hoverintent-jqplugin/dist/hoverIntent.min.js

The popular 'hoverintent' library now available in npm

(function(root,factory){if(typeof define==="function"&&define.amd){define(factory)}else if(typeof exports==="object"){module.exports=factory()}else{root.Requester=factory()}})(this,function(){return function initializeHoverIntent(ctx){var hoverIntent=function(handlerIn,handlerOut,selector){var cfg={interval:100,sensitivity:6,timeout:0};if(typeof handlerIn==="object"){cfg=$.extend(cfg,handlerIn)}else if($.isFunction(handlerOut)){cfg=$.extend(cfg,{over:handlerIn,out:handlerOut,selector:selector})}else{cfg=$.extend(cfg,{over:handlerIn,out:handlerIn,selector:handlerOut})}var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if(Math.sqrt((pX-cX)*(pX-cX)+(pY-cY)*(pY-cY))<cfg.sensitivity){$(ob).off("mousemove.hoverIntent",track);ob.hoverIntent_s=true;return cfg.over.apply(ob,[ev])}else{pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){compare(ev,ob)},cfg.interval)}};var delay=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);ob.hoverIntent_s=false;return cfg.out.apply(ob,[ev])};var handleHover=function(e){var ev=$.extend({},e);var ob=this;if(ob.hoverIntent_t){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t)}if(e.type==="mouseenter"){pX=ev.pageX;pY=ev.pageY;$(ob).on("mousemove.hoverIntent",track);if(!ob.hoverIntent_s){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob)},cfg.interval)}}else{$(ob).off("mousemove.hoverIntent",track);if(ob.hoverIntent_s){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob)},cfg.timeout)}}};return this.on({"mouseenter.hoverIntent":handleHover,"mouseleave.hoverIntent":handleHover},cfg.selector)};if(ctx&&ctx.fn&&ctx.fn.jquery){var $=ctx;ctx.fn.hoverIntent=hoverIntent}else if(ctx&&ctx.jQuery&&ctx.jQuery.fn){var $=ctx.jQuery;ctx.jQuery.fn.hoverIntent=hoverIntent}else{throw new Error("Invalid Argument: Hoverintent expects either the window global with jquery, or an instance of jquery as a context")}}});