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feat: clearing library cache (#6621)

Browse Source 
Co-authored-by: dwelle <luzar.david@gmail.com>
pull/6633/head
Arnost Pleskot 2 years ago committed by GitHub
parent 08563e7d7b
commit a91e401554
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 86 additions and 41 deletions
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1
src/components/App.tsx
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@ -1072,6 +1072,7 @@ class App extends React.Component<AppProps, AppState> {
this.unmounted = true;
this.removeEventListeners();
this.scene.destroy();
this.library.destroy();
clearTimeout(touchTimeout);
touchTimeout = 0;
}

63
src/components/LibraryMenuHeaderContent.tsx
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@ -24,6 +24,7 @@ import DropdownMenu from "./dropdownMenu/DropdownMenu";
import { isLibraryMenuOpenAtom } from "./LibraryMenu";
import { useUIAppState } from "../context/ui-appState";
import clsx from "clsx";
import { useLibraryCache } from "../hooks/useLibraryItemSvg";
const getSelectedItems = (
libraryItems: LibraryItems,
@ -55,7 +56,7 @@ export const LibraryDropdownMenuButton: React.FC<{
jotaiScope,
);
const renderRemoveLibAlert = useCallback(() => {
const renderRemoveLibAlert = () => {
const content = selectedItems.length
? t("alerts.removeItemsFromsLibrary", { count: selectedItems.length })
: t("alerts.resetLibrary");
@ -80,7 +81,7 @@ export const LibraryDropdownMenuButton: React.FC<{
<p>{content}</p>
</ConfirmDialog>
);
}, [selectedItems, onRemoveFromLibrary, resetLibrary]);
};
const [showRemoveLibAlert, setShowRemoveLibAlert] = useState(false);
@ -136,20 +137,20 @@ export const LibraryDropdownMenuButton: React.FC<{
);
}, [setPublishLibSuccess, publishLibSuccess]);
const onPublishLibSuccess = useCallback(
(data: { url: string; authorName: string }, libraryItems: LibraryItems) => {
setShowPublishLibraryDialog(false);
setPublishLibSuccess({ url: data.url, authorName: data.authorName });
const nextLibItems = libraryItems.slice();
nextLibItems.forEach((libItem) => {
if (selectedItems.includes(libItem.id)) {
libItem.status = "published";
}
});
library.setLibrary(nextLibItems);
},
[setShowPublishLibraryDialog, setPublishLibSuccess, selectedItems, library],
);
const onPublishLibSuccess = (
data: { url: string; authorName: string },
libraryItems: LibraryItems,
) => {
setShowPublishLibraryDialog(false);
setPublishLibSuccess({ url: data.url, authorName: data.authorName });
const nextLibItems = libraryItems.slice();
nextLibItems.forEach((libItem) => {
if (selectedItems.includes(libItem.id)) {
libItem.status = "published";
}
});
library.setLibrary(nextLibItems);
};
const onLibraryImport = async () => {
try {
@ -280,27 +281,29 @@ export const LibraryDropdownMenu = ({
className?: string;
}) => {
const { library } = useApp();
const { clearLibraryCache, deleteItemsFromLibraryCache } = useLibraryCache();
const appState = useUIAppState();
const setAppState = useExcalidrawSetAppState();
const [libraryItemsData] = useAtom(libraryItemsAtom, jotaiScope);
const removeFromLibrary = useCallback(
async (libraryItems: LibraryItems) => {
const nextItems = libraryItems.filter(
(item) => !selectedItems.includes(item.id),
);
library.setLibrary(nextItems).catch(() => {
setAppState({ errorMessage: t("alerts.errorRemovingFromLibrary") });
});
onSelectItems([]);
},
[library, setAppState, selectedItems, onSelectItems],
);
const removeFromLibrary = async (libraryItems: LibraryItems) => {
const nextItems = libraryItems.filter(
(item) => !selectedItems.includes(item.id),
);
library.setLibrary(nextItems).catch(() => {
setAppState({ errorMessage: t("alerts.errorRemovingFromLibrary") });
});
deleteItemsFromLibraryCache(selectedItems);
const resetLibrary = useCallback(() => {
onSelectItems([]);
};
const resetLibrary = () => {
library.resetLibrary();
}, [library]);
clearLibraryCache();
};
return (
<LibraryDropdownMenuButton

4
src/components/LibraryMenuItems.tsx
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@ -15,6 +15,7 @@ import { duplicateElements } from "../element/newElement";
import { LibraryMenuControlButtons } from "./LibraryMenuControlButtons";
import { LibraryDropdownMenu } from "./LibraryMenuHeaderContent";
import LibraryMenuSection from "./LibraryMenuSection";
import { useLibraryCache } from "../hooks/useLibraryItemSvg";
import "./LibraryMenuItems.scss";
@ -38,6 +39,7 @@ export default function LibraryMenuItems({
id: string;
}) {
const [selectedItems, setSelectedItems] = useState<LibraryItem["id"][]>([]);
const { svgCache } = useLibraryCache();
const unpublishedItems = libraryItems.filter(
(item) => item.status !== "published",
@ -224,6 +226,7 @@ export default function LibraryMenuItems({
onItemDrag={onItemDrag}
onClick={onItemClick}
isItemSelected={isItemSelected}
svgCache={svgCache}
/>
)}
</>
@ -243,6 +246,7 @@ export default function LibraryMenuItems({
onItemDrag={onItemDrag}
onClick={onItemClick}
isItemSelected={isItemSelected}
svgCache={svgCache}
/>
) : unpublishedItems.length > 0 ? (
<div

9
src/components/LibraryMenuSection.tsx
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@ -4,8 +4,7 @@ import { LibraryItem } from "../types";
import Stack from "./Stack";
import clsx from "clsx";
import { ExcalidrawElement, NonDeleted } from "../element/types";
import { useAtom } from "jotai";
import { libraryItemSvgsCache } from "../hooks/useLibraryItemSvg";
import { SvgCache } from "../hooks/useLibraryItemSvg";
import { useTransition } from "../hooks/useTransition";
const ITEMS_PER_ROW = 4;
@ -26,6 +25,7 @@ interface Props {
onItemSelectToggle: (id: LibraryItem["id"], event: React.MouseEvent) => void;
onItemDrag: (id: LibraryItem["id"], event: React.DragEvent) => void;
isItemSelected: (id: LibraryItem["id"] | null) => boolean;
svgCache: SvgCache;
}
function LibraryRow({
@ -34,6 +34,7 @@ function LibraryRow({
onItemDrag,
isItemSelected,
onClick,
svgCache,
}: Props) {
return (
<Stack.Row className="library-menu-items-container__row">
@ -47,6 +48,7 @@ function LibraryRow({
selected={isItemSelected(item.id)}
onToggle={onItemSelectToggle}
onDrag={onItemDrag}
svgCache={svgCache}
/>
</Stack.Col>
))}
@ -68,11 +70,11 @@ function LibraryMenuSection({
onItemDrag,
isItemSelected,
onClick,
svgCache,
}: Props) {
const rows = Math.ceil(items.length / ITEMS_PER_ROW);
const [, startTransition] = useTransition();
const [index, setIndex] = useState(0);
const [svgCache] = useAtom(libraryItemSvgsCache);
const rowsRenderedPerBatch = useMemo(() => {
return svgCache.size === 0
@ -99,6 +101,7 @@ function LibraryMenuSection({
onItemDrag={onItemDrag}
onClick={onClick}
isItemSelected={isItemSelected}
svgCache={svgCache}
/>
) : (
<EmptyLibraryRow key={i} />

6
src/components/LibraryUnit.tsx
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@ -5,7 +5,7 @@ import { LibraryItem } from "../types";
import "./LibraryUnit.scss";
import { CheckboxItem } from "./CheckboxItem";
import { PlusIcon } from "./icons";
import { useLibraryItemSvg } from "../hooks/useLibraryItemSvg";
import { SvgCache, useLibraryItemSvg } from "../hooks/useLibraryItemSvg";
export const LibraryUnit = ({
id,
@ -15,6 +15,7 @@ export const LibraryUnit = ({
selected,
onToggle,
onDrag,
svgCache,
}: {
id: LibraryItem["id"] | /** for pending item */ null;
elements?: LibraryItem["elements"];
@ -23,9 +24,10 @@ export const LibraryUnit = ({
selected: boolean;
onToggle: (id: string, event: React.MouseEvent) => void;
onDrag: (id: string, event: React.DragEvent) => void;
svgCache: SvgCache;
}) => {
const ref = useRef<HTMLDivElement | null>(null);
const svg = useLibraryItemSvg(id, elements);
const svg = useLibraryItemSvg(id, elements, svgCache);
useEffect(() => {
const node = ref.current;

15
src/data/library.ts
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@ -22,6 +22,7 @@ import {
DEFAULT_SIDEBAR,
LIBRARY_SIDEBAR_TAB,
} from "../constants";
import { libraryItemSvgsCache } from "../hooks/useLibraryItemSvg";
export const libraryItemsAtom = atom<{
status: "loading" | "loaded";
@ -115,6 +116,20 @@ class Library {
}
};
/** call on excalidraw instance unmount */
destroy = () => {
this.isInitialized = false;
this.updateQueue = [];
this.lastLibraryItems = [];
jotaiStore.set(libraryItemSvgsCache, new Map());
// TODO uncomment after/if we make jotai store scoped to each excal instance
// jotaiStore.set(libraryItemsAtom, {
// status: "loading",
// isInitialized: false,
// libraryItems: [],
// });
};
resetLibrary = () => {
return this.setLibrary([]);
};

29
src/hooks/useLibraryItemSvg.ts
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@ -1,12 +1,13 @@
import { atom, useAtom } from "jotai";
import { useEffect, useState } from "react";
import { COLOR_PALETTE } from "../colors";
import { jotaiScope } from "../jotai";
import { exportToSvg } from "../packages/utils";
import { LibraryItem } from "../types";
export const libraryItemSvgsCache = atom<Map<LibraryItem["id"], SVGSVGElement>>(
new Map(),
);
export type SvgCache = Map<LibraryItem["id"], SVGSVGElement>;
export const libraryItemSvgsCache = atom<SvgCache>(new Map());
const exportLibraryItemToSvg = async (elements: LibraryItem["elements"]) => {
return await exportToSvg({
@ -22,8 +23,8 @@ const exportLibraryItemToSvg = async (elements: LibraryItem["elements"]) => {
export const useLibraryItemSvg = (
id: LibraryItem["id"] | null,
elements: LibraryItem["elements"] | undefined,
svgCache: SvgCache,
): SVGSVGElement | undefined => {
const [svgCache, setSvgCache] = useAtom(libraryItemSvgsCache);
const [svg, setSvg] = useState<SVGSVGElement>();
useEffect(() => {
@ -40,7 +41,7 @@ export const useLibraryItemSvg = (
const exportedSvg = await exportLibraryItemToSvg(elements);
if (exportedSvg) {
setSvgCache(svgCache.set(id, exportedSvg));
svgCache.set(id, exportedSvg);
setSvg(exportedSvg);
}
})();
@ -53,7 +54,23 @@ export const useLibraryItemSvg = (
})();
}
}
}, [id, elements, svgCache, setSvgCache, setSvg]);
}, [id, elements, svgCache, setSvg]);
return svg;
};
export const useLibraryCache = () => {
const [svgCache] = useAtom(libraryItemSvgsCache, jotaiScope);
const clearLibraryCache = () => svgCache.clear();
const deleteItemsFromLibraryCache = (items: LibraryItem["id"][]) => {
items.forEach((item) => svgCache.delete(item));
};
return {
clearLibraryCache,
deleteItemsFromLibraryCache,
svgCache,
};
};

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