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fix(eslint-plugin): fix TypeScript 6.0 type errors in no-mixed-plugin-imports

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TypeScript 6.0 no longer applies bivariant checking to method-shorthand
functions that don't reference `this`. This causes the `fix` callbacks in
suggestion descriptors to fail type checking when they return `void`
instead of a valid `Fix | null` value.

- Return `null` from non-fixable suggestion `fix` handlers
- Add explicit `SuggestionReportDescriptor[]` type annotation to `suggest`
- Remove redundant `@param` JSDoc annotations now covered by the array type

Signed-off-by: Jon Koops <jonkoops@gmail.com>
This commit is contained in:
Jon Koops
2026-03-26 12:31:11 +01:00
parent 7b77d918ca
commit df43b0e149
2 changed files with 11 additions and 9 deletions
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.changeset/ts6-eslint-plugin.md
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'@backstage/eslint-plugin': patch
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Fixed `no-mixed-plugin-imports` rule to return `null` from non-fixable suggestion handlers and added an explicit `SuggestionReportDescriptor[]` type annotation, matching the stricter type checking in TypeScript 6.0.