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Only track headings that are included in the table of contents 

Headings can also appear in templates inside divs and subtitles.
These do not
get rendered in the table of contents and should not be tracked.

This also excludes headings from the legacy table of contents which
may be in the article during the A/B test

See English Wikipedia examples [[Portal:Biography]] and [[Main page]]

Change-Id: I4ca8933a0e7736157f80e5e68077b153e5bfc81d
This commit is contained in:
Jon Robson 2022-03-31 09:30:36 -07:00 committed by Jdlrobson
parent 607f3279bd
commit 94c7f31082
1 changed files with 4 additions and 1 deletions
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5
resources/skins.vector.es6/main.js
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@ -186,8 +186,11 @@ const main = () => {
tableOfContents.toggleExpandSection( id );
}
} );
const headingSelector = [
'h1', 'h2', 'h3', 'h4', 'h5', 'h6'
].map( ( tag ) => `.mw-parser-output > ${tag}` ).join( ',' );
const sectionObserver = initSectionObserver( {
elements: bodyContent.querySelectorAll( 'h1, h2, h3, h4, h5, h6, .mw-body-content' ),
elements: bodyContent.querySelectorAll( `${headingSelector}, .mw-body-content` ),
topMargin: header ? header.getBoundingClientRect().height : 0,
onIntersection: getHeadingIntersectionHandler( tableOfContents.changeActiveSection )
} );