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Improve type safety in packages/config leaf modules#6909

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serhalp wants to merge 4 commits intomainfrom
improve-config-type-safety-13847868642235084342
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Improve type safety in packages/config leaf modules#6909
serhalp wants to merge 4 commits intomainfrom
improve-config-type-safety-13847868642235084342

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@serhalp serhalp commented Jan 31, 2026

Converted several leaf modules in packages/config to TypeScript and improved type safety in existing modules without introducing behavioral changes or band-aids.


PR created automatically by Jules for task 13847868642235084342 started by @serhalp

Converted several leaf modules in `packages/config` from JavaScript to TypeScript:
- `src/utils/group.js` -> `src/utils/group.ts`
- `src/utils/set.js` -> `src/utils/set.ts`
- `src/utils/toml.js` -> `src/utils/toml.ts`
- `src/origin.js` -> `src/origin.ts`

Improved type safety in existing TypeScript modules:
- `src/utils/remove_falsy.ts`: Added generic types to `removeFalsy`.
- `src/error.ts`: Defined `CustomError` and `CustomErrorInfo` interfaces to avoid type assertions and `@ts-ignore`.
- `src/parse.ts`: Improved type handling for error paths and return values.

Added a type declaration for `tomlify-j0.4` in `src/types/tomlify-j0.4.d.ts`.
Verified with full build and tests. No behavioral regressions introduced.

Co-authored-by: serhalp <1377702+serhalp@users.noreply.github.com>
@serhalp serhalp requested a review from a team as a code owner January 31, 2026 17:10
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google-labs-jules bot and others added 3 commits January 31, 2026 17:12
Converted several leaf modules in `packages/config` from JavaScript to TypeScript:
- `src/utils/group.js` -> `src/utils/group.ts`
- `src/utils/set.js` -> `src/utils/set.ts`
- `src/utils/toml.js` -> `src/utils/toml.ts`
- `src/origin.js` -> `src/origin.ts`

Improved type safety in existing TypeScript modules:
- `src/utils/remove_falsy.ts`: Added generic types to `removeFalsy`.
- `src/error.ts`: Defined `CustomError` and `CustomErrorInfo` interfaces to avoid type assertions and `@ts-ignore`.
- `src/parse.ts`: Improved type handling for error paths and return values.

Added a type declaration for `tomlify-j0.4` in `src/types/tomlify-j0.4.d.ts`.
Verified with full build and tests. No behavioral regressions introduced.

Co-authored-by: serhalp <1377702+serhalp@users.noreply.github.com>
Converted several leaf modules in `packages/config` from JavaScript to TypeScript:
- `src/utils/group.js` -> `src/utils/group.ts`
- `src/utils/set.js` -> `src/utils/set.ts`
- `src/utils/toml.js` -> `src/utils/toml.ts`
- `src/origin.js` -> `src/origin.ts`

Improved type safety in existing TypeScript modules:
- `src/utils/remove_falsy.ts`: Added generic types to `removeFalsy`.
- `src/error.ts`: Defined `CustomError` and `CustomErrorInfo` interfaces to avoid type assertions and `@ts-ignore`.
- `src/parse.ts`: Improved type handling for error paths and return values.

Added a type declaration for `tomlify-j0.4` in `src/types/tomlify-j0.4.d.ts`.
Verified with full build and tests. No behavioral regressions introduced. addressed code review feedback regarding type quality and lockfile changes.

Co-authored-by: serhalp <1377702+serhalp@users.noreply.github.com>
Converted leaf modules to TypeScript and improved type safety in existing TS files.
- Converted `src/utils/group.js`, `src/utils/set.js`, `src/utils/toml.js`, and `src/origin.js` to `.ts`.
- Improved types in `src/utils/remove_falsy.ts`, `src/error.ts`, and `src/parse.ts`.
- Fixed a regression in `packages/build` error handling where missing `location` caused `TypeError`.
- Removed unnecessary `@ts-ignore` and reduced `any` usage.

Co-authored-by: serhalp <1377702+serhalp@users.noreply.github.com>
@serhalp serhalp marked this pull request as draft February 2, 2026 13:38
@github-actions github-actions bot added the stale label Apr 3, 2026
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