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public/assets/extensions/tinymce/plugins/autosave/plugin.js

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+/**
+ * Copyright (c) Tiny Technologies, Inc. All rights reserved.
+ * Licensed under the LGPL or a commercial license.
+ * For LGPL see License.txt in the project root for license information.
+ * For commercial licenses see https://www.tiny.cloud/
+ *
+ * Version: 5.10.5 (2022-05-25)
+ */
+(function () {
+    'use strict';
+
+    var global$4 = tinymce.util.Tools.resolve('tinymce.PluginManager');
+
+    var eq = function (t) {
+      return function (a) {
+        return t === a;
+      };
+    };
+    var isUndefined = eq(undefined);
+
+    var global$3 = tinymce.util.Tools.resolve('tinymce.util.Delay');
+
+    var global$2 = tinymce.util.Tools.resolve('tinymce.util.LocalStorage');
+
+    var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');
+
+    var fireRestoreDraft = function (editor) {
+      return editor.fire('RestoreDraft');
+    };
+    var fireStoreDraft = function (editor) {
+      return editor.fire('StoreDraft');
+    };
+    var fireRemoveDraft = function (editor) {
+      return editor.fire('RemoveDraft');
+    };
+
+    var parse = function (timeString, defaultTime) {
+      var multiples = {
+        s: 1000,
+        m: 60000
+      };
+      var toParse = timeString || defaultTime;
+      var parsedTime = /^(\d+)([ms]?)$/.exec('' + toParse);
+      return (parsedTime[2] ? multiples[parsedTime[2]] : 1) * parseInt(toParse, 10);
+    };
+
+    var shouldAskBeforeUnload = function (editor) {
+      return editor.getParam('autosave_ask_before_unload', true);
+    };
+    var getAutoSavePrefix = function (editor) {
+      var location = document.location;
+      return editor.getParam('autosave_prefix', 'tinymce-autosave-{path}{query}{hash}-{id}-').replace(/{path}/g, location.pathname).replace(/{query}/g, location.search).replace(/{hash}/g, location.hash).replace(/{id}/g, editor.id);
+    };
+    var shouldRestoreWhenEmpty = function (editor) {
+      return editor.getParam('autosave_restore_when_empty', false);
+    };
+    var getAutoSaveInterval = function (editor) {
+      return parse(editor.getParam('autosave_interval'), '30s');
+    };
+    var getAutoSaveRetention = function (editor) {
+      return parse(editor.getParam('autosave_retention'), '20m');
+    };
+
+    var isEmpty = function (editor, html) {
+      if (isUndefined(html)) {
+        return editor.dom.isEmpty(editor.getBody());
+      } else {
+        var trimmedHtml = global$1.trim(html);
+        if (trimmedHtml === '') {
+          return true;
+        } else {
+          var fragment = new DOMParser().parseFromString(trimmedHtml, 'text/html');
+          return editor.dom.isEmpty(fragment);
+        }
+      }
+    };
+    var hasDraft = function (editor) {
+      var time = parseInt(global$2.getItem(getAutoSavePrefix(editor) + 'time'), 10) || 0;
+      if (new Date().getTime() - time > getAutoSaveRetention(editor)) {
+        removeDraft(editor, false);
+        return false;
+      }
+      return true;
+    };
+    var removeDraft = function (editor, fire) {
+      var prefix = getAutoSavePrefix(editor);
+      global$2.removeItem(prefix + 'draft');
+      global$2.removeItem(prefix + 'time');
+      if (fire !== false) {
+        fireRemoveDraft(editor);
+      }
+    };
+    var storeDraft = function (editor) {
+      var prefix = getAutoSavePrefix(editor);
+      if (!isEmpty(editor) && editor.isDirty()) {
+        global$2.setItem(prefix + 'draft', editor.getContent({
+          format: 'raw',
+          no_events: true
+        }));
+        global$2.setItem(prefix + 'time', new Date().getTime().toString());
+        fireStoreDraft(editor);
+      }
+    };
+    var restoreDraft = function (editor) {
+      var prefix = getAutoSavePrefix(editor);
+      if (hasDraft(editor)) {
+        editor.setContent(global$2.getItem(prefix + 'draft'), { format: 'raw' });
+        fireRestoreDraft(editor);
+      }
+    };
+    var startStoreDraft = function (editor) {
+      var interval = getAutoSaveInterval(editor);
+      global$3.setEditorInterval(editor, function () {
+        storeDraft(editor);
+      }, interval);
+    };
+    var restoreLastDraft = function (editor) {
+      editor.undoManager.transact(function () {
+        restoreDraft(editor);
+        removeDraft(editor);
+      });
+      editor.focus();
+    };
+
+    var get = function (editor) {
+      return {
+        hasDraft: function () {
+          return hasDraft(editor);
+        },
+        storeDraft: function () {
+          return storeDraft(editor);
+        },
+        restoreDraft: function () {
+          return restoreDraft(editor);
+        },
+        removeDraft: function (fire) {
+          return removeDraft(editor, fire);
+        },
+        isEmpty: function (html) {
+          return isEmpty(editor, html);
+        }
+      };
+    };
+
+    var global = tinymce.util.Tools.resolve('tinymce.EditorManager');
+
+    var setup = function (editor) {
+      editor.editorManager.on('BeforeUnload', function (e) {
+        var msg;
+        global$1.each(global.get(), function (editor) {
+          if (editor.plugins.autosave) {
+            editor.plugins.autosave.storeDraft();
+          }
+          if (!msg && editor.isDirty() && shouldAskBeforeUnload(editor)) {
+            msg = editor.translate('You have unsaved changes are you sure you want to navigate away?');
+          }
+        });
+        if (msg) {
+          e.preventDefault();
+          e.returnValue = msg;
+        }
+      });
+    };
+
+    var makeSetupHandler = function (editor) {
+      return function (api) {
+        api.setDisabled(!hasDraft(editor));
+        var editorEventCallback = function () {
+          return api.setDisabled(!hasDraft(editor));
+        };
+        editor.on('StoreDraft RestoreDraft RemoveDraft', editorEventCallback);
+        return function () {
+          return editor.off('StoreDraft RestoreDraft RemoveDraft', editorEventCallback);
+        };
+      };
+    };
+    var register = function (editor) {
+      startStoreDraft(editor);
+      editor.ui.registry.addButton('restoredraft', {
+        tooltip: 'Restore last draft',
+        icon: 'restore-draft',
+        onAction: function () {
+          restoreLastDraft(editor);
+        },
+        onSetup: makeSetupHandler(editor)
+      });
+      editor.ui.registry.addMenuItem('restoredraft', {
+        text: 'Restore last draft',
+        icon: 'restore-draft',
+        onAction: function () {
+          restoreLastDraft(editor);
+        },
+        onSetup: makeSetupHandler(editor)
+      });
+    };
+
+    function Plugin () {
+      global$4.add('autosave', function (editor) {
+        setup(editor);
+        register(editor);
+        editor.on('init', function () {
+          if (shouldRestoreWhenEmpty(editor) && editor.dom.isEmpty(editor.getBody())) {
+            restoreDraft(editor);
+          }
+        });
+        return get(editor);
+      });
+    }
+
+    Plugin();
+
+}());