https://www.schule-dietlikon.ch/dist/hammer-DBni-yoZ.js

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t&&this.remove(t),this.recognizers.push(e),e.manager=this,this.touchAction.update(),e},remove:function(e){if(f(e,`remove`,this))return this;if(e=this.get(e),e){var t=this.recognizers,n=y(t,e);n!==-1&&(t.splice(n,1),this.touchAction.update())}return this},on:function(e,t){if(e!==i&&t!==i){var n=this.handlers;return p(se(e),function(e){n[e]=n[e]||[],n[e].push(t)}),this}},off:function(e,t){if(e!==i){var n=this.handlers;return p(se(e),function(e){t?n[e]&&n[e].splice(y(n[e],t),1):delete n[e]}),this}},emit:function(e,t){this.options.domEvents&&St(e,t);var n=this.handlers[e]&&this.handlers[e].slice();if(!(!n||!n.length)){t.type=e,t.preventDefault=function(){t.srcEvent.preventDefault()};for(var r=0;r<n.length;)n[r](t),r++}},destroy:function(){this.element&&xt(this,!1),this.handlers={},this.session={},this.input.destroy(),this.element=null}};function xt(e,t){var n=e.element;if(n.style){var r;p(e.options.cssProps,function(i,a){r=le(n.style,a),t?(e.oldCssProps[r]=n.style[r],n.style[r]=i):n.style[r]=e.oldCssProps[r]||``}),t||(e.oldCssProps={})}}function St(e,t){var r=n.createEvent(`Event`);r.initEvent(e,!0,!0),r.gesture=t,t.target.dispatchEvent(r)}m($,{INPUT_START:S,INPUT_MOVE:C,INPUT_END:w,INPUT_CANCEL:T,STATE_POSSIBLE:H,STATE_BEGAN:U,STATE_CHANGED:W,STATE_ENDED:G,STATE_RECOGNIZED:K,STATE_CANCELLED:q,STATE_FAILED:J,DIRECTION_NONE:E,DIRECTION_LEFT:D,DIRECTION_RIGHT:O,DIRECTION_UP:k,DIRECTION_DOWN:A,DIRECTION_HORIZONTAL:j,DIRECTION_VERTICAL:M,DIRECTION_ALL:xe,Manager:bt,In