Migrated auth to Nitro

server/utils/auth-validation.ts

@@ -0,0 +1,42 @@
+type AuthField = {
+	name: string
+	email?: boolean
+	minimumLength?: number
+}
+
+function receivedType(value: unknown) {
+	if (value === null) return "null"
+	if (Array.isArray(value)) return "array"
+	return typeof value
+}
+
+/** Match the first-issue messages returned by the legacy Zod validation hook. */
+export function getAuthValidationMessage(body: unknown, fields: AuthField[]) {
+	if (!body || typeof body !== "object" || Array.isArray(body)) {
+		return body === undefined ? "Required" : `Expected object, received ${receivedType(body)}`
+	}
+
+	for (const field of fields) {
+		const value = (body as Record<string, unknown>)[field.name]
+		if (typeof value !== "string") {
+			return value === undefined
+				? "Required"
+				: `Expected string, received ${receivedType(value)}`
+		}
+
+		if (
+			field.email &&
+			!/^(?!\.)(?!.*\.\.)([A-Z0-9_'+\-.]*)[A-Z0-9_+-]@([A-Z0-9][A-Z0-9-]*\.)+[A-Z]{2,}$/i.test(
+				value,
+			)
+		) {
+			return "Invalid email"
+		}
+
+		if (field.minimumLength && value.length < field.minimumLength) {
+			return `String must contain at least ${field.minimumLength} character(s)`
+		}
+	}
+
+	return null
+}