MediaWiki:Common.js: Difference between revisions

( function () {

  var LS_SCRIPT_KEY = 'grantha_reader_script';

  var currentScript = 'deva';

  function devanagariToIAST( text ) {

    var CONSONANTS = {

      'क':'k','ख':'kh','ग':'g','घ':'gh','ङ':'ṅ',

      'च':'c','छ':'ch','ज':'j','झ':'jh','ञ':'ñ',

      'ट':'ṭ','ठ':'ṭh','ड':'ḍ','ढ':'ḍh','ण':'ṇ',

      'त':'t','थ':'th','द':'d','ध':'dh','न':'n',

      'प':'p','फ':'ph','ब':'b','भ':'bh','म':'m',

      'य':'y','र':'r','ल':'l','ळ':'ḷ','व':'v',

      'श':'ś','ष':'ṣ','स':'s','ह':'h'

    };

    var DIACRITICS = {

      'ा':'ā','ि':'i','ी':'ī','ु':'u','ू':'ū',

      'ृ':'ṛ','ॄ':'ṝ','े':'e','ै':'ai','ो':'o','ौ':'au'

    };

    var VOWELS = {

      'अ':'a','आ':'ā','इ':'i','ई':'ī','उ':'u','ऊ':'ū',

      'ऋ':'ṛ','ॠ':'ṝ','ए':'e','ऐ':'ai','ओ':'o','औ':'au','ऽ':"'"

    };

    var MISC = {

      'ं':'ṃ','ः':'ḥ','ँ':'m̐','ॐ':'oṃ',

      '०':'0','१':'1','२':'2','३':'3','४':'4',

      '५':'5','६':'6','७':'7','८':'8','९':'9'

    };

    var HALANTA = '्';

    var chars = Array.from( text );

    var result = '';

    var i = 0;

    while ( i < chars.length ) {

      var ch   = chars[ i ];

      var next = chars[ i + 1 ];

      if ( CONSONANTS[ ch ] ) {

        var base = CONSONANTS[ ch ];

        if ( next === HALANTA )         { result += base;               i += 2; }

        else if ( DIACRITICS[ next ] )   { result += base + DIACRITICS[ next ]; i += 2; }

        else if ( next === 'ं' || next === 'ः' ) { result += base + 'a' + MISC[ next ]; i += 2; }

        else                             { result += base + 'a';         i++;   }

      } else if ( VOWELS[ ch ] )         { result += VOWELS[ ch ];       i++; }

      else if ( DIACRITICS[ ch ] )       { result += DIACRITICS[ ch ];   i++; }

      else if ( MISC[ ch ] )             { result += MISC[ ch ];         i++; }

      else                               { result += ch;                 i++; }

  var SCRIPT_MAP = {

    kn: {

      'अ':'ಅ','आ':'ಆ','इ':'ಇ','ई':'ಈ','उ':'ಉ','ऊ':'ಊ','ऋ':'ಋ',

      'ए':'ಏ','ऐ':'ಐ','ओ':'ಓ','औ':'ಔ','ऽ':'ಽ',

      'क':'ಕ','ख':'ಖ','ग':'ಗ','घ':'ಘ','ङ':'ಙ',

      'च':'ಚ','छ':'ಛ','ज':'ಜ','झ':'ಝ','ञ':'ಞ',

      'ट':'ಟ','ठ':'ಠ','ड':'ಡ','ढ':'ಢ','ण':'ಣ',

      'त':'ತ','थ':'ಥ','द':'ದ','ध':'ಧ','न':'ನ',

      'प':'ಪ','फ':'ಫ','ब':'ಬ','भ':'ಭ','म':'ಮ',

      'य':'ಯ','र':'ರ','ल':'ಲ','व':'ವ',

      'श':'ಶ','ष':'ಷ','स':'ಸ','ह':'ಹ',

      'ा':'ಾ','ि':'ಿ','ी':'ೀ','ु':'ು','ू':'ೂ',

      'ृ':'ೃ','े':'ೇ','ै':'ೈ','ो':'ೋ','ौ':'ೌ',

      'ं':'ಂ','ः':'ಃ','्':'್',

      '०':'೦','१':'೧','२':'೨','३':'೩','४':'೪',

      '५':'೫','६':'೬','७':'೭','८':'೮','९':'೯'

    },

    ta: {

      'अ':'அ','आ':'ஆ','इ':'இ','ई':'ஈ','उ':'உ','ऊ':'ஊ',

      'ऋ':'ரு','ॠ':'ரூ',

      'ए':'ஏ','ऐ':'ஐ','ओ':'ஓ','औ':'ஔ',

      'क':'க','ख':'க','ग':'க','घ':'க','ङ':'ங',

      'च':'ச','छ':'ச','ज':'ஜ','झ':'ஜ','ञ':'ஞ',

      'ட':'ட','ठ':'ட','ड':'ட','ढ':'ட','ண':'ண',

      'त':'த','थ':'த','द':'த','ध':'த','न':'ந',

      'प':'ப','फ':'ப','ब':'ப','भ':'ப','म':'ம',

      'य':'ய','र':'ர','ल':'ல','ळ':'ழ','व':'வ',

      'श':'ஶ','ष':'ஷ','स':'ஸ','ह':'ஹ',

      'ा':'ா','ि':'ி','ी':'ீ','ु':'ு','ू':'ூ',

      'ृ':'ு','ॄ':'ூ',

      'े':'ே','ை':'ை','ो':'ோ','ौ':'ௌ',

      'ं':'ம்','ः':':','ँ':'ம்','्':'்','ॐ':'ௐ','ऽ':'ௗ',

      '०':'0','१':'1','२':'2','३':'3','४':'4',

      '५':'5','६':'6','७':'7','८':'8','९':'9'

    }

  };

  var PRE = [

    [ /ङ्क/g, 'ंक' ], [ /ङ्ख/g, 'ंख' ], [ /ङ्ग/g, 'ंग' ], [ /ङ्घ/g, 'ंघ' ],

    [ /ञ्च/g, 'ंच' ], [ /ञ्ज/g, 'ंज' ], [ /ण्ट/g, 'ंट' ], [ /ण्ड/g, 'ंड' ],

    [ /न्त/g, 'ंत' ], [ /न्द/g, 'ंद' ], [ /म्ब/g, 'ंब' ], [ /म्भ/g, 'ंभ' ]

  ];

  function transliterateText( text, script ) {

    if ( script === 'en' ) return devanagariToIAST( text );

    var map = SCRIPT_MAP[ script ];

    if ( !map ) return text;

    var t = text;

    PRE.forEach( function ( p ) { t = t.replace( p[ 0 ], p[ 1 ] ); } );

    return Array.from( t ).map( function ( ch ) {

      return map[ ch ] !== undefined ? map[ ch ] : ch;

    } ).join( '' );

  }

  var translatableSpans = [];

  function tagTextNodes() {

    var content = document.querySelector( '.mw-parser-output' );

    if ( content ) {

      var walker = document.createTreeWalker( content, NodeFilter.SHOW_TEXT );

      var nodes = [];

      while ( walker.nextNode() ) nodes.push( walker.currentNode );

      nodes.forEach( function ( node ) {

        var p = node.parentNode;

        if ( !p ) return;

        if ( p.hasAttribute && p.hasAttribute( 'data-deva' ) ) return;

        if ( p.closest ) {

          if ( p.closest( '.gr-controls' )   ) return;

          if ( p.closest( '.mw-editsection' ) ) return;

         var orig = node.textContent;

        if ( !orig.trim() ) return;

        span.setAttribute( 'data-deva', orig );

        translatableSpans.push( span );

      } );

  function applyScript( script ) {

    currentScript = script;

    translatableSpans.forEach( function ( span ) {

      if ( !span.parentNode ) return;

      var orig = span.getAttribute( 'data-deva' );

      if ( !orig ) return;

      span.textContent = ( script === 'deva' )

        ? orig

        : transliterateText( orig, script );

    } );

  }

  function _isNoTocPage() {

    var pn = ( window.mw && mw.config && mw.config.get( 'wgPageName' ) ) || '';

    return pn === 'Main_Page' || /^[A-Za-z0-9_]+:About$/.test( pn );

  }

  function renameTocTitle() {

    if ( _isNoTocPage() ) return;

    var toc = document.querySelector('.vector-toc');

    if ( !toc ) return;

    var titleEl = toc.querySelector('.vector-toc-title') || toc.querySelector('.vector-pinnable-header-label');

    if ( !titleEl ) return;

    var LABEL = 'विषयसूची';

    var span = titleEl.querySelector('.gr-toc-title');

    if ( !span ) {

      titleEl.innerHTML = '';

      span = document.createElement('span');

      span.className = 'gr-toc-title';

      span.setAttribute('data-deva', LABEL);

      titleEl.appendChild(span);

      translatableSpans.push(span);

  function removeTocBeginning() {

    if ( _isNoTocPage() ) return;

    var toc = document.querySelector( '.vector-toc' );

    if ( !toc ) return;

    var el = toc.querySelector( '#vector-toc-beginning' );

    if ( !el ) {

      var items = toc.querySelectorAll( '.vector-toc-list-item' );

      for ( var i = 0; i < items.length; i++ ) {

        var a = items[ i ].querySelector( 'a' );

        if ( a ) {

          var href = a.getAttribute( 'href' ) || '';

          if ( href.indexOf( '#' ) === -1 ) { el = items[ i ]; break; }

  function expandTocSections() {

    if ( _isNoTocPage() ) return;

    var toc = document.querySelector( '.vector-toc' );

    if ( !toc ) return;

    toc.querySelectorAll( '.vector-toc-list-item-collapsed' ).forEach( function ( li ) {

      li.classList.remove( 'vector-toc-list-item-collapsed' );

    } );

  }

  function injectTocDocNav() {

    if ( _isNoTocPage() ) return;

    var toc = document.querySelector( '.vector-toc' );

    if ( !toc ) return;

    if ( document.getElementById( 'gr-toc-doc-nav' ) ) return;

    var artPath   = ( window.mw && mw.config && mw.config.get( 'wgArticlePath' ) ) || '/wiki/$1';

    var pageTitle = ( window.mw && mw.config && mw.config.get( 'wgPageName'   ) ) || '';

    var teekaPage   = document.querySelector( '.gr-teeka-page' );

    var primarySlug = teekaPage ? ( teekaPage.getAttribute( 'data-primary' ) || '' ) : '';

    if ( !primarySlug ) { primarySlug = pageTitle.split( '/' )[ 0 ]; }

    if ( !primarySlug ) return;

    function wikiUrl( slug ) {

      if ( window.mw && mw.util && mw.util.getUrl ) return mw.util.getUrl( slug );

      return artPath.replace( '$1', encodeURIComponent( slug ).replace( /%2F/g, '/' ) );

     var docTitleEl     = document.querySelector( '.gr-doc-title' );

    var hasMoolaPage  = docTitleEl && docTitleEl.getAttribute( 'data-has-moola' )   === '1';

    var hasUllekhaPage = docTitleEl && docTitleEl.getAttribute( 'data-has-ullekha' ) === '1';

    var showMoolaPage  = !teekaPage && hasMoolaPage;

    var showMoolaBack  = !!teekaPage;

    var showUllekha    = hasUllekhaPage || !!teekaPage;

    if ( !showMoolaPage && !showMoolaBack && !showUllekha ) return;

    var nav = document.createElement( 'div' );

    nav.id = 'gr-toc-doc-nav';

    nav.setAttribute( 'class', 'toc-main-links' );

    function makeBtn( href, label ) {

      var a = document.createElement( 'a' );

      a.href = href;

      a.setAttribute( 'class', 'toc-main-link-item' );

      var lspan = document.createElement( 'span' );

      lspan.setAttribute( 'data-deva', label );

      lspan.textContent = ( currentScript && currentScript !== 'deva' ) ? transliterateText( label, currentScript ) : label;

      translatableSpans.push( lspan );

      a.appendChild( lspan );

      a.addEventListener( 'mouseover', function () { this.style.opacity = '0.72'; } );

      a.addEventListener( 'mouseout',  function () { this.style.opacity = '1';    } );

      return a;

  var _headingObserver = null;

  function attachHeadingObserver() {

    var ACTIVE_COLOR = '#f57c00';

    var content  = document.querySelector( '.mw-parser-output' );

    if ( !content ) return;

    var headings = Array.from( content.querySelectorAll( 'h1[id],h2[id],h3[id],h4[id],h5[id],h6[id]' ) );

    var toc = document.querySelector( '.vector-toc' );

    if ( !toc ) return;

    function getTocLink( id ) { return toc.querySelector( 'a[href="#' + CSS.escape( id ) + '"]' ); }

    function getTocLi( id ) { var a = getTocLink( id ); return a ? a.closest( '.vector-toc-list-item' ) : null; }

    function clearActive() {

      toc.querySelectorAll( '.vector-toc-list-item' ).forEach( function ( li ) {

         li.classList.remove( 'vector-toc-list-item-active' );

         var lnk = li.querySelector( '.vector-toc-link' );

        if ( !lnk ) return;

        lnk.style.removeProperty( 'color' );

        lnk.style.setProperty( 'font-weight', '400', 'important' );

        lnk.querySelectorAll( '*' ).forEach( function ( el ) { el.style.removeProperty( 'color' ); el.style.setProperty( 'font-weight', '400', 'important' ); } );

      } );

    function setActive( id ) {

      if ( _activeId === id ) return;

      clearActive();

      if ( !id ) return;

      var li = getTocLi( id );

      if ( !li ) return;

      li.classList.add( 'vector-toc-list-item-active' );

      var hasActiveChild = !!li.querySelector( '.vector-toc-list-item .vector-toc-list-item-active' );

      if ( !hasActiveChild ) {

        var lnk = li.querySelector( '.vector-toc-link' );

        if ( lnk ) {

          lnk.style.setProperty( 'color', ACTIVE_COLOR, 'important' );

          lnk.style.setProperty( 'font-weight', '700', 'important' );

          lnk.querySelectorAll( '*' ).forEach( function ( el ) { el.style.setProperty( 'color', ACTIVE_COLOR, 'important' ); el.style.setProperty( 'font-weight', '700', 'important' ); } );

      var anc = li.parentNode;

      while ( anc && anc !== toc ) {

        if ( anc.classList ) anc.classList.remove( 'vector-toc-list-item-collapsed' );

         if ( anc.tagName === 'UL' || anc.tagName === 'LI' ) anc.style.removeProperty( 'display' );

         anc = anc.parentNode;

      var sticky = document.querySelector( '.vector-sticky-pinned-container' );

      var scrollEl = sticky || toc;

      if ( scrollEl.scrollHeight > scrollEl.clientHeight ) {

        var lr = li.getBoundingClientRect();

        var cr = scrollEl.getBoundingClientRect();

        if ( lr.top < cr.top + 8 || lr.bottom > cr.bottom - 8 ) {

          scrollEl.scrollTop += lr.top - cr.top - scrollEl.clientHeight / 2 + li.offsetHeight / 2;

      }

  function setupToc() {

    var toc = document.querySelector( '.vector-toc' );

    if ( !toc ) return;

    removeTocBeginning();

     renameTocTitle();

    injectTocDocNav();

  function init() {

    var HIDE_IDS = [ 'vector-appearance', 'vector-appearance-pinned-container', 'vector-appearance-unpinned-container' ];

    function removeHiddenEls() {

      HIDE_IDS.forEach( function ( id ) { var el = document.getElementById( id ); if ( el && el.parentNode ) el.parentNode.removeChild( el ); } );

      var pt = document.getElementById( 'vector-page-tools' ) || document.querySelector( '.vector-page-tools-pinned-container' );

      if ( pt ) pt.querySelectorAll( '[aria-controls="vector-appearance"]' ).forEach( function ( el ) { if ( el.parentNode ) el.parentNode.removeChild( el ); } );

     removeHiddenEls();

     ( function detectTeekaMode() {

      var tp = document.querySelector( '.gr-teeka-page' );

      if ( !tp ) return;

      var primary = tp.getAttribute( 'data-primary' ) || '';

      var artPath = ( window.mw && mw.config.get( 'wgArticlePath' ) ) || '/wiki/$1';

      var mainUrl = artPath.replace( '$1', primary );

      setTimeout( function () { hideObs.disconnect(); }, 6000 );

     var content = document.querySelector( '.mw-parser-output' );

    var alreadyTagged = content && content.querySelector( '[data-deva]' );

     if ( !alreadyTagged ) { translatableSpans = []; tagTextNodes(); }

      document.querySelectorAll( '.vector-toc .vector-toc-text:not([data-deva])' ).forEach( function ( span ) {

        var orig = span.textContent; if ( !orig.trim() ) return;

         span.setAttribute( 'data-deva', orig ); translatableSpans.push( span );

      } );

     var saved = ( function () { try { return localStorage.getItem( LS_SCRIPT_KEY ); } catch ( e ) { return null; } }() );

    if ( saved && saved !== 'deva' ) { applyScript( saved ); } else { currentScript = 'deva'; }

    setTimeout( setupToc, 200 );

  window.addEventListener( 'gr-script-change', function ( e ) {

    var script = e && e.detail && e.detail.script;

    if ( script ) applyScript( script );

  } );

  window.addEventListener( 'gr-new-content', function ( e ) {

    var container = e && e.detail && e.detail.container;

    if ( !container ) return;

    var walker = document.createTreeWalker( container, NodeFilter.SHOW_TEXT );

    var nodes = [];

    while ( walker.nextNode() ) nodes.push( walker.currentNode );

      if ( !p || ( p.hasAttribute && p.hasAttribute( 'data-deva' ) ) ) return;

      var orig = node.textContent;

      if ( !orig.trim() ) return;

      var span = document.createElement( 'span' );

      span.setAttribute( 'data-deva', orig );

      span.textContent = currentScript !== 'deva' ? transliterateText( orig, currentScript ) : orig;

      p.replaceChild( span, node );

      translatableSpans.push( span );

    } );

  } );

  try {

    var _grBC = new BroadcastChannel( 'gr-script' );

    _grBC.onmessage = function ( e ) {

      var script = e && e.data && e.data.script;

      if ( script ) { currentScript = script; var sel = document.querySelector( '.gr-script-sel' ); if ( sel ) sel.value = script; applyScript( script ); }

    };

  } catch ( e ) {}

    mw.hook( 'wikipage.content' ).add( function () {

      setTimeout( function () {

        var content = document.querySelector( '.mw-parser-output' );

        var alreadyTagged = content && content.querySelector( '[data-deva]' );

        if ( !alreadyTagged ) { translatableSpans = []; tagTextNodes(); }

          document.querySelectorAll( '.vector-toc .vector-toc-text:not([data-deva])' ).forEach( function ( span ) {

            var orig = span.textContent; if ( !orig.trim() ) return;

             span.setAttribute( 'data-deva', orig ); translatableSpans.push( span );

          } );

  if ( document.readyState === 'loading' ) { document.addEventListener( 'DOMContentLoaded', init ); }

  else { init(); }

}() );   /* ← end of main IIFE */

    if ( window.mw && mw.util && mw.util.getUrl ) return mw.util.getUrl( title );

    var ap = ( window.mw && mw.config && mw.config.get( 'wgArticlePath' ) ) || '/wiki/$1';

    return ap.replace( '$1', title );

    a.addEventListener( 'mouseout',  function () { this.style.color = 'rgba(255,255,255,0.88)'; this.style.background = 'transparent'; } );

    return a;

    var aboutLink = makeHeaderLink( 'gr-about-link', wikiHref( 'My_wiki:About' ), 'About' );

     var ul = document.querySelector( '.vector-user-links' ) || document.querySelector( '#pt-userpage' );

    if ( ul && ul.parentNode === headerEnd ) { headerEnd.insertBefore( aboutLink, ul ); headerEnd.insertBefore( helpLink, aboutLink ); }

     else { headerEnd.appendChild( helpLink ); headerEnd.appendChild( aboutLink ); }

  if ( document.readyState === 'loading' ) document.addEventListener( 'DOMContentLoaded', injectHeaderLinks );

  else injectHeaderLinks();

}() );

( function () {

  function grHomeView( v ) {

    var gView = document.getElementById( 'gr-view-grantha' );

    var aView = document.getElementById( 'gr-view-author' );

    var gBtn = document.getElementById( 'gr-toggle-grantha' );

    var aBtn = document.getElementById( 'gr-toggle-author' );

    if ( !gView || !aView || !gBtn || !aBtn ) return;

    gView.style.display = ( v === 'grantha' ) ? '' : 'none';

    aView.style.display = ( v === 'author' ) ? '' : 'none';

    gBtn.className = 'gr-toggle-btn' + ( v === 'grantha' ? ' gr-toggle-active' : '' );

    aBtn.className = 'gr-toggle-btn' + ( v === 'author' ? ' gr-toggle-active' : '' );

    try { localStorage.setItem( 'gr_home_view', v ); } catch ( e ) {}

  }

  function initHomeToggle() {

    var gBtn = document.getElementById( 'gr-toggle-grantha' );

    var aBtn = document.getElementById( 'gr-toggle-author' );

    if ( !gBtn || !aBtn ) return;

    gBtn.addEventListener( 'click', function () { grHomeView( 'grantha' ); } );

    aBtn.addEventListener( 'click', function () { grHomeView( 'author' ); } );

    [ gBtn, aBtn ].forEach( function ( btn ) { btn.addEventListener( 'keydown', function ( e ) { if ( e.key === 'Enter' || e.key === ' ' ) btn.click(); } ); } );

    var saved; try { saved = localStorage.getItem( 'gr_home_view' ); } catch ( e ) {}

    if ( saved === 'author' ) grHomeView( 'author' );

  }

  if ( document.readyState === 'loading' ) document.addEventListener( 'DOMContentLoaded', initHomeToggle );

  else initHomeToggle();

}() );

( function () {

  function highlightOnArrival() {

    var search = window.location.search;

    if ( !search ) return;

    var m = search.match( /[?&]hlUllekha=([^&]+)/ );

    if ( !m ) return;

    var needle;

    try { needle = decodeURIComponent( m[ 1 ] ); } catch ( e ) { return; }

    if ( !needle || needle.length < 4 ) return;

    function doHighlight() {

      var content = document.querySelector( '.mw-parser-output' );

      if ( !content ) return;

      var snippet = needle.slice( 0, 40 );

      var found   = false;

      var spans = content.querySelectorAll( '[data-deva]' );

      for ( var i = 0; i < spans.length && !found; i++ ) {

        var spanEl = spans[ i ];

        var orig   = spanEl.getAttribute( 'data-deva' ) || '';

        if ( orig.indexOf( snippet ) === -1 ) continue;

        var idx   = orig.indexOf( snippet );

        var hlText = orig.slice( idx, Math.min( idx + needle.length, orig.length ) );

        var mark   = document.createElement( 'mark' );

        mark.className = 'gr-ullekha-highlight';

        mark.style.cssText = 'background:#fff176;border-radius:2px;padding:0 2px;';

        mark.textContent = hlText;

        var parent = spanEl.parentNode;

        if ( !parent ) continue;

        var before = document.createTextNode( orig.slice( 0, idx ) );

        var after = document.createTextNode( orig.slice( idx + hlText.length ) );

        parent.insertBefore( before, spanEl ); parent.insertBefore( mark, spanEl ); parent.insertBefore( after, spanEl ); parent.removeChild( spanEl );

        setTimeout( function () { mark.scrollIntoView( { behavior: 'smooth', block: 'center' } ); }, 100 );

        found = true;

      }

      if ( !found ) {

        var walker = document.createTreeWalker( content, NodeFilter.SHOW_TEXT );

        while ( walker.nextNode() && !found ) {

          var node = walker.currentNode;

          var txt = node.textContent || '';

          if ( txt.indexOf( snippet ) === -1 ) continue;

          var idx2 = txt.indexOf( snippet );

          var mark2 = document.createElement( 'mark' );

          mark2.className = 'gr-ullekha-highlight';

          mark2.style.cssText = 'background:#fff176;border-radius:2px;padding:0 2px;';

          mark2.textContent = txt.slice( idx2, Math.min( idx2 + needle.length, txt.length ) );

          var p = node.parentNode;

          p.insertBefore( document.createTextNode( txt.slice( 0, idx2 ) ), node );

          p.insertBefore( mark2, node );

          p.insertBefore( document.createTextNode( txt.slice( idx2 + mark2.textContent.length ) ), node );

          p.removeChild( node );

          setTimeout( function () { mark2.scrollIntoView( { behavior: 'smooth', block: 'center' } ); }, 100 );

          found = true;

      }

     doHighlight();

  if ( document.readyState === 'loading' ) { document.addEventListener( 'DOMContentLoaded', function () { highlightOnArrival(); wireUllekhaLinks(); } ); }

  else { highlightOnArrival(); wireUllekhaLinks(); }

}() );

/* Replace the ENTIRE search highlight IIFE in MediaWiki:Common.js

  * (from "( function () {" before "function storeQueryForLink"

* Changes vs previous version:

  * - storeQueryForLink: also stores wgPageName as title fallback

  * - applyHighlight: path check uses both pathname AND title fallback

  * - sessionStorage key cleared AFTER highlight runs, not before

  * - wrapMatches: unchanged from original working version

( function () {

  function storeQueryForLink( url, query ) {

    try {

      var a = document.createElement( 'a' );

      sessionStorage.setItem( 'gr_search_hl', JSON.stringify({

      }) );

    } catch(e) {}

    var stored;

      stored = JSON.parse( sessionStorage.getItem( 'gr_search_hl' ) || 'null' );

    if ( !stored || !stored.query ) return;

    var currentPath = window.location.pathname;

    var storedPath = stored.pathname || '';

    function normPath(p) {

      return decodeURIComponent(p).replace(/\/+$/, '').replace(/_/g, ' ');

    /* Primary: pathname match. Fallback: stored path's last segment matches

    var pageTitle  = (window.mw && mw.config && mw.config.get('wgPageName') || '').replace(/_/g,' ');

    var storedPage = normPath(storedPath).replace(/^\//, '');

    if ( storedPath && !pathMatch && !titleMatch ) {

      try { sessionStorage.removeItem( 'gr_search_hl' ); } catch(e) {}

      return;

     var query = stored.query.trim();

    if ( !query ) return;

    /* Remove key now — committed to running on this page */

    try { sessionStorage.removeItem( 'gr_search_hl' ); } catch(e) {}

    var delays = [ 0, 200, 500, 1000, 2000 ];

    delays.forEach( function(ms) {

      setTimeout( function() {

        if ( document.querySelector( '.gr-search-hl' ) ) return; /* already done */

         highlightText( query );

    } );

  function highlightText( query ) {

    var content = document.querySelector( '#mw-content-text .mw-parser-output' );

    if ( !content ) return;

    if ( !raw ) return;

    var patterns = [];

    patterns.push( escapeRegex( raw ) );

    raw.split( /\s+/ ).forEach( function(w) {

      if ( w.length >= 2 ) patterns.push( escapeRegex( w ) );

    } );

    for ( var pi = 0; pi < patterns.length; pi++ ) {

      var re;

      catch(e) { continue; }

      var count = wrapMatches( content, re );