Implement polyfill for globalThis

CHANGELOG.md

@@ -181,6 +181,7 @@ const Person = {
 * Logging out too quickly can cause an error if the timeout behavior is set to `openLocalRealm` ([#4453](https://github.com/realm/realm-js/issues/4453), since v10.0.0)
 * Released `realm-network-transport` to adopt the changes published to fix `globalThis` undefined issue for older devices. ([#4350](https://github.com/realm/realm-js/issues/4350), since v10.0.0)
 * Fixed flexible sync crash when updating subscriptions after token expiry. ([#4421](https://github.com/realm/realm-js/issues/4421), since v10.12.0)
+* Fixed remaining uses of `globalThis` undefined issue, causing Realm to not load on iOS 11/12. ([#4350](https://github.com/realm/realm-js/issues/4350))
 
 ### Compatibility
 * MongoDB Realm Cloud.
@@ -201,7 +202,7 @@ const Person = {
 
 ### Fixed
 * Fixed issue that could cause mangling of binary data on a roundtrip to/from the database ([#4278](https://github.com/realm/realm-js/issues/4278), since v10.1.4).
-* Fixed `globalThis` undefined issue for older devices. ([#4350](https://github.com/realm/realm-js/4350))
+* Fixed `globalThis` undefined issue for older devices. ([#4350](https://github.com/realm/realm-js/issues/4350))
 * Fixed a fatal sync error `Automatic recovery failed` during DiscardLocal client reset if the reset notifier callbacks were not set to something. ([realm/realm-core#5223](https://github.com/realm/realm-core/issues/5223), since v10.10.0)
 * Changed parsed queries using the `between` operator to be inclusive of the limits, a closed interval instead of an open interval. This is to conform to the published documentation and for parity with NSPredicate's definition. ([realm/realm-core#5262](https://github.com/realm/realm-core/issues/5262), since v10.7.0)
 * If a list of objects contains links to objects not included in the synchronized partition, the indices contained in the listener callback could be wrong. ([realm/realm-core#5164](https://github.com/realm/realm-core/issues/5164), since v10.0.0)

lib/mongo-client.js

@@ -18,6 +18,7 @@
 
 const { EJSON } = require("bson");
 const { DefaultNetworkTransport } = require("realm-network-transport");
+const { safeGlobalThis } = require("@realm.io/common");
 
 const { cleanArguments, getEnvironment } = require("./utils");
 
@@ -29,7 +30,7 @@ function ensureWatchDependencies() {
   if (environment === "reactnative") {
     const EXPECTED_GLOBALS = ["fetch", "ReadableStream", "TextDecoder"];
     for (const name of EXPECTED_GLOBALS) {
-      if (!(name in globalThis)) {
+      if (!(name in safeGlobalThis)) {
         throw new Error(
           `Realm expects the ${name} global: Please use https://www.npmjs.com/package/react-native-polyfill-globals`,
         );

package.json

@@ -79,7 +79,7 @@
     "postinstall": "node scripts/submit-analytics.js"
   },
   "dependencies": {
-    "@realm.io/common": "^0.1.1",
+    "@realm.io/common": "^0.1.3",
     "bindings": "^1.5.0",
     "bson": "4.4.1",
     "clang-format": "^1.6.0",