newrelic-nestjs-instrumentation/dist/newrelic.interceptor.js

Comprehensive New Relic instrumentation for NestJS applications - SQS, Kafka, HTTP/2, cron jobs and custom protocols

"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);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.NewRelicInterceptor = void 0;
const common_1 = require("@nestjs/common");
const rxjs_1 = require("rxjs");
const internal_1 = require("./internal");
const events_1 = __importDefault(require("events"));
const start_newrelic_transaction_if_absent_1 = require("./start-newrelic-transaction-if-absent");
let NewRelicInterceptor = class NewRelicInterceptor {
    customContext;
    emitter;
    constructor(customContext, emitter) {
        this.customContext = customContext;
        this.emitter = emitter;
    }
    intercept(context, next) {
        (0, start_newrelic_transaction_if_absent_1.startNewrelicTransactionIfAbsent)(context);
        return next.handle().pipe((0, rxjs_1.tap)({
            next: this.finishTransaction,
            error: this.finishTransaction,
        }));
    }
    finishTransaction = () => {
        try {
            const transactionId = this.customContext.customTransactionId;
            const transaction = this.customContext.transaction;
            if (!transactionId || !transaction)
                return;
            this.emitter.emit('transactionFinished', transactionId);
            transaction.end();
        }
        catch {
        }
    };
};
exports.NewRelicInterceptor = NewRelicInterceptor;
exports.NewRelicInterceptor = NewRelicInterceptor = __decorate([
    (0, common_1.Injectable)(),
    __param(1, (0, common_1.Inject)(internal_1.emitterSymbol)),
    __metadata("design:paramtypes", [internal_1.InternalContext,
        events_1.default])
], NewRelicInterceptor);
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