"forward port" changes from 4.6.9

examples/dump-and-restore.js

@@ -1,22 +1,26 @@
 // This example demonstrates the use of the DUMP and RESTORE commands
 
-import { commandOptions, createClient } from 'redis';
+import { createClient, RESP_TYPES } from 'redis';
 
-const client = createClient();
-await client.connect();
+const client = await createClient({
+  commandOptions: {
+    typeMapping: {
+      [RESP_TYPES.BLOB_STRING]: Buffer
+    }
+  }
+}).on('error', err => {
+  console.log('Redis Client Error', err);
+}).connect();
 
 // DUMP a specific key into a local variable
-const dump = await client.dump(
-    commandOptions({ returnBuffers: true }),
-    'source'
-);
+const dump = await client.dump('source');
 
 // RESTORE into a new key
 await client.restore('destination', 0, dump);
 
 // RESTORE and REPLACE an existing key
 await client.restore('destination', 0, dump, {
-    REPLACE: true
+  REPLACE: true
 });
 
-await client.quit();
+await client.close();