Firebase Update

express-server/node_modules/@firebase/webchannel-wrapper/README.md

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+# @firebase/webchannel-wrapper
+
+_NOTE: This is specifically tailored for Firebase JS SDK usage, if you are not a member of the Firebase team, please avoid using this package_
+
+This is a wrapper of some Webchannel Features for the Firebase JS SDK.
+
+## Installation
+
+You can install this wrapper by running the following in your project:
+
+```bash
+$ npm install @firebase/webchannel-wrapper
+```
+
+## Usage
+
+The following 5 modules are exposed for use:
+
+- `createWebChannelTransport`
+- `ErrorCode`
+- `EventType`
+- `WebChannel`
+- `XhrIoPool`
+
+You can include these by doing the following:
+
+**ES Modules**
+
+```javascript
+import { WebChannel } from '@firebase/webchannel-wrapper'
+
+// Do stuff with WebChannel
+```
+
+**CommonJS Modules**
+
+```javascript
+const webchannelWrapper = require('@firebase/webchannel-wrapper');
+
+// Do stuff with webchannelWrapper.ErrorCode, webchannelWrapper.EventType, etc 
+```