{"version":3,"file":"chunk-foundation.util.keyboard-ac5e6df9-esm.js","sources":["node_modules/foundation-sites/js/foundation.util.keyboard.js"],"sourcesContent":["/*******************************************\n *                                         *\n * This util was created by Marius Olbertz *\n * Please thank Marius on GitHub /owlbertz *\n * or the web http://www.mariusolbertz.de/ *\n *                                         *\n ******************************************/\n\nimport $ from 'jquery';\nimport { rtl as Rtl } from './foundation.core.utils';\n\nconst keyCodes = {\n  9: 'TAB',\n  13: 'ENTER',\n  27: 'ESCAPE',\n  32: 'SPACE',\n  35: 'END',\n  36: 'HOME',\n  37: 'ARROW_LEFT',\n  38: 'ARROW_UP',\n  39: 'ARROW_RIGHT',\n  40: 'ARROW_DOWN'\n}\n\nvar commands = {}\n\n// Functions pulled out to be referenceable from internals\nfunction findFocusable($element) {\n  if(!$element) {return false; }\n  return $element.find('a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]').filter(function() {\n    if (!$(this).is(':visible') || $(this).attr('tabindex') < 0) { return false; } //only have visible elements and those that have a tabindex greater or equal 0\n    return true;\n  })\n  .sort( function( a, b ) {\n    if ($(a).attr('tabindex') === $(b).attr('tabindex')) {\n      return 0;\n    }\n    let aTabIndex = parseInt($(a).attr('tabindex'), 10),\n      bTabIndex = parseInt($(b).attr('tabindex'), 10);\n    // Undefined is treated the same as 0\n    if (typeof $(a).attr('tabindex') === 'undefined' && bTabIndex > 0) {\n      return 1;\n    }\n    if (typeof $(b).attr('tabindex') === 'undefined' && aTabIndex > 0) {\n      return -1;\n    }\n    if (aTabIndex === 0 && bTabIndex > 0) {\n      return 1;\n    }\n    if (bTabIndex === 0 && aTabIndex > 0) {\n      return -1;\n    }\n    if (aTabIndex < bTabIndex) {\n      return -1;\n    }\n    if (aTabIndex > bTabIndex) {\n      return 1;\n    }\n  });\n}\n\nfunction parseKey(event) {\n  var key = keyCodes[event.which || event.keyCode] || String.fromCharCode(event.which).toUpperCase();\n\n  // Remove un-printable characters, e.g. for `fromCharCode` calls for CTRL only events\n  key = key.replace(/\\W+/, '');\n\n  if (event.shiftKey) key = `SHIFT_${key}`;\n  if (event.ctrlKey) key = `CTRL_${key}`;\n  if (event.altKey) key = `ALT_${key}`;\n\n  // Remove trailing underscore, in case only modifiers were used (e.g. only `CTRL_ALT`)\n  key = key.replace(/_$/, '');\n\n  return key;\n}\n\nvar Keyboard = {\n  keys: getKeyCodes(keyCodes),\n\n  /**\n   * Parses the (keyboard) event and returns a String that represents its key\n   * Can be used like Foundation.parseKey(event) === Foundation.keys.SPACE\n   * @param {Event} event - the event generated by the event handler\n   * @return String key - String that represents the key pressed\n   */\n  parseKey: parseKey,\n\n  /**\n   * Handles the given (keyboard) event\n   * @param {Event} event - the event generated by the event handler\n   * @param {String} component - Foundation component's name, e.g. Slider or Reveal\n   * @param {Objects} functions - collection of functions that are to be executed\n   */\n  handleKey(event, component, functions) {\n    var commandList = commands[component],\n      keyCode = this.parseKey(event),\n      cmds,\n      command,\n      fn;\n\n    if (!commandList) return console.warn('Component not defined!');\n\n    // Ignore the event if it was already handled\n    if (event.zfIsKeyHandled === true) return;\n\n    // This component does not differentiate between ltr and rtl\n    if (typeof commandList.ltr === 'undefined') {\n        cmds = commandList; // use plain list\n    } else { // merge ltr and rtl: if document is rtl, rtl overwrites ltr and vice versa\n        if (Rtl()) cmds = $.extend({}, commandList.ltr, commandList.rtl);\n\n        else cmds = $.extend({}, commandList.rtl, commandList.ltr);\n    }\n    command = cmds[keyCode];\n\n    fn = functions[command];\n     // Execute the handler if found\n    if (fn && typeof fn === 'function') {\n      var returnValue = fn.apply();\n\n      // Mark the event as \"handled\" to prevent future handlings\n      event.zfIsKeyHandled = true;\n\n      // Execute function when event was handled\n      if (functions.handled || typeof functions.handled === 'function') {\n          functions.handled(returnValue);\n      }\n    } else {\n       // Execute function when event was not handled\n      if (functions.unhandled || typeof functions.unhandled === 'function') {\n          functions.unhandled();\n      }\n    }\n  },\n\n  /**\n   * Finds all focusable elements within the given `$element`\n   * @param {jQuery} $element - jQuery object to search within\n   * @return {jQuery} $focusable - all focusable elements within `$element`\n   */\n\n  findFocusable: findFocusable,\n\n  /**\n   * Returns the component name name\n   * @param {Object} component - Foundation component, e.g. Slider or Reveal\n   * @return String componentName\n   */\n\n  register(componentName, cmds) {\n    commands[componentName] = cmds;\n  },\n\n\n  // TODO9438: These references to Keyboard need to not require global. 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