github/core package fails build because of exports map
#1 311 ouverte le 15 mars 2026
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Description
The @github/core package has the following exports:
"exports": {
".": {
"types": "./lib/core.d.ts",
"import": "./lib/core.js"
}
}
In a project which has type: "module", and simply import * as core from '@github/core', we get the following error:
ncc: Version 0.38.4 ncc: Compiling file index.js into ESM ncc: Using typescript@5.9.3 (local user-provided) Error: Module not found: Error: Package path . is not exported from package /code/node_modules/@actions/core (see exports field in /code/node_modules/@actions/core/package.json) Did you mean './@actions/core'?
im guessing this is because whatever throws this error is looking for a default export rather than import. or it is mistakenly looking up the non-existent CJS entrypoint.
im not sure what dependency of ncc throws this error so i haven't managed to debug it myself.