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Explain how to clear the cache #4232

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Aug 9, 2017
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Explain how to clear the cache #4232

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2 changes: 2 additions & 0 deletions docs/en/CLI.md
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Expand Up @@ -84,6 +84,8 @@ Alias: `-b`. Exit the test suite immediately upon the first failing test suite.

Whether to use the cache. Defaults to true. Disable the cache using `--no-cache`. *Note: the cache should only be disabled if you are experiencing caching related problems. On average, disabling the cache makes Jest at least two times slower.*

If you want to inspect or clear the cache, use `--showConfig` and look at the `cacheDirectory` value.

### `--ci`

When this option is provided, Jest will assume it is running in a CI environment. This changes the behavior when a new snapshot is encountered. Instead of the regular behavior of storing a new snapshot automatically, it will fail the test and require Jest to be run with `--updateSnapshot`.
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