Microsoft/TypeScript

is not under 'rootDir' 'src/'. even with exclude

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#30,162 opened on Mar 1, 2019

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Description

exclude compiler option is not working at all! I'm specifying exclude to the folder gen (and even ./gen) and still receiving the error below.

TypeScript Version: 3.3.3333

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Code

// A *self-contained* demonstration of the problem follows...
// Test this by running `tsc` on the command-line, rather than through another build tool such as Gulp, Webpack, etc.

Expected behavior: No errors.

Actual behavior:

error TS6059: File '.../ts-lang/gen/grammar/MyLangLexer.ts' is not under 'rootDir' 'src/'. 'rootDir' is expected to contain all source files.

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Contributor guide

Tech stack
typescript
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.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
TypeScript compiler optionsrootDir and exclude configurationbasic TypeScript project setup
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20
Research direction
Investigate the exclude compiler option behavior in the TypeScript compiler. Review the error message and the user's configuration (though not provided). Check the compiler source code, particularly `src/compiler/program.ts`, for how `exclude` interacts with `rootDir`. Search for existing issues or PRs that address similar problems, as this might be a duplicate. Consider the possibility that the issue is due to incorrect glob patterns or relative paths in `tsconfig.json`.