protected abstract establishDebugSession()

in src/debugger/debugSessionBase.ts [116:174]
51 lines of code
13 McCabe index (conditional complexity)

    protected abstract establishDebugSession(
        attachArgs: IAttachRequestArgs,
        resolve?: (value?: void | PromiseLike<void> | undefined) => void,
    ): void;

    protected async initializeSettings(args: any): Promise<void> {
        if (!this.isSettingsInitialized) {
            let chromeDebugCoreLogs = getLoggingDirectory();
            if (chromeDebugCoreLogs) {
                chromeDebugCoreLogs = path.join(chromeDebugCoreLogs, "DebugSessionLogs.txt");
            }
            let logLevel: string = args.trace;
            if (logLevel) {
                logLevel = logLevel.replace(logLevel[0], logLevel[0].toUpperCase());
                logger.setup(Logger.LogLevel[logLevel], chromeDebugCoreLogs || false);
                this.cdpProxyLogLevel =
                    LogLevel[logLevel] === LogLevel.Verbose ? LogLevel.Custom : LogLevel.None;
            } else {
                logger.setup(Logger.LogLevel.Log, chromeDebugCoreLogs || false);
                this.cdpProxyLogLevel =
                    LogHelper.LOG_LEVEL === LogLevel.Trace ? LogLevel.Custom : LogLevel.None;
            }

            if (typeof args.sourceMaps !== "boolean") {
                args.sourceMaps = true;
            }

            if (typeof args.enableDebug !== "boolean") {
                args.enableDebug = true;
            }

            // Now there is a problem with processing time of 'createFromSourceMap' function of js-debug
            // So we disable this functionality by default https://github.com/microsoft/vscode-js-debug/issues/1033
            if (typeof args.sourceMapRenames !== "boolean") {
                args.sourceMapRenames = false;
            }

            const projectRootPath = SettingsHelper.getReactNativeProjectRoot(args.cwd);
            const isReactProject = await ReactNativeProjectHelper.isReactNativeProject(
                projectRootPath,
            );
            if (!isReactProject) {
                throw ErrorHelper.getInternalError(InternalErrorCode.NotInReactNativeFolderError);
            }

            const appLauncher = await AppLauncher.getOrCreateAppLauncherByProjectRootPath(
                projectRootPath,
            );
            this.appLauncher = appLauncher;
            this.projectRootPath = projectRootPath;
            this.isSettingsInitialized = true;
            this.appLauncher.getOrUpdateNodeModulesRoot(true);
            if (this.session.workspaceFolder) {
                this.appLauncher.updateDebugConfigurationRoot(
                    this.session.workspaceFolder.uri.fsPath,
                );
            }
        }
    }