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27 lines
748 B
TypeScript
27 lines
748 B
TypeScript
// Loaded from https://deno.land/x/validasaur/src/rules/required_when.ts
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import type { Validity, Rule } from "../types.ts";
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import type { ValidationUtils } from "../interfaces.ts";
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import { required } from "./required.ts";
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import { optionallyValid } from "../utils.ts";
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export function requiredWhen(
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callback: (
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fieldValue: any,
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validationUtils: ValidationUtils,
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) => boolean | Promise<boolean>,
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): Rule {
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return async function requiredWhenRule(
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value: any,
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utils: ValidationUtils,
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): Promise<Validity> {
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const result = callback(value, utils);
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const isRequired = result instanceof Promise ? await result : result;
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if (isRequired) {
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return required(value);
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}
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return optionallyValid(true);
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};
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}
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