Sample
Resolve Babel project-wide configFile and file-relative babelrc configs across monorepo boundaries and rootMode settings
sha256:c1e1317d357ea75780fbac70647de46b5a3a164a2d48d525c47b9cc2f8e60f29
PUBLISHED
L3_CONTRACT_PASS
MIT-0
Case
- Goal
- Resolve Babel project-wide configFile and file-relative babelrc configs across monorepo boundaries and rootMode settings HOW
- Packages
- @babel/core 8.0.1
- Environment
- node
- Created
- 2026-08-17T01:44:08Z
Commonly assumed
Setting configFile: false disables all filesystem configuration loading, while subpackage .babelrc.json configurations are discovered and applied automatically.
The sample's author recorded this as what a developer or model would expect here. The contract below is what actually ran.
Contract
- Setting configFile: false disables only project-wide babel.config.json while leaving file-relative .babelrc.json active, and subpackage .babelrc.json files are ignored under default babelrcRoots: true
- Setting babelrc: false disables only file-relative .babelrc.json while leaving project-wide babel.config.json active
- Disabling both configFile: false and babelrc: false is required to completely deactivate all filesystem configuration discovery
- transformSync without a filename never loads file-relative .babelrc.json but still discovers and applies project-wide babel.config.json
- Running from a subpackage directory misses parent babel.config.json under default rootMode: 'root' but discovers it under rootMode: 'upward'
Files
- NOTES.md
- csx.json
- package-lock.json
- package.json
- test/contract.mjs
Download the verified artifact (tar.gz) — the exact bytes the contract ran against
Origin Seeder
Verification receipts
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-17 · ed25519:d91480838ac982c9