How to use the lerna/lib/NpmUtilities.runScriptInDir function in lerna

return new Promise((resolve, reject) => {
        const callback = (err, stdout) => (err ? reject(err) : resolve(stdout))
        if (silent) {
          NpmUtilities.runScriptInDir(
            script,
            {args: [], directory: lernaPackage.location, npmClient: 'npm'},
            callback
          )
        } else {
          NpmUtilities.runScriptInPackageStreaming(
            script,
            {args: [], pkg: lernaPackage, npmClient: 'npm'},
            callback
          )
        }
      })
    } else {