node 10.5.0 で npm run dev がエラーになる

[volpe28v]

4.4.0 では問題なし。

エラーのログ

▶npm run dev

> [email protected] dev /Users/kodama/programming/node/DevHub
> parallelshell "webpack --progress --colors --watch" "grunt" "node-dev app.js -t Development"

child_process.js:420
    throw new ERR_INVALID_ARG_TYPE('options.cwd', 'string', options.cwd);
    ^

TypeError [ERR_INVALID_ARG_TYPE]: The "options.cwd" property must be of type string. Received type function
    at normalizeSpawnArguments (child_process.js:420:11)
    at spawn (child_process.js:522:38)
    at /Users/kodama/programming/node/DevHub/node_modules/parallelshell/index.js:104:17
    at Array.forEach (<anonymous>)
    at Object.<anonymous> (/Users/kodama/programming/node/DevHub/node_modules/parallelshell/index.js:100:6)
    at Module._compile (internal/modules/cjs/loader.js:702:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:713:10)
    at Module.load (internal/modules/cjs/loader.js:612:32)

この辺が参考になりそう https://github.com/darkguy2008/parallelshell/issues/67