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define("tiny_autosave/autosaver",["exports","./options","./storage","core/log","core_form/events","./common"],(function(_exports,Options,Storage,_log,_events,_common){var obj;function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireWildcard(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!=typeof obj&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}return newObj.default=obj,cache&&cache.set(obj,newObj),newObj}
/**
   * Storage helper for the Moodle Tiny Autosave plugin.
   *
   * @module      tiny_autosave/autosaver
   * @copyright   2022 Andrew Lyons <andrew@nicols.co.uk>
   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.register=void 0,Options=_interopRequireWildcard(Options),Storage=_interopRequireWildcard(Storage),_log=(obj=_log)&&obj.__esModule?obj:{default:obj};_exports.register=editor=>{const undoHandler=()=>{editor.undoManager.hasUndo()?Storage.saveDraft(editor):_log.default.debug("Ignoring undo event as there is no undo history",(0,_common.getLogSource)(editor))},visibilityChangedHandler=()=>{"hidden"===document.visibilityState&&Options.isInitialised(editor)&&Storage.saveDraft(editor)},handleFormSubmittedByJavascript=e=>{Options.isInitialised(editor)&&e.target.contains(editor.getElement())&&removeAutoSaveSession()},removeAutoSaveSession=()=>{document.removeEventListener("visibilitychange",visibilityChangedHandler),document.removeEventListener(_events.eventTypes.formSubmittedByJavascript,handleFormSubmittedByJavascript),Storage.removeAutosaveSession(editor)};document.addEventListener("visibilitychange",visibilityChangedHandler),editor.on("submit",removeAutoSaveSession),document.addEventListener(_events.eventTypes.formSubmittedByJavascript,handleFormSubmittedByJavascript),editor.on("init",(()=>{editor.on("AddUndo",undoHandler),editor.dom.isEmpty(editor.getBody())?(_log.default.info("Attempting to restore draft",(0,_common.getLogSource)(editor)),Storage.restoreDraft(editor)):(_log.default.warn("Skipping draft restoration. The editor is not empty.",(0,_common.getLogSource)(editor)),Options.markInitialised(editor))}))}}));

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