查看文件: glider.min.js

大小: 8.35 KB

类型: application/javascript

/* @preserve
    _____ __ _     __                _
   / ___// /(_)___/ /___  ____      (_)___
  / (_ // // // _  // -_)/ __/_    / /(_-<
  \___//_//_/ \_,_/ \__//_/  (_)__/ //___/
                              |___/

Version: 1.7.4
  Author: Nick Piscitelli (pickykneee)
  Website: https://nickpiscitelli.com
  Documentation: http://nickpiscitelli.github.io/Glider.js
  License: MIT License
  Release Date: October 25th, 2018

*/
!function(e){"function"==typeof define&&define.amd?define(e):"object"==typeof exports?module.exports=e():e()}(function(){var a="undefined"!=typeof window?window:this,e=a.Glider=function(e,t){var o=this;if(e._glider)return e._glider;if(o.ele=e,o.ele.classList.add("glider"),(o.ele._glider=o).opt=Object.assign({},{slidesToScroll:1,slidesToShow:1,resizeLock:!0,duration:.5,easing:function(e,t,o,i,r){return i*(t/=r)*t+o}},t),o.animate_id=o.page=o.slide=0,o.arrows={},o._opt=o.opt,o.opt.skipTrack)o.track=o.ele.children[0];else for(o.track=document.createElement("div"),o.ele.appendChild(o.track);1!==o.ele.children.length;)o.track.appendChild(o.ele.children[0]);o.track.classList.add("glider-track"),o.init(),o.resize=o.init.bind(o,!0),o.event(o.ele,"add",{scroll:o.updateControls.bind(o)}),o.event(a,"add",{resize:o.resize})},t=e.prototype;return t.init=function(e,t){var o,i=this,r=0,s=0,l=(i.slides=i.track.children,[].forEach.call(i.slides,function(e,t){e.classList.add("glider-slide"),e.setAttribute("data-gslide",t)}),i.containerWidth=i.ele.clientWidth,i.settingsBreakpoint());t=t||l,"auto"!==i.opt.slidesToShow&&void 0===i.opt._autoSlide||(o=i.containerWidth/i.opt.itemWidth,i.opt._autoSlide=i.opt.slidesToShow=i.opt.exactWidth?o:Math.max(1,Math.floor(o))),"auto"===i.opt.slidesToScroll&&(i.opt.slidesToScroll=Math.floor(i.opt.slidesToShow)),i.itemWidth=i.opt.exactWidth?i.opt.itemWidth:i.containerWidth/i.opt.slidesToShow,[].forEach.call(i.slides,function(e){e.style.height="auto",e.style.width=i.itemWidth+"px",r+=i.itemWidth,s=Math.max(e.offsetHeight,s)}),i.track.style.width=r+"px",i.trackWidth=r,i.isDrag=!1,i.preventClick=!1,i.move=!1,i.opt.resizeLock&&i.scrollTo(i.slide*i.itemWidth,0),(l||t)&&(i.bindArrows(),i.buildDots(),i.bindDrag()),i.updateControls(),i.emit(e?"refresh":"loaded")},t.bindDrag=function(){function e(){t.mouseDown=void 0,t.ele.classList.remove("drag"),t.isDrag&&(t.preventClick=!0),t.isDrag=!1}var t=this;t.mouse=t.mouse||t.handleMouse.bind(t);function o(){t.move=!0}var i={mouseup:e,mouseleave:e,mousedown:function(e){e.preventDefault(),e.stopPropagation(),t.mouseDown=e.clientX,t.ele.classList.add("drag"),t.move=!1,setTimeout(o,300)},touchstart:function(e){t.ele.classList.add("drag"),t.move=!1,setTimeout(o,300)},mousemove:t.mouse,click:function(e){t.preventClick&&t.move&&(e.preventDefault(),e.stopPropagation()),t.preventClick=!1,t.move=!1}};t.ele.classList.toggle("draggable",!0===t.opt.draggable),t.event(t.ele,"remove",i),t.opt.draggable&&t.event(t.ele,"add",i)},t.buildDots=function(){var e=this;if(e.opt.dots){if("string"==typeof e.opt.dots?e.dots=document.querySelector(e.opt.dots):e.dots=e.opt.dots,e.dots){e.dots.innerHTML="",e.dots.setAttribute("role","tablist"),e.dots.classList.add("glider-dots");for(var t=0;t<Math.ceil(e.slides.length/e.opt.slidesToShow);++t){var o=document.createElement("button");o.dataset.index=t,o.setAttribute("aria-label","Page "+(t+1)),o.setAttribute("role","tab"),o.className="glider-dot "+(t?"":"active"),e.event(o,"add",{click:e.scrollItem.bind(e,t,!0)}),e.dots.appendChild(o)}}}else e.dots&&(e.dots.innerHTML="")},t.bindArrows=function(){var o=this;o.opt.arrows?["prev","next"].forEach(function(e){var t=o.opt.arrows[e];(t=t&&("string"==typeof t?document.querySelector(t):t))&&(t._func=t._func||o.scrollItem.bind(o,e),o.event(t,"remove",{click:t._func}),o.event(t,"add",{click:t._func}),o.arrows[e]=t)}):Object.keys(o.arrows).forEach(function(e){e=o.arrows[e];o.event(e,"remove",{click:e._func})})},t.updateControls=function(e){var n=this,t=(e&&!n.opt.scrollPropagate&&e.stopPropagation(),n.containerWidth>=n.trackWidth),a=(n.opt.rewind||(n.arrows.prev&&(n.arrows.prev.classList.toggle("disabled",n.ele.scrollLeft<=0||t),n.arrows.prev.setAttribute("aria-disabled",n.arrows.prev.classList.contains("disabled"))),n.arrows.next&&(n.arrows.next.classList.toggle("disabled",Math.ceil(n.ele.scrollLeft+n.containerWidth)>=Math.floor(n.trackWidth)||t),n.arrows.next.setAttribute("aria-disabled",n.arrows.next.classList.contains("disabled")))),n.slide=Math.round(n.ele.scrollLeft/n.itemWidth),n.page=Math.round(n.ele.scrollLeft/n.containerWidth),n.slide+Math.floor(Math.floor(n.opt.slidesToShow)/2)),d=Math.floor(n.opt.slidesToShow)%2?0:a+1;1===Math.floor(n.opt.slidesToShow)&&(d=0),n.ele.scrollLeft+n.containerWidth>=Math.floor(n.trackWidth)&&(n.page=n.dots?n.dots.children.length-1:0),[].forEach.call(n.slides,function(e,t){var o=e.classList,e=o.contains("visible"),i=n.ele.scrollLeft,r=n.ele.scrollLeft+n.containerWidth,s=n.itemWidth*t,l=s+n.itemWidth,s=([].forEach.call(o,function(e){/^left|right/.test(e)&&o.remove(e)}),o.toggle("active",n.slide===t),a===t||d&&d===t?o.add("center"):(o.remove("center"),o.add([t<a?"left":"right",Math.abs(t-(!(t<a)&&d||a))].join("-"))),Math.ceil(s)>=Math.floor(i)&&Math.floor(l)<=Math.ceil(r));o.toggle("visible",s),s!==e&&n.emit("slide-"+(s?"visible":"hidden"),{slide:t})}),n.dots&&[].forEach.call(n.dots.children,function(e,t){e.classList.toggle("active",n.page===t)}),e&&n.opt.scrollLock&&(clearTimeout(n.scrollLock),n.scrollLock=setTimeout(function(){clearTimeout(n.scrollLock),.02<Math.abs(n.ele.scrollLeft/n.itemWidth-n.slide)&&(n.mouseDown||n.trackWidth>n.containerWidth+n.ele.scrollLeft&&n.scrollItem(n.getCurrentSlide()))},n.opt.scrollLockDelay||250))},t.getCurrentSlide=function(){return this.round(this.ele.scrollLeft/this.itemWidth)},t.scrollItem=function(e,t,o){o&&o.preventDefault();var i,r=this,s=e,o=(++r.animate_id,r.slide),l=!0===t?(e=Math.round(e*r.containerWidth/r.itemWidth))*r.itemWidth:("string"==typeof e&&(l="prev"===e,e=r.opt.slidesToScroll%1||r.opt.slidesToShow%1?r.getCurrentSlide():r.slide,l?e-=r.opt.slidesToScroll:e+=r.opt.slidesToScroll,r.opt.rewind&&(i=r.ele.scrollLeft,e=l&&!i?r.slides.length:!l&&i+r.containerWidth>=Math.floor(r.trackWidth)?0:e)),e=Math.max(Math.min(e,r.slides.length),0),r.slide=e,r.itemWidth*e);return r.emit("scroll-item",{prevSlide:o,slide:e}),r.scrollTo(l,r.opt.duration*Math.abs(r.ele.scrollLeft-l),function(){r.updateControls(),r.emit("animated",{value:s,type:"string"==typeof s?"arrow":t?"dot":"slide"})}),!1},t.settingsBreakpoint=function(){var e=this,t=e._opt.responsive;if(t){t.sort(function(e,t){return t.breakpoint-e.breakpoint});for(var o=0;o<t.length;++o){var i=t[o];if(a.innerWidth>=i.breakpoint)return e.breakpoint!==i.breakpoint&&(e.opt=Object.assign({},e._opt,i.settings),e.breakpoint=i.breakpoint,!0)}}var r=0!==e.breakpoint;return e.opt=Object.assign({},e._opt),e.breakpoint=0,r},t.scrollTo=function(t,o,i){var r=this,s=(new Date).getTime(),l=r.animate_id,n=function(){var e=(new Date).getTime()-s;r.ele.scrollLeft=r.ele.scrollLeft+(t-r.ele.scrollLeft)*r.opt.easing(0,e,0,1,o),e<o&&l===r.animate_id?a.requestAnimationFrame(n):(r.ele.scrollLeft=t,i&&i.call(r))};a.requestAnimationFrame(n)},t.removeItem=function(e){var t=this;t.slides.length&&(t.track.removeChild(t.slides[e]),t.refresh(!0),t.emit("remove"))},t.addItem=function(e){this.track.appendChild(e),this.refresh(!0),this.emit("add")},t.handleMouse=function(e){var t=this;t.mouseDown&&(t.isDrag=!0,t.ele.scrollLeft+=(t.mouseDown-e.clientX)*(t.opt.dragVelocity||3.3),t.mouseDown=e.clientX)},t.round=function(e){var t=1/(this.opt.slidesToScroll%1||1);return Math.round(e*t)/t},t.refresh=function(e){this.init(!0,e)},t.setOption=function(t,e){var o=this;o.breakpoint&&!e?o._opt.responsive.forEach(function(e){e.breakpoint===o.breakpoint&&(e.settings=Object.assign({},e.settings,t))}):o._opt=Object.assign({},o._opt,t),o.breakpoint=0,o.settingsBreakpoint()},t.destroy=function(){function e(t){t.removeAttribute("style"),[].forEach.call(t.classList,function(e){/^glider/.test(e)&&t.classList.remove(e)})}var t=this,o=t.ele.cloneNode(!0);t.opt.skipTrack||(o.children[0].outerHTML=o.children[0].innerHTML),e(o),[].forEach.call(o.getElementsByTagName("*"),e),t.ele.parentNode.replaceChild(o,t.ele),t.event(a,"remove",{resize:t.resize}),t.emit("destroy")},t.emit=function(e,t){e=new a.CustomEvent("glider-"+e,{bubbles:!this.opt.eventPropagate,detail:t});this.ele.dispatchEvent(e)},t.event=function(e,t,o){var i=e[t+"EventListener"].bind(e);Object.keys(o).forEach(function(e){i(e,o[e])})},e});