20 lines
848 B
Plaintext
20 lines
848 B
Plaintext
---
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description: 'Disallow unnecessary constructors.'
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---
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> 🛑 This file is source code, not the primary documentation location! 🛑
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>
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> See **https://typescript-eslint.io/rules/no-useless-constructor** for documentation.
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This rule extends the base [`eslint/no-useless-constructor`](https://eslint.org/docs/rules/no-useless-constructor) rule.
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It adds support for:
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- constructors marked as `protected` / `private` (i.e. marking a constructor as non-public),
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- `public` constructors when there is no superclass,
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- constructors with only parameter properties.
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### Caveat
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This lint rule will report on constructors whose sole purpose is to change visibility of a parent constructor.
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See [discussion on this rule's lack of type information](https://github.com/typescript-eslint/typescript-eslint/issues/3820#issuecomment-917821240) for context.
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