gatsby-plugin-react-helmet
v4.5.0-next.0 gatsby gatsby-plugin favicon react-helmet seo document head title meta and 6 more...
build
babel src --out-dir . --ignore "**/__tests__",**/__mocks__
prepare
cross-env NODE_ENV=production npm run build
watch
babel -w src --out-dir . --ignore "**/__tests__",**/__mocks__