This article describes how to install Node 8.10 on macOS

Node

From Node

downloaded node-v8.10.0.pkg and installed in the usual way.

Upgrade App

rm ./package-lock.json
rm -r ./node_modules
npm cache clear --force

and then

npm i
npm start

which works fine.

Problems Found

npm start

yields

ERROR in ./src/scss/index.scss
Module build failed: ModuleBuildError: Module build failed: Error: Missing binding /Users/jv/Desktop/MyDevelopment/github/repo-material-ui/node_modules/node-sass/vendor/darwin-x64-57/binding.node
Node Sass could not find a binding for your current environment: OS X 64-bit with Node.js 8.x

Found bindings for the following environments:
  - OS X 64-bit with Node.js 6.x

This usually happens because your environment has changed since running `npm install`.

Tried

rm -rf node_modules
npm i

which yielded

registry Unexpected warning for https://registry.npmjs.org/: Miscellaneous Warning EINTEGRITY: