Map line numbers in onerror handler w/ source-map-support

package.json

@@ -22,7 +22,6 @@
     "clear-cut": "^2.0.1",
     "coffee-cash": "0.8.0",
     "coffee-script": "1.8.0",
-    "coffeestack": "^1.1.2",
     "color": "^0.7.3",
     "delegato": "^1",
     "emissary": "^1.3.3",

spec/atom-reporter.coffee

@@ -1,11 +1,9 @@
 path = require 'path'
 _ = require 'underscore-plus'
-{convertStackTrace} = require 'coffeestack'
 {View, $, $$} = require '../src/space-pen-extensions'
 grim = require 'grim'
 marked = require 'marked'
 
-sourceMaps = {}
 formatStackTrace = (spec, message='', stackTrace) ->
   return stackTrace unless stackTrace
 
@@ -15,8 +13,8 @@ formatStackTrace = (spec, message='', stackTrace) ->
   for line in stackTrace.split('\n')
     convertedLines.push(line) unless jasminePattern.test(line)
     break if firstJasmineLinePattern.test(line)
+  stackTrace = convertedLines.join('\n')
 
-  stackTrace = convertStackTrace(convertedLines.join('\n'), sourceMaps)
   lines = stackTrace.split('\n')
 
   # Remove first line of stack when it is the same as the error message

src/atom.coffee

@@ -9,7 +9,7 @@ _ = require 'underscore-plus'
 {deprecate, includeDeprecatedAPIs} = require 'grim'
 {CompositeDisposable, Emitter} = require 'event-kit'
 fs = require 'fs-plus'
-{convertStackTrace, convertLine} = require 'coffeestack'
+{mapSourcePosition} = require 'source-map-support'
 Model = require './model'
 {$} = require './space-pen-extensions'
 WindowEventHandler = require './window-event-handler'
@@ -196,15 +196,11 @@ class Atom extends Model
   #
   # Call after this instance has been assigned to the `atom` global.
   initialize: ->
-    sourceMapCache = {}
-
     window.onerror = =>
       @lastUncaughtError = Array::slice.call(arguments)
       [message, url, line, column, originalError] = @lastUncaughtError
 
-      convertedLine = convertLine(url, line, column, sourceMapCache)
-      {line, column} = convertedLine if convertedLine?
-      originalError.stack = convertStackTrace(originalError.stack, sourceMapCache) if originalError
+      {line, column} = mapSourcePosition({source: url, line, column})
 
       eventObject = {message, url, line, column, originalError}