is-wsl

Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)

Can be useful if you need to work around unimplemented or buggy features in WSL. Supports both WSL 1 and WSL 2.

npm install is-wsl

import isWsl from 'is-wsl';

// When running inside Windows Subsystem for Linux
console.log(isWsl);
//=> true