docs(custom_matchers): clarify match interfaces difference #9
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oiagorodrigues
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kettanaito
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| - `Assertion<T>`, which controls the matchers returned by calling `expect()`; | ||
| - `MatchersDeclaration`, which annotates the matcher declarations passed to `expect.extend()`. | ||
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| <callout-info>Since Vitest 3.2, you can extend the `Matchers` interface to have type-safe assertions in `expect.extend`, `expect().*` and `expect.*` methods at the same time.</callout-info> |
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The exercise text was written before Vitest 3.2 was released. Let's update the text to reflect the proper way of extending the matchers.
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Makes sense. It would require multiple changes, as other exercises are still referencing the old vitest version.
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I will go through the remaining mentions of this pattern throughout the workshop and fix them!
kettanaito
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Thanks for pointing this out and helping me fix the issue, @oiagorodrigues! 🚀
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Update the custom matchers augmentation with the new Vitest interface 3.2 called
Matchersthat adds type inference and runtime logic for the custom matchers. Previously, we needed to extend theAssertionandMatchersDeclaration(orAsymmetricMatchersContaining).