Faux LiveChat Target existing window if available

projects/plugins/jetpack/modules/masterbar/inline-help/class-inline-help.php

@@ -40,6 +40,8 @@ public function register_actions() {
 		add_action( 'admin_footer', array( $this, 'add_fab_icon' ) );
 
 		add_action( 'admin_enqueue_scripts', array( $this, 'add_fab_styles' ) );
+
+		add_action( 'admin_enqueue_scripts', array( $this, 'add_fab_scripts' ) );
 	}
 
 	/**
@@ -109,4 +111,19 @@ public function add_fab_icon() {
 	public function add_fab_styles() {
 		wp_enqueue_style( 'a8c-faux-inline-help', plugins_url( 'inline-help.css', __FILE__ ), array(), JETPACK__VERSION );
 	}
+
+	/**
+	 * Enqueues FAB JS scripts.
+	 *
+	 * @return void
+	 */
+	public function add_fab_scripts() {
+		wp_enqueue_script(
+			'a8c-faux-inline-help',
+			plugins_url( 'inline-help.js', __FILE__ ),
+			array(),
+			JETPACK__VERSION,
+			true
+		);
+	}
 }

projects/plugins/jetpack/modules/masterbar/inline-help/inline-help-template.php

@@ -9,7 +9,7 @@
 ?>
 
 <div class="a8c-faux-inline-help">
-	<a class="a8c-faux-inline-help__button" href="<?php echo esc_url( $args['href'] ); ?>" target="_blank" rel="noopener noreferrer" title="<?php echo esc_attr__( 'Help', 'jetpack' ); ?>">
+	<a data-faux-inline-help class="a8c-faux-inline-help__button" href="<?php echo esc_url( $args['href'] ); ?>" target="WPComInlineHelp" rel="noopener noreferrer" title="<?php echo esc_attr__( 'Help', 'jetpack' ); ?>">
 		<?php echo wp_kses( $args['icon'], $args['svg_allowed'] ); ?>
 	</a>
 </div>

projects/plugins/jetpack/modules/masterbar/inline-help/inline-help.js

@@ -0,0 +1,20 @@
+( function () {
+	var windowObjectReference = null;
+	function init() {
+		document.querySelector( '[data-faux-inline-help]' ).addEventListener( 'click', function ( e ) {
+			e.preventDefault();
+
+			if ( windowObjectReference === null || windowObjectReference.closed ) {
+				windowObjectReference = window.open( e.target.href, e.target.target );
+			} else {
+				windowObjectReference.focus();
+			}
+		} );
+	}
+
+	if ( document.readyState === 'loading' ) {
+		document.addEventListener( 'DOMContentLoaded', init );
+	} else {
+		init();
+	}
+} )();