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Table of contents Collapse/Expand not working
Bug: T327064
Change-Id: Ica3b43d51169d33b01d7203c3672c301e775ec04
(cherry picked from commit 96ff431213
)
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@ -79,6 +79,7 @@ module.exports = function tableOfContents( props ) {
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let SECTION_CLASS = 'sidebar-toc-list-item';
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let ACTIVE_SECTION_CLASS = 'sidebar-toc-list-item-active';
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let EXPANDED_SECTION_CLASS = 'sidebar-toc-list-item-expanded';
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let SIDEBAR_EXPANDED_SECTION_CLASS = 'sidebar-toc-list-item-expanded';
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let TOP_SECTION_CLASS = 'sidebar-toc-level-1';
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let ACTIVE_TOP_SECTION_CLASS = 'sidebar-toc-level-1-active';
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let LINK_CLASS = 'sidebar-toc-link';
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@ -239,6 +240,7 @@ module.exports = function tableOfContents( props ) {
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if ( topSection && toggle && expandedSections.indexOf( topSection ) < 0 ) {
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toggle.setAttribute( 'aria-expanded', 'true' );
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topSection.classList.add( EXPANDED_SECTION_CLASS );
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topSection.classList.add( SIDEBAR_EXPANDED_SECTION_CLASS );
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expandedSections.push( topSection );
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}
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}
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@ -292,6 +294,7 @@ module.exports = function tableOfContents( props ) {
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if ( isSelected && toggle && toggle.length > 0 ) {
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toggle[ 0 ].setAttribute( 'aria-expanded', 'false' );
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section.classList.remove( EXPANDED_SECTION_CLASS );
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section.classList.remove( SIDEBAR_EXPANDED_SECTION_CLASS );
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return false;
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}
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return true;
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@ -319,7 +322,7 @@ module.exports = function tableOfContents( props ) {
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function initializeExpandedStatus() {
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const parentSections = props.container.querySelectorAll( `.${TOP_SECTION_CLASS}` );
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parentSections.forEach( ( section ) => {
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const expanded = section.classList.contains( EXPANDED_SECTION_CLASS );
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const expanded = section.classList.contains( EXPANDED_SECTION_CLASS ) || section.classList.contains( SIDEBAR_EXPANDED_SECTION_CLASS );
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const toggle = section.querySelector( `.${TOGGLE_CLASS}` );
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if ( toggle ) {
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toggle.setAttribute( 'aria-expanded', expanded.toString() );
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@ -378,6 +381,7 @@ module.exports = function tableOfContents( props ) {
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SECTION_CLASS = 'vector-toc-list-item';
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ACTIVE_SECTION_CLASS = 'vector-toc-list-item-active';
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EXPANDED_SECTION_CLASS = 'vector-toc-list-item-expanded';
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SIDEBAR_EXPANDED_SECTION_CLASS = 'sidebar-toc-list-item-expanded';
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TOP_SECTION_CLASS = 'vector-toc-level-1';
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ACTIVE_TOP_SECTION_CLASS = 'vector-toc-level-1-active';
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LINK_CLASS = 'vector-toc-link';
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