1 files changed, 12 insertions, 0 deletions
diff --git a/lib/arguments/permission.ts b/lib/arguments/permission.ts
new file mode 100644
index 0000000..98bfe74
--- /dev/null
+++ b/lib/arguments/permission.ts
@@ -0,0 +1,12 @@
+import type { BushArgumentTypeCaster } from '#lib';
+import { PermissionFlagsBits, type PermissionsString } from 'discord.js';
+
+export const permission: BushArgumentTypeCaster<PermissionsString | null> = (_, phrase) => {
+	if (!phrase) return null;
+	phrase = phrase.toUpperCase().replace(/ /g, '_');
+	if (!(phrase in PermissionFlagsBits)) {
+		return null;
+	} else {
+		return phrase as PermissionsString;
+	}
+};