Function createSafeAction

src/lib/create-safe-action.ts:19–34

(
  schema: z.Schema<TInput>,
  handler: (validatedData: TInput) => Promise<ActionState<TInput, TOutput>>,
)

};

export const createSafeAction = <TInput, TOutput>(
  schema: z.Schema<TInput>,
  handler: (validatedData: TInput) => Promise<ActionState<TInput, TOutput>>,
) => {
  return async (data: TInput): Promise<ActionState<TInput, TOutput>> => {
    const validationResult = schema.safeParse(data);
    if (!validationResult.success) {
      return {
        fieldErrors: validationResult.error.flatten()
          .fieldErrors as FieldErrors<TInput>,
      };
    }

    return handler(validationResult.data);
  };
};