include]
 
@@ -31,39 +30,46 @@ emoji=true
 esproposal.optional_chaining=enable
 esproposal.nullish_coalescing=enable
 
-module.system=haste
-module.system.haste.use_name_reducers=true
-# get basename
-module.system.haste.name_reducers='^.*/\([a-zA-Z0-9$_.-]+\.js\(\.flow\)?\)$' -> '\1'
-# strip .js or .js.flow suffix
-module.system.haste.name_reducers='^\(.*\)\.js\(\.flow\)?$' -> '\1'
-# strip .ios suffix
-module.system.haste.name_reducers='^\(.*\)\.ios$' -> '\1'
-module.system.haste.name_reducers='^\(.*\)\.android$' -> '\1'
-module.system.haste.name_reducers='^\(.*\)\.native$' -> '\1'
-module.system.haste.paths.blacklist=.*/__tests__/.*
-module.system.haste.paths.blacklist=.*/__mocks__/.*
-module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Animated/src/polyfills/.*
-module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/Libraries/.*
+module.file_ext=.js
+module.file_ext=.json
+module.file_ext=.ios.js
 
 munge_underscores=true
 
-module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> 'RelativeImageStub'
-
-module.file_ext=.js
-module.file_ext=.jsx
-module.file_ext=.json
-module.file_ext=.native.js
+module.name_mapper='^react-native$' -> '<PROJECT_ROOT>/node_modules/react-native/Libraries/react-native/react-native-implementation'
+module.name_mapper='^react-native/\(.*\)$' -> '<PROJECT_ROOT>/node_modules/react-native/\1'
+module.name_mapper='^[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\)$' -> '<PROJECT_ROOT>/node_modules/react-native/Libraries/Image/RelativeImageStub'
 
 suppress_type=$FlowIssue
 suppress_type=$FlowFixMe
 suppress_type=$FlowFixMeProps
 suppress_type=$FlowFixMeState
 
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)
-suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native[a-z,_]*\\)?)\\)?:? #[0-9]+
-suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native\\(_ios\\)?_\\(oss\\|fb\\)[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(<VERSION>\\)? *\\(site=[a-z,_]*react_native\\(_ios\\)?_\\(oss\\|fb\\)[a-z,_]*\\)?)\\)?:? #[0-9]+
 suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 
+[lints]
+sketchy-null-number=warn
+sketchy-null-mixed=warn
+sketchy-number=warn
+untyped-type-import=warn
+nonstrict-import=warn
+deprecated-type=warn
+unsafe-getters-setters=warn
+inexact-spread=warn
+unnecessary-invariant=warn
+signature-verification-failure=warn
+deprecated-utility=error
+
+[strict]
+deprecated-type
+nonstrict-import
+sketchy-null
+unclear-type
+unsafe-getters-setters
+untyped-import
+untyped-type-import
+
 [version]
-^0.92.0
+^0.105.0

Example/.gitignore

@@ -40,6 +40,7 @@ yarn-error.log
 buck-out/
 \.buckd/
 *.keystore
+!debug.keystore
 
 # fastlane
 #
@@ -54,3 +55,6 @@ buck-out/
 
 # Bundle artifact
 *.jsbundle
+
+# CocoaPods
+/ios/Pods/

Example/.prettierrc.js

@@ -0,0 +1,6 @@
+module.exports = {
+  bracketSpacing: false,
+  jsxBracketSameLine: true,
+  singleQuote: true,
+  trailingComma: 'all',
+};

Example/App.js

@@ -16,6 +16,22 @@ import {
 import { RNNotificationBanner } from "react-native-notification-banner";
 import Icon from "react-native-vector-icons/FontAwesome";
 
+Icon.loadFont('AntDesign.ttf')
+Icon.loadFont('Entypo.ttf')
+Icon.loadFont('EvilIcons.ttf')
+Icon.loadFont('Feather.ttf')
+Icon.loadFont('FontAwesome.ttf')
+Icon.loadFont('FontAwesome5_Brands.ttf')
+Icon.loadFont('FontAwesome5_Regular.ttf')
+Icon.loadFont('FontAwesome5_Solid.ttf')
+Icon.loadFont('Foundation.ttf')
+Icon.loadFont('Ionicons.ttf')
+Icon.loadFont('MaterialIcons.ttf')
+Icon.loadFont('MaterialCommunityIcons.ttf')
+Icon.loadFont('SimpleLineIcons.ttf')
+Icon.loadFont('Octicons.ttf')
+Icon.loadFont('Zocial.ttf')
+
 type Props = {};
 export default class App extends Component<Props> {
   render() {
@@ -73,4 +89,4 @@ const styles = StyleSheet.create({
     alignItems: 'center',
     backgroundColor: '#F5FCFF',
   }
-});
+});

Example/android/app/build.gradle

@@ -18,6 +18,9 @@ import com.android.build.OutputFile
  *   // the entry file for bundle generation
  *   entryFile: "index.android.js",
  *
+ *   // https://facebook.github.io/react-native/docs/performance#enable-the-ram-format
+ *   bundleCommand: "ram-bundle",
+ *
  *   // whether to bundle JS and assets in debug mode
  *   bundleInDebug: false,
  *
@@ -73,10 +76,12 @@ import com.android.build.OutputFile
  */
 
 project.ext.react = [
-    entryFile: "index.js"
+    entryFile: "index.js",
+    enableHermes: false,  // clean and rebuild if changing
 ]
 
 apply from: "../../node_modules/react-native/react.gradle"
+apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"
 
 /**
  * Set this to true to create two separate APKs instead of one:
@@ -93,6 +98,28 @@ def enableSeparateBuildPerCPUArchitecture = false
  */
 def enableProguardInReleaseBuilds = false
 
+/**
+ * The preferred build flavor of JavaScriptCore.
+ *
+ * For example, to use the international variant, you can use:
+ * `def jscFlavor = 'org.webkit:android-jsc-intl:+'`
+ *
+ * The international variant includes ICU i18n library and necessary data
+ * allowing to use e.g. `Date.toLocaleString` and `String.localeCompare` that
+ * give correct results when using with locales other than en-US.  Note that
+ * this variant is about 6MiB larger per architecture than default.
+ */
+def jscFlavor = 'org.webkit:android-jsc:+'
+
+/**
+ * Whether to enable the Hermes VM.
+ *
+ * This should be set on project.ext.react and mirrored here.  If it is not set
+ * on project.ext.react, JavaScript will not be compiled to Hermes Bytecode
+ * and the benefits of using Hermes will therefore be sharply reduced.
+ */
+def enableHermes = project.ext.react.get("enableHermes", false);
+
 android {
     compileSdkVersion rootProject.ext.compileSdkVersion
 
@@ -116,8 +143,22 @@ android {
             include "armeabi-v7a", "x86", "arm64-v8a", "x86_64"
         }
     }
+    signingConfigs {
+        debug {
+            storeFile file('debug.keystore')
+            storePassword 'android'
+            keyAlias 'androiddebugkey'
+            keyPassword 'android'
+        }
+    }
     buildTypes {
+        debug {
+            signingConfig signingConfigs.debug
+        }
         release {
+            // Caution! In production, you need to generate your own keystore file.
+            // see https://facebook.github.io/react-native/docs/signed-apk-android.
+            signingConfig signingConfigs.debug
             minifyEnabled enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }
@@ -126,23 +167,29 @@ android {
     applicationVariants.all { variant ->
         variant.outputs.each { output ->
             // For each separate APK per architecture, set a unique version code as described here:
-            // http://tools.android.com/tech-docs/new-build-system/user-guide/apk-splits
-            def versionCodes = ["armeabi-v7a":1, "x86":2, "arm64-v8a": 3, "x86_64": 4]
+            // https://developer.android.com/studio/build/configure-apk-splits.html
+            def versionCodes = ["armeabi-v7a": 1, "x86": 2, "arm64-v8a": 3, "x86_64": 4]
             def abi = output.getFilter(OutputFile.ABI)
             if (abi != null) {  // null for the universal-debug, universal-release variants
                 output.versionCodeOverride =
                         versionCodes.get(abi) * 1048576 + defaultConfig.versionCode
             }
+
         }
     }
 }
 
 dependencies {
-    implementation project(':react-native-vector-icons')
-    implementation project(':react-native-notification-banner')
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation "com.android.support:appcompat-v7:${rootProject.ext.supportLibVersion}"
     implementation "com.facebook.react:react-native:+"  // From node_modules
+
+    if (enableHermes) {
+        def hermesPath = "../../node_modules/hermes-engine/android/";
+        debugImplementation files(hermesPath + "hermes-debug.aar")
+        releaseImplementation files(hermesPath + "hermes-release.aar")
+    } else {
+        implementation jscFlavor
+    }
 }
 
 // Run this once to be able to run the application with BUCK
@@ -151,3 +198,5 @@ task copyDownloadableDepsToLibs(type: Copy) {
     from configurations.compile
     into 'libs'
 }
+
+apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)

Example/android/app/debug.keystore

@@ -8,10 +8,3 @@
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
 # Add any project specific keep options here:
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}