!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.bulmaSteps=e():t.bulmaSteps=e()}("undefined"!=typeof self?self:this,function(){return function(n){var s={};function i(t){if(s[t])return s[t].exports;var e=s[t]={i:t,l:!1,exports:{}};return n[t].call(e.exports,e,e.exports,i),e.l=!0,e.exports}return i.m=n,i.c=s,i.d=function(t,e,n){i.o(t,e)||Object.defineProperty(t,e,{configurable:!1,enumerable:!0,get:n})},i.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return i.d(e,"a",e),e},i.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},i.p="",i(i.s=0)}([function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var s=n(1),o=n(2),r=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var s in n)Object.prototype.hasOwnProperty.call(n,s)&&(t[s]=n[s])}return t},l=function(){function s(t,e){for(var n=0;n<e.length;n++){var s=e[n];s.enumerable=s.enumerable||!1,s.configurable=!0,"value"in s&&(s.writable=!0),Object.defineProperty(t,s.key,s)}}return function(t,e,n){return e&&s(t.prototype,e),n&&s(t,n),t}}();var a=Symbol("onStepsPrevious"),u=Symbol("onStepsNext"),i=function(t){function i(t){var e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{};!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,i);var n=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}(this,(i.__proto__||Object.getPrototypeOf(i)).call(this));if(n.element="string"==typeof t?document.querySelector(t):t,!n.element)throw new Error("An invalid selector or non-DOM node has been provided.");return n._clickEvents=["click"],n.options=r({},o.a,e),n[a]=n[a].bind(n),n[u]=n[u].bind(n),n.init(),n}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(i,s["a"]),l(i,[{key:"init",value:function(){this._id="bulmaSteps"+(new Date).getTime()+Math.floor(Math.random()*Math.floor(9999)),this.steps=this.element.querySelectorAll(this.options.selector),this.contents=this.element.querySelectorAll(this.options.selector_content),this.previous_btn=this.element.querySelector(this.options.previous_selector),this.next_btn=this.element.querySelector(this.options.next_selector),[].forEach.call(this.steps,function(t,e){t.setAttribute("data-step-id",e)}),this.steps&&this.steps.length&&(this.activate_step(0),this.updateActions(this.steps[0])),this._bindEvents(),this.emit("bulmasteps:ready",this.element.value)}},{key:"_bindEvents",value:function(){var n=this;null!=this.previous_btn&&this._clickEvents.forEach(function(t){n.previous_btn.addEventListener(t,n[a],!1)}),null!=this.next_btn&&this._clickEvents.forEach(function(t){n.next_btn.addEventListener(t,n[u],!1)}),this.options.stepClickable&&[].forEach.call(this.steps,function(t,e){n._clickEvents.forEach(function(t){for(;e>n.current_id;)n[u](t);for(;e<n.current_id;)n[a](t)})})}},{key:a,value:function(t){t.preventDefault(),t.target.getAttribute("disabled")||this.previous_step()}},{key:u,value:function(t){t.preventDefault(),t.target.getAttribute("disabled")||this.next_step()}},{key:"get_current_step_id",value:function(){for(var t=0;t<this.steps.length;t++){var e=this.steps[t];if(e.classList.contains(this.options.active_class))return parseInt(e.getAttribute("data-step-id"))}return null}},{key:"updateActions",value:function(t){var e=parseInt(t.getAttribute("data-step-id"));0==e?(null!=this.previous_btn&&this.previous_btn.setAttribute("disabled","disabled"),null!=this.next_btn&&this.next_btn.removeAttribute("disabled","disabled")):e==this.steps.length-1?(null!=this.previous_btn&&this.previous_btn.removeAttribute("disabled","disabled"),null!=this.next_btn&&this.next_btn.setAttribute("disabled","disabled")):(null!=this.previous_btn&&this.previous_btn.removeAttribute("disabled","disabled"),null!=this.next_btn&&this.next_btn.removeAttribute("disabled","disabled"))}},{key:"next_step",value:function(){var t=this.get_current_step_id();if(null!=t){var e=t+1,n=[];if(void 0!==this.options.beforeNext&&null!=this.options.beforeNext&&this.options.beforeNext&&(n=this.options.beforeNext(t)),this.emit("bulmasteps:before:next",t),void 0===n&&(n=[]),0<n.length){this.emit("bulmasteps:errors",n);for(var s=0;s<n.length;s++)void 0!==this.options.onError&&null!=this.options.onError&&this.options.onError&&this.options.onError(n[s])}else e>=this.steps.length-1&&(void 0!==this.options.onFinish&&null!=this.options.onFinish&&this.options.onFinish&&this.options.onFinish(t),this.emit("bulmasteps:finish",t)),e<this.steps.length&&(this.complete_step(t),this.activate_step(e))}}},{key:"previous_step",value:function(){var t=this.get_current_step_id();null!=t&&(this.uncomplete_step(t-1),this.activate_step(t-1))}},{key:"activate_step",value:function(t){this.updateActions(this.steps[t]);for(var e=0;e<this.steps.length;e++){this.steps[e]!=this.steps[t]&&this.deactivate_step(e)}this.steps[t].classList.add(this.options.active_class),void 0!==this.contents[t]&&this.contents[t].classList.add(this.options.active_class),void 0!==this.options.onShow&&null!=this.options.onShow&&this.options.onShow&&this.options.onShow(t),this.emit("bulmasteps:step:show",t)}},{key:"complete_step",value:function(t){this.steps[t].classList.add(this.options.completed_class),this.emit("bulmasteps:step:completed",t)}},{key:"uncomplete_step",value:function(t){this.steps[t].classList.remove(this.options.completed_class),this.emit("bulmasteps:step:uncompleted",t)}},{key:"deactivate_step",value:function(t){this.steps[t].classList.remove(this.options.active_class),void 0!==this.contents[t]&&this.contents[t].classList.remove(this.options.active_class)}}],[{key:"attach",value:function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:".steps",e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},n=new Array,s=document.querySelectorAll(t);return[].forEach.call(s,function(t){setTimeout(function(){n.push(new i(t,e))},100)}),n}}]),i}();e.default=i},function(t,e,n){"use strict";var s=function(){function s(t,e){for(var n=0;n<e.length;n++){var s=e[n];s.enumerable=s.enumerable||!1,s.configurable=!0,"value"in s&&(s.writable=!0),Object.defineProperty(t,s.key,s)}}return function(t,e,n){return e&&s(t.prototype,e),n&&s(t,n),t}}();var i=function(){function e(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:[];!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,e),this._listeners=new Map(t),this._middlewares=new Map}return s(e,[{key:"listenerCount",value:function(t){return this._listeners.has(t)?this._listeners.get(t).length:0}},{key:"removeListeners",value:function(){var e=this,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:null,n=1<arguments.length&&void 0!==arguments[1]&&arguments[1];null!==t?Array.isArray(t)?name.forEach(function(t){return e.removeListeners(t,n)}):(this._listeners.delete(t),n&&this.removeMiddleware(t)):this._listeners=new Map}},{key:"middleware",value:function(t,e){var n=this;Array.isArray(t)?name.forEach(function(t){return n.middleware(t,e)}):(Array.isArray(this._middlewares.get(t))||this._middlewares.set(t,[]),this._middlewares.get(t).push(e))}},{key:"removeMiddleware",value:function(){var e=this,t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:null;null!==t?Array.isArray(t)?name.forEach(function(t){return e.removeMiddleware(t)}):this._middlewares.delete(t):this._middlewares=new Map}},{key:"on",value:function(t,e){var n=this,s=2<arguments.length&&void 0!==arguments[2]&&arguments[2];if(Array.isArray(t))t.forEach(function(t){return n.on(t,e)});else{var i=(t=t.toString()).split(/,|, | /);1<i.length?i.forEach(function(t){return n.on(t,e)}):(Array.isArray(this._listeners.get(t))||this._listeners.set(t,[]),this._listeners.get(t).push({once:s,callback:e}))}}},{key:"once",value:function(t,e){this.on(t,e,!0)}},{key:"emit",value:function(n,s){var i=this,o=2<arguments.length&&void 0!==arguments[2]&&arguments[2];n=n.toString();var r=this._listeners.get(n),l=null,a=0,u=o;if(Array.isArray(r))for(r.forEach(function(t,e){o||(l=i._middlewares.get(n),Array.isArray(l)?(l.forEach(function(t){t(s,function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:null;null!==t&&(s=t),a++},n)}),a>=l.length&&(u=!0)):u=!0),u&&(t.once&&(r[e]=null),t.callback(s))});-1!==r.indexOf(null);)r.splice(r.indexOf(null),1)}}]),e}();e.a=i},function(t,e,n){"use strict";e.a={selector:".step-item",selector_content:".step-content",previous_selector:'[data-nav="previous"]',next_selector:'[data-nav="next"]',active_class:"is-active",completed_class:"is-completed",stepClickable:!1,beforeNext:null,onShow:null,onFinish:null,onError:null}}]).default});