var buildNodeTask = function()

in make-util.js [141:184]
33 lines of code
9 McCabe index (conditional complexity)

var buildNodeTask = function (taskPath, outDir) {
    var originalDir = pwd();
    cd(taskPath);
    var packageJsonPath = rp('package.json');
    var overrideTscPath;
    if (test('-f', packageJsonPath)) {
        // verify no dev dependencies
        // we allow a TS dev-dependency to indicate a task should use a different TS version
        var packageJson = JSON.parse(fs.readFileSync(packageJsonPath).toString());
        var devDeps = packageJson.devDependencies ? Object.keys(packageJson.devDependencies).length : 0;
        if (devDeps == 1 && packageJson.devDependencies["typescript"]) {
            var version = packageJson.devDependencies["typescript"];
            if (!allowedTypescriptVersions.includes(version)) {
                fail(`The package.json specifies a different TS version (${version}) that the allowed versions: ${allowedTypescriptVersions}. Offending package.json: ${packageJsonPath}`);
            }
            overrideTscPath = path.join(taskPath, "node_modules", "typescript");
            console.log(`Detected Typescript version: ${version}`);
        } else if (devDeps >= 1) {
            fail('The package.json should not contain dev dependencies other than typescript. Move the dev dependencies into a package.json file under the Tests sub-folder. Offending package.json: ' + packageJsonPath);
        }

        run('npm install');
    }

    // Use the tsc version supplied by the task if it is available, otherwise use the global default.
    if (overrideTscPath) {
        var tscExec = path.join(overrideTscPath, "bin", "tsc");
        run("node " + tscExec + ' --outDir "' + outDir + '" --rootDir "' + taskPath + '"');
        // Don't include typescript in node_modules

        //remove tsc and tsserver symbolic links
        if (os.platform !== 'win32') {
            rm('-f', path.join(taskPath, 'node_modules', '.bin', 'tsc'));
            rm('-f', path.join(taskPath, 'node_modules', '.bin', 'tsserver'));
        }

        //remove typescript from node_modules
        rm("-rf", overrideTscPath);
    } else {
        run('tsc --outDir "' + outDir + '" --rootDir "' + taskPath + '"');
    }

    cd(originalDir);
}