nestjs-i18n
Version:
The i18n module for Nest.
88 lines • 4.22 kB
JavaScript
;
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);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.I18nLanguageInterceptor = void 0;
const common_1 = require("@nestjs/common");
const core_1 = require("@nestjs/core");
const rxjs_1 = require("rxjs");
const i18n_constants_1 = require("../i18n.constants");
const i18n_context_1 = require("../i18n.context");
const i18n_service_1 = require("../services/i18n.service");
const utils_1 = require("../utils");
let I18nLanguageInterceptor = class I18nLanguageInterceptor {
constructor(i18nOptions, i18nResolvers, i18nService, messageFormat, moduleRef) {
this.i18nOptions = i18nOptions;
this.i18nResolvers = i18nResolvers;
this.i18nService = i18nService;
this.messageFormat = messageFormat;
this.moduleRef = moduleRef;
}
async intercept(context, next) {
const i18nContext = i18n_context_1.I18nContext.current();
let language = null;
const ctx = (0, utils_1.getContextObject)(this.i18nOptions, context);
const contextType = context.getType();
const supportedContextTypes = ['http', 'graphql', 'rpc', 'rmq', 'ws'];
if (!supportedContextTypes.includes(contextType)) {
return next.handle();
}
if (ctx?.i18nLang) {
return next.handle();
}
if (ctx) {
ctx.i18nService = this.i18nService;
}
language = await (0, utils_1.resolveLanguage)(this.i18nResolvers, context, this.moduleRef);
const resolvedLanguage = (0, utils_1.getLanguageFromResolverResult)(language) || this.i18nOptions.fallbackLanguage;
if (ctx) {
ctx.i18nLang = resolvedLanguage;
}
const response = context.getType() === 'http'
? context.switchToHttp().getResponse()
: ctx?.res;
if (response?.locals && ctx?.i18nLang) {
response.locals.i18nLang = ctx.i18nLang;
}
if (!i18nContext) {
const requestI18nContext = new i18n_context_1.I18nContext(resolvedLanguage, this.i18nService, this.messageFormat);
if (ctx) {
ctx.i18nContext = requestI18nContext;
}
if (!this.i18nOptions.skipAsyncHook) {
return new rxjs_1.Observable((observer) => {
let subscription;
i18n_context_1.I18nContext.createAsync(requestI18nContext, async () => {
subscription = next.handle().subscribe(observer);
}).catch((error) => {
observer.error(error);
});
return () => {
subscription?.unsubscribe();
};
});
}
}
return next.handle();
}
};
exports.I18nLanguageInterceptor = I18nLanguageInterceptor;
exports.I18nLanguageInterceptor = I18nLanguageInterceptor = __decorate([
(0, common_1.Injectable)(),
__param(0, (0, common_1.Inject)(i18n_constants_1.I18N_OPTIONS)),
__param(1, (0, common_1.Inject)(i18n_constants_1.I18N_RESOLVERS)),
__metadata("design:paramtypes", [Object, Array, i18n_service_1.I18nService,
utils_1.I18nMessageFormat,
core_1.ModuleRef])
], I18nLanguageInterceptor);
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