CoffeeScript source maps for nodeJS development

Question

Now that CoffeeScript supports the new Source Map hotness, I was wondering if I can also use the source maps not just in my browser, but on the command line while developing my nodeJS apps.

I want the JS compiler to give me more useful error traces where the lines actually match with my coffeescript files instead of compiled JS files.

constexpr · Accepted Answer · 2013-03-09 05:19:01Z

18

The source-map-support module does this, just install the module and put this at the top of your code:

require('source-map-support').install()

answered Mar 9, 2013 at 5:19

constexpr

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2 Comments

rbrc Over a year ago

this doesnt appear to work with coffee-script 1.6.3 and node v0.10.23. coffee-script-mapped works great though. Perhaps its because I'm running my code without compiling it first? IE, I do require('coffee-script'); require('source-map-support').install(); and then all required files are coffee files.

Qix - MONICA WAS MISTREATED Over a year ago

@rbrc This pull request of mine might address your issue with source-map-support.

esamatti · Accepted Answer · 2013-03-18 08:43:19Z

5

Now with CoffeeScript 1.6.2 it just "works" if you run your app with the coffee command :)

answered Mar 18, 2013 at 8:43

esamatti

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2 Comments

Daniel Over a year ago

This doesn't seem to work for .coffee files that are included with require - I'm seeing stuff like main.coffee:12:1, <js>:20 but then imported.coffee:185:3 and the imported.coffee only has 130 lines of coffeescript.

Alon Bar David Over a year ago

Being exasperated with the current solutions, I've made this: npmjs.org/package/coffee-script-mapped Let me know if it works for you :)

Alon Bar David · Accepted Answer · 2013-05-01 20:01:59Z

3

Until coffee-script gets some better support for require(), try this: https://npmjs.org/package/coffee-script-mapped

answered May 1, 2013 at 20:01

Alon Bar David

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2 Comments

Jonathan Over a year ago

if you're running node, how would you go about using this?

Alon Bar David Over a year ago

this answer is a bit out of date now, from my recollection coffee-script it self supports require already.

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