Parse command line arguments

src/constants.ts

@@ -1,16 +1 @@
-/*
-The level for the logger to display, can be one of the following:
-	"silly"
-	"debug"
-	"info"
-	"error"
-	"warn"
-	"fatal"
-	"trace"
-defaults to "info"
-*/
-export const LOG_LEVEL: log_level = `silly`;
 export const LOG_NAME: string = `Secret Hitler`;
-
-
-export const WSS_PORT: number = 3000;

src/main.ts

@@ -1,8 +1,10 @@
+import arg from "arg";
 import { Logger } from "tslog";
 import * as sio from "socket.io";
 import { writeFileSync } from "fs";
 import { Game } from "./utils/Game";
 import { Vote } from "./events/Vote";
+import { LOG_NAME } from "./constants";
 import { KillGame } from "./events/KillGame";
 import { JoinGame } from "./events/JoinGame";
 import { HostGame } from "./events/HostGame";
@@ -18,14 +20,32 @@ import { ChancellorPolicy } from "./events/ChancellorPolicy";
 import { PresidentPolicies } from "./events/PresidentPolicies";
 import { ChancellorNomination } from "./events/ChancellorNomination";
 import { ExecutiveConfirmation } from "./events/ExecutiveConfirmation";
-import { LOG_LEVEL, LOG_NAME, WSS_PORT } from "./constants";
+
+
+// Argument parsing
+const args = arg({
+	"--port": Number,
+	"--log": String,
+
+	// Aliases
+	"-l": "--log",
+	"-p": "--port",
+	"--level": "--log"
+});
+const LOG_LEVEL: log_level = args["--log"] as log_level || `info`;
+const WSS_PORT = args["--port"] || 3000;
+
+// Ensure the log level is valid
+if (![`silly`,`debug`,`info`,`error`,`warn`,`fatal`,`trace`].includes(LOG_LEVEL)) {
+	throw new Error(`Invalid log level: ${LOG_LEVEL}`)
+}
 
 export var log: Logger = new Logger({
 	displayFunctionName: false,
 	displayLoggerName: false,
 	displayFilePath: `hidden`,
 	displayLogLevel: true,
-	minLevel: LOG_LEVEL || `info`,
+	minLevel: LOG_LEVEL,
 	name: LOG_NAME,
 });