Exercises

• 8.1 HTTP client cache: Write a proxy for your favorite HTTP client library that caches the response of a given HTTP request, so that if you make the same request again, the response is immediately returned from the local cache, rather than being fetched from the remote URL. If you need inspiration, you can check out the superagent-cache module (nodejsdp.link/superagent-cache).
• 8.2 Timestamped logs: Create a proxy for the console object that enhances every logging function (log(), error(), debug(), and info()) by prepending the current timestamp to the message you want to print in the logs. For instance, executing consoleProxy.log('hello') should print something like 2020-02-18T15:59:30.699Z hello in the console.
• 8.3 Colored console output: Write a decorator for the console that adds the red(message), yellow(message), and green(message) methods. These methods will have to behave like console.log(message) except they will print the message in red...