From 6ce239da8ff4f26dd407386ffbe18355a52e9af5 Mon Sep 17 00:00:00 2001
From: Jamie Holdroyd <jamie@moltin.com>
Date: Mon, 14 Aug 2017 03:13:57 +0100
Subject: [PATCH] Fix bar width when using ANSI styling

---
 lib/node-progress.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/node-progress.js b/lib/node-progress.js
index 2b62641..602cffd 100644
--- a/lib/node-progress.js
+++ b/lib/node-progress.js
@@ -145,7 +145,8 @@ ProgressBar.prototype.render = function (tokens) {
     .replace(':rate', Math.round(rate));
 
   /* compute the available space (non-zero) for the bar */
-  var availableSpace = Math.max(0, this.stream.columns - str.replace(':bar', '').length);
+  var clean = str.replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '');
+  var availableSpace = Math.max(0, this.stream.columns - clean.replace(':bar', '').length);
   if(availableSpace && process.platform === 'win32'){
     availableSpace = availableSpace - 1;
   }