User:Enterprisey/talk-tab-count.js References

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This user script seems to have a documentation page at User:Enterprisey/talk-tab-count.

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$( function() {

    if( !document.getElementById( "ca-talk" ) ) return;



    // Insert count early

    var talkTabLink = document.getElementById( "ca-talk" ).childNodes0].childNodes0];

    talkTabLink.textContent += " (?)";



    // Determine the name of this page's associated talk page.

    // (If we're already on one, then talkPageName is set to wgPageName.)

    // The " | 1" part is to set the 1's place to a 1, which guarantees a talk namespace.

    var talkPageNamespace = mw.config.get( "wgFormattedNamespaces" )[ mw.config.get( "wgNamespaceNumber" ) | 1 ];

    var talkPageName = talkPageNamespace + ":" + mw.config.get( "wgTitle" );





    mw.loader.using(  "mediawiki.api"  ).then( function () {



        // Get the text of the talk page and count the level-2 headers

        ( new mw.Api() ).get( {

            prop: 'revisions',

            rvprop: 'content',

            rvlimit: 1,

            titles: talkPageName

        } ).done( function ( data ) {

            if ( !data.query || !data.query.pages ) return;

            var pageid = Object.getOwnPropertyNames( data.query.pages )[0],

                revisions = data.query.pagespageid].revisions;



            if( revisions === undefined ) {



                // The talk page does not exist

                talkTabLink.textContent = talkTabLink.textContent.replace( "(?)", "(0)" );

            } else {

                var text = revisions0]["*"];

                var HEADER_RE = /^\s*==\s*[^=]+?\s*==\s*$/gm;

                var headerMatchList = text.match( HEADER_RE );

                var headerCount = headerMatchList ? headerMatchList.length : 0;

                talkTabLink.textContent = talkTabLink.textContent.replace( "(?)", "(" + headerCount + ")" );

            }

        } );

    } );

} );