Add options for websocket connectivity

Author: gionatamettifogo

src/types.ts

@@ -47,6 +47,14 @@ export interface SQLiteCloudConfig {
   /** Custom options and configurations for tls socket, eg: additional certificates */
   tlsOptions?: tls.ConnectionOptions
 
+  /** Custom options and configurations for socket.io connections */
+  websocketOptions?: {
+    /** True if we should force use of SQLite Cloud Gateway and websocket connections, default: true in browsers, false in node.js */
+    useWebsocket?: boolean
+    /** Url where we can connect to a SQLite Cloud Gateway that has a socket.io deamon waiting to connect, eg. ws://host:4000 */
+    gatewayUrl?: string
+  }
+
   /** Optional identifier used for verbose logging */
   clientId?: string
   /** True if connection should enable debug logs */

test/connection-ws.test.ts

@@ -54,17 +54,13 @@ describe('connection-ws', () => {
 
     it('should connect with config object string', done => {
       const configObj = getChinookConfig()
-      const conn = new SQLiteCloudWebsocketConnection(configObj, error => {
-        expect(error).toBeNull()
-        expect(conn.connected).toBe(true)
-
-        chinook.sendCommands('TEST STRING', (error, results) => {
-          conn.close()
-          expect(conn.connected).toBe(false)
-          done()
-        })
+      const connection = new SQLiteCloudWebsocketConnection(configObj)
+      expect(connection).toBeDefined()
+      connection.sendCommands('TEST STRING', (error, results) => {
+        connection.close()
+        expect(connection.connected).toBe(false)
+        done()
       })
-      expect(conn).toBeDefined()
     })
 
     it('should connect with connection string', done => {