this issue has been resolved in the latest version of @typespec/http-client-js.

typespec-bug

pnpm install

pnpm build

look at tsp-output/@typespec/http-client-js/src/models/models.ts

Name		Name	Last commit message	Last commit date
Latest commit History 3 Commits
.gitignore		.gitignore
README.md		README.md
main.tsp		main.tsp
package.json		package.json
pnpm-lock.yaml		pnpm-lock.yaml
tspconfig.yaml		tspconfig.yaml