Better error handling

src/tools/add-emoji.ts

@@ -18,8 +18,8 @@ const args = process.argv.slice(2);
 const name = args[0];
 const url = args[1];
 
-if (!name) throw 'require name';
-if (!url) throw 'require url';
+if (!name) throw new Error('require name');
+if (!url) throw new Error('require url');
 
 main(name, url).then(() => {
 	console.log('success');

src/tools/show-signin-history.ts

@@ -15,7 +15,7 @@ async function main(username: string, headers?: string[]) {
 		usernameLower: username.toLowerCase(),
 	});
 
-	if (user == null) throw 'User not found';
+	if (user == null) throw new Error('User not found');
 
 	const history = await Signins.find({
 		userId: user.id