/*! tether-shepherd 1.8.1 */
(function(a,b){if(typeof define==="function"&&define.amd){define(["tether"],b)}else{if(typeof exports==="object"){module.exports=b(require("tether"))}else{a.Shepherd=b(a.Tether)}}}(this,function(g){var v=(function(){function A(E,C){for(var B=0;B<C.length;B++){var D=C[B];D.enumerable=D.enumerable||false;D.configurable=true;if("value" in D){D.writable=true}Object.defineProperty(E,D.key,D)}}return function(D,B,C){if(B){A(D.prototype,B)}if(C){A(D,C)}return D}})();var a=function y(F,E,C){var G=true;_function:while(G){var B=F,J=E,A=C;G=false;if(B===null){B=Function.prototype}var D=Object.getOwnPropertyDescriptor(B,J);if(D===undefined){var I=Object.getPrototypeOf(B);if(I===null){return undefined}else{F=I;E=J;C=A;G=true;D=I=undefined;continue _function}}else{if("value" in D){return D.value}else{var H=D.get;if(H===undefined){return undefined}return H.call(A)}}}};function f(A,B){if(!(A instanceof B)){throw new TypeError("Cannot call a class as a function")}}function t(B,A){if(typeof 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I(){if(this.currentStep){this.currentStep.hide()}this.trigger("hide");this.done()}},{key:"done",value:function F(){u.activeTour=null;p(document.body,"shepherd-active");this.trigger("inactive",{tour:this})}},{key:"show",value:function K(){var S=arguments.length<=0||arguments[0]===undefined?0:arguments[0];var R=arguments.length<=1||arguments[1]===undefined?true:arguments[1];if(this.currentStep){this.currentStep.hide()}else{l(document.body,"shepherd-active");this.trigger("active",{tour:this})}u.activeTour=this;var T=undefined;if(typeof S==="string"){T=this.getById(S)}else{T=this.steps[S]}if(T){if(!d(T.options.showOn)&&!T.options.showOn()){var Q=this.steps.indexOf(T);var P=R?Q+1:Q-1;this.show(P,R)}else{this.trigger("show",{step:T,previous:this.currentStep});if(this.currentStep){this.currentStep.hide()}this.currentStep=T;T.show()}}}},{key:"start",value:function B(){this.trigger("start");this.currentStep=null;this.next()}}]);return J})(s);x(u,{Tour:h,Step:m,Evented:s});return u}));