js/bulma-slider.js

(function webpackUniversalModuleDefinition(root, factory) {
	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["bulmaSlider"] = factory();
	else
		root["bulmaSlider"] = factory();
})(typeof self !== 'undefined' ? self : this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, {
/******/ 				configurable: false,
/******/ 				enumerable: true,
/******/ 				get: getter
/******/ 			});
/******/ 		}
/******/ 	};
/******/
/******/ 	// getDefaultExport function for compatibility with non-harmony modules
/******/ 	__webpack_require__.n = function(module) {
/******/ 		var getter = module && module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
/******/ 		__webpack_require__.d(getter, 'a', getter);
/******/ 		return getter;
/******/ 	};
/******/
/******/ 	// Object.prototype.hasOwnProperty.call
/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "";
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = 0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isString", function() { return isString; });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__events__ = __webpack_require__(1);
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; }; }();

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

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 isString = function isString(unknown) {
  return typeof unknown === 'string' || !!unknown && (typeof unknown === 'undefined' ? 'undefined' : _typeof(unknown)) === 'object' && Object.prototype.toString.call(unknown) === '[object String]';
};

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

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

    _classCallCheck(this, bulmaSlider);

    var _this = _possibleConstructorReturn(this, (bulmaSlider.__proto__ || Object.getPrototypeOf(bulmaSlider)).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({}, options);

    _this.onSliderInput = _this.onSliderInput.bind(_this);

    _this.init();
    return _this;
  }

  /**
   * Initiate all DOM element containing selector
   * @method
   * @return {Array} Array of all slider instances
   */


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


    /**
     * Initiate plugin
     * @method init
     * @return {void}
     */
    value: function init() {
      this._id = 'bulmaSlider' + new Date().getTime() + Math.floor(Math.random() * Math.floor(9999));
      this.output = this._findOutputForSlider();

      this._bindEvents();

      if (this.output) {
        if (this.element.classList.contains('has-output-tooltip')) {
          // Get new output position
          var newPosition = this._getSliderOutputPosition();

          // Set output position
          this.output.style['left'] = newPosition.position;
        }
      }

      this.emit('bulmaslider:ready', this.element.value);
    }
  }, {
    key: '_findOutputForSlider',
    value: function _findOutputForSlider() {
      var _this2 = this;

      var result = null;
      var outputs = document.getElementsByTagName('output') || [];

      Array.from(outputs).forEach(function (output) {
        if (output.htmlFor == _this2.element.getAttribute('id')) {
          result = output;
          return true;
        }
      });
      return result;
    }
  }, {
    key: '_getSliderOutputPosition',
    value: function _getSliderOutputPosition() {
      // Update output position
      var newPlace, minValue;

      var style = window.getComputedStyle(this.element, null);
      // Measure width of range input
      var sliderWidth = parseInt(style.getPropertyValue('width'), 10);

      // Figure out placement percentage between left and right of input
      if (!this.element.getAttribute('min')) {
        minValue = 0;
      } else {
        minValue = this.element.getAttribute('min');
      }
      var newPoint = (this.element.value - minValue) / (this.element.getAttribute('max') - minValue);

      // Prevent bubble from going beyond left or right (unsupported browsers)
      if (newPoint < 0) {
        newPlace = 0;
      } else if (newPoint > 1) {
        newPlace = sliderWidth;
      } else {
        newPlace = sliderWidth * newPoint;
      }

      return {
        'position': newPlace + 'px'
      };
    }

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

  }, {
    key: '_bindEvents',
    value: function _bindEvents() {
      if (this.output) {
        // Add event listener to update output when slider value change
        this.element.addEventListener('input', this.onSliderInput, false);
      }
    }
  }, {
    key: 'onSliderInput',
    value: function onSliderInput(e) {
      e.preventDefault();

      if (this.element.classList.contains('has-output-tooltip')) {
        // Get new output position
        var newPosition = this._getSliderOutputPosition();

        // Set output position
        this.output.style['left'] = newPosition.position;
      }

      // Check for prefix and postfix
      var prefix = this.output.hasAttribute('data-prefix') ? this.output.getAttribute('data-prefix') : '';
      var postfix = this.output.hasAttribute('data-postfix') ? this.output.getAttribute('data-postfix') : '';

      // Update output with slider value
      this.output.value = prefix + this.element.value + postfix;

      this.emit('bulmaslider:ready', this.element.value);
    }
  }], [{
    key: 'attach',
    value: function attach() {
      var _this3 = this;

      var selector = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'input[type="range"].slider';
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

      var instances = new Array();

      var elements = isString(selector) ? document.querySelectorAll(selector) : Array.isArray(selector) ? selector : [selector];
      elements.forEach(function (element) {
        if (typeof element[_this3.constructor.name] === 'undefined') {
          var instance = new bulmaSlider(element, options);
          element[_this3.constructor.name] = instance;
          instances.push(instance);
        } else {
          instances.push(element[_this3.constructor.name]);
        }
      });

      return instances;
    }
  }]);

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

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

/***/ }),
/* 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);

/***/ })
/******/ ])["default"];
});