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( function ( mw ) {
var collapsibleLists, handleOne;
// Collapsible lists of categories and templates
// If changing or removing a storeKey, ensure there is a strategy for old keys.
// E.g. detect existence via requestIdleCallback and remove. (T121646)
collapsibleLists = [
{
listSel: '.templatesUsed ul',
togglerSel: '.mw-templatesUsedExplanation',
storeKey: 'mwedit-state-templatesUsed'
},
{
listSel: '.hiddencats ul',
togglerSel: '.mw-hiddenCategoriesExplanation',
storeKey: 'mwedit-state-hiddenCategories'
},
{
listSel: '.preview-limit-report-wrapper',
togglerSel: '.mw-limitReportExplanation',
storeKey: 'mwedit-state-limitReport'
}
];
handleOne = function ( $list, $toggler, storeKey ) {
var collapsedVal = '0',
expandedVal = '1',
// Default to collapsed if not set
isCollapsed = mw.storage.get( storeKey ) !== expandedVal;
// Style the toggler with an arrow icon and add a tabIndex and a role for accessibility
$toggler.addClass( 'mw-editfooter-toggler' ).prop( 'tabIndex', 0 ).attr( 'role', 'button' );
$list.addClass( 'mw-editfooter-list' );
$list.makeCollapsible( {
$customTogglers: $toggler,
linksPassthru: true,
plainMode: true,
collapsed: isCollapsed
} );
$toggler.addClass( isCollapsed ? 'mw-icon-arrow-collapsed' : 'mw-icon-arrow-expanded' );
$list.on( 'beforeExpand.mw-collapsible', function () {
$toggler.removeClass( 'mw-icon-arrow-collapsed' ).addClass( 'mw-icon-arrow-expanded' );
mw.storage.set( storeKey, expandedVal );
} );
$list.on( 'beforeCollapse.mw-collapsible', function () {
$toggler.removeClass( 'mw-icon-arrow-expanded' ).addClass( 'mw-icon-arrow-collapsed' );
mw.storage.set( storeKey, collapsedVal );
} );
};
mw.hook( 'wikipage.editform' ).add( function ( $editForm ) {
var i;
for ( i = 0; i < collapsibleLists.length; i++ ) {
// Pass to a function for iteration-local variables
handleOne(
$editForm.find( collapsibleLists[ i ].listSel ),
$editForm.find( collapsibleLists[ i ].togglerSel ),
collapsibleLists[ i ].storeKey
);
}
} );
}( mediaWiki ) );
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