How to use the fs-temp.mkdir function in fs-temp

beforeEach(function(done) {
    temp.mkdir(function(err, p) {
      if (err) {
        return done(err)
      }

      const storage = multer.diskStorage({
        destination: p,
        filename: function(req, f, cb) {
          cb(null, f.originalname)
        },
      })

      uploadDir = p
      upload = multer({ storage: storage })
      done()
    })
  })

beforeEach(done => {
    temp.mkdir((err, path) => {
      if (err) return done(err);

      const storage = multer.diskStorage({
        destination: path,
        filename: (req, file, cb) => {
          cb(null, file.originalname);
        }
      });

      uploadDir = path;
      upload = multer({ storage });
      done();
    });
  });

function makeStandardEnv(cb) {
    temp.mkdir(function(err, uploadDir) {
      if (err) {
        return cb(err)
      }

      cleanup.push(uploadDir)

      const storage = multer.diskStorage({
        destination: uploadDir,
        filename: generateFilename,
      })

      cb(null, {
        upload: multer({ storage: storage }),
        uploadDir: uploadDir,
        form: new FormData(),
      })

beforeEach(done => {
    temp.mkdir((err, path) => {
      if (err) return done(err);

      uploadDir = path;
      upload = multer({ dest: path });
      done();
    });
  });

function makeStandardEnv(cb) {
    temp.mkdir((err, uploadDir) => {
      if (err) return cb(err);

      cleanup.push(uploadDir);

      const storage = multer.diskStorage({
        destination: uploadDir,
        filename: generateFilename
      });

      cb(null, {
        upload: multer({ storage }),
        uploadDir,
        form: new FormData()
      });
    });
  }

beforeEach(function(done) {
    temp.mkdir(function(err, p) {
      if (err) {
        return done(err)
      }

      uploadDir = p
      upload = multer({ dest: p })
      done()
    })
  })

function makeStandardEnv (cb) {
    temp.mkdir(function (err, uploadDir) {
      if (err) return cb(err)

      cleanup.push(uploadDir)

      var storage = multer.diskStorage({
        destination: uploadDir,
        filename: generateFilename
      })

      cb(null, {
        upload: multer({ storage: storage }),
        uploadDir: uploadDir,
        form: new FormData()
      })
    })
  }

before(function(done) {
    temp.mkdir(function(err, path) {
      if (err) {
        return done(err)
      }

      uploadDir = path
      upload = multer({ dest: path, limits: { fileSize: 100 } })
      done()
    })
  })

before(done => {
    temp.mkdir((err, path) => {
      if (err) return done(err);

      uploadDir = path;
      upload = multer({ dest: path, limits: { fileSize: 100 } });
      done();
    });
  });