@russ-b/nestjs-common-tools/dist/errors/class-validator-exception.factory.js

NestJS utility tools

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.classValidatorExceptionFactory = classValidatorExceptionFactory;
const common_1 = require("@nestjs/common");
const api_error_root_field_constant_1 = require("./api-error-root-field.constant");
const api_error_code_enum_1 = require("./api-error-code.enum");
const error_response_factory_1 = require("./error-response.factory");
const DEFAULT_VALIDATION_ERROR_MESSAGE = 'Validation failed';
function classValidatorExceptionFactory(errors, options = {}) {
    return new common_1.BadRequestException((0, error_response_factory_1.createApiErrorResponse)({
        statusCode: common_1.HttpStatus.BAD_REQUEST,
        message: options.message ?? DEFAULT_VALIDATION_ERROR_MESSAGE,
        code: api_error_code_enum_1.ApiErrorCode.VALIDATION_FAILED,
        errors: flattenValidationErrors(errors),
    }));
}
function flattenValidationErrors(errors, parentPath) {
    const items = [];
    for (const error of errors) {
        const field = formatValidationErrorPath(error.property, parentPath);
        if (error.constraints) {
            for (const message of Object.values(error.constraints)) {
                items.push({ field, message });
            }
        }
        if (error.children?.length) {
            items.push(...flattenValidationErrors(error.children, field));
        }
    }
    return items;
}
function formatValidationErrorPath(property, parentPath) {
    if (!property) {
        return parentPath ?? api_error_root_field_constant_1.API_ERROR_ROOT_FIELD;
    }
    return parentPath ? `${parentPath}.${property}` : property;
}
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