1/*!
  2 * jQuery UI Effects Pulsate 1.13.3
  3 * https://jqueryui.com
  4 *
  5 * Copyright OpenJS Foundation and other contributors
  6 * Released under the MIT license.
  7 * https://jquery.org/license
  8 */
  9
 10//>>label: Pulsate Effect
 11//>>group: Effects
 12//>>description: Pulsates an element n times by changing the opacity to zero and back.
 13//>>docs: https://api.jqueryui.com/pulsate-effect/
 14//>>demos: https://jqueryui.com/effect/
 15
 16( function( factory ) {
 17	"use strict";
 18
 19	if ( typeof define === "function" && define.amd ) {
 20
 21		// AMD. Register as an anonymous module.
 22		define( [
 23			"jquery",
 24			"../version",
 25			"../effect"
 26		], factory );
 27	} else {
 28
 29		// Browser globals
 30		factory( jQuery );
 31	}
 32} )( function( $ ) {
 33"use strict";
 34
 35return $.effects.define( "pulsate", "show", function( options, done ) {
 36	var element = $( this ),
 37		mode = options.mode,
 38		show = mode === "show",
 39		hide = mode === "hide",
 40		showhide = show || hide,
 41
 42		// Showing or hiding leaves off the "last" animation
 43		anims = ( ( options.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),
 44		duration = options.duration / anims,
 45		animateTo = 0,
 46		i = 1,
 47		queuelen = element.queue().length;
 48
 49	if ( show || !element.is( ":visible" ) ) {
 50		element.css( "opacity", 0 ).show();
 51		animateTo = 1;
 52	}
 53
 54	// Anims - 1 opacity "toggles"
 55	for ( ; i < anims; i++ ) {
 56		element.animate( { opacity: animateTo }, duration, options.easing );
 57		animateTo = 1 - animateTo;
 58	}
 59
 60	element.animate( { opacity: animateTo }, duration, options.easing );
 61
 62	element.queue( done );
 63
 64	$.effects.unshift( element, queuelen, anims + 1 );
 65} );
 66
 67} );
 68