vercel/ncc

Build fails with `composite: true` in `tsconfig.json`

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#1,212 opened on Sep 10, 2024

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Description

I'm not sure if this is as designed or a bug. Any help is appreciated!

I have a npm workspace that uses TypeScript. All the packages have composite: true so they can be consumed by other packages using TypeScript references. When I try to use ncc to build one of the packages. the building fails. It succeeds if I set composite to false.

See the reproduction example in https://github.com/chubei-urus/ncc-demo.

Contributor guide

Research direction
Investigate how ncc handles TypeScript project references and the `composite` option in tsconfig.json. Look at the build process to find where the failure occurs when `composite: true` is set.
Tech stack
typescriptjavascriptnodejs
Domain
build system
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
TypeScriptnpm workspaces
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65