Tree shaking is essentially reducing the amount of included code to only the stuff being used.

Let’s say you have a JAR, DLL, or whatever with 5 functions.

Your application calls function A which also calls function B of the DLL/jar.

Tree shaking says “hmm, if I follow the code execution path, I only need 2/5 functions from the DLL/jar” and discards the remaining 3/5 functions.

This significantly reduces the bundle size (the bundle is what is sent to the browser).

They are public employees who are changing things at the core of our government. Why wouldn’t we know their names?

Government employees names aren’t secret (asides from a few exceptions) nor is their pay