[compiler] Check for __DEV__ for FastRefresh

[poteto]

Stack from ghstack (oldest at bottom):

• -> [compiler] Check for __DEV__ for FastRefresh #29785

We don't always have the NODE_ENV set, so additionally check for the
DEV global if it has one set.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
react-compiler-playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 6, 2024 5:45pm

[react-sizebot]

Comparing: 1e1e5cd...68caacf

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.js	=	6.66 kB	6.66 kB	+0.05%	1.82 kB	1.82 kB
oss-stable/react-dom/cjs/react-dom-client.production.js	=	497.26 kB	497.26 kB	=	89.11 kB	89.11 kB
oss-experimental/react-dom/cjs/react-dom.production.js	=	6.67 kB	6.67 kB	+0.05%	1.83 kB	1.83 kB
oss-experimental/react-dom/cjs/react-dom-client.production.js	=	502.08 kB	502.08 kB	=	89.80 kB	89.80 kB
facebook-www/ReactDOM-prod.classic.js	=	594.56 kB	594.56 kB	=	104.72 kB	104.72 kB
facebook-www/ReactDOM-prod.modern.js	=	570.95 kB	570.95 kB	=	101.13 kB	101.13 kB
test_utils/ReactAllWarnings.js	Deleted	63.89 kB	0.00 kB	Deleted	15.97 kB	0.00 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
test_utils/ReactAllWarnings.js	Deleted	63.89 kB	0.00 kB	Deleted	15.97 kB	0.00 kB

Generated by 🚫 dangerJS against 68caacf

[josephsavona]

nice