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 …

This new release of the CoffeeScript language and compiler aims to bring CoffeeScript into the modern JavaScript era, closing gaps in compatibility with JavaScript while preserving the clean syntax that is …

CoffeeScript can be used both on the server, as a command-line compiler based on Node.js/V8, or to run CoffeeScript directly in the browser. This module contains the main entry functions for tokenizing, …

Handles command-line compilation of CoffeeScript into various forms: saved into .js files or printed to stdout or recompiled every time the source is saved, printed as a token stream or as the syntax tree, …

CoffeeScript Test Suite CoffeeScript Test Suite

At this point, the fragments’ code property is the generated output JavaScript, and CoffeeScript always generates output indented by two spaces; so all we need to do is search for a code property that …

The CoffeeScript language has a good deal of optional syntax, implicit syntax, and shorthand syntax. This can greatly complicate a grammar and bloat the resulting parse table.

The Scope class regulates lexical scoping within CoffeeScript. As you generate code, you create a tree of scopes in the same shape as the nested function bodies.

This Browser compatibility layer extends core CoffeeScript functions to make things work smoothly when compiling code directly in the browser. We add support for loading remote Coffee scripts via XHR, …

The CoffeeScript parser is generated by Jison from this grammar file. Jison is a bottom-up parser generator, similar in style to Bison, implemented in JavaScript.