Implemented more robust handling for commeting. This allows for the source map to maintain the original line numbers.

Author: taylorzane

lib/parser.js

@@ -71,7 +71,15 @@ module.exports = function (content) {
     var start = node.childNodes[0].__location.start
     var end = node.childNodes[node.childNodes.length - 1].__location.end
 
-    var result = content.slice(start, end).trim()
+    var result
+    if (type === 'script') {
+      result =
+        commentScript(content.slice(0, start), lang) +
+        content.slice(start, end) +
+        commentScript(content.slice(end), lang)
+    } else {
+      result = content.slice(start, end).trim()
+    }
 
     output[type].push({
       lang: lang,
@@ -83,14 +91,32 @@ module.exports = function (content) {
   cb(null, 'module.exports = ' + JSON.stringify(output))
 }
 
-function commentScript (content) {
+function commentScript (content, lang) {
   return content
     .split(/\n\r|\n|\r/g)
     .map(function (line) {
-      if (line.trim() === '') {
-        return line
-      } else {
-        return '// ' + line
+      switch (lang) {
+        case 'coffee':
+        case 'coffee-jsx':
+        case 'coffee-redux':
+          if (line.trim() === '') {
+            return line
+          } else {
+            return '# ' + line
+          }
+        case 'purs':
+        case 'ulmus':
+          if (line.trim() === '') {
+            return line
+          } else {
+            return '-- ' + line
+          }
+        default:
+          if (line.trim() === '') {
+            return line
+          } else {
+            return '// ' + line
+          }
       }
     })
     .join('\n')