From a10def7ccf773e055cfad4be0779cebe74273a66 Mon Sep 17 00:00:00 2001
From: abe33 <cedric.nehemie@gmail.com>
Date: Fri, 6 May 2016 10:16:35 +0200
Subject: [PATCH] :bug: Fix regression when reading tokens from line in old API

For #343
---
 lib/mixins/canvas-drawer.js | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/lib/mixins/canvas-drawer.js b/lib/mixins/canvas-drawer.js
index 4afdc268..0913776e 100644
--- a/lib/mixins/canvas-drawer.js
+++ b/lib/mixins/canvas-drawer.js
@@ -415,13 +415,20 @@ export default class CanvasDrawer extends Mixin {
     let tokenLines = []
     if (typeof editor.tokenizedLinesForScreenRows === 'function') {
       for (let tokenizedLine of editor.tokenizedLinesForScreenRows(startRow, endRow)) {
-        const invisibleRegExp = this.getInvisibleRegExpForLine(tokenizedLine)
-        tokenLines.push(tokenizedLine.tokens.map((token) => {
+        if (tokenizedLine) {
+          const invisibleRegExp = this.getInvisibleRegExpForLine(tokenizedLine)
+          tokenLines.push(tokenizedLine.tokens.map((token) => {
+            return {
+              value: token.value.replace(invisibleRegExp, ' '),
+              scopes: token.scopes.slice()
+            }
+          }))
+        } else {
           return {
-            value: token.value.replace(invisibleRegExp, ' '),
-            scopes: token.scopes.slice()
+            value: '',
+            scopes: []
           }
-        }))
+        }
       }
     } else {
       const displayLayer = editor.displayLayer