Since we don't want to reinvent the wheel, we can benefit from a very useful node package called
node-cron, which delivers exactly what we are looking for. Simply install the package by running the following command:
$ npm install node-cron --save
$ typings install node-cron --save
As you can see, in the error message we can discover two facts:
typings ERR! message Unable to find "node-cron" ("npm") in the registry. typings ERR! message We could use your help adding ...