fix: fix sourceMap lines off

yyx990803 · yyx990803 · commit acaf6a648bd0 · 2017-12-30T23:49:26.000-05:00
diff --git a/lib/parser.js b/lib/parser.js
@@ -49,7 +49,7 @@ function generateSourceMap (filename, source, generated, sourceRoot) {
       map.addMapping({
         source: filename,
         original: {
-          line: index + 1,
+          line: index,
           column: 0
         },
         generated: {
