protected async provideAttachDefaults()

in src/client/debugger/extension/configuration/resolvers/attach.ts [43:108]
59 lines of code
21 McCabe index (conditional complexity)

    protected async provideAttachDefaults(
        workspaceFolder: Uri | undefined,
        debugConfiguration: AttachRequestArguments,
    ): Promise<void> {
        if (!Array.isArray(debugConfiguration.debugOptions)) {
            debugConfiguration.debugOptions = [];
        }
        if (!(debugConfiguration.connect || debugConfiguration.listen) && !debugConfiguration.host) {
            // Connect and listen cannot be mixed with host property.
            debugConfiguration.host = 'localhost';
        }
        if (debugConfiguration.justMyCode === undefined) {
            // Populate justMyCode using debugStdLib
            debugConfiguration.justMyCode = !debugConfiguration.debugStdLib;
        }
        debugConfiguration.showReturnValue = debugConfiguration.showReturnValue !== false;
        // Pass workspace folder so we can get this when we get debug events firing.
        debugConfiguration.workspaceFolder = workspaceFolder ? workspaceFolder.fsPath : undefined;
        const debugOptions = debugConfiguration.debugOptions!;
        if (!debugConfiguration.justMyCode) {
            this.debugOption(debugOptions, DebugOptions.DebugStdLib);
        }
        if (debugConfiguration.django) {
            this.debugOption(debugOptions, DebugOptions.Django);
        }
        if (debugConfiguration.jinja) {
            this.debugOption(debugOptions, DebugOptions.Jinja);
        }
        if (debugConfiguration.subProcess === true) {
            this.debugOption(debugOptions, DebugOptions.SubProcess);
        }
        if (
            debugConfiguration.pyramid &&
            debugOptions.indexOf(DebugOptions.Jinja) === -1 &&
            debugConfiguration.jinja !== false
        ) {
            this.debugOption(debugOptions, DebugOptions.Jinja);
        }
        if (debugConfiguration.redirectOutput || debugConfiguration.redirectOutput === undefined) {
            this.debugOption(debugOptions, DebugOptions.RedirectOutput);
        }

        // We'll need paths to be fixed only in the case where local and remote hosts are the same
        // I.e. only if hostName === 'localhost' or '127.0.0.1' or ''
        const isLocalHost = this.isLocalHost(debugConfiguration.host);
        if (this.platformService.isWindows && isLocalHost) {
            this.debugOption(debugOptions, DebugOptions.FixFilePathCase);
        }
        if (this.platformService.isWindows) {
            this.debugOption(debugOptions, DebugOptions.WindowsClient);
        } else {
            this.debugOption(debugOptions, DebugOptions.UnixClient);
        }
        if (debugConfiguration.showReturnValue) {
            this.debugOption(debugOptions, DebugOptions.ShowReturnValue);
        }

        debugConfiguration.pathMappings = this.resolvePathMappings(
            debugConfiguration.pathMappings || [],
            debugConfiguration.host,
            debugConfiguration.localRoot,
            debugConfiguration.remoteRoot,
            workspaceFolder,
        );
        this.sendTelemetry('attach', debugConfiguration);
    }