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  var CodemirrorEditor = /*#__PURE__*/function (_HTMLElement) {
    _inheritsLoose(CodemirrorEditor, _HTMLElement);
    function CodemirrorEditor() {
      var _this;
      _this = _HTMLElement.call(this) || this;
      _this.instance = '';
      _this.host = window.location.origin;
      _this.element = _this.querySelector('textarea');
      _this.refresh = _this.refresh.bind(_assertThisInitialized(_this));

      // Observer instance to refresh the Editor when it become visible, eg after Tab switching
      _this.intersectionObserver = new IntersectionObserver(function (entries) {
        if (entries[0].isIntersecting && _this.instance) {
          _this.instance.refresh();
        }
      }, {
        threshold: 0
      });
      return _this;
    }
    var _proto = CodemirrorEditor.prototype;
    _proto.attributeChangedCallback = function attributeChangedCallback(attr, oldValue, newValue) {
      switch (attr) {
        case 'options':
          if (oldValue && newValue !== oldValue) {
            this.refresh(this.element);
          }
          break;
        // Do nothing
      }
    };
    _proto.connectedCallback = /*#__PURE__*/function () {
      var _connectedCallback = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
        var _this2 = this;
        var cmPath, addonsPath, that;
        return _regeneratorRuntime().wrap(function _callee$(_context) {
          while (1) switch (_context.prev = _context.next) {
            case 0:
              cmPath = this.getAttribute('editor');
              addonsPath = this.getAttribute('addons');
              _context.next = 4;
              return import(this.host + "/" + cmPath);
            case 4:
              if (!this.options.keyMapUrl) {
                _context.next = 7;
                break;
              }
              _context.next = 7;
              return import(this.host + "/" + this.options.keyMapUrl);
            case 7:
              _context.next = 9;
              return import(this.host + "/" + addonsPath);
            case 9:
              that = this; // For mode autoloading.
              window.CodeMirror.modeURL = this.getAttribute('mod-path');

              // Fire this function any time an editor is created.
              window.CodeMirror.defineInitHook(function (editor) {
                var _map;
                // Try to set up the mode
                var mode = window.CodeMirror.findModeByName(editor.options.mode || '') || window.CodeMirror.findModeByExtension(editor.options.mode || '');
                window.CodeMirror.autoLoadMode(editor, typeof mode === 'object' ? mode.mode : editor.options.mode);
                if (mode && mode.mime) {
                  // Fix the x-php error
                  if (['text/x-php', 'application/x-httpd-php', 'application/x-httpd-php-open'].includes(mode.mime)) {
                    editor.setOption('mode', 'php');
                  } else if (mode.mime === 'text/html') {
                    editor.setOption('mode', mode.mode);
                  } else {
                    editor.setOption('mode', mode.mime);
                  }
                }
                var toggleFullScreen = function toggleFullScreen() {
                  that.instance.setOption('fullScreen', !that.instance.getOption('fullScreen'));
                  var header = document.getElementById('subhead');
                  if (header) {
                    var header1 = document.getElementById('header');
                    header1.classList.toggle('hidden');
                    header.classList.toggle('hidden');
                    that.instance.display.wrapper.style.top = header.getBoundingClientRect().height + "px";
                  }
                };
                var closeFullScreen = function closeFullScreen() {
                  that.instance.getOption('fullScreen');
                  that.instance.setOption('fullScreen', false);
                  if (!that.instance.getOption('fullScreen')) {
                    var header = document.getElementById('subhead');
                    if (header) {
                      var header1 = document.getElementById('header');
                      header.classList.toggle('hidden');
                      header1.classList.toggle('hidden');
                      that.instance.display.wrapper.style.top = header.getBoundingClientRect().height + "px";
                    }
                  }
                };
                var map = (_map = {
                  'Ctrl-Q': toggleFullScreen
                }, _map[that.getAttribute('fs-combo')] = toggleFullScreen, _map.Esc = closeFullScreen, _map);
                editor.addKeyMap(map);
                var makeMarker = function makeMarker() {
                  var marker = document.createElement('div');
                  marker.className = 'CodeMirror-markergutter-mark';
                  return marker;
                };

                // Handle gutter clicks (place or remove a marker).
                editor.on('gutterClick', function (ed, n, gutter) {
                  if (gutter !== 'CodeMirror-markergutter') {
                    return;
                  }
                  var info = ed.lineInfo(n);
                  var hasMarker = !!info.gutterMarkers && !!info.gutterMarkers['CodeMirror-markergutter'];
                  ed.setGutterMarker(n, 'CodeMirror-markergutter', hasMarker ? null : makeMarker());
                });

                /* Some browsers do something weird with the fieldset which doesn't
                  work well with CodeMirror. Fix it. */
                if (that.parentNode.tagName.toLowerCase() === 'fieldset') {
                  that.parentNode.style.minWidth = 0;
                }
              });

              // Register Editor
              this.instance = window.CodeMirror.fromTextArea(this.element, this.options);
              this.instance.disable = function (disabled) {
                return _this2.setOption('readOnly', disabled ? 'nocursor' : false);
              };
              Joomla.editors.instances[this.element.id] = this.instance;

              // Watch when the element in viewport, and refresh the editor
              this.intersectionObserver.observe(this);
            case 16:
            case "end":
              return _context.stop();
          }
        }, _callee, this);
      }));
      function connectedCallback() {
        return _connectedCallback.apply(this, arguments);
      }
      return connectedCallback;
    }();
    _proto.disconnectedCallback = function disconnectedCallback() {
      // Remove from the Joomla API
      delete Joomla.editors.instances[this.element.id];

      // Remove from observer
      this.intersectionObserver.unobserve(this);
    };
    _proto.refresh = function refresh(element) {
      this.instance.fromTextArea(element, this.options);
    };
    _createClass(CodemirrorEditor, [{
      key: "options",
      get: function get() {
        return JSON.parse(this.getAttribute('options'));
      },
      set: function set(value) {
        this.setAttribute('options', value);
      }
    }], [{
      key: "observedAttributes",
      get: function get() {
        return ['options'];
      }
    }]);
    return CodemirrorEditor;
  }( /*#__PURE__*/_wrapNativeSuper(HTMLElement));
  customElements.define('joomla-editor-codemirror', CodemirrorEditor);

})();
