Module build failed

Is this a bug report?

Yes

Can you also reproduce the problem with npm 4.x?

npm version is 5.3.0

Which terms did you search for in User Guide?

N/A

Environment

1. node -v: 8.0.0
2. npm -v: 5.3.0
3. yarn --version (if you use Yarn): N/A
4. npm ls react-scripts (if you haven’t ejected): react-scripts@1.0.10

Then, specify:

1. Operating system: OS X El Capitan
2. Browser and version (if relevant): Chrome - 59.0.3071.115 - 64-bit

Steps to Reproduce

(Write your steps here:)

1. simply just ran the install instructions
2. sudo npm start
3. opened http://localhost:3000/ and got error message

Expected Behavior

Thought I’d see some kind of working page or some kind of successful message in the browser and in terminal.

Actual Behavior

1. simply just ran the install instructions
2. sudo npm start
3. opened http://localhost:3000/ and got error message

Reproducible Demo

(Paste the link to an example project and exact instructions to reproduce the issue.)

[e-g-b]

Sure

[Timer]

Closing as npm@5.4.1 is pretty stable.