fix: default IP family selection to 0 (#2028)

A 30th birthday gift to IPv6.

Closes: #2026

Author: slagiewka

lib/redis/RedisOptions.ts

@@ -213,7 +213,7 @@ export const DEFAULT_REDIS_OPTIONS: RedisOptions = {
   // Connection
   port: 6379,
   host: "localhost",
-  family: 4,
+  family: 0,
   connectTimeout: 10000,
   disconnectTimeout: 2000,
   retryStrategy: function (times) {

test/unit/redis.ts

@@ -14,7 +14,7 @@ describe("Redis", () => {
         option = getOption();
         expect(option).to.have.property("port", 6379);
         expect(option).to.have.property("host", "localhost");
-        expect(option).to.have.property("family", 4);
+        expect(option).to.have.property("family", 0);
 
         option = getOption(6380);
         expect(option).to.have.property("port", 6380);