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decoval

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DecoVal is a decorator-driven validation pattern that allows you to add validation rules directly to the properties of TypeScript classes, simplifying data control and increasing code readability and reusability.

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import { ValidationError } from "../dv/error/validation.error"; import { registerValidation } from "../dv/register.validation"; export function Min(value, message) { return (target, key) => { registerValidation(target, key, (propValue) => { if (typeof propValue !== "number" || propValue < value) { throw new ValidationError(message || `Property "${key}" must be at least ${value}.`); } }); }; }