@storybook/jest
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Comparing version 0.2.2--canary.42.6010269672.0 to 0.2.2--canary.42.6016394706.0
{ | ||
"name": "@storybook/jest", | ||
"version": "0.2.2--canary.42.6010269672.0", | ||
"version": "0.2.2--canary.42.6016394706.0", | ||
"description": "Instrumented version of Jest for Storybook Interactions", | ||
@@ -5,0 +5,0 @@ "repository": { |
@@ -5,44 +5,2 @@ # Storybook Jest | ||
## FAQ | ||
### Typescript does not recognize expect().toBeInTheDocument() | ||
This is likely an issue with newer package managers. | ||
The `@storybook/jest` package provides some type augmentations so that `expect` has extended matchers coming from Testing Library. The way it works, is that `@storybook/jest` depends on `@testing-library/jest-dom`, a package that depends on `@types/testing-library__jest-dom`. That @types package should be hoisted in your project in order for your types to fully work. As a result, you should have a `node_modules/@types/testing-library__jest-dom` directory. If you don't, then the types won't exist and that's why you're having issues. | ||
For instance, if you have a yarn project, hoisting happens automatically. However if you're using **pnpm**, `@types` are not hoisted automatically, you will have to add a `.npmrc` file with the following setting: | ||
```js | ||
// .npmrc | ||
public-hoist-pattern[]=@types* | ||
``` | ||
Otherwise, installing `@types/testing-library__jest-dom` as a direct dependency should have the same effect and fix your issue. | ||
If you are still experiencing issues after making these changes, it's very likely that your `tsconfig.json` file contains specific type overrides, which means that it will ignore automatic types, for instance: | ||
```json | ||
{ | ||
"compilerOptions": { | ||
"types": [ | ||
"node", | ||
"mocha", | ||
] | ||
} | ||
} | ||
``` | ||
In that case, make sure to add `testing-library__jest-dom` to the `types` array: | ||
```json | ||
{ | ||
"compilerOptions": { | ||
"types": [ | ||
"node", | ||
"mocha", | ||
"testing-library__jest-dom" | ||
] | ||
} | ||
} | ||
``` | ||
[jest-dom](https://github.com/testing-library/jest-dom) matchers are automatically included as well. |
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