@types/memory-fs

constructor(data?: any);

data: any;

createReadStream: (
    path: string,
    options?: { start: number; end: number }
) => any;

createWriteStream: (path: string, options?: any) => any;

exists: (path: string, callback: (isExist: boolean) => void) => void;

existsSync: (_path: string) => boolean;

join: (path: string, request: string) => string;

meta: (_path: string) => any;

mkdir: {
    (path: string, callback: (err: Error | null) => void): void;
    (
        path: string,
        optArg: {},
        callback: (err: Error, result?: any) => void
    ): void;
};

mkdirp: (
    path: string,
    callback: (err: Error | null, result?: any) => void
) => void;

mkdirpSync: (_path: string) => void;

mkdirSync: (_path: string) => void;

normalize: (path: string) => string;

pathToArray: (path: string) => string[];

readdir: (
    path: string,
    callback: (err: Error | null, result?: any) => void
) => void;

readdirSync: (_path: string) => string[];

readFile: {
    (path: string, callback: (err: Error | null, result?: any) => void): void;
    (
        path: string,
        optArg: {},
        callback: (err: Error, result?: any) => void
    ): void;
};

readFileSync: (_path: string, encoding?: string) => any;

readlink: (
    path: string,
    callback: (err: Error | null, result?: any) => void
) => void;

readlinkSync: (_path: string) => string;

rmdir: (
    path: string,
    callback: (err: Error | null, result?: any) => void
) => void;

rmdirSync: (_path: string) => void;

stat: (
    path: string,
    callback: (err: Error | null, result?: any) => void
) => void;

statSync: (_path: string) => {
    isFile: () => boolean;
    isDirectory: () => boolean;
    isBlockDevice: () => boolean;
    isCharacterDevice: () => boolean;
    isSymbolicLink: () => boolean;
    isFIFO: () => boolean;
    isSocket: () => boolean;
};

unlink: (
    path: string,
    callback: (err: Error | null, result?: any) => void
) => void;

unlinkSync: (_path: string) => void;

writeFile: {
    (
        path: string,
        content: string | Buffer,
        callback: (err: Error | undefined) => void
    ): void;
    (
        path: string,
        content: any,
        encoding: string,
        callback: (err: Error) => void
    ): void;
};

writeFileSync: (
    _path: string,
    content: string | Buffer,
    encoding?: string
) => void;