Trust getPrefix()'s result instead of re-checking startsWith(prefix), which duplicated logic and broke prefixCaseInsensitive

Author: Daaisukidayo

dist/handlers/events/messageCreate.js

@@ -13,7 +13,7 @@ export default new DiscordEventHandler({
     listener: async function (message) {
         const prefix = await this.getPrefix(message)
         const content = message.content.trim()
-        const hasPrefix = !!prefix && content.startsWith(prefix)
+        const hasPrefix = prefix !== null
         const rawArgs = (hasPrefix ? content.slice(prefix!.length) : content).trim().split(/ +/g)
         const name = rawArgs[0]?.toLowerCase()
 
@@ -22,8 +22,8 @@ export default new DiscordEventHandler({
                 // Allow always execute commands
                 !cmd.name ||
                 // Check if it matches the command name or one of aliases
-                ((cmd.name === name || 
-                    !!cmd.data.aliases?.includes(name!)) &&
+                ((cmd.name === name || !!cmd.data.aliases?.includes(name!)) &&
+                    // If unprefixed there can be no prefix
                     (cmd.data.unprefixed ? true : hasPrefix))
         )