Не удалось по адресу node-sass@4.10.0 postinstall сценарий.
rm -rf package-lock.json node_modules
npm cache clean --force
npm i --unsafe-perm node-sass
Dark Donkey
rm -rf package-lock.json node_modules
npm cache clean --force
npm i --unsafe-perm node-sasssudo npm install node-sass --save-dev --unsafe-perm=trueupgrade node-sass to 4.14.1