async function acquireTfx()

in BuildTasks/TfxInstaller/TfxInstaller.ts [79:108]

• 27 lines of code
• 5 McCabe index (conditional complexity)

async function acquireTfx(version: string): Promise<string> {
    try{
        version = toolLib.cleanVersion(version);
        
        let extPath: string;
        taskLib.assertAgent('2.115.0');
        extPath = taskLib.getVariable('Agent.TempDirectory');
        if (!extPath) {
            throw new Error('Expected Agent.TempDirectory to be set');
        }
        extPath = path.join(extPath, 'tfx'); // use as short a path as possible due to nested node_modules folders

        taskLib.mkdirP(path.join(extPath));
        const npmRunner = new tr.ToolRunner("npm");
        npmRunner.arg(["install", "tfx-cli@" + version, "-g", "--prefix", extPath]);

        const result = npmRunner.execSync({ failOnStdErr: false, silent: !debug, ignoreReturnCode: false} as tr.IExecOptions);
        if (result.code === 0)
        {
            if (os.platform() === "win32")
            {
                fs.unlinkSync(path.join(extPath, "/tfx"));
            }
            return await toolLib.cacheDir(extPath, 'tfx', version);
        }
    }
    catch {
        return Promise.reject(new Error("Failed to install tfx"));
    }
}