[10.20.0-alpha.1] Bump version

.gitignore

@@ -44,6 +44,8 @@ yarn.lock
 # Android/IJ
 /android
 /react-native/android/src/main/jni/core
+/react-native/android/.cxx/
+/build-android/
 .idea
 .gradle
 local.properties
@@ -86,7 +88,6 @@ integration-tests/**/.lock
 /react-native/android/src/main/jni/src/
 /build-tmp*/
 /cmakebuild/
-/build-realm-android/
 /react-native/android/src/main/java/io/realm/react/Version.java
 /react-native/android/src/main/jniLibs/
 /realm*.tgz

CHANGELOG.md

@@ -1,14 +1,33 @@
-10.20.0-alpha.0 Release notes (2021-9-1)
+10.20.0-alpha.1 Release notes (2021-9-22)
 =============================================================
 NOTE: DO NOT USE THIS RELEASE IN PRODUCTION!
-NOTE: This is an early (alpha) release with Hermes/JSI support. Only iOS is supported and we expect crashes and bugs.
-
+NOTE: This is an early (alpha) release with Hermes/JSI support: We expect crashes and bugs.
 
 ### Enhancements
+* Adding support for Hermes on Android.
+
+### Fixed
 * None.
 
+### Compatibility
+* MongoDB Realm Cloud.
+* Realm Studio v11.0.0.
+* APIs are backwards compatible with all previous releases of Realm JavaScript in the 10.5.x series.
+* File format: generates Realms with format v22 (reads and upgrades file format v5 or later for non-synced Realm, upgrades file format v10 or later for synced Realms).
+
+### Internal
+* Lint react-native templates and ensure they are checked by the CI.
+* Small fix to Jenkins to publish Docker image for Raspberry Pi.
+
+10.20.0-alpha.0 Release notes (2021-9-2)
+=============================================================
+NOTE: DO NOT USE THIS RELEASE IN PRODUCTION!
+NOTE: This is an early (alpha) release with Hermes/JSI support. Only iOS is supported and we expect crashes and bugs.
+
+### Enhancements
+* Adding support for Hermes (iOS only).
+
 ### Fixed
-* <How to hit and notice issue? what was the impact?> ([#????](https://github.com/realm/realm-js/issues/????), since v?.?.?)
 * None.
 
 ### Compatibility

CMakeLists.txt

@@ -64,6 +64,8 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 
+set(PACKAGE_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+
 if(DEFINED CMAKE_JS_VERSION)
     include(NodeJSTargets)
 endif()

dependencies.list

@@ -1,5 +1,5 @@
 PACKAGE_NAME=realm-js
-VERSION=10.20.0-alpha.0
+VERSION=10.20.0-alpha.1
 REALM_CORE_VERSION=11.6.1
 NAPI_VERSION=4
 OPENSSL_VERSION=1.1.1g

integration-tests/environments/react-native/android/app/build.gradle

@@ -78,7 +78,7 @@ import com.android.build.OutputFile
  */
 
 project.ext.react = [
-    enableHermes: false,  // clean and rebuild if changing
+    enableHermes: true,  // clean and rebuild if changing
 ]
 
 apply from: "../../node_modules/react-native/react.gradle"

integration-tests/environments/react-native/src/App.js

@@ -39,6 +39,7 @@ ErrorUtils.setGlobalHandler((err, isFatal) => {
 });
 
 const mode = typeof DedicatedWorkerGlobalScope === "undefined" ? "native" : "chrome-debugging";
+const engine = global.HermesInternal ? "hermes" : "jsc";
 
 export class App extends Component {
   state = { status: "disconnected" };
@@ -153,7 +154,7 @@ export class App extends Component {
 
   prepareTests() {
     this.client = new Client({
-      title: `React-Native on ${Platform.OS} (${mode})`,
+      title: `React-Native on ${Platform.OS} (${mode} using ${engine})`,
       tests: (context) => {
         /* eslint-env mocha */
         if (typeof context.mode === "string" && context.mode !== mode) {

lib/collection-methods.js

@@ -50,6 +50,12 @@ Object.defineProperty(iteratorPrototype, Symbol.iterator, {
   var method = arrayPrototype[methodName];
   if (method) {
     exports[methodName] = {
+      // XXX this is a temporary solution/hack to work around the fact that Hermes' implementation of Array does not
+      // like it when you call one of its methods bound to a non-array. We were calling them on our Collection types.
+      // This code is just copying the collection to a real array, then calling the method on that. Instead, we should
+      // find a way to operate on the collection directly, possibly by using our own implementation of the array methods,
+      // possibly copied from a polyfill lib. This is particularly bad for things like find() that may not need to look
+      // at the whole collection but we are copying the whole thing anyway.
       value(...args) {
         return [...this][methodName](...args);
       },

lib/react-native.js

@@ -0,0 +1,51 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2021 Realm Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////
+
+// eslint sourceType: module
+
+import { Platform, NativeModules } from "react-native";
+
+//switch how babel transpiled code creates children objects.
+//Inheriting from Realm.Object with class syntax does not support using Reflect.construct the way babel transpiles it.
+//Defining Reflect.construct.sham makes the transpiled code use different standard mechanism for inheriting. (Function.apply with setPrototypeOf)
+if (typeof Reflect !== "undefined" && Reflect.construct) {
+  Reflect.construct.sham = 1;
+}
+
+if (Platform.OS === "android") {
+  // Getting the native module on Android will inject the Realm global (on Android)
+  const RealmNativeModule = NativeModules.Realm;
+  console.log({ RealmNativeModule, Realm: global.Realm });
+}
+
+// Otherwise, we must be in a "normal" react native situation.
+// In that case, the Realm type should have been injected by the native code.
+// If it hasn't, the user likely forgot to install the RealmJS CocoaPod
+if (typeof global.Realm === "undefined") {
+  throw new Error(
+    'Missing Realm constructor. Did you run "pod install"? Please see https://realm.io/docs/react-native/latest/#missing-realm-constructor for troubleshooting',
+  );
+}
+
+require("./extensions")(global.Realm);
+
+const utils = require("./utils");
+const versions = utils.getVersions();
+global.Realm.App._setVersions(versions);
+
+module.exports = global.Realm;