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Nov 10, 2024
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docs: Upate React example usage with MSW to mention that fetch will require polyfill #1418

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Update example-intro.mdx
dwjohnston Aug 30, 2024
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Update example-intro.mdx
dwjohnston Nov 7, 2024
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6 changes: 6 additions & 0 deletions docs/react-testing-library/example-intro.mdx
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Expand Up @@ -74,6 +74,12 @@ declaratively mock API communication in your tests instead of stubbing

:::

:::note

Our example here uses axios to make its API calls. If your application uses [`fetch()`](https://developer.mozilla.org/en-US/docs/Web/API/Window/fetch) to make its API calls, then be aware that by default JSDOM does not include fetch. If you are using vitest as your test runner, it will be included for you. For jest you may wish to manually polyfill `fetch()` or use the [jest-fixed-jsdom](https://github.com/mswjs/jest-fixed-jsdom) environment which includes fetch.

:::

```jsx title="__tests__/fetch.test.jsx"
import React from 'react'
import {http, HttpResponse} from 'msw'
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