+let url_admin:string = window.location.origin + '/wp/wp-admin/admin-ajax.php';

+

+/**

+ * getExpert

+ * Retrieve the expert custom post type matching the parameter

+ * The SQL query is done in `lib/posts.php` and perform a simple WP_Query

+ * to get 1 post

+ * Note: only 1 parameter at the time will be used because when the user

+ * selects an option in a list on the site, the other filter lists reset

+ * @param service

+ * @param sector

+ * @param office

+ */

+const getExpert = ( service:number, sector:number, office:number ) => {

+    // Fallback for IE versions that don't support window.location

+    if ( !window.location.origin ) {

+        url_admin = window.location.protocol + '//' + window.location.hostname + (window.location.port ? ':' + window.location.port: '');

+    }

+

+    // Prepare the data for the request

+    let data: Object = {

+        'action'        : 'load_expert',

+        'service'       : service,

+        'sector'        : sector,

+        'office'        : office

+    };

+

+

+    // Send the AJAX request that will be handled by "lib/posts.php"

+    $.ajax({

+        url: url_admin,

+        type: 'POST',

+        data: data

+    })

+    .done( function( html ) {

+        // Add the new expert markup in the overlay

+        $expert_container.append( html );

+

+        // Hide the loader

+        $loader.fadeOut( 150, function() {

+            // Once the loader is hidden, show the new expert

+            $expert_container.find( '.expert-overlay-preview' ).fadeIn( 500 );

+        });

+    })

+    .fail( function( jqXHR, textStatus, errorThrown ) {

+        console.log( 'textStatus = ' + textStatus );

+        console.log( 'errorThrown = ' + errorThrown );