expand spot public socket support

examples/ws-public.ts

@@ -0,0 +1,55 @@
+import { DefaultLogger } from '../src';
+import { WebsocketClient, wsKeySpotPublic } from '../src/websocket-client';
+
+// or
+// import { DefaultLogger, WebsocketClient } from 'bybit-api';
+
+(async () => {
+  const logger = {
+    ...DefaultLogger,
+    // silly: () => {},
+  };
+
+  const wsClient = new WebsocketClient({
+    // key: key,
+    // secret: secret,
+    // market: 'inverse',
+    // market: 'linear',
+    market: 'spot',
+  }, logger);
+
+  wsClient.on('update', (data) => {
+    console.log('raw message received ', JSON.stringify(data, null, 2));
+  });
+
+  wsClient.on('open', (data) => {
+    console.log('connection opened open:', data.wsKey);
+
+    if (data.wsKey === wsKeySpotPublic) {
+      // Spot public.
+      // wsClient.subscribePublicSpotTrades('BTCUSDT');
+      // wsClient.subscribePublicSpotTradingPair('BTCUSDT');
+      // wsClient.subscribePublicSpotV1Kline('BTCUSDT', '1m');
+      // wsClient.subscribePublicSpotOrderbook('BTCUSDT', 'full');
+    }
+  });
+  wsClient.on('response', (data) => {
+    console.log('log response: ', JSON.stringify(data, null, 2));
+  });
+  wsClient.on('reconnect', ({ wsKey }) => {
+    console.log('ws automatically reconnecting.... ', wsKey);
+  });
+  wsClient.on('reconnected', (data) => {
+    console.log('ws has reconnected ', data?.wsKey );
+  });
+
+  // Inverse
+  // wsClient.subscribe('trade');
+
+  // Linear
+  // wsClient.subscribe('trade.BTCUSDT');
+
+  // For spot, request public connection first then send required topics on 'open'
+  // wsClient.connectPublic();
+
+})();