@tsed/schema/lib/esm/decorators/common/errorMsg.js

JsonSchema module for Ts.ED Framework

import { JsonEntityFn } from "./jsonEntityFn.js";
/**
 * Add an error message to the property.
 * @decorator
 * @ajv
 */
export function ErrorMsg(obj) {
    return JsonEntityFn((store) => {
        // since errorMessage is a custom key, it is prefixed with a # to avoid conflict with JSON Schema keywords
        const errorMessage = store.parentSchema.get("#errorMessage") || {};
        store.parentSchema.customKey("errorMessage", { ...errorMessage, ...obj });
    });
}