33 lines
992 B
TypeScript
33 lines
992 B
TypeScript
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import {
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registerDecorator,
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ValidationOptions,
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ValidationArguments,
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} from 'class-validator';
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export function HasTruthyWith(
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property: string,
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validationOptions?: ValidationOptions,
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) {
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// eslint-disable-next-line @typescript-eslint/ban-types
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return function (object: Object, propertyName: string) {
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registerDecorator({
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name: 'hasTruthyWith',
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target: object.constructor,
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propertyName: propertyName,
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constraints: [property],
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options: validationOptions,
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validator: {
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validate(value: any, args: ValidationArguments) {
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const [relatedPropertyName] = args.constraints;
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const relatedValue = (args.object as any)[relatedPropertyName];
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return (
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typeof value === 'boolean' &&
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typeof relatedValue === 'boolean' &&
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(value || relatedValue)
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); // you can return a Promise<boolean> here as well, if you want to make async validation
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},
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},
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});
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};
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}
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