private _loadJsonFile()

in Library/JsonConfig.ts [85:164]
80 lines of code
15 McCabe index (conditional complexity)

    private _loadJsonFile() {
        let configFileName = "applicationinsights.json";
        let rootPath = path.join(__dirname, "../../"); // Root of applicationinsights folder (__dirname = ../out/Library)
        let tempDir = path.join(rootPath, configFileName); // default
        let configFile = process.env[ENV_CONFIGURATION_FILE];
        if (configFile) {
            if (path.isAbsolute(configFile)) {
                tempDir = configFile;
            }
            else {
                tempDir = path.join(rootPath, configFile);// Relative path to applicationinsights folder
            }
        }
        try {
            const jsonConfig: IJsonConfig = JSON.parse(fs.readFileSync(tempDir, "utf8"));
            if (jsonConfig.disableStatsbeat != undefined) {
                this.disableStatsbeat = jsonConfig.disableStatsbeat;
            }
            if (jsonConfig.disableAllExtendedMetrics != undefined) {
                this.disableAllExtendedMetrics = jsonConfig.disableStatsbeat;
            }
            if (jsonConfig.noDiagnosticChannel != undefined) {
                this.noDiagnosticChannel = jsonConfig.noDiagnosticChannel;
            }
            if (jsonConfig.noHttpAgentKeepAlive != undefined) {
                this.noHttpAgentKeepAlive = jsonConfig.noHttpAgentKeepAlive;
            }
            if (jsonConfig.connectionString != undefined) {
                this.connectionString = jsonConfig.connectionString;
            }
            if (jsonConfig.extendedMetricDisablers != undefined) {
                this.extendedMetricDisablers = jsonConfig.extendedMetricDisablers;
            }
            if (jsonConfig.noDiagnosticChannel != undefined) {
                this.noDiagnosticChannel = jsonConfig.noDiagnosticChannel;
            }
            if (jsonConfig.proxyHttpUrl != undefined) {
                this.proxyHttpUrl = jsonConfig.proxyHttpUrl;
            }
            if (jsonConfig.proxyHttpsUrl != undefined) {
                this.proxyHttpsUrl = jsonConfig.proxyHttpsUrl;
            }
            if (jsonConfig.proxyHttpsUrl != undefined) {
                this.proxyHttpsUrl = jsonConfig.proxyHttpsUrl;
            }
            if (jsonConfig.noPatchModules != undefined) {
                this.noPatchModules = jsonConfig.noPatchModules;
            }
            this.endpointUrl = jsonConfig.endpointUrl;
            this.maxBatchSize = jsonConfig.maxBatchSize;
            this.maxBatchIntervalMs = jsonConfig.maxBatchIntervalMs;
            this.disableAppInsights = jsonConfig.disableAppInsights;
            this.samplingPercentage = jsonConfig.samplingPercentage;
            this.correlationIdRetryIntervalMs = jsonConfig.correlationIdRetryIntervalMs;
            this.correlationHeaderExcludedDomains = jsonConfig.correlationHeaderExcludedDomains;
            this.ignoreLegacyHeaders = jsonConfig.ignoreLegacyHeaders;
            this.distributedTracingMode = jsonConfig.distributedTracingMode;
            this.enableAutoCollectExternalLoggers = jsonConfig.enableAutoCollectExternalLoggers;
            this.enableAutoCollectConsole = jsonConfig.enableAutoCollectConsole;
            this.enableAutoCollectExceptions = jsonConfig.enableAutoCollectExceptions;
            this.enableAutoCollectPerformance = jsonConfig.enableAutoCollectPerformance;
            this.enableAutoCollectExtendedMetrics = jsonConfig.enableAutoCollectExtendedMetrics;
            this.enableAutoCollectPreAggregatedMetrics = jsonConfig.enableAutoCollectPreAggregatedMetrics;
            this.enableAutoCollectHeartbeat = jsonConfig.enableAutoCollectHeartbeat;
            this.enableAutoCollectRequests = jsonConfig.enableAutoCollectRequests;
            this.enableAutoCollectDependencies = jsonConfig.enableAutoCollectDependencies;
            this.enableAutoDependencyCorrelation = jsonConfig.enableAutoDependencyCorrelation;
            this.enableUseAsyncHooks = jsonConfig.enableUseAsyncHooks;
            this.enableUseDiskRetryCaching = jsonConfig.enableUseDiskRetryCaching;
            this.enableResendInterval = jsonConfig.enableResendInterval;
            this.enableMaxBytesOnDisk = jsonConfig.enableMaxBytesOnDisk;
            this.enableInternalDebugLogging = jsonConfig.enableInternalDebugLogging;
            this.enableInternalWarningLogging = jsonConfig.enableInternalWarningLogging;
            this.enableSendLiveMetrics = jsonConfig.enableSendLiveMetrics;
            this.quickPulseHost = jsonConfig.quickPulseHost;
        }
        catch (err) {
            Logging.info("Missing or invalid JSON config file: ", err);
        }
    }