feat: Sync to OSS repo

apps/api/app/utils/hook.ts

@@ -0,0 +1,64 @@
+import type {
+	Env,
+	ValidationTargets,
+	Context,
+	TypedResponse,
+	Input,
+	MiddlewareHandler
+} from 'hono';
+import { ZodError, ZodSchema, z } from 'zod';
+
+type Hook<
+	T,
+	E extends Env,
+	P extends string,
+	Target extends keyof ValidationTargets = keyof ValidationTargets,
+	O = {}
+> = (
+	result: (
+		| {
+				success: true;
+				data: T;
+		  }
+		| {
+				success: false;
+				error: ZodError;
+				data: T;
+		  }
+	) & {
+		target: Target;
+	},
+	c: Context<E, P>
+) => Response | void | TypedResponse<O> | Promise<Response | void | TypedResponse<O>>;
+type HasUndefined<T> = undefined extends T ? true : false;
+declare const zValidator: <
+	T extends ZodSchema<any, z.ZodTypeDef, any>,
+	Target extends keyof ValidationTargets,
+	E extends Env,
+	P extends string,
+	In = z.input<T>,
+	Out = z.output<T>,
+	I extends Input = {
+		in: HasUndefined<In> extends true
+			? {
+					[K in Target]?:
+						| (In extends ValidationTargets[K]
+								? In
+								: { [K2 in keyof In]?: ValidationTargets[K][K2] | undefined })
+						| undefined;
+				}
+			: {
+					[K_1 in Target]: In extends ValidationTargets[K_1]
+						? In
+						: { [K2_1 in keyof In]: ValidationTargets[K_1][K2_1] };
+				};
+		out: { [K_2 in Target]: Out };
+	},
+	V extends I = I
+>(
+	target: Target,
+	schema: T,
+	hook?: Hook<z.TypeOf<T>, E, P, Target, {}> | undefined
+) => MiddlewareHandler<E, P, V>;
+
+export { type Hook, zValidator };