From 6c6a5f585783ede7054d10d7401211a21bbcf873 Mon Sep 17 00:00:00 2001
From: vivienzhou2014 <vivienzhou2014@gmail.com>
Date: Tue, 26 Mar 2024 11:46:24 -0700
Subject: [PATCH] fixed the line 437 that 0 is ignored when initial_zoom is
 defined as 0

Co-authored-by: Jesus Garcia Loyola <jgarcialoyola@csumb.edu>
Co-authored-by: Abrham Tamiru <abrham.tamiru01@student.csulb.edu>
---
 src/js/timeline/Timeline.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/timeline/Timeline.js b/src/js/timeline/Timeline.js
index 97106097..b3103c37 100644
--- a/src/js/timeline/Timeline.js
+++ b/src/js/timeline/Timeline.js
@@ -434,7 +434,7 @@ class Timeline {
         this._timenav.init();
 
         // intial_zoom cannot be applied before the timenav has been created
-        if (this.options.initial_zoom) {
+        if (this.options.initial_zoom !== undefined && this.options.initial_zoom !== null) {
             // at this point, this.options refers to the merged set of options
             this.setZoom(this.options.initial_zoom);
         }