Minimal repro of "Reason: Unexpected identifier 'Promise'" bug

Using knip on a Sveltekit project throws the following error message:

Error loading /Users/user/knip-test/vite.config.ts
Reason: Unexpected identifier 'Promise'
 ELIFECYCLE  Command failed with exit code 2.

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
src		src
.eslintignore		.eslintignore
.eslintrc.cjs		.eslintrc.cjs
.gitignore		.gitignore
.npmrc		.npmrc
README.md		README.md
package.json		package.json
pnpm-lock.yaml		pnpm-lock.yaml
svelte.config.js		svelte.config.js
tsconfig.json		tsconfig.json
vite.config.ts		vite.config.ts

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