mirror of
https://github.com/naturalcrit/homebrewery.git
synced 2026-11-14 12:38:44 +00:00
435 lines
16 KiB
React
435 lines
16 KiB
React
import React, { useState, useEffect, useEffectEvent, useRef } from 'react';
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import { printCurrentBrew, fetchThemeBundle } from '@shared/helpers.js';
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import _ from 'lodash';
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import { hbfm } from 'marked-hbfm';
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import { md5 } from 'hash-wasm';
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import { makePatches, stringifyPatches } from '@sanity/diff-match-patch';
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import Headtags from '@vitreum/headtags.js';
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import SplitPane from '@components/splitPane/splitPane.jsx';
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import Editor from '../../../editor/editor.jsx';
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import BrewRenderer from '../../../brewRenderer/brewRenderer.jsx';
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import LockNotification from '../../editPage/lockNotification/lockNotification.jsx';
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const Meta = Headtags.Meta;
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//===---- Navbar
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import Nav from '@navbar/nav.jsx';
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import Navbar from '@navbar/navbar.jsx';
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import ErrorNavItem from '@navbar/error-navitem.jsx';
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import googleDriveIcon from '../../../googleDrive.svg';
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const AUTOSAVE_KEY = 'HB_editor_autoSaveOn';
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const BREWKEY = 'HB_newPage_content';
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const STYLEKEY = 'HB_newPage_style';
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const SNIPKEY = 'HB_newPage_snippets';
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const METAKEY = 'HB_newPage_meta';
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const SAVEKEY_PREFIX = 'HB_editor_defaultSave_';
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const SAVE_TIMEOUT = 10000; //Autosave 10 seconds after last change
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const UNSAVED_WARNING_TIMEOUT = 900000; //Warn user afer 15 minutes of unsaved changes
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const UNSAVED_WARNING_POPUP_TIMEOUT = 4000; //Show the warning for 4 seconds
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const EditorPage = (props)=>{
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const {
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brew,
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useLocalStorage,
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sandbox,
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showFloatingButtons,
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save,
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onSaveSuccess,
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pageName,
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pageTitle,
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showEditorButtons,
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userThemes = {}
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} = props;
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const [currentBrew, setCurrentBrew] = useState(brew);
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const [isSaving, setIsSaving] = useState(false);
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const [lastSavedTime, setLastSavedTime] = useState(new Date());
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const [autoSaveEnabled, setAutoSaveEnabled] = useState(!sandbox);
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const [warnUnsavedChanges, setWarnUnsavedChanges] = useState(true);
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const [unsavedChanges, setUnsavedChanges] = useState(false);
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const [themeBundle, setThemeBundle] = useState({});
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const [HTMLErrors, setHTMLErrors] = useState(hbfm.validate(currentBrew.text));
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const [saveGoogle, setSaveGoogle] = useState(currentBrew.googleId);
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const [error, setError] = useState(null);
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const [alertTrashedGoogleBrew, setAlertTrashedGoogleBrew] = useState(currentBrew.trashed);
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const [alertNoGoogleToTransfer, setAlertNoGoogleToTransfer] = useState(false);
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const [alertOwnershipToTransfer, setAlertOwnershipToTransfer] = useState(false);
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const [confirmGoogleTransfer, setConfirmGoogleTransfer] = useState(false);
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const [currentEditorViewPageNum, setCurrentEditorViewPageNum] = useState(1);
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const [currentEditorCursorPageNum, setCurrentEditorCursorPageNum] = useState(1);
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const [currentBrewRendererPageNum, setCurrentBrewRendererPageNum] = useState(1);
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const unsavedChangesRef = useRef(unsavedChanges); // onBeforeUnload lives outside React and needs ref to unsavedChanges
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const warnUnsavedTimeout = useRef(null); // timers live outside React and need ref to consistently track time
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const lastSavedBrew = useRef(_.cloneDeep(currentBrew));
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const saveTimeout = useRef(null);
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const editorRef = useRef(null);
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//==--------- Page setup ----------==//
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useEffect(()=>{
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if(useLocalStorage) loadBrewFromLocalStorage();
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const autoSavePref = !sandbox && JSON.parse(localStorage.getItem(AUTOSAVE_KEY) ?? true);
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setAutoSaveEnabled(autoSavePref);
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setWarnUnsavedChanges(!autoSavePref);
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fetchThemeBundle(setError, setThemeBundle, currentBrew.renderer, currentBrew.theme);
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const handleControlKeys = (e)=>{
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if(!(e.ctrlKey || e.metaKey)) return;
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if(e.keyCode === 83) trySave(true, true, saveGoogle);
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if(e.keyCode === 80) printCurrentBrew();
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if([83, 80].includes(e.keyCode)) {
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e.stopPropagation();
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e.preventDefault();
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}
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};
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document.addEventListener('keydown', handleControlKeys);
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window.onbeforeunload = ()=>{
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if(unsavedChangesRef.current)
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return 'You have unsaved changes!';
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};
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return ()=>{
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document.removeEventListener('keydown', handleControlKeys);
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window.onbeforeunload = null;
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};
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}, []);
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const loadBrewFromLocalStorage = ()=>{
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const brew = { ...currentBrew };
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if(!brew.shareId && typeof window !== 'undefined') { //Load from localStorage if in client browser
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const brewStorage = localStorage.getItem(BREWKEY);
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const styleStorage = localStorage.getItem(STYLEKEY);
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const snipStorage = localStorage.getItem(SNIPKEY);
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const metaStorage = JSON.parse(localStorage.getItem(METAKEY));
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brew.text = brewStorage ?? brew.text;
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brew.style = styleStorage ?? brew.style;
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brew.snippets = snipStorage ?? brew.snippets;
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brew.renderer = metaStorage?.renderer ?? brew.renderer;
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brew.theme = metaStorage?.theme ?? brew.theme;
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brew.lang = metaStorage?.lang ?? brew.lang;
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}
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const SAVEKEY = `${SAVEKEY_PREFIX}${global.account?.username}`;
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const saveStorage = localStorage.getItem(SAVEKEY) || 'HOMEBREWERY';
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setCurrentBrew(brew);
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lastSavedBrew.current = brew;
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setSaveGoogle(saveStorage == 'GOOGLE-DRIVE' && saveGoogle);
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localStorage.setItem(BREWKEY, brew.text);
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if(brew.style) localStorage.setItem(STYLEKEY, brew.style);
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if(brew.snippets) localStorage.setItem(SNIPKEY, brew.snippets);
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localStorage.setItem(METAKEY, JSON.stringify({ renderer: brew.renderer, theme: brew.theme, lang: brew.lang }));
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if(window.location.pathname !== '/new')
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window.history.replaceState({}, window.location.title, '/new/');
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};
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const clearLocalStorage = ()=>{
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localStorage.removeItem(BREWKEY);
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localStorage.removeItem(STYLEKEY);
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localStorage.removeItem(SNIPKEY);
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localStorage.removeItem(METAKEY);
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};
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//======----- Check for unsaved changes and autosave if enabled -----======
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useEffect(()=>{
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const hasChange = !_.isEqual(currentBrew, lastSavedBrew.current);
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setUnsavedChanges(hasChange);
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unsavedChangesRef.current = hasChange;
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if(autoSaveEnabled) trySave(false, hasChange, saveGoogle);
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}, [currentBrew]);
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const resetWarnUnsavedTimer = ()=>{
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setTimeout(()=>setWarnUnsavedChanges(false), UNSAVED_WARNING_POPUP_TIMEOUT); // Hide the warning after 4 seconds
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clearTimeout(warnUnsavedTimeout.current);
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warnUnsavedTimeout.current = setTimeout(()=>setWarnUnsavedChanges(true), UNSAVED_WARNING_TIMEOUT); // 15 minutes between unsaved work warnings
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};
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const handleSplitMove = ()=>{
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editorRef.current?.update();
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};
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const handleBrewChange = (field)=>(value, subfield)=>{ //'text', 'style', 'snippets', 'metadata'
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if(subfield == 'renderer' || subfield == 'theme')
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fetchThemeBundle(setError, setThemeBundle, value.renderer, value.theme);
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//If there are HTML errors, run the validator on every change to give quick feedback
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if(HTMLErrors.length && (field == 'text' || field == 'snippets'))
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setHTMLErrors(hbfm.validate(value));
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if(field == 'metadata') setCurrentBrew((prev)=>({ ...prev, ...value }));
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else setCurrentBrew((prev)=>({ ...prev, [field]: value }));
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if(useLocalStorage) {
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if(field == 'text') localStorage.setItem(BREWKEY, value);
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if(field == 'style') localStorage.setItem(STYLEKEY, value);
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if(field == 'snippets') localStorage.setItem(SNIPKEY, value);
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if(field == 'metadata') localStorage.setItem(METAKEY, JSON.stringify({
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renderer : value.renderer,
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theme : value.theme,
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lang : value.lang
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}));
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}
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};
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const toggleAutoSave = ()=>{
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clearTimeout(warnUnsavedTimeout.current);
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clearTimeout(saveTimeout.current);
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localStorage.setItem(AUTOSAVE_KEY, JSON.stringify(!autoSaveEnabled));
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setAutoSaveEnabled(!autoSaveEnabled);
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setWarnUnsavedChanges(autoSaveEnabled);
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};
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const clearError = ()=>{
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setError(null);
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setIsSaving(false);
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};
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const trySave = useEffectEvent((forceSave = false, hasChanges = true, saveToGoogle = false)=>{
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clearTimeout(saveTimeout.current);
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if(isSaving) return;
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if(!forceSave && !hasChanges) return;
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const newTimeout = forceSave ? 0 : SAVE_TIMEOUT;
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saveTimeout.current = setTimeout(async ()=>{
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setIsSaving(true);
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setError(null);
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setHTMLErrors(hbfm.validate(currentBrew.text));
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//Prepare content to send to server
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const snapshotBrewBeforeSave = currentBrew;
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const brewToSave = {
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...currentBrew,
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text : currentBrew.text.normalize('NFC'),
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pageCount : ((currentBrew.renderer === 'legacy' ? currentBrew.text.match(/\\page/g) : currentBrew.text.match(/^(?=\\page(?:break)?(?: *{[^\n{}]*})?$)/gm)) || []).length + 1,
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patches : stringifyPatches(makePatches(encodeURI(lastSavedBrew.current.text.normalize('NFC')), encodeURI(currentBrew.text.normalize('NFC')))),
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hash : await md5(lastSavedBrew.current.text.normalize('NFC')),
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textBin : undefined,
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version : lastSavedBrew.current.version
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};
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const savedBrew = await save(brewToSave, saveToGoogle)
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.catch((err)=>{
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console.error('Error Updating Local Brew');
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setError(err);
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});
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if(savedBrew) {
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lastSavedBrew.current = {
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...snapshotBrewBeforeSave,
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...savedBrew
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};
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setCurrentBrew((prevBrew)=>({
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...prevBrew,
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...savedBrew
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}));
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if(useLocalStorage) clearLocalStorage();
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setLastSavedTime(new Date());
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if(!autoSaveEnabled) resetWarnUnsavedTimer();
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onSaveSuccess(savedBrew);
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}
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setIsSaving(false);
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}, newTimeout);
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});
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const renderSaveButton = ()=>{
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if(isSaving)
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return <Nav.item className='save' icon='fas fa-spinner fa-spin'>saving...</Nav.item>;
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if(unsavedChanges && warnUnsavedChanges) {
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resetWarnUnsavedTimer();
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const elapsedTime = Math.round((new Date() - lastSavedTime) / 1000 / 60);
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const text = elapsedTime === 0
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? `Autosave is OFF${sandbox ? ' for this sandbox page' : ''}.`
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: `Autosave is OFF${sandbox ? ' for this sandbox page' : ''}, and you haven't saved for ${elapsedTime} minutes.`;
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return <Nav.item className='save error' icon='fas fa-exclamation-circle'>
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Reminder...
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<div className='errorContainer'>{text}</div>
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</Nav.item>;
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}
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if(unsavedChanges)
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return <Nav.item className='save neverSaved' onClick={()=>trySave(true, true, saveGoogle)} color='blue' icon='fas fa-save'>save now</Nav.item>;
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if(autoSaveEnabled)
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return <Nav.item className='save saved'>auto-saved</Nav.item>;
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if(sandbox)
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return <Nav.item className='save' disabled={true}>no changes</Nav.item>;
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return <Nav.item className='save saved'>saved</Nav.item>;
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};
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//TODO: Candidate for refactor/rename; used with history tool to load previous verion; may overlap with snippet injection or handleBrewChange
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const updateBrew = (newData)=>setCurrentBrew((prevBrew)=>({
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...prevBrew,
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style : newData.style,
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text : newData.text,
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snippets : newData.snippets
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}));
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//======----- Google Toggle Button -----======
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const closeAlerts = (e)=>{
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setAlertTrashedGoogleBrew(false);
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setAlertNoGoogleToTransfer(false);
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setConfirmGoogleTransfer(false);
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setAlertOwnershipToTransfer(false);
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};
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const handleGoogleClick = ()=>{
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if(currentBrew.authors.length > 0 && global.account?.username !== currentBrew.authors[0]) {
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setAlertOwnershipToTransfer(true);
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return;
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}
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if(!global.account?.googleId) {
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setAlertNoGoogleToTransfer(true);
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return;
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}
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setConfirmGoogleTransfer((prev)=>!prev);
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setError(null);
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};
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const toggleGoogleStorage = (e)=>{
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closeAlerts(e);
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const newSaveGoogle = !saveGoogle;
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setSaveGoogle((prev)=>!prev);
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setError(null);
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trySave(true, true, newSaveGoogle);
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};
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const renderGoogleDriveIcon = ()=>{
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const errorExists = alertNoGoogleToTransfer || alertOwnershipToTransfer || alertTrashedGoogleBrew || confirmGoogleTransfer;
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return (<>
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<Nav.header>This brew is in {saveGoogle ? 'Google Drive' : 'The Homebrewery'}</Nav.header>
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<Nav.item icon={'fas fa-hard-drive'} className='googleDriveStorage' noDismiss='true' onClick={handleGoogleClick}>
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{saveGoogle ? 'Transfer to Homebrewery' : 'Transfer to Drive'}
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{saveGoogle? '' : <img src={googleDriveIcon} alt='Google Drive icon' /> }
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</Nav.item>
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{errorExists && <Nav.item className='errorContainer' >
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{alertOwnershipToTransfer && (
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<>
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You must be the Owner to transfer between the Homebrewery and Google Drive!
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The owner of this file is {currentBrew.authors[0]}.
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<div className='confirm' onClick={closeAlerts}> Okay </div>
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</>
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)}
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{alertNoGoogleToTransfer && (
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<>
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You must be signed in to a Google account to transfer between the Homebrewery and Google Drive!
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<a target='_blank' rel='noopener noreferrer' href={`https://www.naturalcrit.com/login?redirect=${window.location.href}`}>
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<div className='confirm' onClick={closeAlerts}> Sign In </div>
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</a>
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<div className='deny' onClick={closeAlerts}> Not Now </div>
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</>
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)}
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{alertTrashedGoogleBrew && (
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<>
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This brew is currently in your Trash folder on Google Drive!<br />
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If you want to keep it, make sure to move it before it is deleted permanently!<br />
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<div className='confirm' onClick={toggleGoogleStorage}> Save my brew </div>
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</>
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)}
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{confirmGoogleTransfer && (
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<>
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{saveGoogle
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? 'Would you like to transfer this brew from your Google Drive storage back to the Homebrewery?'
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: 'Would you like to transfer this brew from the Homebrewery to your personal Google Drive storage?'}
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<div className='confirm' onClick={toggleGoogleStorage}> Yes </div>
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<div className='deny' onClick={closeAlerts}> No </div>
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</>
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)}
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</Nav.item>}
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</>
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);
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};
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const renderAutoSaveButton = ()=>(
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<Nav.item icon={'fas fa-cloud-arrow-up'} onClick={toggleAutoSave} noDismiss={true}>
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Autosave <input type="checkbox" name="autosave" checked={autoSaveEnabled}/>
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</Nav.item>
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);
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const renderFloatingSaveButtons = ()=>(
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<>
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<div className={`floatingSaveButton${unsavedChanges ? ' show' : ''}`} onClick={()=>trySave(true, true, saveGoogle)}>
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Save current <i className='fas fa-save' />
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</div>
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<a href='/new' className='floatingNewButton'>
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Create your own <i className='fas fa-magic' />
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</a>
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</>
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);
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return (
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<div className= {`${pageName} sitePage`}>
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<Meta name='google-site-verification' content='NwnAQSSJZzAT7N-p5MY6ydQ7Njm67dtbu73ZSyE5Fy4' />
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{(pageName == 'editPage') && <Meta name='robots' content='noindex, nofollow' />}
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<Navbar brew={currentBrew} editor={editorRef.current} pageName={pageName} title={pageTitle} account={global.account} currentPage={currentBrewRendererPageNum}>
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<Navbar.File>
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<Nav.item
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className='save'
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onClick={()=>trySave(true, true, saveGoogle)}
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icon='fas fa-save'>
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save now
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</Nav.item>
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{(pageName == 'editPage') && renderAutoSaveButton()}
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{pageName === 'editPage' && <div className='nav-section'>
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{renderGoogleDriveIcon()}
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</div>}
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</Navbar.File>
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<Navbar.Menu>
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<li className='menu-wrapper'>
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{error? <ErrorNavItem error={error} clearError={clearError} /> : renderSaveButton()}
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</li>
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</Navbar.Menu>
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</Navbar>
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{currentBrew.lock && <LockNotification shareId={currentBrew.shareId} message={currentBrew.lock.editMessage} reviewRequested={currentBrew.lock.reviewRequested}/>}
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<div className='content'>
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<SplitPane onDragFinish={handleSplitMove}>
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<Editor
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ref={editorRef}
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brew={currentBrew}
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onBrewChange={handleBrewChange}
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reportError={setError}
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renderer={currentBrew.renderer}
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userThemes={userThemes}
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showEditButtons={showEditorButtons}
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themeBundle={themeBundle}
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updateBrew={updateBrew}
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onCursorPageChange={setCurrentEditorCursorPageNum}
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onViewPageChange={setCurrentEditorViewPageNum}
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currentEditorViewPageNum={currentEditorViewPageNum}
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currentEditorCursorPageNum={currentEditorCursorPageNum}
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currentBrewRendererPageNum={currentBrewRendererPageNum}
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/>
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<BrewRenderer
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lang={currentBrew.lang}
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text={currentBrew.text}
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style={currentBrew.style}
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renderer={currentBrew.renderer}
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themeBundle={themeBundle}
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errors={HTMLErrors}
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onPageChange={setCurrentBrewRendererPageNum}
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currentEditorCursorPageNum={currentEditorCursorPageNum}
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allowPrint={true} //TODO: candidate for cleanup in brewRenderer. Homepage only place where allowPrint = false. Vote OK to allow print everywhere
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/>
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</SplitPane>
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</div>
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{showFloatingButtons && renderFloatingSaveButtons()}
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</div>
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);
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};
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export default EditorPage; |