@pact-foundation/pact/src/httpPact/tracing.js

Pact for all things Javascript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.traceHttpInteractions = void 0;
const node_http_1 = __importDefault(require("node:http"));
const logger_1 = __importDefault(require("../common/logger"));
const traceHttpInteractions = () => {
    const originalRequest = node_http_1.default.request;
    node_http_1.default.request = (options, cb) => {
        if (typeof options === 'string' || options instanceof URL) {
            throw new Error('invoking traced requests with a string or a URL first argument is not supported');
        }
        if (typeof cb !== 'function') {
            throw new Error('invoking traced requests with a non-function second argument is not supported');
        }
        const requestBodyChunks = [];
        const responseBodyChunks = [];
        const hijackedCallback = (res) => {
            logger_1.default.trace(`outgoing request: ${JSON.stringify({
                ...options,
                body: Buffer.concat(requestBodyChunks).toString('utf8'),
            })}`);
            if (cb) {
                cb(res);
            }
        };
        const clientRequest = originalRequest(options, hijackedCallback);
        const oldWrite = clientRequest.end.bind(clientRequest);
        clientRequest.end = (chunk) => {
            requestBodyChunks.push(Buffer.from(chunk));
            return oldWrite(chunk);
        };
        clientRequest.on('response', (incoming) => {
            incoming.on('readable', () => {
                responseBodyChunks.push(Buffer.from(incoming.read()));
            });
            incoming.on('end', () => {
                logger_1.default.trace(`response: ${JSON.stringify({
                    body: Buffer.concat(responseBodyChunks).toString('utf8'),
                    headers: incoming.headers,
                    statusCode: incoming.statusCode,
                })}`);
            });
        });
        return clientRequest;
    };
};
exports.traceHttpInteractions = traceHttpInteractions;
//# sourceMappingURL=tracing.js.map