3727b5355a
## Summary This PR adds [Storybook](https://storybook.js.org/) to our testing and development suite.  This will allow us to: 1. create a site outlining all components within Canvas, including their TS type information; 2. demonstrate usage of all components by example; 3. allow for individual component testing, both manually and by Jest; 4. iterate and fix bugs on individual components *without* having to start up Kibana, in a [HMR](https://webpack.js.org/concepts/hot-module-replacement/) environment; 5. automatically generate [snapshots](https://jestjs.io/docs/en/snapshot-testing) based on any examples written; This PR also converts a few components to Typescript and adds examples. ## How this can help us, (with examples) I was inspired to add this when I was fixing #25342. In order to fix my changes, I had to run elasticsearch and kibana, as well as refresh my page whenever I needed to test a change. Had I had a Storybook instance, I would have been done much faster. In this PR, you'll see I converted `AdvancedFilter` from `renderers` and `FontPicker` and `ImageUpload` from `public/components`. Would you believe I discovered and fixed bugs just by converting to Typescript and writing examples? ### `AdvancedFilter` - `onChange` and `commit` are not marked as required in `propTypes`, but the component will error out if they're not supplied. - `commit` was actually being called twice when 'Apply' was clicked. This was shown in the 'Actions' panel when I was testing it. ### `FontPicker` - The `fonts` collection was not strongly-typed, therefore any string could be passed to the `value` parameter without error. - While the code allows for any font string to be given to the component, there is no way to currently select that value, nor type it in within the control. This is likely a bug in design. - The `aria-labeledby` attribute in the drop down includes `undefined`. This is likely a bug in EUI:  ## How to use - `cd x-pack/plugins/canvas/` - Run `node scripts/storybook` to start up a local development version, with HMR. - Run `node scripts/storybook_build` to build a complete static version of the book. - Run `node scripts/jest` which will run the Storyshots test; run `node scripts/jest --updateSnapshot` if source code has changed as expected. ## Future Work - Adding Jest coverage and output to the info panels, ([this](https://www.npmjs.com/package/@storybook/addon-jest) is *sick* functionality). - Adding automatic [a11y testing](https://www.npmjs.com/package/@storybook/addon-a11y), (currently [blocked](https://github.com/storybooks/storybook/issues/4889)). - Adding generic knobs for stories - Adding more example info, (e.g. who edited last, descriptions, etc). |
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Kibana
Kibana is your window into the Elastic Stack. Specifically, it's a browser-based analytics and search dashboard for Elasticsearch.
- Getting Started
- Documentation
- Version Compatibility with Elasticsearch
- Questions? Problems? Suggestions?
Getting Started
If you just want to try Kibana out, check out the Elastic Stack Getting Started Page to give it a whirl.
If you're interested in diving a bit deeper and getting a taste of Kibana's capabilities, head over to the Kibana Getting Started Page.
Using a Kibana Release
If you want to use a Kibana release in production, give it a test run, or just play around:
- Download the latest version on the Kibana Download Page.
- Learn more about Kibana's features and capabilities on the Kibana Product Page.
- We also offer a hosted version of Kibana on our Cloud Service.
Building and Running Kibana, and/or Contributing Code
You might want to build Kibana locally to contribute some code, test out the latest features, or try out an open PR:
- CONTRIBUTING.md will help you get Kibana up and running.
- If you would like to contribute code, please follow our STYLEGUIDE.md.
- Learn more about our UI code with UI_SYSTEMS.md.
- For all other questions, check out the FAQ.md and wiki.
Documentation
Visit Elastic.co for the full Kibana documentation.
For information about building the documentation, see the README in elastic/docs.
Version Compatibility with Elasticsearch
Ideally, you should be running Elasticsearch and Kibana with matching version numbers. If your Elasticsearch has an older version number or a newer major number than Kibana, then Kibana will fail to run. If Elasticsearch has a newer minor or patch number than Kibana, then the Kibana Server will log a warning.
Note: The version numbers below are only examples, meant to illustrate the relationships between different types of version numbers.
| Situation | Example Kibana version | Example ES version | Outcome |
|---|---|---|---|
| Versions are the same. | 5.1.2 | 5.1.2 | 💚 OK |
| ES patch number is newer. | 5.1.2 | 5.1.5 | ⚠️ Logged warning |
| ES minor number is newer. | 5.1.2 | 5.5.0 | ⚠️ Logged warning |
| ES major number is newer. | 5.1.2 | 6.0.0 | 🚫 Fatal error |
| ES patch number is older. | 5.1.2 | 5.1.0 | ⚠️ Logged warning |
| ES minor number is older. | 5.1.2 | 5.0.0 | 🚫 Fatal error |
| ES major number is older. | 5.1.2 | 4.0.0 | 🚫 Fatal error |
Questions? Problems? Suggestions?
- If you've found a bug or want to request a feature, please create a GitHub Issue. Please check to make sure someone else hasn't already created an issue for the same topic.
- Need help using Kibana? Ask away on our Kibana Discuss Forum and a fellow community member or Elastic engineer will be glad to help you out.