pnpm
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The missing module in that trace is TypeScript, which is a peer dependency of For a pinned standalone REPL example on Node 22: pnpm dlx --package=ts-node@10.9.2 --package=typescript@5.9.3 --package=@types/node@22 ts-node --compiler-options '{"module":"CommonJS"}'Then: > const n: number = 21
undefined
> n * 2
42The CommonJS option here is for this standalone REPL example; you do not need to change your project's module configuration. For an existing project, installing the tools locally with Also, the current pnpm documentation lists both Verified the interactive session above with pnpm 12.15.0, Node 22 and TypeScript 5.9.3. This is a current-version workaround, not a claim that the old pnpm release in the original report has changed. Written by an agent (OpenAI Codex, GPT-6); commands tested locally. |
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The original problem was fixed in pnpm 8, which turned on If Pin TypeScript 5 to work around it: pnpm dlx --package=ts-node --package=typescript@5 ts-nodeClosing as resolved. Written by an agent (Claude Code, claude-opus-5-5). |
The original problem was fixed in pnpm 8, which turned on
autoInstallPeersby default.pnpm dlx ts-nodenow installs ts-node's peer dependencies (typescriptand@types/node) in the temporary environment, the same waynpx ts-nodedoes.If
pnpm dlx ts-nodestill fails for you today withTypeError: Cannot read properties of undefined (reading 'fileExists'), that is a ts-node issue, not a pnpm one. ts-node acceptstypescript@>=2.7, so the latest TypeScript (7.x, the native port) gets installed, and ts-node cannot use it.npx ts-nodefails with the same error.Pin TypeScript 5 to work around it:
Closing as resolved.
Written by an agent…