async function proxyAndRecord()

in apps/mountebank-mock/mountebank-source/src/models/responseResolver.js [261:296]
31 lines of code
3 McCabe index (conditional complexity)

    async function proxyAndRecord (responseConfig, request, logger, requestDetails, imposterState) {
        const startTime = new Date(),
            observeProxyDuration = metrics.proxyDuration.startTimer();

        metrics.proxyCount.inc({ imposter: logger.scopePrefix });

        if (['proxyOnce', 'proxyAlways', 'proxyTransparent'].indexOf(responseConfig.proxy.mode) < 0) {
            responseConfig.proxy.mode = 'proxyOnce';
        }

        if (inProcessProxy) {
            const response = await proxy.to(responseConfig.proxy.to, request, responseConfig.proxy, requestDetails);
            observeProxyDuration({ imposter: logger.scopePrefix });
            response._proxyResponseTime = new Date() - startTime;

            // Run behaviors here to persist decorated response
            const transformed = await behaviors.execute(request, response, responseConfig.behaviors, logger, imposterState);
            await recordProxyResponse(responseConfig, request, transformed, logger);
            return transformed;
        }
        else {
            pendingProxyResolutions[nextProxyResolutionKey] = {
                responseConfig: responseConfig,
                request: request,
                requestDetails: requestDetails,
                observeProxyDuration: observeProxyDuration,
                startTime: startTime
            };
            nextProxyResolutionKey += 1;
            return {
                proxy: responseConfig.proxy,
                request: request,
                callbackURL: `${callbackURL}/${nextProxyResolutionKey - 1}`
            };
        }
    }