From 33c55db80802ce4be9d2347c22e6d68823a46b0a Mon Sep 17 00:00:00 2001
From: Nicolas Coden <nicolas@ncoden.fr>
Date: Tue, 9 Oct 2018 23:49:11 +0200
Subject: [PATCH] fix: fix scroll to deep-linking default anchor on
 initialization in Tabs/Accordion

Related to https://github.com/zurb/foundation-sites/issues/11527
---
 js/foundation.accordion.js | 12 +++++++++---
 js/foundation.tabs.js      | 11 ++++++++---
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/js/foundation.accordion.js b/js/foundation.accordion.js
index 78bf35aa8..13ab360d6 100644
--- a/js/foundation.accordion.js
+++ b/js/foundation.accordion.js
@@ -40,6 +40,8 @@ class Accordion extends Plugin {
    * @private
    */
   _init() {
+    this._isInitializing = true;
+
     this.$element.attr('role', 'tablist');
     this.$tabs = this.$element.children('[data-accordion-item]');
 
@@ -70,9 +72,11 @@ class Accordion extends Plugin {
     this._checkDeepLink = () => {
       var anchor = window.location.hash;
 
-      // If there is no anchor, return to the initial panel
-      if (!anchor.length && this._initialAnchor) {
-        anchor = this._initialAnchor;
+      if (!anchor.length) {
+        // If we are still initializing and there is no anchor, then there is nothing to do
+        if (this._isInitializing) return;
+        // Otherwise, move to the initial anchor
+        if (this._initialAnchor) anchor = this._initialAnchor;
       }
 
       var $anchor = anchor && $(anchor);
@@ -112,6 +116,8 @@ class Accordion extends Plugin {
     }
 
     this._events();
+
+    this._isInitializing = false;
   }
 
   /**
diff --git a/js/foundation.tabs.js b/js/foundation.tabs.js
index ba35f4afc..d780646c0 100644
--- a/js/foundation.tabs.js
+++ b/js/foundation.tabs.js
@@ -45,6 +45,7 @@ class Tabs extends Plugin {
    */
   _init() {
     var _this = this;
+    this._isInitializing = true;
 
     this.$element.attr({'role': 'tablist'});
     this.$tabTitles = this.$element.find(`.${this.options.linkClass}`);
@@ -105,9 +106,11 @@ class Tabs extends Plugin {
     this._checkDeepLink = () => {
       var anchor = window.location.hash;
 
-      // If there is no anchor, return to the initial panel
-      if (!anchor.length && this._initialAnchor) {
-        anchor = this._initialAnchor;
+      if (!anchor.length) {
+        // If we are still initializing and there is no anchor, then there is nothing to do
+        if (this._isInitializing) return;
+        // Otherwise, move to the initial anchor
+        if (this._initialAnchor) anchor = this._initialAnchor;
       }
 
       var anchorNoHash = anchor.indexOf('#') >= 0 ? anchor.slice(1) : anchor;
@@ -144,6 +147,8 @@ class Tabs extends Plugin {
     }
 
     this._events();
+
+    this._isInitializing = false;
   }
 
   /**
-- 
2.47.3