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## Packages
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### Adding new packages
To add a new package, run
```sh
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npm i packageName
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```
### Adding devDependency
```sh
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npm i packageName -D
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```
### Updating a package
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First, run
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```sh
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npm outdated
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```
... to determine which packages may need upgrading.
We _really_ should not upgrade all packages at once, but, one at a time and make darn sure
to test.
To upgrade a single package named `packageName` :
```sh
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npm upgrade packageName
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```
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## Testing
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Tests can be run via command line with `npm test` , from within the `/ui` directory. For more detailed reporting, use `yarn test -- --reporters=verbose` .