32 lines
897 B
TypeScript
32 lines
897 B
TypeScript
/* eslint-disable @typescript-eslint/ban-types */
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import {
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registerDecorator,
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ValidationArguments,
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ValidationOptions,
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} from "class-validator";
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export function CannotUseWithout(
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property: string,
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validationOptions?: ValidationOptions
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) {
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return function (object: Object, propertyName: string) {
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registerDecorator({
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name: "cannotUseWithout",
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target: object.constructor,
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propertyName,
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constraints: [property],
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options: validationOptions,
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validator: {
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validate<T>(value: T, args: ValidationArguments) {
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const obj = args.object as unknown as T;
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const required = args.constraints[0] as string;
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return obj[required] !== undefined;
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},
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defaultMessage(args: ValidationArguments) {
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return `${propertyName} cannot be used without ${args.constraints[0]}.`;
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},
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},
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});
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};
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}
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