From b1e914575d465dc12d5672bb07fe8cbad6b5ebd5 Mon Sep 17 00:00:00 2001
From: varkor <github@varkor.com>
Date: Wed, 25 Nov 2020 17:24:12 +0000
Subject: [PATCH] Fix support for Firefox and Safari

---
 src/quiver.js | 1 -
 src/ui.js     | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/quiver.js b/src/quiver.js
index 45afc4b..a449ab1 100644
--- a/src/quiver.js
+++ b/src/quiver.js
@@ -369,7 +369,6 @@ QuiverExport.tikz_cd = new class extends QuiverExport {
                     + TIKZ_VERTICAL_MULTIPLIER ** 2 * Math.cos(edge.angle()) ** 2) ** 0.5);
 
                 if (edge.options.curve !== 0) {
-                    has_curves = true;
                     parameters.push(
                         `curve={height=${
                             // Using a fixed multiplier for curves of any angle tends to work better
diff --git a/src/ui.js b/src/ui.js
index 198c708..f2bad7a 100644
--- a/src/ui.js
+++ b/src/ui.js
@@ -5261,7 +5261,7 @@ class Edge extends Cell {
 
             for (const [key, value] of Object.entries(source)) {
                 if (typeof value === "object") {
-                    target[key] ||= {};
+                    target[key] = target[key] || {};
                     deep_assign(target[key], value);
                 } else {
                     target[key] = value;