[windows cmd] cannot not start 'npm run dev'

[hjyssg]

npm ERR! code ELIFECYCLE
npm ERR! syscall spawn bash
npm ERR! file bash
npm ERR! path bash
npm ERR! errno ENOENT

[hjyssg]

webpack seems use bash.
windows default cmd does not have bash.

[hjyssg]

this one : https://www.howtogeek.com/249966/how-to-install-and-use-the-linux-bash-shell-on-windows-10/

f**k it. Does not work.

[hjyssg]

windows has to use bash console.
e.g git bash or cygwin