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