private async resolveProgramPath()

in src/debug/configurationProvider.ts [117:158]
34 lines of code
12 McCabe index (conditional complexity)

    private async resolveProgramPath(config) {
        const dc = DeviceContext.getInstance();

        if (!config.program || config.program === "${file}") {
            // make a unique temp folder because keeping same temp folder will corrupt the build when board is changed
            const outputFolder = path.join(dc.output || `.build`, ArduinoContext.boardManager.currentBoard.board);
            util.mkdirRecursivelySync(path.join(ArduinoWorkspace.rootPath, outputFolder));
            if (!dc.sketch || !util.fileExistsSync(path.join(ArduinoWorkspace.rootPath, dc.sketch))) {
                await dc.resolveMainSketch();
            }

            if (!dc.sketch) {
                vscode.window.showErrorMessage("No sketch file was found. Please specify the sketch in the arduino.json file");
                return false;
            }

            if (!util.fileExistsSync(path.join(ArduinoWorkspace.rootPath, dc.sketch))) {
                vscode.window.showErrorMessage(`Cannot find ${dc.sketch}, Please specify the sketch in the arduino.json file`);
                return false;
            }
            config.program = path.join(ArduinoWorkspace.rootPath, outputFolder, `${path.basename(dc.sketch)}.elf`);

            // always compile elf to make sure debug the right elf
            if (!await ArduinoContext.arduinoApp.build(BuildMode.Verify, outputFolder)) {
                vscode.window.showErrorMessage("Failed to verify the program, please check the output for details.");
                return false;
            }

            config.program = config.program.replace(/\\/g, "/");

            config.customLaunchSetupCommands.forEach((obj) => {
                if (obj.text && obj.text.indexOf("${file}") > 0) {
                    obj.text = obj.text.replace(/\$\{file\}/, config.program);
                }
            });
        }
        if (!util.fileExistsSync(config.program)) {
            vscode.window.showErrorMessage("Cannot find the elf file.");
            return false;
        }
        return true;
    }