tempy 
Get a random temporary file or directory path
Install
$ npm install tempy
Usage
const tempy = require('tempy');
tempy.file();
//=> '/private/var/folders/3x/jf5977fn79jbglr7rk0tq4d00000gn/T/4f504b9edb5ba0e89451617bf9f971dd'
tempy.file({extension: 'png'});
//=> '/private/var/folders/3x/jf5977fn79jbglr7rk0tq4d00000gn/T/a9fb0decd08179eb6cf4691568aa2018.png'
tempy.file({name: 'unicorn.png'});
//=> '/private/var/folders/3x/jf5977fn79jbglr7rk0tq4d00000gn/T/f7f62bfd4e2a05f1589947647ed3f9ec/unicorn.png'
tempy.directory();
//=> '/private/var/folders/3x/jf5977fn79jbglr7rk0tq4d00000gn/T/2f3d094aec2cb1b93bb0f4cffce5ebd6'
API
tempy.file(options?)
Get a temporary file path you can write to.
options
Type: object
You usually won't need either the extension or name option. Specify them only when actually needed.
extension
Type: string
File extension.
name
Type: string
Filename. Mutually exclusive with the extension option.
tempy.directory()
Get a temporary directory path. The directory is created for you.
tempy.root
Get the root temporary directory path. For example: /private/var/folders/3x/jf5977fn79jbglr7rk0tq4d00000gn/T
FAQ
Why doesn't it have a cleanup method?
Temp files will be periodically cleaned up on macOS. Most Linux distros will clean up on reboot. If you're generating a lot of temp files, it's recommended to use a complementary module like del for cleanup.