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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | 1x 1x 2x 2x 3x 9x | import { pipe } from "@benneq/function";
import { flatMap, limit } from "@benneq/iterable";
import { ConstraintViolation, Validator } from "./_types";
/**
*
* @example
* Check if `value` is positive and even
* ```ts
* const chainedValidator = validate(chain(
* valueValidator(isPositive, "err1"),
* valueValidator(isEven, "err2")
* ));
* const result = chainedValidator(-1);
* console.log(result); // [{ path: "$", message: "err1", value: -1 }]
* ```
*
* @param validators
* @returns
*/
export const chain = <T, R = T, P = unknown>(
...validators: Validator<T, R, P>[]
): Validator<T, R, P> => {
return (value, context) => {
return pipe(
flatMap<Validator<T, R, P>, ConstraintViolation>((validator) =>
validator(value, context)
),
limit<ConstraintViolation>(context.shortCircuit ? 1 : -1)
)(validators);
};
};
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