4 files changed, 15 insertions, 9 deletions
diff --git a/src/commands/leveling/leaderboard.ts b/src/commands/leveling/leaderboard.ts
index eb8b90c..0871811 100644
--- a/src/commands/leveling/leaderboard.ts
+++ b/src/commands/leveling/leaderboard.ts
@@ -1,4 +1,5 @@
 import { BushCommand, ButtonPaginator, Level, type ArgType, type BushMessage, type BushSlashMessage } from '#lib';
+import assert from 'assert';
 import { ApplicationCommandOptionType, Embed, PermissionFlagsBits } from 'discord.js';
 
 export default class LeaderboardCommand extends BushCommand {
@@ -28,7 +29,8 @@ export default class LeaderboardCommand extends BushCommand {
 	}
 
 	public override async exec(message: BushMessage | BushSlashMessage, args: { page: ArgType<'integer'> }) {
-		if (!message.guild) return await message.util.reply(`${util.emojis.error} This command can only be run in a server.`);
+		assert(message.inGuild());
+
 		if (!(await message.guild.hasFeature('leveling')))
 			return await message.util.reply(
 				`${util.emojis.error} This command can only be run in servers with the leveling feature enabled.${
@@ -43,7 +45,7 @@ export default class LeaderboardCommand extends BushCommand {
 			(val, index) => `\`${index + 1}\` <@${val.user}> - Level ${val.level} (${val.xp.toLocaleString()} xp)`
 		);
 		const chunked = util.chunk(mappedRanks, 25);
-		const embeds = chunked.map((c) => new Embed().setTitle(`${message.guild!.name}'s Leaderboard`).setDescription(c.join('\n')));
+		const embeds = chunked.map((c) => new Embed().setTitle(`${message.guild.name}'s Leaderboard`).setDescription(c.join('\n')));
 		return await ButtonPaginator.send(message, embeds, undefined, true, args?.page ?? undefined);
 	}
 }
diff --git a/src/commands/leveling/level.ts b/src/commands/leveling/level.ts
index 271c3f6..803703e 100644
--- a/src/commands/leveling/level.ts
+++ b/src/commands/leveling/level.ts
@@ -47,7 +47,8 @@ export default class LevelCommand extends BushCommand {
 	}
 
 	public override async exec(message: BushMessage | BushSlashMessage, args: { user: OptionalArgType<'user'> }) {
-		if (!message.guild) return await message.util.reply(`${util.emojis.error} This command can only be run in a server.`);
+		assert(message.inGuild());
+
 		if (!(await message.guild.hasFeature('leveling')))
 			return await message.util.reply(
 				`${util.emojis.error} This command can only be run in servers with the leveling feature enabled.${
@@ -59,7 +60,7 @@ export default class LevelCommand extends BushCommand {
 		const user = args.user ?? message.author;
 		try {
 			return await message.util.reply({
-				files: [new MessageAttachment(await this.getImage(user, message.guild!), 'level.png')]
+				files: [new MessageAttachment(await this.getImage(user, message.guild), 'level.png')]
 			});
 		} catch (e) {
 			if (e instanceof Error && e.message === 'User does not have a level') {
diff --git a/src/commands/leveling/setLevel.ts b/src/commands/leveling/setLevel.ts
index 1016280..e74d885 100644
--- a/src/commands/leveling/setLevel.ts
+++ b/src/commands/leveling/setLevel.ts
@@ -1,4 +1,5 @@
 import { AllowedMentions, BushCommand, Level, type ArgType, type BushMessage, type BushSlashMessage } from '#lib';
+import assert from 'assert';
 import { ApplicationCommandOptionType, PermissionFlagsBits } from 'discord.js';
 
 export default class SetLevelCommand extends BushCommand {
@@ -38,10 +39,11 @@ export default class SetLevelCommand extends BushCommand {
 		message: BushMessage | BushSlashMessage,
 		{ user, level }: { user: ArgType<'user'>; level: ArgType<'integer'> }
 	) {
-		if (!message.guild) return await message.util.reply(`${util.emojis.error} This command can only be run in a guild.`);
-		if (!user.id) throw new Error('user.id is null');
+		assert(message.inGuild());
+		assert(user.id);
 
-		if (isNaN(level)) return await message.util.reply(`${util.emojis.error} Provide a valid number to set the user's level to.`);
+		if (isNaN(level) || !Number.isInteger(level))
+			return await message.util.reply(`${util.emojis.error} Provide a valid number to set the user's level to.`);
 		if (level > 6553 || level < 0)
 			return await message.util.reply(`${util.emojis.error} You cannot set a level higher than \`6553\`.`);
 
diff --git a/src/commands/leveling/setXp.ts b/src/commands/leveling/setXp.ts
index a86c58a..7b1b432 100644
--- a/src/commands/leveling/setXp.ts
+++ b/src/commands/leveling/setXp.ts
@@ -1,4 +1,5 @@
 import { AllowedMentions, BushCommand, Level, type ArgType, type BushMessage, type BushSlashMessage } from '#lib';
+import assert from 'assert';
 import { ApplicationCommandOptionType, PermissionFlagsBits } from 'discord.js';
 
 export default class SetXpCommand extends BushCommand {
@@ -39,8 +40,8 @@ export default class SetXpCommand extends BushCommand {
 		message: BushMessage | BushSlashMessage,
 		{ user, xp }: { user: ArgType<'user'>; xp: ArgType<'abbreviatedNumber'> }
 	) {
-		if (!message.guild) return await message.util.reply(`${util.emojis.error} This command can only be run in a guild.`);
-		if (!user.id) throw new Error('user.id is null');
+		assert(message.inGuild());
+		assert(user.id);
 
 		if (isNaN(xp)) return await message.util.reply(`${util.emojis.error} Provide a valid number.`);
 		if (xp > 2147483647 || xp < 0)