From adba9415b3bc9fe21c45e09c0e6520d8282eb28f Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Thu, 23 Jul 2020 09:25:01 +0100
Subject: [PATCH] Fix Firefox composer regression exception

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/editor/render.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/editor/render.ts b/src/editor/render.ts
index e0f7c07975..8aa5c5dea9 100644
--- a/src/editor/render.ts
+++ b/src/editor/render.ts
@@ -162,10 +162,10 @@ export function renderModel(editor: HTMLDivElement, model: EditorModel) {
     lines.forEach((parts, i) => {
         // find first (and remove anything else) div without className
         // (as browsers insert these in contenteditable) line container
-        let lineContainer = editor.children[i];
-        while (lineContainer && (lineContainer.tagName !== "DIV" || !!lineContainer.className)) {
+        let lineContainer = editor.childNodes[i];
+        while (lineContainer && ((<Element>lineContainer).tagName !== "DIV" || !!(<Element>lineContainer).className)) {
             editor.removeChild(lineContainer);
-            lineContainer = editor.children[i];
+            lineContainer = editor.childNodes[i];
         }
         if (!lineContainer) {
             lineContainer = document.createElement("div");