ripple.min.js

(function(){function h(c){c=c.target;var a=c.childNodes.length;if("button"!==c.localName||!a)return c.classList.contains("rippleJS")?c:null;for(var b=0;b<a;++b){var g=c.childNodes[b],e=g.classList;if(e&&e.contains("rippleJS"))return g}return null}
function n(c,a){var b=h(a);if(b){var g=b.classList,e=b.getAttribute("data-event");if(!e||e===c){b.setAttribute("data-event",c);var d=b.getBoundingClientRect();e=a.offsetX;void 0!==e?a=a.offsetY:(e=a.clientX-d.left,a=a.clientY-d.top);var f=document.createElement("div");d=d.width===d.height?1.412*d.width:Math.sqrt(d.width*d.width+d.height*d.height);var k=2*d+"px";f.style.width=k;f.style.height=k;f.style.marginLeft=-d+e+"px";f.style.marginTop=-d+a+"px";f.className="ripple";b.appendChild(f);window.setTimeout(function(){f.classList.add("held")},
0);var l="mousedown"===c?"mouseup":"touchend",m=function(){document.removeEventListener(l,m);f.classList.add("done");window.setTimeout(function(){b.removeChild(f);b.children.length||(g.remove("active"),b.removeAttribute("data-event"))},650)};document.addEventListener(l,m)}}}
function p(){var c=c||document;c.addEventListener("mousedown",function(a){0===a.button&&n(a.type,a)},{passive:!0});c.addEventListener("touchstart",function(a){for(var b=0;b<a.changedTouches.length;++b)n(a.type,a.changedTouches[b])},{passive:!0})};(function(){function c(){var a=document.createElement("div");a.className="rippleJS";document.body.appendChild(a);var b="absolute"===window.getComputedStyle(a).position;document.body.removeChild(a);b||(a=document.createElement("style"),a.textContent='/*rippleJS*/.rippleJS,.rippleJS.fill::after{position:absolute;top:0;left:0;right:0;bottom:0}.rippleJS{display:block;overflow:hidden;border-radius:inherit;-webkit-mask-image:-webkit-radial-gradient(circle,#fff,#000)}.rippleJS.fill::after{content:""}.rippleJS.fill{border-radius:1000000px}.rippleJS .ripple{position:absolute;border-radius:100%;background:currentColor;opacity:.2;width:0;height:0;-webkit-transition:-webkit-transform .4s ease-out,opacity .4s ease-out;transition:transform .4s ease-out,opacity .4s ease-out;-webkit-transform:scale(0);transform:scale(0);pointer-events:none;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.rippleJS .ripple.held{opacity:.4;-webkit-transform:scale(1);transform:scale(1)}.rippleJS .ripple.done{opacity:0}',
document.head.insertBefore(a,document.head.firstChild));p()}"complete"===document.readyState?c():window.addEventListener("load",c)})();}())