minimal reproduction

• https://github.com/edison1105/rolldownToESM/tree/edison/__exportbug

steps to reproduce

• cd pkgs
• npm install
• npm run build
• cd ..
• node test.js

expected behavior

• should log [Function: bar]

actual behavior

• throws SyntaxError: Named export 'bar' not found.

how to fix

• open pkgs/packages/foo/dist/foo.js
• change __export to __export1 or any other name
• run node test.js again
• should log [Function: bar]

env

• node version v22.14.0

additional info

__export has special handling in cjs-module-lexer:
https://github.com/nodejs/cjs-module-lexer/blob/1910c8a095b741be468e4098b1490c906e6412cf/lexer.js#L122
https://github.com/nodejs/cjs-module-lexer/blob/1910c8a095b741be468e4098b1490c906e6412cf/lexer.js#L134

• run node scripts/lexer-repro.cjs
• should log OK but actually throws