From fa1dd72980a1f73c7b682da9290338ad4c81cefe Mon Sep 17 00:00:00 2001
From: emyarod <afw5059@gmail.com>
Date: Thu, 9 Nov 2023 12:10:56 -0600
Subject: [PATCH] fix(tabs): remove overflow button conditional rendering check

Co-authored-by: Ariella Gilmore <ariellalgilmore@users.noreply.github.com>
---
 .../src/components/tabs/tabs.ts               | 65 ++++++++++++-------
 1 file changed, 42 insertions(+), 23 deletions(-)

diff --git a/packages/carbon-web-components/src/components/tabs/tabs.ts b/packages/carbon-web-components/src/components/tabs/tabs.ts
index 1c9b55bfcc1..9a532615a07 100644
--- a/packages/carbon-web-components/src/components/tabs/tabs.ts
+++ b/packages/carbon-web-components/src/components/tabs/tabs.ts
@@ -310,7 +310,7 @@ export default class CDSTabs extends HostListenerMixin(CDSContentSwitcher) {
   };
 
   /**
-   * Cleans-up and creats the intersection observer for the scrolling container.
+   * Cleans-up and creates the intersection observer for the scrolling container.
    *
    * @param [options] The options.
    * @param [options.create] `true` to create the new intersection observer.
@@ -411,14 +411,13 @@ export default class CDSTabs extends HostListenerMixin(CDSContentSwitcher) {
     }
   }
 
-  render() {
+  /**
+   * Render the previous button if tablist is wider than container.
+   */
+  protected renderPreviousButton() {
     const {
       _isIntersectionLeftTrackerInContent: isIntersectionLeftTrackerInContent,
-      _isIntersectionRightTrackerInContent: isIntersectionRightTrackerInContent,
-      _assistiveStatusText: assistiveStatusText,
-      _handleSlotchange: handleSlotchange,
     } = this;
-
     const previousButtonClasses = classMap({
       [`${prefix}--tab--overflow-nav-button`]: true,
       [`${prefix}--tabs__nav-caret-left`]: true,
@@ -426,6 +425,28 @@ export default class CDSTabs extends HostListenerMixin(CDSContentSwitcher) {
       [`${prefix}--tab--overflow-nav-button--hidden`]:
         isIntersectionLeftTrackerInContent,
     });
+    return html`
+      <button
+        part="prev-button"
+        tabindex="-1"
+        aria-hidden="true"
+        class="${previousButtonClasses}"
+        @click=${(_) =>
+          this._handleScrollButtonClick(_, {
+            direction: NAVIGATION_DIRECTION.Left,
+          })}>
+        ${ChevronLeft16()}
+      </button>
+    `;
+  }
+
+  /**
+   * Render the next button if tablist is wider than container.
+   */
+  protected renderNextButton() {
+    const {
+      _isIntersectionRightTrackerInContent: isIntersectionRightTrackerInContent,
+    } = this;
     const nextButtonClasses = classMap({
       [`${prefix}--tab--overflow-nav-button`]: true,
       [`${prefix}--tabs__nav-caret-right`]: true,
@@ -433,20 +454,29 @@ export default class CDSTabs extends HostListenerMixin(CDSContentSwitcher) {
       [`${prefix}--tab--overflow-nav-button--hidden`]:
         isIntersectionRightTrackerInContent,
     });
-
     return html`
       <button
-        part="prev-button"
+        part="next-button"
         tabindex="-1"
         aria-hidden="true"
-        class="${previousButtonClasses}"
+        class="${nextButtonClasses}"
         @click=${(_) =>
           this._handleScrollButtonClick(_, {
-            direction: NAVIGATION_DIRECTION.Left,
+            direction: NAVIGATION_DIRECTION.Right,
           })}>
-        ${ChevronLeft16()}
+        ${ChevronRight16()}
       </button>
+    `;
+  }
+
+  render() {
+    const {
+      _assistiveStatusText: assistiveStatusText,
+      _handleSlotchange: handleSlotchange,
+    } = this;
 
+    return html`
+      ${this.renderPreviousButton()}
       <div class="${prefix}--tabs-nav-content-container">
         <div class="${prefix}--tabs-nav-content">
           <div class="${prefix}--tabs-nav">
@@ -458,18 +488,7 @@ export default class CDSTabs extends HostListenerMixin(CDSContentSwitcher) {
           </div>
         </div>
       </div>
-
-      <button
-        part="next-button"
-        tabindex="-1"
-        aria-hidden="true"
-        class="${nextButtonClasses}"
-        @click=${(_) =>
-          this._handleScrollButtonClick(_, {
-            direction: NAVIGATION_DIRECTION.Right,
-          })}>
-        ${ChevronRight16()}
-      </button>
+      ${this.renderNextButton()}
       <div
         class="${prefix}--assistive-text"
         role="status"