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Fix the incorrect Jest watch command in Contributing
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gaearon committed Dec 21, 2015
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Expand Up @@ -22,9 +22,9 @@ This command is just a facade to [Jest](https://facebook.github.io/jest/). You m

For example, `jest --watch` lets you automatically run the test suite on every file change.

You can also run a subset of tests by passing a prefix to `jest`. For example, `jest ReactDOMSVG` will only run tests in the files that start with `ReactDOMSVG`, such as `ReactDOMSVG-test.js`.
You can also run a subset of tests by passing a prefix to `jest`. For instance, `jest ReactDOMSVG` will only run tests in the files that start with `ReactDOMSVG`, such as `ReactDOMSVG-test.js`.

When you know which tests you want to run, you can achieve a fast feedback loop by using these two features together. For example, `jest --watch ReactDOMSVG` will re-run only the matching tests on every change.
When you know which tests you want to run, you can achieve a fast feedback loop by using these two features together. For example, `jest ReactDOMSVG --watch` will re-run only the matching tests on every change.

Just make sure to run the whole test suite before submitting a pull request!

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