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	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["bulmaSteps"] = factory();
	else
		root["bulmaSteps"] = factory();
})(typeof self !== 'undefined' ? self : this, function() {
return /******/ (function(modules) { // webpackBootstrap
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/******/ 	// The require function
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/* 0 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__events__ = __webpack_require__(1);
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__defaultOptions__ = __webpack_require__(2);
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }




var onStepsPrevious = Symbol('onStepsPrevious');
var onStepsNext = Symbol('onStepsNext');

var bulmaSteps = function (_EventEmitter) {
  _inherits(bulmaSteps, _EventEmitter);

  function bulmaSteps(selector) {
    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    _classCallCheck(this, bulmaSteps);

    var _this = _possibleConstructorReturn(this, (bulmaSteps.__proto__ || Object.getPrototypeOf(bulmaSteps)).call(this));

    _this.element = typeof selector === 'string' ? document.querySelector(selector) : selector;
    // An invalid selector or non-DOM node has been provided.
    if (!_this.element) {
      throw new Error('An invalid selector or non-DOM node has been provided.');
    }

    _this._clickEvents = ['click'];
    /// Set default options and merge with instance defined
    _this.options = _extends({}, __WEBPACK_IMPORTED_MODULE_1__defaultOptions__["a" /* default */], options);

    _this[onStepsPrevious] = _this[onStepsPrevious].bind(_this);
    _this[onStepsNext] = _this[onStepsNext].bind(_this);

    _this.init();
    return _this;
  }

  /**
   * Initiate all DOM element containing carousel class
   * @method
   * @return {Array} Array of all Carousel instances
   */


  _createClass(bulmaSteps, [{
    key: 'init',


    /**
     * Initiate plugin
     * @method init
     * @return {void}
     */
    value: function init() {
      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 (step, index) {
        step.setAttribute('data-step-id', index);
      });

      if (this.steps && this.steps.length) {
        this.activate_step(0);
        this.updateActions(this.steps[0]);
      }

      this._bindEvents();

      this.emit('bulmasteps:ready', this.element.value);
    }

    /**
     * Bind all events
     * @method _bindEvents
     * @return {void}
     */

  }, {
    key: '_bindEvents',
    value: function _bindEvents() {
      var _this2 = this;

      if (this.previous_btn != null) {
        this._clickEvents.forEach(function (event) {
          _this2.previous_btn.addEventListener(event, _this2[onStepsPrevious], false);
        });
      }

      if (this.next_btn != null) {
        this._clickEvents.forEach(function (event) {
          _this2.next_btn.addEventListener(event, _this2[onStepsNext], false);
        });
      }

      if (this.options.stepClickable) {
        [].forEach.call(this.steps, function (step, index) {
          _this2._clickEvents.forEach(function (event) {
            while (index > _this2.current_id) {
              _this2[onStepsNext](event);
            }
            while (index < _this2.current_id) {
              _this2[onStepsPrevious](event);
            }
          });
        });
      }
    }
  }, {
    key: onStepsPrevious,
    value: function value(e) {
      e.preventDefault();

      if (!e.target.getAttribute('disabled')) {
        this.previous_step();
      }
    }
  }, {
    key: onStepsNext,
    value: function value(e) {
      e.preventDefault();

      if (!e.target.getAttribute('disabled')) {
        this.next_step();
      }
    }
  }, {
    key: 'get_current_step_id',
    value: function get_current_step_id() {
      for (var i = 0; i < this.steps.length; i++) {
        var step = this.steps[i];

        if (step.classList.contains(this.options.active_class)) {
          return parseInt(step.getAttribute('data-step-id'));
        }
      }

      return null;
    }
  }, {
    key: 'updateActions',
    value: function updateActions(step) {
      var stepId = parseInt(step.getAttribute('data-step-id'));
      if (stepId == 0) {
        if (this.previous_btn != null) {
          this.previous_btn.setAttribute('disabled', 'disabled');
        }
        if (this.next_btn != null) {
          this.next_btn.removeAttribute('disabled', 'disabled');
        }
      } else if (stepId == this.steps.length - 1) {
        if (this.previous_btn != null) {
          this.previous_btn.removeAttribute('disabled', 'disabled');
        }
        if (this.next_btn != null) {
          this.next_btn.setAttribute('disabled', 'disabled');
        }
      } else {
        if (this.previous_btn != null) {
          this.previous_btn.removeAttribute('disabled', 'disabled');
        }
        if (this.next_btn != null) {
          this.next_btn.removeAttribute('disabled', 'disabled');
        }
      }
    }
  }, {
    key: 'next_step',
    value: function next_step() {
      var current_id = this.get_current_step_id();

      if (current_id == null) {
        return;
      }

      var next_id = current_id + 1,
          errors = [];

      if (typeof this.options.beforeNext != 'undefined' && this.options.beforeNext != null && this.options.beforeNext) {
        errors = this.options.beforeNext(current_id);
      }
      this.emit('bulmasteps:before:next', current_id);

      if (typeof errors == 'undefined') {
        errors = [];
      }

      if (errors.length > 0) {
        this.emit('bulmasteps:errors', errors);
        for (var i = 0; i < errors.length; i++) {
          if (typeof this.options.onError != 'undefined' && this.options.onError != null && this.options.onError) {
            this.options.onError(errors[i]);
          }
        }

        return;
      }

      if (next_id >= this.steps.length) {
        if (typeof this.options.onFinish != 'undefined' && this.options.onFinish != null && this.options.onFinish) {
          this.options.onFinish(current_id);
        }
        this.emit('bulmasteps:finish', current_id);
        this.deactivate_step(current_id);
      } else {
        this.complete_step(current_id);
        this.activate_step(next_id);
      }
    }
  }, {
    key: 'previous_step',
    value: function previous_step() {
      var current_id = this.get_current_step_id();
      if (current_id == null) {
        return;
      }

      this.uncomplete_step(current_id - 1);
      this.activate_step(current_id - 1);
    }

    /**
     * Activate a single step,
     * will deactivate all other steps.
     */

  }, {
    key: 'activate_step',
    value: function activate_step(step_id) {
      this.updateActions(this.steps[step_id]);

      for (var i = 0; i < this.steps.length; i++) {
        var _step = this.steps[i];

        if (_step == this.steps[step_id]) {
          continue;
        }

        this.deactivate_step(i);
      }

      this.steps[step_id].classList.add(this.options.active_class);
      if (typeof this.contents[step_id] !== 'undefined') {
        this.contents[step_id].classList.add(this.options.active_class);
      }

      if (typeof this.options.onShow != 'undefined' && this.options.onShow != null && this.options.onShow) {
        this.options.onShow(step_id);
      }

      this.emit('bulmasteps:step:show', step_id);
    }
  }, {
    key: 'complete_step',
    value: function complete_step(step_id) {
      this.steps[step_id].classList.add(this.options.completed_class);
      this.emit('bulmasteps:step:completed', step_id);
    }
  }, {
    key: 'uncomplete_step',
    value: function uncomplete_step(step_id) {
      this.steps[step_id].classList.remove(this.options.completed_class);
      this.emit('bulmasteps:step:uncompleted', step_id);
    }
  }, {
    key: 'deactivate_step',
    value: function deactivate_step(step_id) {
      this.steps[step_id].classList.remove(this.options.active_class);
      if (typeof this.contents[step_id] !== 'undefined') {
        this.contents[step_id].classList.remove(this.options.active_class);
      }
    }
  }], [{
    key: 'attach',
    value: function attach() {
      var selector = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '.steps';
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

      var instances = new Array();

      var elements = document.querySelectorAll(selector);
      [].forEach.call(elements, function (element) {
        setTimeout(function () {
          instances.push(new bulmaSteps(element, options));
        }, 100);
      });
      return instances;
    }
  }]);

  return bulmaSteps;
}(__WEBPACK_IMPORTED_MODULE_0__events__["a" /* default */]);

/* harmony default export */ __webpack_exports__["default"] = (bulmaSteps);

/***/ }),
/* 1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var EventEmitter = function () {
  function EventEmitter() {
    var listeners = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];

    _classCallCheck(this, EventEmitter);

    this._listeners = new Map(listeners);
    this._middlewares = new Map();
  }

  _createClass(EventEmitter, [{
    key: "listenerCount",
    value: function listenerCount(eventName) {
      if (!this._listeners.has(eventName)) {
        return 0;
      }

      var eventListeners = this._listeners.get(eventName);
      return eventListeners.length;
    }
  }, {
    key: "removeListeners",
    value: function removeListeners() {
      var _this = this;

      var eventName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
      var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

      if (eventName !== null) {
        if (Array.isArray(eventName)) {
          name.forEach(function (e) {
            return _this.removeListeners(e, middleware);
          });
        } else {
          this._listeners.delete(eventName);

          if (middleware) {
            this.removeMiddleware(eventName);
          }
        }
      } else {
        this._listeners = new Map();
      }
    }
  }, {
    key: "middleware",
    value: function middleware(eventName, fn) {
      var _this2 = this;

      if (Array.isArray(eventName)) {
        name.forEach(function (e) {
          return _this2.middleware(e, fn);
        });
      } else {
        if (!Array.isArray(this._middlewares.get(eventName))) {
          this._middlewares.set(eventName, []);
        }

        this._middlewares.get(eventName).push(fn);
      }
    }
  }, {
    key: "removeMiddleware",
    value: function removeMiddleware() {
      var _this3 = this;

      var eventName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

      if (eventName !== null) {
        if (Array.isArray(eventName)) {
          name.forEach(function (e) {
            return _this3.removeMiddleware(e);
          });
        } else {
          this._middlewares.delete(eventName);
        }
      } else {
        this._middlewares = new Map();
      }
    }
  }, {
    key: "on",
    value: function on(name, callback) {
      var _this4 = this;

      var once = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      if (Array.isArray(name)) {
        name.forEach(function (e) {
          return _this4.on(e, callback);
        });
      } else {
        name = name.toString();
        var split = name.split(/,|, | /);

        if (split.length > 1) {
          split.forEach(function (e) {
            return _this4.on(e, callback);
          });
        } else {
          if (!Array.isArray(this._listeners.get(name))) {
            this._listeners.set(name, []);
          }

          this._listeners.get(name).push({ once: once, callback: callback });
        }
      }
    }
  }, {
    key: "once",
    value: function once(name, callback) {
      this.on(name, callback, true);
    }
  }, {
    key: "emit",
    value: function emit(name, data) {
      var _this5 = this;

      var silent = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

      name = name.toString();
      var listeners = this._listeners.get(name);
      var middlewares = null;
      var doneCount = 0;
      var execute = silent;

      if (Array.isArray(listeners)) {
        listeners.forEach(function (listener, index) {
          // Start Middleware checks unless we're doing a silent emit
          if (!silent) {
            middlewares = _this5._middlewares.get(name);
            // Check and execute Middleware
            if (Array.isArray(middlewares)) {
              middlewares.forEach(function (middleware) {
                middleware(data, function () {
                  var newData = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

                  if (newData !== null) {
                    data = newData;
                  }
                  doneCount++;
                }, name);
              });

              if (doneCount >= middlewares.length) {
                execute = true;
              }
            } else {
              execute = true;
            }
          }

          // If Middleware checks have been passed, execute
          if (execute) {
            if (listener.once) {
              listeners[index] = null;
            }
            listener.callback(data);
          }
        });

        // Dirty way of removing used Events
        while (listeners.indexOf(null) !== -1) {
          listeners.splice(listeners.indexOf(null), 1);
        }
      }
    }
  }]);

  return EventEmitter;
}();

/* harmony default export */ __webpack_exports__["a"] = (EventEmitter);

/***/ }),
/* 2 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
var defaultOptions = {
    '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': false,
    'beforeNext': null,
    'onShow': null,
    'onFinish': null,
    'onError': null
};

/* harmony default export */ __webpack_exports__["a"] = (defaultOptions);

/***/ })
/******/ ])["default"];
});
bulmaSteps.attach();