Merge pull request #3 from inotflying/patch-1

feat(pingJava): The ability to set a specific protocol version in the parameters. According to https://wiki.vg/Server_List_Ping#:~:text=0x00-,Protocol%20Version,-VarInt

lib/java.js

@@ -8,16 +8,15 @@
 import net from 'net';
 import varint from './varint.js';
 
-const PROTOCOL_VERSION = 0;
-
 /**
  * Ping a Minecraft Java server.
  * @param {string} host The host of the Java server.
  * @param {number} [port=25565] The port of the Java server.
  * @param {function} cb The callback function to handle the ping response.
  * @param {number} [timeout=5000] The timeout duration in milliseconds.
+ * @param {number} [protocolVersion=-1] The protocol version of the Java client.
  */
-function ping(host, port = 25565, cb, timeout = 5000) {
+function ping(host, port = 25565, cb, timeout = 5000, protocolVersion = -1) {
     const socket = net.createConnection(({ host, port }));
 
     // Set manual timeout interval.
@@ -56,7 +55,7 @@ function ping(host, port = 25565, cb, timeout = 5000) {
     socket.on('connect', () => {
         const handshake = varint.concat([
             varint.encodeInt(0),
-            varint.encodeInt(PROTOCOL_VERSION),
+            varint.encodeInt(protocolVersion),
             varint.encodeInt(host.length),
             varint.encodeString(host),
             varint.encodeUShort(port),
@@ -118,7 +117,7 @@ function ping(host, port = 25565, cb, timeout = 5000) {
 
 /**
  * Asynchronously ping Minecraft Java server.
- * The optional `options` argument can be an object with a `ping` (default is `25565`) or/and `timeout` (default is `5000`) property.
+ * The optional `options` argument can be an object with a `port` (default is `25565`) or/and `timeout` (default is `5000`) or/and `protocolVersion` (default is `-1`) property.
  * @param {string} host The Java server address.
  * @param {import('../types/index.js').PingOptions} options The configuration for pinging Minecraft Java server.
  * @returns {Promise<import('../types/index.js').JavaPingResponse>}
@@ -126,11 +125,11 @@ function ping(host, port = 25565, cb, timeout = 5000) {
 export function pingJava(host, options = {}) {
     if (!host) throw new Error('Host argument is not provided');
 
-    const { port = 25565, timeout = 5000 } = options;
+    const { port = 25565, timeout = 5000, protocolVersion = -1 } = options;
 
     return new Promise((resolve, reject) => {
         ping(host, port, (res, err) => {
             err ? reject(err) : resolve(res);
-        }, timeout);
+        }, timeout, protocolVersion);
     });
 }

types/lib/bedrock.d.ts

@@ -2,7 +2,7 @@
  * @param port The server port.
  * @param timeout The read/write socket timeout.
  */
-export type PingOptions = {
+export type BedrockPingOptions = {
     port: number,
     timeout: number;
 };
@@ -45,5 +45,5 @@ export type BedrockPingResponse = {
  * ```
  * @see [source](https://github.com/minescope/mineping/blob/915edbec9c9ad811459458600af3531ec0836911/lib/bedrock.js#L204)
  */
-export function pingBedrock(host: string, options?: PingOptions): Promise<BedrockPingResponse>;
+export function pingBedrock(host: string, options?: BedrockPingOptions): Promise<BedrockPingResponse>;
 

types/lib/java.d.ts

@@ -1,4 +1,13 @@
-import { PingOptions } from "./bedrock";
+/**
+ * @param port The server port.
+ * @param timeout The read/write socket timeout.
+ * @param protocolVersion The protocol version.
+ */
+export type JavaPingOptions = {
+    port: number,
+    timeout: number,
+    protocolVersion: number;
+};
 
 /**
  * JSON format chat component used for description field.
@@ -67,5 +76,5 @@ export type JavaPingResponse = {
  * ```
  * @see [source](https://github.com/minescope/mineping/blob/915edbec9c9ad811459458600af3531ec0836911/lib/java.js#L117)
  */
-export function pingJava(host: string, options?: PingOptions): Promise<JavaPingResponse>;
+export function pingJava(host: string, options?: JavaPingOptions): Promise<JavaPingResponse>;