@khoativi/nestjs-class-validator-i18n/dist/i18n-validation.filter.js

NestJS integration for class-validator with i18n support using Accept-Language headers and customizable locale files.

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.I18nValidationFilter = void 0;
const common_1 = require("@nestjs/common");
const core_1 = require("@nestjs/core");
const i18n_1 = require("./i18n");
const i18n_validation_exception_1 = require("./i18n-validation.exception");
let I18nValidationFilter = class I18nValidationFilter {
    adapterHost;
    i18n;
    fallback;
    constructor(adapterHost, opts = {}) {
        this.adapterHost = adapterHost;
        this.fallback = opts.fallbackLanguage ?? 'en';
        this.i18n = new i18n_1.I18n(this.fallback);
    }
    catch(exception, host) {
        const { httpAdapter } = this.adapterHost;
        const ctx = host.switchToHttp();
        const req = ctx.getRequest();
        const res = ctx.getResponse();
        const lang = req.headers?.['accept-language']?.toLowerCase() || this.fallback;
        const messages = exception.validationErrors.flatMap((err) => Object.entries(err.constraints || {}).map(([key]) => this.i18n.translate(lang, key, err.property, err.contexts?.[key]?.constraints || [])));
        httpAdapter.reply(res, {
            statusCode: exception.getStatus(),
            message: messages[0] ?? 'Validation failed',
            error: 'Bad Request'
        }, exception.getStatus());
    }
};
exports.I18nValidationFilter = I18nValidationFilter;
exports.I18nValidationFilter = I18nValidationFilter = __decorate([
    (0, common_1.Catch)(i18n_validation_exception_1.I18nValidationException),
    __metadata("design:paramtypes", [core_1.HttpAdapterHost, Object])
], I18nValidationFilter);
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