Simplify getNodeIndent

cut out unused vars based on feedback

Author: snowypowers

lib/rules/jsx-first-prop-new-line.js

@@ -25,7 +25,6 @@ module.exports = {
 
   create: function (context) {
     var configuration = context.options[0];
-    var extraColumnStart = 0;
     var indentType = 'space';
     var indentSize = 2;
     var sourceCode = context.getSourceCode();
@@ -40,27 +39,14 @@ module.exports = {
       }
     }
 
-    function getNodeIndent(node, byLastLine, excludeCommas) {
-      byLastLine = byLastLine || false;
-      excludeCommas = excludeCommas || false;
-
-      var src = sourceCode.getText(node, node.loc.start.column + extraColumnStart);
-      var lines = src.split('\n');
-      if (byLastLine) {
-        src = lines[lines.length - 1];
-      } else {
-        src = lines[0];
-      }
-
-      var skip = excludeCommas ? ',' : '';
-
+    function getNodeIndent(node) {
+      var src = sourceCode.getText(node, node.loc.start.column).split('\n')[0];
       var regExp;
       if (indentType === 'space') {
-        regExp = new RegExp('^[ ' + skip + ']+');
+        regExp = new RegExp('^[ ]+');
       } else {
-        regExp = new RegExp('^[\t' + skip + ']+');
+        regExp = new RegExp('^[\t' + ']+');
       }
-
       var indent = regExp.exec(src);
       return indent ? indent[0].length : 0;
     }
@@ -82,8 +68,7 @@ module.exports = {
                 node: decl,
                 message: 'Property should be placed on a new line',
                 fix: function(fixer) {
-                  var nodeIndent = getNodeIndent(node, false, false);
-                  var neededIndent = nodeIndent + indentSize;
+                  var neededIndent = getNodeIndent(node) + indentSize;
                   var insert = '\n' + Array(neededIndent + 1).join(indentType === 'space' ? ' ' : '\t');
                   return fixer.replaceTextRange([node.name.end, decl.start], insert);
                 }