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/*!

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* jQuery UI Effects Pulsate 1.13.3

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* https://jqueryui.com

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* Copyright OpenJS Foundation and other contributors

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* Released under the MIT license.

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* https://jquery.org/license

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//>>label: Pulsate Effect

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//>>group: Effects

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//>>description: Pulsates an element n times by changing the opacity to zero and back.

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//>>docs: https://api.jqueryui.com/pulsate-effect/

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//>>demos: https://jqueryui.com/effect/

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( function( factory ) {

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"use strict";

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if ( typeof define === "function" && define.amd ) {

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// AMD. Register as an anonymous module.

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define( [

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"jquery",

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"../version",

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"../effect"

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], factory );

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} else {

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// Browser globals

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factory( jQuery );

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}

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} )( function( $ ) {

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"use strict";

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return $.effects.define( "pulsate", "show", function( options, done ) {

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var element = $( this ),

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mode = options.mode,

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show = mode === "show",

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hide = mode === "hide",

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showhide = show || hide,

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// Showing or hiding leaves off the "last" animation

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anims = ( ( options.times || 5 ) * 2 ) + ( showhide ? 1 : 0 ),

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duration = options.duration / anims,

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animateTo = 0,

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i = 1,

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queuelen = element.queue().length;

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if ( show || !element.is( ":visible" ) ) {

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element.css( "opacity", 0 ).show();

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animateTo = 1;

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}

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// Anims - 1 opacity "toggles"

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for ( ; i < anims; i++ ) {

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element.animate( { opacity: animateTo }, duration, options.easing );

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animateTo = 1 - animateTo;

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}

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element.animate( { opacity: animateTo }, duration, options.easing );

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element.queue( done );

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$.effects.unshift( element, queuelen, anims + 1 );

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} );

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} );

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