Generate id's with custom length and letters (#48)

.env.example

@@ -1,3 +1,13 @@
+# Id generation ===========================================================
+# If you change this, check the collision probability https://zelark.github.io/nano-id-cc/
+NORAY_OID_LENGTH=21 # For 10 id/hour, 15 trillion years
+# NORAY_OID_LENGTH=4 # For 10 id/hour, 2 days
+# NORAY_OID_LENGTH=5 # For 10 id/hour, 19 days
+# NORAY_OID_LENGTH=6 # For 10 id/hour, 155 days
+NORAY_OID_CHARSET=useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict
+NORAY_PID_LENGTH=128
+NORAY_PID_CHARSET=useandom-26T198340PX75pxJACKVERYMINDBUSHWOLF_GQZbfghjklqvwyzrict
+
 # Socket ======================================================================
 # TCP hostname to listen on
 NORAY_SOCKET_HOST=::1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@foxssake/noray",
-  "version": "1.3.4",
+  "version": "1.4.0",
   "description": "Online multiplayer orchestrator and potential game platform",
   "main": "src/noray.mjs",
   "bin": {

src/config.mjs

@@ -1,6 +1,7 @@
 import * as dotenv from 'dotenv'
 import { byteSize, duration, integer, number, ports } from './config.parsers.mjs'
 import logger, { getLogLevel } from './logger.mjs'
+import { urlAlphabet } from 'nanoid'
 
 dotenv.config()
 
@@ -10,6 +11,16 @@ const env = process.env
 * Noray configuration type.
 */
 export class NorayConfig {
+  oid = {
+    length: integer(env.NORAY_OID_LENGTH) ?? 21,
+    charset: env.NORAY_OID_CHARSET ?? urlAlphabet
+  }
+
+  pid = {
+    length: integer(env.NORAY_PID_LENGTH) ?? 128,
+    charset: env.NORAY_PID_CHARSET ?? urlAlphabet
+  }
+
   socket = {
     host: env.NORAY_SOCKET_HOST ?? '::1',
     port: integer(env.NORAY_SOCKET_PORT) ?? 8890

src/hosts/host.entity.mjs

@@ -2,7 +2,11 @@
 import * as net from 'node:net'
 import * as dgram from 'node:dgram'
 /* eslint-enable */
-import { nanoid } from 'nanoid'
+import * as nanoid from 'nanoid'
+import { config } from '../config.mjs'
+
+const generateOID = nanoid.customAlphabet(config.oid.charset, config.oid.length)
+const generatePID = nanoid.customAlphabet(config.pid.charset, config.pid.length)
 
 /**
 * Host entity.
@@ -46,8 +50,7 @@ export class HostEntity {
   */
   constructor (options) {
     options && Object.assign(this, options)
-
-    this.oid ??= nanoid()
-    this.pid ??= nanoid(128)
+    this.oid ??= generateOID()
+    this.pid ??= generatePID()
   }
 }