Describe the bug
When I upgraded my environment to nodejs 11.7.0 deasync 0.1.13 install sent me a error when I tried to build Gutenberg.

To Reproduce

1. Upgrade to nodejs 11.7.0
2. Go to Gutenberg project folder in a terminal
3. Type npm install command
4. See error

Expected behavior
As deasync is needed for building Gutenberg project, I updated deasync version to its lastest one in package.json and everything is ok.

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• nodejs 11.7.0 managed with chocolatey 0.10.11