116 lines
3.2 KiB
TypeScript
116 lines
3.2 KiB
TypeScript
import { ExcalidrawElement } from "../../packages/excalidraw/element/types";
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import { AppState } from "../../packages/excalidraw/types";
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import {
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clearAppStateForLocalStorage,
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getDefaultAppState,
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} from "../../packages/excalidraw/appState";
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import { clearElementsForLocalStorage } from "../../packages/excalidraw/element";
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import { STORAGE_KEYS } from "../app_constants";
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import { ImportedDataState } from "../../packages/excalidraw/data/types";
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export const saveUsernameToLocalStorage = (username: string) => {
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try {
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localStorage.setItem(
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STORAGE_KEYS.LOCAL_STORAGE_COLLAB,
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JSON.stringify({ username }),
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);
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} catch (error: any) {
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// Unable to access window.localStorage
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console.error(error);
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}
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};
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export const importUsernameFromLocalStorage = (): string | null => {
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try {
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const data = localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_COLLAB);
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if (data) {
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return JSON.parse(data).username;
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}
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} catch (error: any) {
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// Unable to access localStorage
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console.error(error);
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}
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return null;
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};
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export const importFromLocalStorage = () => {
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let savedElements = null;
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let savedState = null;
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try {
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savedElements = localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_ELEMENTS);
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savedState = localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_APP_STATE);
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} catch (error: any) {
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// Unable to access localStorage
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console.error(error);
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}
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let elements: ExcalidrawElement[] = [];
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if (savedElements) {
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try {
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elements = clearElementsForLocalStorage(JSON.parse(savedElements));
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} catch (error: any) {
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console.error(error);
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// Do nothing because elements array is already empty
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}
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}
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let appState = null;
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if (savedState) {
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try {
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appState = {
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...getDefaultAppState(),
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...clearAppStateForLocalStorage(
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JSON.parse(savedState) as Partial<AppState>,
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),
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};
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} catch (error: any) {
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console.error(error);
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// Do nothing because appState is already null
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}
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}
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return { elements, appState };
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};
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export const getElementsStorageSize = () => {
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try {
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const elements = localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_ELEMENTS);
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const elementsSize = elements?.length || 0;
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return elementsSize;
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} catch (error: any) {
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console.error(error);
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return 0;
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}
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};
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export const getTotalStorageSize = () => {
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try {
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const appState = localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_APP_STATE);
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const collab = localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_COLLAB);
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const library = localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_LIBRARY);
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const appStateSize = appState?.length || 0;
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const collabSize = collab?.length || 0;
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const librarySize = library?.length || 0;
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return appStateSize + collabSize + librarySize + getElementsStorageSize();
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} catch (error: any) {
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console.error(error);
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return 0;
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}
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};
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export const getLibraryItemsFromStorage = () => {
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try {
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const libraryItems: ImportedDataState["libraryItems"] = JSON.parse(
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localStorage.getItem(STORAGE_KEYS.LOCAL_STORAGE_LIBRARY) as string,
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);
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return libraryItems || [];
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} catch (error) {
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console.error(error);
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return [];
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}
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};
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