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Merge "Add check for activeTopSection in activateSection"

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jenkins-bot 2023-01-30 23:35:59 +00:00 committed by Gerrit Code Review
parent ce0002916c 15cd69b169
commit dcce19c56f
1 changed files with 5 additions and 2 deletions
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7
resources/skins.vector.es6/tableOfContents.js
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@ -132,9 +132,12 @@ module.exports = function tableOfContents( props ) {
}
// Assign the active top and sub sections, apply classes
activeTopSection = /** @type {HTMLElement} */ ( selectedTocSection.closest( `.${TOP_SECTION_CLASS}` ) );
activeTopSection = /** @type {HTMLElement|undefined} */ ( selectedTocSection.closest( `.${TOP_SECTION_CLASS}` ) );
if ( activeTopSection ) {
// T328089 Sometimes activeTopSection is null
activeTopSection.classList.add( ACTIVE_TOP_SECTION_CLASS );
}
activeSubSection = selectedTocSection;
activeTopSection.classList.add( ACTIVE_TOP_SECTION_CLASS );
activeSubSection.classList.add( ACTIVE_SECTION_CLASS );
}