'[' is not recognized as an internal or external command,
operable program or batch file.

npm install

> cyberchef@8.7.0 postinstall C:\CyberChef
> [ -f node_modules/crypto-api/src/crypto-api.mjs ] || npx j2m node_modules/crypto-api/src/crypto-api.js

'[' is not recognized as an internal or external command,
operable program or batch file.
Failed to parse: C:\CyberChef\node_modules\crypto-api\src\crypto-api.js
{ Error: ENOENT: no such file or directory, open 'C:\CyberChef\node_modules\crypto-api\src\crypto-api.js'
    at Object.openSync (fs.js:436:3)
    at readFileSync (fs.js:341:35)
    at parseImports (C:\CyberChef\node_modules\js-to-mjs\src\find.js:36:16)
    at main (C:\CyberChef\node_modules\js-to-mjs\index.js:18:25)
    at Object.<anonymous> (C:\CyberChef\node_modules\js-to-mjs\index.js:61:1)
    at Module._compile (internal/modules/cjs/loader.js:689:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
    at Module.load (internal/modules/cjs/loader.js:599:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
  errno: -4058,
  syscall: 'open',
  code: 'ENOENT',
  path:
   'C:\CyberChef\\node_modules\\crypto-api\\src\\crypto-api.js' }
ENOENT: no such file or directory, rename 'C:\CyberChef\node_modules\crypto-api\src\crypto-api.js' -> 'C:\CyberChef\node_modules\crypto-api\src\crypto-api.mjs'
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! cyberchef@8.7.0 postinstall: `[ -f node_modules/crypto-api/src/crypto-api.mjs ] || npx j2m node_modules/crypto-api/src/crypto-api.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the cyberchef@8.7.0 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\me\AppData\Roaming\npm-cache\_logs\2018-10-04T20_58_38_712Z-debug.log