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Adds support for loading TypeScript plugins via
tsimp
.Due to the fact that Node.js versions older than v20 are no longer supported in Fastify v5, I chose not to implement support for the alternate loader script (i.e. --loader=tsimp/loader) that
tsimp
provides.Caution
tsimp
currently has an open issue and corresponding PR to fix a bug limiting TypeScript support to version 5.5 or earlier (the latest version of TypeScript is v5.6.2). I'm happy to wait on this PR until thetsimp
bug is fixed, at which point I will update the TypeScript andtsimp
versions.Checklist
npm run test
andnpm run benchmark
and the Code of conduct