finish packaging $lib; add validate, backroom packages

2025-04-13 18:52:59 -06:00
parent 298ce6954b
commit d3bf5a61c0
3 changed files with 103 additions and 0 deletions
--- a/sanitize.ts
+++ b/sanitize.ts
@@ -0,0 +1,17 @@
+export function sanitize(data: FormData, key: string): string;
+export function sanitize<Fallback>(
+	data: FormData,
+	key: string,
+	fallback: Fallback
+): string | Fallback;
+export function sanitize<Fallback>(
+	data: FormData,
+	key: string,
+	fallback?: Fallback
+): string | Fallback {
+	const val = data.get(key);
+	if (val !== null) return val.toString().trim();
+
+	if (fallback !== undefined) return fallback;
+	throw new Error(`Missing required field: ${key}`);
+}