Fixed MongoDBCollection#watch on React Native (#4155)

* Add react-native output to realm-network-transport

* Sending non-standard fetch option on react-native

* Adding a runtime check for expected globals

* Adding documentation

* Adding a note to the changelog

* Upgrade the version or realm-network-transport

* Published realm-network-transport v0.7.1

.eslintrc.json

@@ -6,7 +6,7 @@
     "./header.eslintrc"
   ],
   "env": {
-    "es2017": true
+    "es2020": true
   },
   "parserOptions": {
     "ecmaVersion": 2018

CHANGELOG.md

@@ -9,6 +9,9 @@ x.x.x Release notes (yyyy-MM-dd)
 * Queries of the form `link.collection.@sum = 0` where `link` is `null` matched when `collection` was a List or Set, but not a Dictionary ([realm/realm-core#5080](https://github.com/realm/realm-core/pull/5080), since v10.5.0)
 * Type methods defined in `collection-methods.js` no longer throw `Realm not defined` errors in some environments ([#4029](https://github.com/realm/realm-js/issues/4029), [#3991](https://github.com/realm/realm-js/issues/3991), since v10.5.0)
 * Fixed a bug in `Realm.App.emailPasswordAuth.callResetPasswordFunction()` which could lead to the error `Error: Error: resetDetails must be of type 'object', got (user@example.com)`. ([#4143](https://github.com/realm/realm-js/issues/4143), since v10.10.0)
+* Fixed `MongoDBCollection#watch` on React Native (https://github.com/realm/realm-js/issues/3494, since v10.0.0). To use this, you must install:
+  1. Polyfills for `fetch`, `ReadableStream` and `TextDecoder`: https://www.npmjs.com/package/react-native-polyfill-globals
+  2. Babel plugin enabling async generator syntax: https://npmjs.com/package/@babel/plugin-proposal-async-generator-functions
 
 ### Compatibility
 * MongoDB Realm Cloud.

docs/sync.js

@@ -1319,6 +1319,11 @@ class MongoDBCollection {
    * By default, yields all change events for this collection. You may specify at most one of
    * the `filter` or `ids` options.
    *
+   * Important Note: To use this on React Native, you must install:
+   *
+   * 1. Polyfills for `fetch`, `ReadableStream` and `TextDecoder`: {@link https://www.npmjs.com/package/react-native-polyfill-globals}
+   * 2. Babel plugin enabling async generator syntax: {@link https://npmjs.com/package/@babel/plugin-proposal-async-generator-functions}
+   *
    * @param {object} [options={}]
    * @param {object} [options.filter] A filter for which change events you are interested in.
    * @param {any[]} [options.ids] A list of ids that you are interested in watching