fix case sensitivity of unprefixed messageCreate commands

Author: Daaisukidayo

dist/handlers/events/messageCreate.js

@@ -12,12 +12,10 @@ export default new DiscordEventHandler({
     description: "This event is fired when someone sends a message",
     listener: async function (message) {
         const prefix = await this.getPrefix(message)
-
-        const args = message.content
-            .slice(prefix?.length ?? 0)
-            .trim()
-            .split(/ +/g)
-        const name = prefix ? args.shift()?.toLowerCase() : args[0]
+        const content = message.content.trim()
+        const hasPrefix = prefix !== null
+        const rawArgs = (hasPrefix ? content.slice(prefix!.length) : content).trim().split(/ +/g)
+        const name = rawArgs[0]?.toLowerCase()
 
         const commands = this.commands.get("messageCreate").filter(
             // Allow always execute commands
@@ -26,10 +24,12 @@ export default new DiscordEventHandler({
                 (// Check if it matches the command name or one of aliases
                     (cmd.name === name || !!cmd.data.aliases?.includes(name!)) &&
                     // If unprefixed there can be no prefix
-                    (cmd.data.unprefixed ? true : !!prefix))
+                    (cmd.data.unprefixed ? true : hasPrefix))
         )
 
         for (const command of commands) {
+            const args = command.name ? rawArgs.slice(1) : rawArgs
+
             Interpreter.run({
                 obj: message,
                 command,