Desktop: Add PDF full screen viewer (#6821)

.eslintignore

@@ -333,6 +333,9 @@ packages/app-desktop/gui/MainScreen/commands/openItem.js.map
 packages/app-desktop/gui/MainScreen/commands/openNote.d.ts
 packages/app-desktop/gui/MainScreen/commands/openNote.js
 packages/app-desktop/gui/MainScreen/commands/openNote.js.map
+packages/app-desktop/gui/MainScreen/commands/openPdfViewer.d.ts
+packages/app-desktop/gui/MainScreen/commands/openPdfViewer.js
+packages/app-desktop/gui/MainScreen/commands/openPdfViewer.js.map
 packages/app-desktop/gui/MainScreen/commands/openTag.d.ts
 packages/app-desktop/gui/MainScreen/commands/openTag.js
 packages/app-desktop/gui/MainScreen/commands/openTag.js.map
@@ -597,6 +600,9 @@ packages/app-desktop/gui/OneDriveLoginScreen.js.map
 packages/app-desktop/gui/PasswordInput/PasswordInput.d.ts
 packages/app-desktop/gui/PasswordInput/PasswordInput.js
 packages/app-desktop/gui/PasswordInput/PasswordInput.js.map
+packages/app-desktop/gui/PdfViewer.d.ts
+packages/app-desktop/gui/PdfViewer.js
+packages/app-desktop/gui/PdfViewer.js.map
 packages/app-desktop/gui/ResizableLayout/MoveButtons.d.ts
 packages/app-desktop/gui/ResizableLayout/MoveButtons.js
 packages/app-desktop/gui/ResizableLayout/MoveButtons.js.map
@@ -2019,6 +2025,9 @@ packages/lib/uuid.js.map
 packages/lib/versionInfo.d.ts
 packages/lib/versionInfo.js
 packages/lib/versionInfo.js.map
+packages/pdf-viewer/FullViewer.d.ts
+packages/pdf-viewer/FullViewer.js
+packages/pdf-viewer/FullViewer.js.map
 packages/pdf-viewer/Page.d.ts
 packages/pdf-viewer/Page.js
 packages/pdf-viewer/Page.js.map
@@ -2043,9 +2052,15 @@ packages/pdf-viewer/hooks/useScaledSize.js.map
 packages/pdf-viewer/hooks/useScrollSaver.d.ts
 packages/pdf-viewer/hooks/useScrollSaver.js
 packages/pdf-viewer/hooks/useScrollSaver.js.map
+packages/pdf-viewer/hooks/useVisibleOnSelect.d.ts
+packages/pdf-viewer/hooks/useVisibleOnSelect.js
+packages/pdf-viewer/hooks/useVisibleOnSelect.js.map
 packages/pdf-viewer/main.d.ts
 packages/pdf-viewer/main.js
 packages/pdf-viewer/main.js.map
+packages/pdf-viewer/messageService.d.ts
+packages/pdf-viewer/messageService.js
+packages/pdf-viewer/messageService.js.map
 packages/pdf-viewer/miniViewer.d.ts
 packages/pdf-viewer/miniViewer.js
 packages/pdf-viewer/miniViewer.js.map
@@ -2055,6 +2070,9 @@ packages/pdf-viewer/pdfSource.test.js.map
 packages/pdf-viewer/types.d.ts
 packages/pdf-viewer/types.js
 packages/pdf-viewer/types.js.map
+packages/pdf-viewer/ui/GotoPage.d.ts
+packages/pdf-viewer/ui/GotoPage.js
+packages/pdf-viewer/ui/GotoPage.js.map
 packages/pdf-viewer/ui/IconButtons.d.ts
 packages/pdf-viewer/ui/IconButtons.js
 packages/pdf-viewer/ui/IconButtons.js.map

.gitignore

@@ -321,6 +321,9 @@ packages/app-desktop/gui/MainScreen/commands/openItem.js.map
 packages/app-desktop/gui/MainScreen/commands/openNote.d.ts
 packages/app-desktop/gui/MainScreen/commands/openNote.js
 packages/app-desktop/gui/MainScreen/commands/openNote.js.map
+packages/app-desktop/gui/MainScreen/commands/openPdfViewer.d.ts
+packages/app-desktop/gui/MainScreen/commands/openPdfViewer.js
+packages/app-desktop/gui/MainScreen/commands/openPdfViewer.js.map
 packages/app-desktop/gui/MainScreen/commands/openTag.d.ts
 packages/app-desktop/gui/MainScreen/commands/openTag.js
 packages/app-desktop/gui/MainScreen/commands/openTag.js.map
@@ -585,6 +588,9 @@ packages/app-desktop/gui/OneDriveLoginScreen.js.map
 packages/app-desktop/gui/PasswordInput/PasswordInput.d.ts
 packages/app-desktop/gui/PasswordInput/PasswordInput.js
 packages/app-desktop/gui/PasswordInput/PasswordInput.js.map
+packages/app-desktop/gui/PdfViewer.d.ts
+packages/app-desktop/gui/PdfViewer.js
+packages/app-desktop/gui/PdfViewer.js.map
 packages/app-desktop/gui/ResizableLayout/MoveButtons.d.ts
 packages/app-desktop/gui/ResizableLayout/MoveButtons.js
 packages/app-desktop/gui/ResizableLayout/MoveButtons.js.map
@@ -2007,6 +2013,9 @@ packages/lib/uuid.js.map
 packages/lib/versionInfo.d.ts
 packages/lib/versionInfo.js
 packages/lib/versionInfo.js.map
+packages/pdf-viewer/FullViewer.d.ts
+packages/pdf-viewer/FullViewer.js
+packages/pdf-viewer/FullViewer.js.map
 packages/pdf-viewer/Page.d.ts
 packages/pdf-viewer/Page.js
 packages/pdf-viewer/Page.js.map
@@ -2031,9 +2040,15 @@ packages/pdf-viewer/hooks/useScaledSize.js.map
 packages/pdf-viewer/hooks/useScrollSaver.d.ts
 packages/pdf-viewer/hooks/useScrollSaver.js
 packages/pdf-viewer/hooks/useScrollSaver.js.map
+packages/pdf-viewer/hooks/useVisibleOnSelect.d.ts
+packages/pdf-viewer/hooks/useVisibleOnSelect.js
+packages/pdf-viewer/hooks/useVisibleOnSelect.js.map
 packages/pdf-viewer/main.d.ts
 packages/pdf-viewer/main.js
 packages/pdf-viewer/main.js.map
+packages/pdf-viewer/messageService.d.ts
+packages/pdf-viewer/messageService.js
+packages/pdf-viewer/messageService.js.map
 packages/pdf-viewer/miniViewer.d.ts
 packages/pdf-viewer/miniViewer.js
 packages/pdf-viewer/miniViewer.js.map
@@ -2043,6 +2058,9 @@ packages/pdf-viewer/pdfSource.test.js.map
 packages/pdf-viewer/types.d.ts
 packages/pdf-viewer/types.js
 packages/pdf-viewer/types.js.map
+packages/pdf-viewer/ui/GotoPage.d.ts
+packages/pdf-viewer/ui/GotoPage.js
+packages/pdf-viewer/ui/GotoPage.js.map
 packages/pdf-viewer/ui/IconButtons.d.ts
 packages/pdf-viewer/ui/IconButtons.js
 packages/pdf-viewer/ui/IconButtons.js.map

packages/app-desktop/gui/MainScreen/commands/index.ts

@@ -15,6 +15,7 @@ import * as openFolder from './openFolder';
 import * as openFolderDialog from './openFolderDialog';
 import * as openItem from './openItem';
 import * as openNote from './openNote';
+import * as openPdfViewer from './openPdfViewer';
 import * as openTag from './openTag';
 import * as print from './print';
 import * as renameFolder from './renameFolder';
@@ -55,6 +56,7 @@ const index:any[] = [
 	openFolderDialog,
 	openItem,
 	openNote,
+	openPdfViewer,
 	openTag,
 	print,
 	renameFolder,

packages/app-desktop/gui/MainScreen/commands/openPdfViewer.ts

@@ -0,0 +1,28 @@
+import { CommandRuntime, CommandDeclaration, CommandContext } from '@joplin/lib/services/CommandService';
+import { _ } from '@joplin/lib/locale';
+import Resource from '@joplin/lib/models/Resource';
+
+export const declaration: CommandDeclaration = {
+	name: 'openPdfViewer',
+	label: () => _('Open PDF viewer'),
+};
+
+export const runtime = (): CommandRuntime => {
+	return {
+		execute: async (context: CommandContext, resourceId: string, pageNo: number) => {
+
+			const resource = await Resource.load(resourceId);
+			if (!resource) throw new Error(`No such resource: ${resourceId}`);
+			if (resource.mime !== 'application/pdf') throw new Error(`Not a PDF: ${resource.mime}`);
+			console.log('Opening PDF', resource);
+			context.dispatch({
+				type: 'DIALOG_OPEN',
+				name: 'pdfViewer',
+				props: {
+					resource,
+					pageNo: pageNo,
+				},
+			});
+		},
+	};
+};

packages/app-desktop/gui/NoteEditor/utils/useMessageHandler.ts

@@ -52,6 +52,8 @@ export default function useMessageHandler(scrollWhenReady: any, setScrollWhenRea
 			void CommandService.instance().execute(commandName, ...commandArgs);
 		} else if (msg === 'postMessageService.message') {
 			void PostMessageService.instance().postMessage(arg0);
+		} else if (msg === 'openPdfViewer') {
+			await CommandService.instance().execute('openPdfViewer', arg0.resourceId, arg0.pageNo);
 		} else {
 			await CommandService.instance().execute('openItem', msg);
 			// bridge().showErrorMessageBox(_('Unsupported link or message: %s', msg));

packages/app-desktop/gui/PdfViewer.tsx

@@ -0,0 +1,101 @@
+import * as React from 'react';
+import { useCallback, useRef, useEffect } from 'react';
+import Resource from '@joplin/lib/models/Resource';
+import bridge from '../services/bridge';
+import contextMenu from './NoteEditor/utils/contextMenu';
+import { ContextMenuItemType, ContextMenuOptions } from './NoteEditor/utils/contextMenuUtils';
+import CommandService from '@joplin/lib/services/CommandService';
+import styled from 'styled-components';
+import { themeStyle } from '@joplin/lib/theme';
+
+const Window = styled.div`
+	height: 100%;
+    width: 100%;
+    position: fixed;
+    top: 0px;
+    left: 0px;
+    z-index: 999;
+    background-color: ${(props: any) => props.theme.backgroundColor};
+	color: ${(props: any) => props.theme.color};
+	`;
+
+const IFrame = styled.iframe`
+	height: 100%;
+    width: 100%;
+    border: none;
+	`;
+
+interface Props {
+	themeId: number;
+	dispatch: Function;
+	resource: any;
+	pageNo: number;
+}
+
+export default function PdfViewer(props: Props) {
+
+	const iframeRef = useRef<HTMLIFrameElement>(null);
+
+	const onClose = useCallback(() => {
+		props.dispatch({
+			type: 'DIALOG_CLOSE',
+			name: 'pdfViewer',
+		});
+	}, [props.dispatch]);
+
+	const openExternalViewer = useCallback(async () => {
+		await CommandService.instance().execute('openItem', `joplin://${props.resource.id}`);
+	}, [props.resource.id]);
+
+	const textSelected = useCallback(async (text: string) => {
+		if (!text) return;
+		const itemType = ContextMenuItemType.Text;
+		const menu = await contextMenu({
+			itemType,
+			resourceId: null,
+			filename: null,
+			mime: 'text/plain',
+			textToCopy: text,
+			linkToCopy: null,
+			htmlToCopy: '',
+			insertContent: () => { console.warn('insertContent() not implemented'); },
+		} as ContextMenuOptions, props.dispatch);
+
+		menu.popup(bridge().window());
+	}, [props.dispatch]);
+
+	useEffect(() => {
+		const onMessage_ = async (event: any) =>{
+			if (!event.data || !event.data.name) {
+				return;
+			}
+
+			if (event.data.name === 'close') {
+				onClose();
+			} else if (event.data.name === 'externalViewer') {
+				await openExternalViewer();
+			} else if (event.data.name === 'textSelected') {
+				await textSelected(event.data.text);
+			} else {
+				console.error('Unknown event received', event.data.name);
+			}
+		};
+		const iframe = iframeRef.current;
+		iframe.contentWindow.addEventListener('message', onMessage_);
+		return () => {
+			iframe.contentWindow.removeEventListener('message', onMessage_);
+		};
+	}, [onClose, openExternalViewer, textSelected]);
+
+	const theme = themeStyle(props.themeId);
+
+	return (
+		<Window theme={theme}>
+			<IFrame src="./vendor/lib/@joplin/pdf-viewer/index.html" x-url={Resource.fullPath(props.resource)}
+				x-appearance={theme.appearance} ref={iframeRef}
+				x-title={props.resource.title}
+				x-anchorpage={props.pageNo}
+				x-type="full"></IFrame>
+		</Window>
+	);
+}

packages/app-desktop/gui/Root.tsx

@@ -22,6 +22,7 @@ import Dialog from './Dialog';
 import SyncWizardDialog from './SyncWizard/Dialog';
 import MasterPasswordDialog from './MasterPasswordDialog/Dialog';
 import EditFolderDialog from './EditFolderDialog/Dialog';
+import PdfViewer from './PdfViewer';
 import StyleSheetContainer from './StyleSheets/StyleSheetContainer';
 const { ImportScreen } = require('./ImportScreen.min.js');
 const { ResourceScreen } = require('./ResourceScreen.js');
@@ -75,6 +76,11 @@ const registeredDialogs: Record<string, RegisteredDialog> = {
 			return <EditFolderDialog key={props.key} dispatch={props.dispatch} themeId={props.themeId} {...customProps}/>;
 		},
 	},
+	pdfViewer: {
+		render: (props: RegisteredDialogProps, customProps: any) => {
+			return <PdfViewer key={props.key} dispatch={props.dispatch} themeId={props.themeId} {...customProps}/>;
+		},
+	},
 };
 
 const GlobalStyle = createGlobalStyle`

packages/app-desktop/gui/note-viewer/index.html

@@ -579,6 +579,17 @@
 			}
 		}
 
+		ipc.textSelected = function(event) {
+			ipcProxySendToHost('contextMenu', {
+				type: 'text',
+				textToCopy: event.text,
+			});
+		}
+
+		ipc.openPdfViewer = function(event) {
+			ipcProxySendToHost('openPdfViewer', { resourceId: event.resourceId, mime: 'application/pdf', pageNo: event.pageNo || 1 });
+		}
+
 		window.addEventListener('hashchange', webviewLib.logEnabledEventHandler(e => {
 			if (!window.location.hash) return;
 

packages/pdf-viewer/FullViewer.tsx

@@ -0,0 +1,127 @@
+import { useRef, useState, useCallback } from 'react';
+import * as React from 'react';
+import usePdfDocument from './hooks/usePdfDocument';
+import VerticalPages from './VerticalPages';
+import MessageService from './messageService';
+import { DownloadButton, PrintButton, OpenLinkButton, CloseButton } from './ui/IconButtons';
+import ZoomControls from './ui/ZoomControls';
+import styled from 'styled-components';
+import GotoInput from './ui/GotoPage';
+
+require('./fullScreen.css');
+
+const TitleWrapper = styled.div`
+	font-size: 0.7rem;
+	font-weight: 400;
+	display: flex;
+	align-items: start;
+	flex-direction: column;
+	min-width: 10rem;
+	max-width: 18rem;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+	color: var(--secondary);
+	padding: 0.2rem 0.6rem;
+	height: 100%;
+	width: 100%;
+	justify-content: center;
+`;
+
+const Title = styled.div`
+	font-size: 0.9rem;
+	font-weight: bold;
+	margin-bottom: 0.2rem;
+	color: var(--primary);
+	overflow: hidden;
+`;
+
+
+export interface FullViewerProps {
+	pdfPath: string;
+	isDarkTheme: boolean;
+	messageService: MessageService;
+	startPage: number;
+	title: string;
+}
+
+export default function FullViewer(props: FullViewerProps) {
+	const pdfDocument = usePdfDocument(props.pdfPath);
+	const [zoom, setZoom] = useState<number>(1);
+	const [startPage, setStartPage] = useState<number>(props.startPage || 1);
+	const [selectedPage, setSelectedPage] = useState<number>(startPage);
+	const mainViewerRef = useRef<HTMLDivElement>(null);
+	const thubmnailRef = useRef<HTMLDivElement>(null);
+
+	const onActivePageChange = useCallback((pageNo: number) => {
+		setSelectedPage(pageNo);
+	}, []);
+
+	const goToPage = useCallback((pageNo: number) => {
+		if (pageNo < 1 || pageNo > pdfDocument.pageCount || pageNo === selectedPage) return;
+		setSelectedPage(pageNo);
+		setStartPage(pageNo);
+	}, [pdfDocument, selectedPage]);
+
+	if (!pdfDocument) {
+		return (
+			<div className="full-app loading">
+				<div>Loading pdf..</div>
+			</div>);
+	}
+
+	return (
+		<div className="full-app">
+			<div className="top-bar">
+				<div>
+					<TitleWrapper>
+						<Title title={props.title}>{props.title}</Title>
+						<div>{selectedPage} of {pdfDocument.pageCount} pages</div>
+					</TitleWrapper>
+				</div>
+				<div>
+					<ZoomControls onChange={setZoom} zoom={zoom} size={1} />
+					<OpenLinkButton onClick={props.messageService.openExternalViewer} size={1.3} />
+					<PrintButton onClick={pdfDocument?.printPdf} size={1.3}/>
+					<DownloadButton onClick={pdfDocument?.downloadPdf} size={1.3}/>
+					<GotoInput onChange={goToPage} size={1.3} pageCount={pdfDocument.pageCount} currentPage={selectedPage} />
+				</div>
+				<div>
+					<CloseButton onClick={props.messageService.close} size={1.3} />
+				</div>
+			</div>
+			<div className="viewers dark-bg">
+				<div className="pane thumbnail-pane" ref={thubmnailRef}>
+					<VerticalPages
+						pdfDocument={pdfDocument}
+						isDarkTheme={true}
+						rememberScroll={false}
+						container={thubmnailRef}
+						pageGap={16}
+						widthPercent={86}
+						showPageNumbers={true}
+						selectedPage={selectedPage}
+						onPageClick={goToPage}
+						textSelectable={false}
+						zoom={1}
+					/>
+				</div>
+				<div className="pane main-pane" ref={mainViewerRef}>
+					<VerticalPages
+						pdfDocument={pdfDocument}
+						isDarkTheme={true}
+						rememberScroll={false}
+						container={mainViewerRef}
+						zoom={zoom}
+						pageGap={5}
+						anchorPage={startPage}
+						onActivePageChange={onActivePageChange}
+						textSelectable={true}
+						onTextSelect={props.messageService.textSelected}
+						showPageNumbers={false}
+					/>
+				</div>
+			</div>
+		</div>
+	);
+}

packages/pdf-viewer/Page.tsx

@@ -1,32 +1,35 @@
-import { useEffect, useRef, useState, MutableRefObject } from 'react';
+import { useEffect, useRef, useState, MutableRefObject, useCallback } from 'react';
 import * as React from 'react';
 import useIsVisible from './hooks/useIsVisible';
+import useVisibleOnSelect, { VisibleOnSelect } from './hooks/useVisibleOnSelect';
 import PdfDocument from './PdfDocument';
-import { ScaledSize } from './types';
-import useAsyncEffect, { AsyncEffectEvent } from '@joplin/lib/hooks/useAsyncEffect';
+import { ScaledSize, RenderRequest } from './types';
 import styled from 'styled-components';
 
-const PageWrapper = styled.div`
+
+require('./textLayer.css');
+
+const PageWrapper = styled.div<{ isSelected?: boolean }>`
 	display: flex;
 	flex-direction: column;
 	justify-content: center;
 	align-items: center;
 	overflow: hidden;
-	border: solid thin rgba(120, 120, 120, 0.498);
+	border: ${props => props.isSelected ? 'solid 5px #0079ff' : 'solid thin rgba(120, 120, 120, 0.498)'};
 	background: rgb(233, 233, 233);
 	position: relative;
-	border-radius: 0px;
+	border-radius: ${props => props.isSelected ? '0.3rem' : '0px'};
 `;
 
-const PageInfo = styled.div`
+const PageInfo = styled.div<{ isSelected?: boolean }>`
 	position: absolute;
 	top: 0.5rem;
 	left: 0.5rem;
 	padding: 0.3rem;
-	background: rgba(203, 203, 203, 0.509);
+	background: ${props => props.isSelected ? '#0079ff' : 'rgba(203, 203, 203, 0.509)'};
 	border-radius: 0.3rem;
 	font-size: 0.8rem;
-	color: rgba(91, 91, 91, 0.829);
+	color: ${props => props.isSelected ? 'white' : 'rgba(91, 91, 91, 0.829)'};
 	backdrop-filter: blur(0.5rem);
 	cursor: default;
 	user-select: none;
@@ -43,61 +46,64 @@ export interface PageProps {
 	scaledSize: ScaledSize;
 	isDarkTheme: boolean;
 	container: MutableRefObject<HTMLElement>;
-	showPageNumbers?: boolean;
+	showPageNumbers: boolean;
+	isSelected: boolean;
+	textSelectable: boolean;
+	onTextSelect?: (text: string)=> void;
+	onClick?: (page: number)=> void;
+	onDoubleClick?: (page: number)=> void;
 }
 
 
 export default function Page(props: PageProps) {
 	const [error, setError] = useState(null);
-	const [page, setPage] = useState(null);
 	const scaleRef = useRef<number>(null);
-	const timestampRef = useRef<number>(null);
 	const canvasRef = useRef<HTMLCanvasElement>(null);
+	const textRef = useRef<HTMLDivElement>(null);
 	const wrapperRef = useRef<HTMLDivElement>(null);
-	const isVisible = useIsVisible(canvasRef, props.container);
+	const isVisible = useIsVisible(wrapperRef, props.container);
+	useVisibleOnSelect({
+		isVisible,
+		isSelected: props.isSelected,
+		container: props.container,
+		wrapperRef,
+	} as VisibleOnSelect);
 
 	useEffect(() => {
-		if (!isVisible || !page || !props.scaledSize || (scaleRef.current && props.scaledSize.scale === scaleRef.current)) return;
-		try {
-			const viewport = page.getViewport({ scale: props.scaledSize.scale || 1.0 });
-			const canvas = canvasRef.current;
-			canvas.width = viewport.width;
-			canvas.height = viewport.height;
-			const ctx = canvas.getContext('2d');
-			const pageTimestamp = new Date().getTime();
-			timestampRef.current = pageTimestamp;
-			page.render({
-				canvasContext: ctx,
-				viewport,
-				// Used so that the page rendering is throttled to some extent.
-				// https://stackoverflow.com/questions/18069448/halting-pdf-js-page-rendering
-				continueCallback: function(cont: any) {
-					if (timestampRef.current !== pageTimestamp) {
-						return;
-					}
-					cont();
-				},
-			});
+		const isCancelled = () => props.scaledSize.scale !== scaleRef.current;
+
+		const renderPage = async () => {
+			try {
+				const renderRequest: RenderRequest = {
+					pageNo: props.pageNo,
+					scaledSize: props.scaledSize,
+					getTextLayer: props.textSelectable,
+					isCancelled,
+				};
+				const { canvas, textLayerDiv } = await props.pdfDocument.renderPage(renderRequest);
+
+				wrapperRef.current.appendChild(canvas);
+				if (textLayerDiv) wrapperRef.current.appendChild(textLayerDiv);
+
+				if (canvasRef.current) canvasRef.current.remove();
+				if (textRef.current) textRef.current.remove();
+
+				canvasRef.current = canvas;
+				if (textLayerDiv) textRef.current = textLayerDiv;
+			} catch (error) {
+				if (isCancelled()) return;
+				error.message = `Error rendering page no. ${props.pageNo}: ${error.message}`;
+				setError(error);
+				throw error;
+			}
+		};
+
+		if (isVisible && props.scaledSize && (props.scaledSize.scale !== scaleRef.current)) {
 			scaleRef.current = props.scaledSize.scale;
-
-		} catch (error) {
-			error.message = `Error rendering page no. ${props.pageNo}: ${error.message}`;
-			setError(error);
-			throw error;
+			void renderPage();
 		}
-	}, [page, props.scaledSize, isVisible, props.pageNo]);
 
-	useAsyncEffect(async (event: AsyncEffectEvent) => {
-		if (page || !isVisible || !props.pdfDocument) return;
-		try {
-			const _page = await props.pdfDocument.getPage(props.pageNo);
-			if (event.cancelled) return;
-			setPage(_page);
-		} catch (error) {
-			console.error('Page load error', props.pageNo, error);
-			setError(error);
-		}
-	}, [page, props.scaledSize, isVisible]);
+	}, [props.scaledSize, isVisible, props.textSelectable, props.pageNo, props.pdfDocument]);
 
 	useEffect(() => {
 		if (props.focusOnLoad) {
@@ -106,6 +112,11 @@ export default function Page(props: PageProps) {
 		}
 	}, [props.container, props.focusOnLoad]);
 
+
+	const onClick = useCallback(async (_e: React.MouseEvent<HTMLDivElement>) => {
+		if (props.onClick) props.onClick(props.pageNo);
+	}, [props.onClick, props.pageNo]);
+
 	let style: any = {};
 	if (props.scaledSize) {
 		style = {
@@ -115,15 +126,23 @@ export default function Page(props: PageProps) {
 		};
 	}
 
+	const onContextMenu = useCallback((e: React.MouseEvent<HTMLDivElement>) => {
+		if (!props.textSelectable || !props.onTextSelect || !window.getSelection()) return;
+		const text = window.getSelection().toString();
+		if (!text) return;
+		props.onTextSelect(text);
+		e.preventDefault();
+		e.stopPropagation();
+	}, [props.textSelectable, props.onTextSelect]);
+
+	const onDoubleClick = useCallback(() => {
+		if (props.onDoubleClick) props.onDoubleClick(props.pageNo);
+	}, [props.onDoubleClick, props.pageNo]);
+
 	return (
-		<PageWrapper ref={wrapperRef} style={style}>
-			<canvas ref={canvasRef} className="page-canvas" style={style}>
-				<div>
-					{error ? 'ERROR' : 'Loading..'}
-				</div>
-				Page {props.pageNo}
-			</canvas>
-			{props.showPageNumbers && <PageInfo>{props.isAnchored ? '📌' : ''} Page {props.pageNo}</PageInfo>}
+		<PageWrapper onDoubleClick={onDoubleClick} isSelected={!!props.isSelected} onContextMenu={onContextMenu} onClick={onClick} ref={wrapperRef} style={style}>
+			{ error && <div>Error: {error}</div> }
+			{props.showPageNumbers && <PageInfo isSelected={!!props.isSelected}>{props.isAnchored ? '📌' : ''} Page {props.pageNo}</PageInfo>}
 		</PageWrapper>
 	);
 }

packages/pdf-viewer/PdfDocument.ts

@@ -1,11 +1,14 @@
 import * as pdfjsLib from 'pdfjs-dist';
-import { ScaledSize } from './types';
+import { ScaledSize, RenderRequest, RenderResult } from './types';
+import { Mutex, MutexInterface, withTimeout } from 'async-mutex';
+
 
 export default class PdfDocument {
 	public url: string | Uint8Array;
 	private doc: any = null;
 	public pageCount: number = null;
 	private pages: any = {};
+	private rendererMutex: MutexInterface = null;
 	private pageSize: {
 		height: number;
 		width: number;
@@ -14,6 +17,7 @@ export default class PdfDocument {
 
 	public constructor(document: HTMLDocument) {
 		this.document = document;
+		this.rendererMutex = withTimeout(new Mutex(), 40 * 1000);
 	}
 
 	public loadDoc = async (url: string | Uint8Array) => {
@@ -74,6 +78,66 @@ export default class PdfDocument {
 		return Math.min(pageNo, this.pageCount);
 	};
 
+	private renderPageImpl = async ({ pageNo, scaledSize, getTextLayer, isCancelled }: RenderRequest): Promise<RenderResult> => {
+
+		const checkCancelled = () => {
+			if (isCancelled()) {
+				throw new Error(`Render cancelled, page: ${pageNo}`);
+			}
+		};
+
+		const page = await this.getPage(pageNo);
+		checkCancelled();
+
+		const canvas = this.document.createElement('canvas');
+		const viewport = page.getViewport({ scale: scaledSize.scale || 1.0 });
+		canvas.width = viewport.width;
+		canvas.height = viewport.height;
+		const ctx = canvas.getContext('2d');
+		if (!ctx) {
+			throw new Error('Could not get canvas context');
+		}
+
+		await page.render({
+			canvasContext: ctx,
+			viewport,
+		}).promise;
+		checkCancelled();
+
+		let textLayerDiv = null;
+		if (getTextLayer) {
+			textLayerDiv = this.document.createElement('div');
+			textLayerDiv.classList.add('textLayer');
+			const textFragment = this.document.createDocumentFragment();
+			const txtContext = await page.getTextContent();
+			checkCancelled();
+			// Pass the data to the method for rendering of text over the pdf canvas.
+			textLayerDiv.style.height = `${viewport.height}px`;
+			textLayerDiv.style.width = `${viewport.width}px`;
+			await pdfjsLib.renderTextLayer({
+				textContent: txtContext,
+				enhanceTextSelection: true,
+				container: textFragment,
+				viewport: viewport,
+				textDivs: [],
+			}).promise;
+			textLayerDiv.appendChild(textFragment);
+		}
+
+		canvas.style.height = '100%';
+		canvas.style.width = '100%';
+
+		return { canvas, textLayerDiv };
+	};
+
+	public async renderPage(task: RenderRequest): Promise<RenderResult> {
+		// We're using a render mutex to avoid rendering too many pages at the same time
+		// Which can cause the pdfjs library to abandon some of the in-progress rendering unexpectedly
+		return await this.rendererMutex.runExclusive(async () => {
+			return await this.renderPageImpl(task);
+		});
+	}
+
 	public printPdf = () => {
 		const frame = this.document.createElement('iframe');
 		frame.style.position = 'fixed';

packages/pdf-viewer/VerticalPages.tsx

@@ -12,8 +12,8 @@ const PagesHolder = styled.div<{ pageGap: number }>`
 	justify-content: center;
 	align-items: center;
 	flex-flow: column;
-	width: fit-content;
 	min-width: 100%;
+	width: fit-content;
 	min-height: fit-content;
 	row-gap: ${(props)=> props.pageGap || 2}px;
 `;
@@ -22,13 +22,19 @@ export interface VerticalPagesProps {
 	pdfDocument: PdfDocument;
 	isDarkTheme: boolean;
 	anchorPage?: number;
-	rememberScroll?: boolean;
+	rememberScroll: boolean;
 	pdfId?: string;
-	zoom?: number;
+	zoom: number;
 	container: MutableRefObject<HTMLElement>;
 	pageGap: number;
-	showPageNumbers?: boolean;
-	onActivePageChange: (page: number)=> void;
+	widthPercent?: number;
+	showPageNumbers: boolean;
+	selectedPage?: number;
+	textSelectable: boolean;
+	onTextSelect?: (text: string)=> void;
+	onPageClick?: (page: number)=> void;
+	onActivePageChange?: (page: number)=> void;
+	onDoubleClick?: (page: number)=> void;
 }
 
 export default function VerticalPages(props: VerticalPagesProps) {
@@ -63,7 +69,8 @@ export default function VerticalPages(props: VerticalPagesProps) {
 
 		const updateWidth = () => {
 			if (cancelled) return;
-			setContainerWidth(props.container.current.clientWidth);
+			const factor = (props.widthPercent || 100) / 100;
+			setContainerWidth(props.container.current.clientWidth * factor);
 		};
 
 		const onResize = () => {
@@ -85,7 +92,7 @@ export default function VerticalPages(props: VerticalPagesProps) {
 				resizeTimer = null;
 			}
 		};
-	}, [props.container, props.pdfDocument]);
+	}, [props.container, props.pdfDocument, props.widthPercent]);
 
 	return (<PagesHolder pageGap={props.pageGap || 2} ref={innerContainerEl} >
 		{scaledSize ?
@@ -94,6 +101,11 @@ export default function VerticalPages(props: VerticalPagesProps) {
 				return <Page pdfDocument={props.pdfDocument} pageNo={i + 1} focusOnLoad={scaledSize && props.anchorPage && props.anchorPage === i + 1}
 					isAnchored={props.anchorPage && props.anchorPage === i + 1}
 					showPageNumbers={props.showPageNumbers}
+					isSelected={scaledSize && props.selectedPage && props.selectedPage === i + 1}
+					onClick={props.onPageClick}
+					textSelectable={props.textSelectable}
+					onTextSelect={props.onTextSelect}
+					onDoubleClick={props.onDoubleClick}
 					isDarkTheme={props.isDarkTheme} scaledSize={scaledSize} container={props.container} key={i} />;
 			}
 			) : 'Calculating size...'

packages/pdf-viewer/fullScreen.css

@@ -0,0 +1,64 @@
+.full-app{
+	position: fixed;
+	top: 0px;
+	left: 0px;
+	width: 100%;
+	height: 100%;
+    display: grid;
+    grid-template-rows: 2.8rem auto;
+}
+
+.viewers{
+	width: 100%;
+    height: calc(100vh - 2.8rem);
+    overflow: hidden;
+    display: grid;
+    grid-template-columns: 11rem auto;
+    padding-right: 0.4rem;
+}
+
+.pane{
+    display: block;
+	margin: 0px auto;
+	overflow-x: auto;
+    overflow-y: auto;
+    width: 100%;
+	height: 100%;
+	padding: 0rem 0.2rem;
+    position: relative;
+}
+.thumbnail-pane{
+	background-color: var(--tertiary);
+	overflow-y: scroll;
+}
+
+.top-bar{
+	display: grid;
+	grid-template-columns: 18rem auto 3rem;
+    align-items: center;
+    overflow: hidden;
+    background-color: var(--tertiary);
+    flex-direction: row;
+}
+.top-bar > div{
+	display: flex;
+    justify-content: space-around;
+    align-items: center;
+    padding: 0.2rem;
+	flex-direction: row;
+	column-gap: 0.6rem;
+	height: 100%;
+	width: 100%;
+	max-width: 30rem;
+    margin: 0rem auto;
+	overflow: hidden;
+}
+
+@media screen and (max-width: 840px) {
+	.viewers{
+		grid-template-columns: 9rem auto;
+	}
+	.top-bar{
+		grid-template-columns: 10rem auto 3rem;
+	}
+}

packages/pdf-viewer/hooks/useIsVisible.ts

@@ -1,21 +1,37 @@
-import { useEffect, useState, MutableRefObject } from 'react';
+import { useEffect, useState, MutableRefObject, useRef } from 'react';
 
 
 const useIsVisible = (elementRef: MutableRefObject<HTMLElement>, rootRef: MutableRefObject<HTMLElement>) => {
 	const [isVisible, setIsVisible] = useState(false);
+	const lastVisible = useRef(0);
+	const invisibleOn = useRef(0);
 
 	useEffect(() => {
 		let observer: IntersectionObserver = null;
+		let timeout: number = null;
 		if (elementRef.current) {
 			observer = new IntersectionObserver((entries, _observer) => {
 				let visible = false;
 				entries.forEach((entry) => {
 					if (entry.isIntersecting) {
 						visible = true;
-						setIsVisible(true);
+						lastVisible.current = Date.now();
+						if ((invisibleOn.current - lastVisible.current) > 300) {
+							setIsVisible(true);
+						} else {
+							if (!timeout) {
+								timeout = window.setTimeout(() => {
+									if (invisibleOn.current < lastVisible.current) {
+										setIsVisible(true);
+									}
+									timeout = null;
+								}, 300);
+							}
+						}
 					}
 				});
 				if (!visible) {
+					invisibleOn.current = Date.now();
 					setIsVisible(false);
 				}
 			}, {
@@ -29,6 +45,10 @@ const useIsVisible = (elementRef: MutableRefObject<HTMLElement>, rootRef: Mutabl
 			if (observer) {
 				observer.disconnect();
 			}
+			if (timeout) {
+				window.clearTimeout(timeout);
+				timeout = null;
+			}
 		};
 	}, [elementRef, rootRef]);
 

packages/pdf-viewer/hooks/useVisibleOnSelect.ts

@@ -0,0 +1,27 @@
+import { useRef, useEffect, MutableRefObject } from 'react';
+
+export interface VisibleOnSelect {
+	container: MutableRefObject<HTMLElement>;
+    wrapperRef: MutableRefObject<HTMLElement>;
+	isVisible: boolean;
+    isSelected: boolean;
+}
+
+// Used in thumbnail view, to scroll to the newly selected page.
+
+const useVisibleOnSelect = ({ container, wrapperRef, isVisible, isSelected }: VisibleOnSelect) => {
+	const isVisibleRef = useRef(isVisible);
+
+	useEffect(() => {
+		if (isSelected && !isVisibleRef.current) {
+			container.current.scrollTop = wrapperRef.current.offsetTop;
+		}
+	}, [isSelected, isVisibleRef, container, wrapperRef]);
+
+	useEffect(() => {
+		isVisibleRef.current = isVisible;
+	} , [isVisible]);
+
+};
+
+export default useVisibleOnSelect;

packages/pdf-viewer/main.tsx

@@ -4,6 +4,8 @@ shim.setReact(React);
 import { render } from 'react-dom';
 import * as pdfjsLib from 'pdfjs-dist';
 import MiniViewerApp from './miniViewer';
+import MessageService from './messageService';
+import FullViewer from './FullViewer';
 
 require('./common.css');
 
@@ -15,15 +17,27 @@ const type = window.frameElement.getAttribute('x-type');
 const appearance = window.frameElement.getAttribute('x-appearance');
 const anchorPage = Number(window.frameElement.getAttribute('x-anchorPage')) || null;
 const pdfId = window.frameElement.getAttribute('id');
+const resourceId = window.frameElement.getAttribute('x-resourceid');
+const title = window.frameElement.getAttribute('x-title');
 
 document.documentElement.setAttribute('data-theme', appearance);
 
+const messageService = new MessageService(type);
+
 function App() {
 	if (type === 'mini') {
 		return <MiniViewerApp pdfPath={url}
 			isDarkTheme={appearance === 'dark'}
 			anchorPage={anchorPage}
-			pdfId={pdfId} />;
+			pdfId={pdfId}
+			resourceId={resourceId}
+			messageService={messageService}/>;
+	} else if (type === 'full') {
+		return <FullViewer pdfPath={url}
+			isDarkTheme={appearance === 'dark'}
+			startPage={anchorPage || 1}
+			title={title}
+			messageService={messageService} />;
 	}
 	return <div>Error: Unknown app type "{type}"</div>;
 }

packages/pdf-viewer/messageService.ts

@@ -0,0 +1,35 @@
+export default class MessageService {
+	private viewerType: string;
+	public constructor(type: string) {
+		this.viewerType = type;
+	}
+	private sendMessage = (name: string, data?: any) => {
+		if (this.viewerType === 'full') {
+			const message = {
+				name,
+				...data,
+			};
+			window.postMessage(message, '*');
+		} else if (this.viewerType === 'mini') {
+			const message = {
+				name,
+				data,
+				target: 'webview',
+			};
+			window.parent.postMessage(message, '*');
+		}
+	};
+	public textSelected = (text: string) => {
+		this.sendMessage('textSelected', { text });
+	};
+	public close = () => {
+		this.sendMessage('close');
+	};
+	public openExternalViewer = () => {
+		this.sendMessage('externalViewer');
+	};
+
+	public openFullScreenViewer = (resourceId: string, pageNo: number) => {
+		this.sendMessage('openPdfViewer', { resourceId, pageNo });
+	};
+}

packages/pdf-viewer/miniViewer.tsx

@@ -3,6 +3,7 @@ import useIsFocused from './hooks/useIsFocused';
 import usePdfDocument from './hooks/usePdfDocument';
 import VerticalPages from './VerticalPages';
 import ZoomControls from './ui/ZoomControls';
+import MessageService from './messageService';
 import { DownloadButton, PrintButton } from './ui/IconButtons';
 
 require('./miniViewer.css');
@@ -12,6 +13,8 @@ export interface MiniViewerAppProps {
 	isDarkTheme: boolean;
 	anchorPage: number;
 	pdfId: string;
+	resourceId?: string;
+	messageService: MessageService;
 }
 
 export default function MiniViewerApp(props: MiniViewerAppProps) {
@@ -25,6 +28,10 @@ export default function MiniViewerApp(props: MiniViewerAppProps) {
 		setActivePage(page);
 	}, []);
 
+	const onDoubleClick = useCallback((pageNo: number) => {
+		props.messageService.openFullScreenViewer(props.resourceId, pageNo);
+	}, [props.messageService, props.resourceId]);
+
 	if (!pdfDocument) {
 		return (
 			<div className="mini-app loading">
@@ -44,6 +51,9 @@ export default function MiniViewerApp(props: MiniViewerAppProps) {
 					container={containerEl}
 					showPageNumbers={true}
 					zoom={zoom}
+					textSelectable={true}
+					onTextSelect={props.messageService.textSelected}
+					onDoubleClick={onDoubleClick}
 					pageGap={2}
 					onActivePageChange={onActivePageChange} />
 			</div>

packages/pdf-viewer/package.json

@@ -40,6 +40,7 @@
     "@fortawesome/free-solid-svg-icons": "^6.1.2",
     "@fortawesome/react-fontawesome": "^0.2.0",
     "@joplin/lib": "workspace:^",
+    "async-mutex": "^0.4.0",
     "pdfjs-dist": "^2.14.305",
     "react": "16.13.1",
     "react-dom": "16.9.0",

packages/pdf-viewer/textLayer.css

@@ -0,0 +1,91 @@
+/* Copyright 2014 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ .textLayer {
+    position: absolute;
+    text-align: initial;
+    left: 0;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    overflow: hidden;
+    line-height: 1;
+    text-size-adjust: none;
+  }
+
+  .textLayer span,
+  .textLayer br {
+    color: transparent;
+    position: absolute;
+    white-space: pre;
+    cursor: text;
+    transform-origin: 0% 0%;
+  }
+
+  /* Only necessary in Google Chrome, see issue 14205, and most unfortunately
+   * the problem doesn't show up in "text" reference tests. */
+  .textLayer span.markedContent {
+    top: 0;
+    height: 0;
+  }
+
+  .textLayer .highlight {
+    margin: -1px;
+    padding: 1px;
+    background-color: rgba(180, 0, 170, 1);
+    border-radius: 4px;
+  }
+
+  .textLayer .highlight.appended {
+    position: initial;
+  }
+
+  .textLayer .highlight.begin {
+    border-radius: 4px 0 0 4px;
+  }
+
+  .textLayer .highlight.end {
+    border-radius: 0 4px 4px 0;
+  }
+
+  .textLayer .highlight.middle {
+    border-radius: 0;
+  }
+
+  .textLayer .highlight.selected {
+    background-color: rgba(0, 100, 0, 1);
+  }
+
+  /* Avoids https://github.com/mozilla/pdf.js/issues/13840 in Chrome */
+  .textLayer br::selection {
+    background: transparent;
+  }
+
+  .textLayer .endOfContent {
+    display: block;
+    position: absolute;
+    left: 0;
+    top: 100%;
+    right: 0;
+    bottom: 0;
+    z-index: -1;
+    cursor: default;
+    user-select: none;
+  }
+
+  .textLayer .endOfContent.active {
+    top: 0;
+  }
+  

packages/pdf-viewer/types.ts

@@ -9,3 +9,15 @@ export interface IconButtonProps {
     size?: number;
     color?: string;
 }
+
+export interface RenderRequest {
+	pageNo: number;
+	scaledSize: ScaledSize;
+	getTextLayer: boolean;
+	isCancelled: ()=> boolean;
+}
+
+export interface RenderResult {
+	canvas: HTMLCanvasElement;
+	textLayerDiv: HTMLDivElement;
+}

packages/pdf-viewer/ui/GotoPage.tsx

@@ -0,0 +1,67 @@
+import React, { useCallback, useEffect, useRef } from 'react';
+import styled from 'styled-components';
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
+import { faAngleRight, faAngleLeft } from '@fortawesome/free-solid-svg-icons';
+
+const Group = styled.div<{ size: number }>`
+	display: flex;
+	justify-content: center;
+	align-items: center;
+	flex-flow: row;
+	color: var(--grey);
+	cursor: initial;
+	font-size: ${props => props.size}rem;
+	padding: 0.2rem 0.4rem;
+	svg:hover {
+		color: var(--secondary);
+	}
+`;
+
+const GoToInput = styled.input`
+ont-size: 0.7rem;
+    font-weight: 500;
+    max-width: 3rem;
+    padding: 0.4rem 0.3rem;
+    background: var(--bg);
+    border: solid 2px transparent;
+    border-radius: 3.5rem;
+    color: var(--tertialry);
+    text-align: center;
+    margin: auto 0.6rem;
+	&:focus {
+		outline: none;
+		border: solid 2px var(--blue);
+	}
+`;
+
+export interface GotoInputProps {
+	onChange: (pageNo: number)=> void;
+	size?: number;
+	pageCount: number;
+	currentPage: number;
+}
+
+export default function GotoInput(props: GotoInputProps) {
+	const inputRef = useRef<HTMLInputElement>(null);
+
+	const inputFocus = useCallback(() => {
+		inputRef.current?.select();
+	} , []);
+
+	const onPageNoInput = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
+		if (e.target.value.length <= 0) return;
+		const pageNo = parseInt(e.target.value, 10);
+		if (pageNo < 1 || pageNo > props.pageCount || pageNo === props.currentPage) return;
+		props.onChange(pageNo);
+	}, [props.onChange, props.pageCount, props.currentPage]);
+
+	useEffect(() => {
+		inputRef.current.value = props.currentPage.toString();
+	} , [props.currentPage]);
+
+	return (<Group size={props.size || 1}>
+		<FontAwesomeIcon icon={faAngleLeft} title="Previous Page" style={{ cursor: 'pointer' }} onClick={() => props.onChange(props.currentPage - 1)} />
+		<GoToInput onChange={onPageNoInput} placeholder="Page" ref={inputRef} onFocus={inputFocus} />
+		<FontAwesomeIcon icon={faAngleRight} title="Next Page" style={{ cursor: 'pointer' }} onClick={() => props.onChange(props.currentPage + 1)} />
+	</Group>);
+}

packages/pdf-viewer/ui/IconButtons.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import styled from 'styled-components';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
-import { faPrint, faDownload, IconDefinition } from '@fortawesome/free-solid-svg-icons';
+import { faPrint, faDownload, faSquareArrowUpRight, faXmark, IconDefinition } from '@fortawesome/free-solid-svg-icons';
 import { IconButtonProps } from '../types';
 
 
@@ -43,6 +43,18 @@ function BaseButton({ onClick, icon, name, size, color, hoverColor }: BaseButton
 	);
 }
 
+export function OpenLinkButton({ onClick, size, color }: IconButtonProps) {
+	return (
+		<BaseButton onClick={onClick} icon={faSquareArrowUpRight} name='Open in another app' size={size} color={color} />
+	);
+}
+
+export function CloseButton({ onClick, size, color }: IconButtonProps) {
+	return (
+		<BaseButton onClick={onClick} icon={faXmark} name='Close' size={size} color={color} hoverColor={'red'} />
+	);
+}
+
 export function DownloadButton({ onClick, size, color }: IconButtonProps) {
 	return (
 		<BaseButton onClick={onClick} icon={faDownload} name='Download' size={size} color={color} />

packages/renderer/MdToHtml/renderMedia.ts

@@ -69,7 +69,7 @@ export default function(link: Link, options: Options, linkIndexes: LinkIndexes)
 
 			return `<iframe src="${src}" x-url="${escapedResourcePath}" 
 			x-appearance="${options.theme.appearance}" ${anchorPageNo ? `x-anchorPage="${anchorPageNo}"` : ''} id="${id}"
-			x-type="mini"
+			x-type="mini" x-resourceid="${resourceId}"
 		 class="media-player media-pdf"></iframe>`;
 		}
 

yarn.lock

@@ -4139,6 +4139,7 @@ __metadata:
     "@types/react": 16.9.55
     "@types/react-dom": ^16.9.0
     "@types/styled-components": ^5.1.25
+    async-mutex: ^0.4.0
     babel-jest: ^28.1.3
     css-loader: ^6.7.1
     jest: ^28.1.3
@@ -8640,6 +8641,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"async-mutex@npm:^0.4.0":
+  version: 0.4.0
+  resolution: "async-mutex@npm:0.4.0"
+  dependencies:
+    tslib: ^2.4.0
+  checksum: 813a71728b35a4fbfd64dba719f04726d9133c67b577fcd951b7028c4a675a13ee34e69beb82d621f87bf81f5d4f135c4c44be0448550c7db728547244ef71fc
+  languageName: node
+  linkType: hard
+
 "async-settle@npm:^1.0.0":
   version: 1.0.0
   resolution: "async-settle@npm:1.0.0"
@@ -32672,6 +32682,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tslib@npm:^2.4.0":
+  version: 2.4.0
+  resolution: "tslib@npm:2.4.0"
+  checksum: 8c4aa6a3c5a754bf76aefc38026134180c053b7bd2f81338cb5e5ebf96fefa0f417bff221592bf801077f5bf990562f6264fecbc42cd3309b33872cb6fc3b113
+  languageName: node
+  linkType: hard
+
 "tsutils@npm:^3.21.0, tsutils@npm:^3.7.0":
   version: 3.21.0
   resolution: "tsutils@npm:3.21.0"