This was previously defined in uiExports.app, which limited plugins which are not an app of providing a stylesheet. This allows any plugin to define a stylesheet which will be available on page load.
I'd really like to upgrade to Typescript 3 for its `unknown` type, but we need to upgrade to `jest@23` to support a recent version of `ts-jest@23`.
The [jest changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md) breaks down the breaking changes in 23.x, but I found it to be slightly incomplete so I've broken down the changes that actually caused breaks for us here, and addressed each in individual commits to make review a little easier:
- the `testURL` config default was changed from `about:blank` to `http://localhost`
- this cause some XHR requests powered by JSdom to start failing. It seems these requests just do nothing in master but start to fail when JSdom is initialized with an actual URL... I think we would ideally stop sending meaningless XHR requests in the tests, but it was a lot easier to just set the config to `about:blank` for now, and we can worry about cleanup later if necessary
- `expect(...).toThrow()` only passes if an actual error was thrown.
- In two places in the index pattern code we were throwing strings, which broke the assertions. Fortunately/Unfortunately the errors are not being consumed by anything, so I was able to wrap them in `new Error()` without causing any issues.
- snapshots of mock functions now include a `results` array, detailing the return values of the function
- React fragments are now serialized as `<React.Fragment>` instead of `<UNDEFINED>`
- undefined props in React components are now stripped from snapshots
- minor changes to the ordering of mocks, imports resolution, and before hooks caused the uiSettings API tests to start breaking, but I'm replacing them with totally new tests in #22694 so I just deleted them here
- mocks created with `jest.spyOn()` that are restored now have their `mock.calls` reset, so some of the kbn-pm tests stated failing. This was fixed by restoring them with `jest.restoreAllMocks()` rather than trying to do it before the assertions
* bump eui
* Fixed breaking `EuiPage` changes
Mainly adding `EuiPageBody`’s where there were none
* bump to 3.0, remove duplicate declaration of EuiFlyoutBody, update jest snapshots
* bump eui
* bump to 3.0, remove duplicate declaration of EuiFlyoutBody, update jest snapshots
* Update jest snapshots in xpack
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Make relevant generated files use snakeCase instead of kebabCase
Closes#20524
* Add missing peer dependency and upgraded to new import resolver kibana
* Fixed template code to follow eslint rules
* Fix lint script to lint all files in the generated dir
* More precise slurp :p
In order to make the license that applies to each file as clear as possible, and to be consistent with elasticsearch, we are adding Apache 2.0 license headers to the top of each file.
Existence of this header is enforced by eslint and tslint and missing headers were automatically added in the last commit by running:
```
node scripts/eslint --fix && node scripts/tslint --fix
```
* moving plugin template to React and EUI
* fixing method reference error
* adding whitespace and comments per PR feedback
* adjusting test
* fixing test
* reducing Angular dependency and fixing issue with hack not loading properly
* fixing tests
* reacting to PR feedback
* [kbn-plugin-generator] add plugin generator to the repo
* [plugin-generator] use snake_case plugin name for directory name
* [plugin-generator] fix typo
* [plugin-generator] remove translation support until we resume i18n efforts
* [yarn] update lockfile
* [mocha] remove plugin-generator selector from mocha tests
* [plugin-generator] update generated readme to recommend yarn
* [plugin-generator] add readme to generator pacakge
* [plugin-generator] link from plugin-resource docs
* [plugin-generator] mention very important `kbn bootstrap` script
* [plugin-generator] rework some parts of the README
* [plugin-generator] log actual directory name with system separators
* [plugin-generator] include bootstrap/yarn preinstall check script
