it's a bit anecdotal but React /JSX is still more common than TypeScript (if for no other reason than time on this earth). and both are dwarfed by ES5/6
Re:JavaScript: The Modern Parts
by IggleSniggle on Saturday August 24, 2019 @02:15PM
(#20788725)
We are writing our React components in TypeScript, so Iām not sure what React/JSX have to do with TypeScript adoption?
To be clear there are a gazillion Js projects that don't use react.