nestjs-cls
Version:
A continuation-local storage module compatible with NestJS's dependency injection.
64 lines (63 loc) • 2.86 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 ClsPluginsHooksHost_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ClsPluginsHooksHost = void 0;
const common_1 = require("@nestjs/common");
const core_1 = require("@nestjs/core");
const is_non_nullable_1 = require("../../utils/is-non-nullable");
const cls_service_manager_1 = require("../cls-service-manager");
const cls_plugin_base_1 = require("./cls-plugin-base");
/**
* This class gathers all the plugin hooks registered in the DI
* and makes them available to the CLS-initializers (Cls-Middleware, -Guard, -Interceptor)
* via a singleton instance.
*/
let ClsPluginsHooksHost = ClsPluginsHooksHost_1 = class ClsPluginsHooksHost {
static getInstance() {
if (!this._instance) {
throw new Error('ClsPluginsHooksHost not initialized');
}
return this._instance;
}
constructor(discoveryService) {
this.discoveryService = discoveryService;
this.cls = cls_service_manager_1.ClsServiceManager.getClsService();
ClsPluginsHooksHost_1._instance = this;
}
onModuleInit() {
const hooks = this.discoveryService
.getProviders()
.filter((p) => (0, cls_plugin_base_1.isPluginHooksToken)(p.name))
.map((p) => p.instance);
this.beforeSetupHooks = hooks
.map((hook) => hook.beforeSetup)
.filter(is_non_nullable_1.isNonNullable);
this.afterSetupHooks = hooks
.map((hook) => hook.afterSetup)
.filter(is_non_nullable_1.isNonNullable);
}
async beforeSetup(context) {
for (const hook of this.beforeSetupHooks) {
await hook(this.cls, context);
}
}
async afterSetup(context) {
for (const hook of this.afterSetupHooks) {
await hook(this.cls, context);
}
}
};
exports.ClsPluginsHooksHost = ClsPluginsHooksHost;
exports.ClsPluginsHooksHost = ClsPluginsHooksHost = ClsPluginsHooksHost_1 = __decorate([
(0, common_1.Injectable)(),
__metadata("design:paramtypes", [core_1.DiscoveryService])
], ClsPluginsHooksHost);