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memfs

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In-memory file-system with Node's fs API.

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import type * as opts from './types/options'; import type { IFileHandle, IReadStream, IWriteStream, IStats, TData, TDataOut, TMode, TTime } from './types/misc'; import type { FsCallbackApi } from './types'; export declare class FileHandle implements IFileHandle { private fs; fd: number; constructor(fs: FsCallbackApi, fd: number); appendFile(data: TData, options?: opts.IAppendFileOptions | string): Promise<void>; chmod(mode: TMode): Promise<void>; chown(uid: number, gid: number): Promise<void>; close(): Promise<void>; datasync(): Promise<void>; createReadStream(options: opts.IFileHandleReadStreamOptions): IReadStream; createWriteStream(options: opts.IFileHandleWriteStreamOptions): IWriteStream; readableWebStream(options?: opts.IReadableWebStreamOptions): ReadableStream; read(buffer: Buffer | Uint8Array, offset: number, length: number, position: number): Promise<TFileHandleReadResult>; readv(buffers: ArrayBufferView[], position?: number | null | undefined): Promise<TFileHandleReadvResult>; readFile(options?: opts.IReadFileOptions | string): Promise<TDataOut>; stat(options?: opts.IFStatOptions): Promise<IStats>; sync(): Promise<void>; truncate(len?: number): Promise<void>; utimes(atime: TTime, mtime: TTime): Promise<void>; write(buffer: Buffer | Uint8Array, offset?: number, length?: number, position?: number): Promise<TFileHandleWriteResult>; writev(buffers: ArrayBufferView[], position?: number | null | undefined): Promise<TFileHandleWritevResult>; writeFile(data: TData, options?: opts.IWriteFileOptions): Promise<void>; } export interface TFileHandleReadResult { bytesRead: number; buffer: Buffer | Uint8Array; } export interface TFileHandleWriteResult { bytesWritten: number; buffer: Buffer | Uint8Array; } export interface TFileHandleReadvResult { bytesRead: number; buffers: ArrayBufferView[]; } export interface TFileHandleWritevResult { bytesWritten: number; buffers: ArrayBufferView[]; }