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method.\");\n}\nvar MicroModal = function () {\n  var FOCUSABLE_ELEMENTS = ['a[href]', 'area[href]', 'input:not([disabled]):not([type=\"hidden\"]):not([aria-hidden])', 'select:not([disabled]):not([aria-hidden])', 'textarea:not([disabled]):not([aria-hidden])', 'button:not([disabled]):not([aria-hidden])', 'iframe', 'object', 'embed', '[contenteditable]', '[tabindex]:not([tabindex^=\"-\"])'];\n  var Modal = /*#__PURE__*/function () {\n    function Modal(_ref) {\n      var targetModal = _ref.targetModal,\n        _ref$triggers = _ref.triggers,\n        triggers = _ref$triggers === void 0 ? 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// Register click events only if pre binding eventListeners\n\n      if (triggers.length > 0) this.registerTriggers.apply(this, _toConsumableArray(triggers)); // pre bind functions for event listeners\n\n      this.onClick = this.onClick.bind(this);\n      this.onKeydown = this.onKeydown.bind(this);\n    }\n    /**\n     * Loops through all openTriggers and binds click event\n     * @param  {array} triggers [Array of node elements]\n     * @return {void}\n     */\n\n    _createClass(Modal, [{\n      key: \"registerTriggers\",\n      value: function registerTriggers() {\n        var _this = this;\n        for (var _len = arguments.length, triggers = new Array(_len), _key = 0; _key < _len; _key++) {\n          triggers[_key] = arguments[_key];\n        }\n        triggers.filter(Boolean).forEach(function (trigger) {\n          trigger.addEventListener('click', function (event) {\n            return _this.showModal(event);\n          });\n        });\n      }\n    }, {\n      key: \"showModal\",\n      value: function showModal() {\n        var _this2 = this;\n        var event = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;\n        this.activeElement = document.activeElement;\n        this.modal.setAttribute('aria-hidden', 'false');\n        this.modal.classList.add(this.config.openClass);\n        this.scrollBehaviour('disable');\n        this.addEventListeners();\n        if (this.config.awaitOpenAnimation) {\n          var handler = function handler() {\n            _this2.modal.removeEventListener('animationend', handler, false);\n            _this2.setFocusToFirstNode();\n          };\n          this.modal.addEventListener('animationend', handler, false);\n        } else {\n          this.setFocusToFirstNode();\n        }\n        this.config.onShow(this.modal, this.activeElement, event);\n      }\n    }, {\n      key: \"closeModal\",\n      value: function closeModal() {\n        var event = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;\n        var modal = this.modal;\n        this.modal.setAttribute('aria-hidden', 'true');\n        this.removeEventListeners();\n        this.scrollBehaviour('enable');\n        if (this.activeElement && this.activeElement.focus) {\n          this.activeElement.focus();\n        }\n        this.config.onClose(this.modal, this.activeElement, event);\n        if (this.config.awaitCloseAnimation) {\n          var openClass = this.config.openClass; // <- old school ftw\n\n          this.modal.addEventListener('animationend', function handler() {\n            modal.classList.remove(openClass);\n            modal.removeEventListener('animationend', handler, false);\n          }, false);\n        } else {\n          modal.classList.remove(this.config.openClass);\n        }\n      }\n    }, {\n      key: \"closeModalById\",\n      value: function closeModalById(targetModal) {\n        this.modal = document.getElementById(targetModal);\n        if (this.modal) this.closeModal();\n      }\n    }, {\n      key: \"scrollBehaviour\",\n      value: function scrollBehaviour(toggle) {\n        if (!this.config.disableScroll) return;\n        var body = document.querySelector('body');\n        switch (toggle) {\n          case 'enable':\n            Object.assign(body.style, {\n              overflow: ''\n            });\n            break;\n          case 'disable':\n            Object.assign(body.style, {\n              overflow: 'hidden'\n            });\n            break;\n        }\n      }\n    }, {\n      key: \"addEventListeners\",\n      value: function addEventListeners() {\n        this.modal.addEventListener('touchstart', this.onClick);\n        this.modal.addEventListener('click', this.onClick);\n        document.addEventListener('keydown', this.onKeydown);\n      }\n    }, {\n      key: \"removeEventListeners\",\n      value: function removeEventListeners() {\n        this.modal.removeEventListener('touchstart', this.onClick);\n        this.modal.removeEventListener('click', this.onClick);\n        document.removeEventListener('keydown', this.onKeydown);\n      }\n    }, {\n      key: \"onClick\",\n      value: function onClick(event) {\n        if (event.target.hasAttribute(this.config.closeTrigger)) {\n          this.closeModal(event);\n        }\n      }\n    }, {\n      key: \"onKeydown\",\n      value: function onKeydown(event) {\n        if (event.keyCode === 27) this.closeModal(event); // esc\n\n        if (event.keyCode === 9) this.retainFocus(event); // tab\n      }\n    }, {\n      key: \"getFocusableNodes\",\n      value: function getFocusableNodes() {\n        var nodes = this.modal.querySelectorAll(FOCUSABLE_ELEMENTS);\n        return Array.apply(void 0, _toConsumableArray(nodes));\n      }\n      /**\n       * Tries to set focus on a node which is not a close trigger\n       * if no other nodes exist then focuses on first close trigger\n       */\n    }, {\n      key: \"setFocusToFirstNode\",\n      value: function setFocusToFirstNode() {\n        var _this3 = this;\n        if (this.config.disableFocus) return;\n        var focusableNodes = this.getFocusableNodes(); // no focusable nodes\n\n        if (focusableNodes.length === 0) return; // remove nodes on whose click, the modal closes\n        // could not think of a better name :(\n\n        var nodesWhichAreNotCloseTargets = focusableNodes.filter(function (node) {\n          return !node.hasAttribute(_this3.config.closeTrigger);\n        });\n        if (nodesWhichAreNotCloseTargets.length > 0) nodesWhichAreNotCloseTargets[0].focus();\n        if (nodesWhichAreNotCloseTargets.length === 0) focusableNodes[0].focus();\n      }\n    }, {\n      key: \"retainFocus\",\n      value: function retainFocus(event) {\n        var focusableNodes = this.getFocusableNodes(); // no focusable nodes\n\n        if (focusableNodes.length === 0) return;\n        /**\n         * Filters nodes which are hidden to prevent\n         * focus leak outside modal\n         */\n\n        focusableNodes = focusableNodes.filter(function (node) {\n          return node.offsetParent !== null;\n        }); // if disableFocus is true\n\n        if (!this.modal.contains(document.activeElement)) {\n          focusableNodes[0].focus();\n        } else {\n          var focusedItemIndex = focusableNodes.indexOf(document.activeElement);\n          if (event.shiftKey && focusedItemIndex === 0) {\n            focusableNodes[focusableNodes.length - 1].focus();\n            event.preventDefault();\n          }\n          if (!event.shiftKey && focusableNodes.length > 0 && focusedItemIndex === focusableNodes.length - 1) {\n            focusableNodes[0].focus();\n            event.preventDefault();\n          }\n        }\n      }\n    }]);\n    return Modal;\n  }();\n  /**\n   * Modal prototype ends.\n   * Here on code is responsible for detecting and\n   * auto binding event handlers on modal triggers\n   */\n  // Keep a reference to the opened modal\n\n  var activeModal = null;\n  /**\n   * Generates an associative array of modals and it's\n   * respective triggers\n   * @param  {array} triggers     An array of all triggers\n   * @param  {string} triggerAttr The data-attribute which triggers the module\n   * @return {array}\n   */\n\n  var generateTriggerMap = function generateTriggerMap(triggers, triggerAttr) {\n    var triggerMap = [];\n    triggers.forEach(function (trigger) {\n      var targetModal = trigger.attributes[triggerAttr].value;\n      if (triggerMap[targetModal] === undefined) triggerMap[targetModal] = [];\n      triggerMap[targetModal].push(trigger);\n    });\n    return triggerMap;\n  };\n  /**\n   * Validates whether a modal of the given id exists\n   * in the DOM\n   * @param  {number} id  The id of the modal\n   * @return {boolean}\n   */\n\n  var validateModalPresence = function validateModalPresence(id) {\n    if (!document.getElementById(id)) {\n      console.warn(\"MicroModal: \\u2757Seems like you have missed %c'\".concat(id, \"'\"), 'background-color: #f8f9fa;color: #50596c;font-weight: bold;', 'ID somewhere in your code. Refer example below to resolve it.');\n      console.warn(\"%cExample:\", 'background-color: #f8f9fa;color: #50596c;font-weight: bold;', \"<div class=\\\"modal\\\" id=\\\"\".concat(id, \"\\\"></div>\"));\n      return false;\n    }\n  };\n  /**\n   * Validates if there are modal triggers present\n   * in the DOM\n   * @param  {array} triggers An array of data-triggers\n   * @return {boolean}\n   */\n\n  var validateTriggerPresence = function validateTriggerPresence(triggers) {\n    if (triggers.length <= 0) {\n      console.warn(\"MicroModal: \\u2757Please specify at least one %c'micromodal-trigger'\", 'background-color: #f8f9fa;color: #50596c;font-weight: bold;', 'data attribute.');\n      console.warn(\"%cExample:\", 'background-color: #f8f9fa;color: #50596c;font-weight: bold;', \"<a href=\\\"#\\\" data-micromodal-trigger=\\\"my-modal\\\"></a>\");\n      return false;\n    }\n  };\n  /**\n   * Checks if triggers and their corresponding modals\n   * are present in the DOM\n   * @param  {array} triggers   Array of DOM nodes which have data-triggers\n   * @param  {array} triggerMap Associative array of modals and their triggers\n   * @return {boolean}\n   */\n\n  var validateArgs = function validateArgs(triggers, triggerMap) {\n    validateTriggerPresence(triggers);\n    if (!triggerMap) return true;\n    for (var id in triggerMap) {\n      validateModalPresence(id);\n    }\n    return true;\n  };\n  /**\n   * Binds click handlers to all modal triggers\n   * @param  {object} config [description]\n   * @return void\n   */\n\n  var init = function init(config) {\n    // Create an config object with default openTrigger\n    var options = Object.assign({}, {\n      openTrigger: 'data-micromodal-trigger'\n    }, config); // Collects all the nodes with the trigger\n\n    var triggers = _toConsumableArray(document.querySelectorAll(\"[\".concat(options.openTrigger, \"]\"))); // Makes a mappings of modals with their trigger nodes\n\n    var triggerMap = generateTriggerMap(triggers, options.openTrigger); // Checks if modals and triggers exist in dom\n\n    if (options.debugMode === true && validateArgs(triggers, triggerMap) === false) return; // For every target modal creates a new instance\n\n    for (var key in triggerMap) {\n      var value = triggerMap[key];\n      options.targetModal = key;\n      options.triggers = _toConsumableArray(value);\n      activeModal = new Modal(options); // eslint-disable-line no-new\n    }\n  };\n  /**\n   * Shows a particular modal\n   * @param  {string} targetModal [The id of the modal to display]\n   * @param  {object} config [The configuration object to pass]\n   * @return {void}\n   */\n\n  var show = function show(targetModal, config) {\n    var options = config || {};\n    options.targetModal = targetModal; // Checks if modals and triggers exist in dom\n\n    if (options.debugMode === true && validateModalPresence(targetModal) === false) return; // clear events in case previous modal wasn't close\n\n    if (activeModal) activeModal.removeEventListeners(); // stores reference to active modal\n\n    activeModal = new Modal(options); // eslint-disable-line no-new\n\n    activeModal.showModal();\n  };\n  /**\n   * Closes the active modal\n   * @param  {string} targetModal [The id of the modal to close]\n   * @return {void}\n   */\n\n  var close = function close(targetModal) {\n    targetModal ? activeModal.closeModalById(targetModal) : activeModal.closeModal();\n  };\n  return {\n    init: init,\n    show: show,\n    close: close\n  };\n}();\nwindow.MicroModal = MicroModal;\nexport default MicroModal;"],"sourceRoot":""}