How I Can Get Line Number With Error In Coffeescript File

In node.js express app and nodeunit tests I widely use coffeescript without saving resulting javascript files on disk to avoid project clogging by javascript translations. When I

Solution 1:

CoffeeScript 1.6.1 and above include support for generating source maps, a way to tell your JavaScript engine what part of your CoffeeScript program matches up with the code being evaluated. Browsers that support it can automatically use source maps to show your original source code in the debugger. To generate source maps alongside your JavaScript files, pass the --map or -m flag to the compiler.

http://coffeescript.org/#source-maps