Method exists

packages/editor-core/src/Services/IFileSystem.ts:6–6

(path: string)

    writeFile(path: string, content: string): Promise<void>;
    writeBinary(path: string, data: Uint8Array): Promise<void>;
    exists(path: string): Promise<boolean>;
    createDirectory(path: string): Promise<void>;
    listDirectory(path: string): Promise<FileEntry[]>;
    deleteFile(path: string): Promise<void>;