Maintain column width when transforming consts

1 files changed, 6 insertions, 4 deletions

diff --git a/lib/moduleEnv.js b/lib/moduleEnv.js
index cbb76d9..688401e 100644
--- a/lib/moduleEnv.js
+++ b/lib/moduleEnv.js
@@ -111,17 +111,19 @@ function jsExtension(module, filename) {
     var _compile = module._compile;
 
     module._compile = function (content, filename) {
-        const noConstAssignMessage = linter.verify(content, eslintOptions).find(isNoConstAssignMessage);
+        var noConstAssignMessage = linter.verify(content, eslintOptions).find(isNoConstAssignMessage);
+        var line;
+        var column;
 
         if (noConstAssignMessage !== undefined) {
-            const { line, column } = noConstAssignMessage;
-
+            line = noConstAssignMessage.line;
+            column = noConstAssignMessage.column;
             throw new TypeError(`Assignment to constant variable at ${ filename }:${ line }:${ column }`);
         }
 
         _compile.call(
             module,
-            content.replace(matchConst, "$1let$2"), // replace const with let
+            content.replace(matchConst, "$1let  $2"), // replace const with let, while maintaining the column width
             filename
         );
     };