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* Show an appropriate error if the user tries to use --transpile via the CLI and babel-core isn’t installed * Update documentation around global/local * Fix #4713: Use Babel’s built-in `filename` option to let Babel search for its options, rather than us doing so * Improve transpilation docs * Colons are good * Docs cleanup * Rewrite transpilation docs * Better identifier for compiled scripts that didn’t come from files; better resolving of paths
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CoffeeScript is a little language that compiles into JavaScript. Underneath that awkward Java-esque patina, JavaScript has always had a gorgeous heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way.
The golden rule of CoffeeScript is: “It’s just JavaScript.” The code compiles one-to-one into the equivalent JS, and there is no interpretation at runtime. You can use any existing JavaScript library seamlessly from CoffeeScript (and vice-versa). The compiled output is readable, pretty-printed, and tends to run as fast or faster than the equivalent handwritten JavaScript.
Latest Version: [<%= fullVersion %>](https://github.com/jashkenas/coffeescript/tarball/<%= fullVersion %>)
# Install locally for a project:
npm install --save-dev coffeescript
# Install globally to execute .coffee files anywhere:
npm install --global coffeescript