92 lines
2.5 KiB
TypeScript
92 lines
2.5 KiB
TypeScript
import { DomainError } from "./domain-error";
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/**
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* Error de validación de dominio.
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*
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* - Extiende DomainError para aprovechar `code`, `metadata`, `cause` y `toJSON`.
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* - Estructura estable para mapeo (Problem+JSON / telemetría).
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*/
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export class DomainValidationError extends DomainError {
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/** Discriminante para routing/telemetría */
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public readonly kind = "VALIDATION" as const;
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/** Campo afectado (path) */
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public readonly field: string;
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/** Mensaje legible de negocio */
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public readonly detail: string;
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constructor(
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_code: string,
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field: string,
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detail: string,
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options?: ErrorOptions & { metadata?: Record<string, unknown> }
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) {
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// Mensaje humano compacto y útil para logs
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super(`[${field}] ${detail}`, {
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...options,
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// Aseguramos metadatos ricos y estables
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metadata: {
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...(options?.metadata ?? {}),
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field,
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detail,
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kind: "VALIDATION",
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},
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});
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this.name = "DomainValidationError";
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//this.code = code;
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this.field = field;
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this.detail = detail;
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Object.setPrototypeOf(this, new.target.prototype);
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Object.freeze(this);
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}
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/** Atajos de construcción comunes */
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static requiredValue(
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field: string,
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options?: ErrorOptions & { metadata?: Record<string, unknown> }
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) {
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return new DomainValidationError("REQUIRED_VALUE", field, "cannot be empty", options);
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}
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static invalidFormat(
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field: string,
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detail = "invalid format",
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options?: ErrorOptions & { metadata?: Record<string, unknown> }
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) {
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return new DomainValidationError("INVALID_FORMAT", field, detail, options);
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}
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static invalidValue(
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field: string,
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value: unknown,
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detail = "invalid value",
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options?: ErrorOptions & { metadata?: Record<string, unknown> }
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) {
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// `cause` preserva el valor problemático para inspección sin exponerlo a cliente
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return new DomainValidationError("INVALID_VALUE", field, detail, { ...options, cause: value });
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}
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/** Proyección mínima para Problem+JSON / colecciones */
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toDetail() {
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return { path: this.field, message: this.detail, rule: this.code };
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}
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/** Incluye proyección validación en la serialización segura */
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override toJSON() {
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const base = super.toJSON();
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return {
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...base,
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kind: this.kind,
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field: this.field,
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detail: this.detail,
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};
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}
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}
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/** Type guard */
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export const isDomainValidationError = (e: unknown): e is DomainValidationError =>
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e instanceof DomainValidationError;
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