From d65f02107a6adce4b45ba9b8ecebf78571612a65 Mon Sep 17 00:00:00 2001
From: alexwl <alexey.a.kiryushin@gmail.com>
Date: Thu, 14 Feb 2019 00:54:28 +0300
Subject: Optimize the process of adding links to Haskell language extension
 docs

---
 javascript/app/components/haskell-module.js | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

(limited to 'javascript/app/components/haskell-module.js')

diff --git a/javascript/app/components/haskell-module.js b/javascript/app/components/haskell-module.js
index ee3f7f3..7084510 100644
--- a/javascript/app/components/haskell-module.js
+++ b/javascript/app/components/haskell-module.js
@@ -481,14 +481,17 @@ export default Ember.Component.extend({
     const lineCount = lines.length;
     let i = 0;
     while(i < lineCount) {
-      let line = lines.item(i);
-      // A file-header pragma must precede the module keyword in the file.
-      if(line.innerText.indexOf("module ") === 0) {        
-        break;
-      } else {        
-        line.innerHTML = addLinksToLanguageExtensionsDocs(line.innerText);
-        i = i + 1;
+      const line = lines.item(i);
+      const lineText = line.textContent;
+      if(lineText) {
+        // A file-header pragma must precede the module keyword in the file.
+        if(lineText.indexOf("module ") === 0) {
+          break;
+        } else {
+          line.innerHTML = addLinksToLanguageExtensionsDocs(lineText);
+        }
       }
+      i = i + 1;
     }
     
     this.element.parentNode.scrollTop = 0;
-- 
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