Пакет closure-compiler: Информация

The Closure Compiler is a tool for making JavaScript download and run
faster. It is a true compiler for JavaScript. Instead of compiling
from a source language to machine code, it compiles from JavaScript to
better JavaScript. It parses your JavaScript, analyzes it, removes
dead code and rewrites and minimizes whata.'s left. It also checks
syntax, variable references, and types, and warns about common
JavaScript pitfalls.