@decaf-ts/db-decorators
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Agnostic database decorators and repository
34 lines • 4.67 kB
JavaScript
import { DEFAULT_ERROR_MESSAGES as DecoratorMessages, Validator, } from "@decaf-ts/decorator-validation";
/**
* @description Abstract base class for validators that compare new values with old values during updates.
* @summary Base class for an Update validator that provides a framework for implementing validation logic that compares a new value with its previous state.
* @param {string} [message] - Error message. Defaults to {@link DecoratorMessages#DEFAULT}
* @param {string[]} [acceptedTypes] - The accepted value types by the decorator
* @class UpdateValidator
* @example
* // Extending UpdateValidator to create a custom validator
* class MyCustomValidator extends UpdateValidator {
* constructor() {
* super("Custom validation failed");
* }
*
* public updateHasErrors(value: any, oldValue: any): string | undefined {
* // Custom validation logic
* if (value === oldValue) {
* return this.message;
* }
* return undefined;
* }
*
* hasErrors(value: any): string | undefined {
* return undefined; // Not used for update validators
* }
* }
* @category Validators
*/
export class UpdateValidator extends Validator {
constructor(message = DecoratorMessages.DEFAULT, ...acceptedTypes) {
super(message, ...acceptedTypes);
}
}
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