1/*!
  2 * jQuery UI Effects Shake 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: Shake Effect
 11//>>group: Effects
 12//>>description: Shakes an element horizontally or vertically n times.
 13//>>docs: https://api.jqueryui.com/shake-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( "shake", function( options, done ) {
 36
 37	var i = 1,
 38		element = $( this ),
 39		direction = options.direction || "left",
 40		distance = options.distance || 20,
 41		times = options.times || 3,
 42		anims = times * 2 + 1,
 43		speed = Math.round( options.duration / anims ),
 44		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
 45		positiveMotion = ( direction === "up" || direction === "left" ),
 46		animation = {},
 47		animation1 = {},
 48		animation2 = {},
 49
 50		queuelen = element.queue().length;
 51
 52	$.effects.createPlaceholder( element );
 53
 54	// Animation
 55	animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
 56	animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
 57	animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;
 58
 59	// Animate
 60	element.animate( animation, speed, options.easing );
 61
 62	// Shakes
 63	for ( ; i < times; i++ ) {
 64		element
 65			.animate( animation1, speed, options.easing )
 66			.animate( animation2, speed, options.easing );
 67	}
 68
 69	element
 70		.animate( animation1, speed, options.easing )
 71		.animate( animation, speed / 2, options.easing )
 72		.queue( done );
 73
 74	$.effects.unshift( element, queuelen, anims + 1 );
 75} );
 76
 77} );
 78