46 lines
1.2 KiB
TypeScript
46 lines
1.2 KiB
TypeScript
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import { SyncableExcalidrawElement } from ".";
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import { ExcalidrawElement, FileId } from "../../packages/excalidraw/element/types";
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import { AppState, BinaryFileData } from "../../packages/excalidraw/types";
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import Portal from "../collab/Portal";
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export interface StorageBackend {
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isSaved: (portal: Portal, elements: readonly ExcalidrawElement[]) => boolean;
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saveToStorageBackend: (
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portal: Portal,
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elements: readonly SyncableExcalidrawElement[],
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appState: AppState,
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) => Promise<false | { reconciledElements: any }>;
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loadFromStorageBackend: (
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roomId: string,
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roomKey: string,
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socket: SocketIOClient.Socket | null,
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) => Promise<readonly ExcalidrawElement[] | null>;
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saveFilesToStorageBackend: ({
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prefix,
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files,
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}: {
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prefix: string;
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files: {
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id: FileId;
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buffer: Uint8Array;
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}[];
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}) => Promise<{
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savedFiles: Map<FileId, true>;
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erroredFiles: Map<FileId, true>;
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}>;
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loadFilesFromStorageBackend: (
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prefix: string,
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decryptionKey: string,
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filesIds: readonly FileId[],
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) => Promise<{
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loadedFiles: BinaryFileData[];
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erroredFiles: Map<FileId, true>;
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}>;
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}
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export interface StoredScene {
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sceneVersion: number;
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iv: Uint8Array;
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ciphertext: ArrayBuffer;
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}
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