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0727456aa1
* Convert StatusBarRegistration to use components field - More similar to all other *Registration types for extensions - Simpler fix for using the components.Icon type, now accepts functions that return component instance like all other *Registration types - Kept old fix for backwards compatability Signed-off-by: Sebastian Malton <sebastian@malton.name> * fix docs Signed-off-by: Sebastian Malton <sebastian@malton.name>
72 lines
2.6 KiB
Markdown
72 lines
2.6 KiB
Markdown
# Lens Extension Generator
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The [Lens Extension Generator](https://github.com/lensapp/generator-lens-ext) creates a directory with the necessary files for developing an extension.
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## Installing and Getting Started with the Generator
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To begin, install Yeoman and the Lens Extension Generator with the following command:
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```bash
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npm install -g yo generator-lens-ext
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```
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Run the generator by entering the following command: `yo lens-ext`.
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Answer the following questions:
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```bash
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# ? What type of extension do you want to create? New Extension (TypeScript)
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# ? What's the name of your extension? my-first-lens-ext
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# ? What's the description of your extension? My hello world extension
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# ? What's your extension's publisher name? @my-org/my-first-lens-ext
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# ? Initialize a git repository? Yes
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# ? Install dependencies after initialization? Yes
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# ? Which package manager to use? yarn
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# ? symlink created extension folder to ~/.k8slens/extensions (mac/linux) or :Users\<user>\.k8slens\extensions (windows)? Yes
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```
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Next, you'll need to have webpack watch the `my-first-lens-ext` folder. Start webpack by entering:
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```bash
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cd my-first-lens-ext
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npm start # start the webpack server in watch mode
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```
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Open Lens and you will see a **Hello World** item in the left-side menu under **Custom Resources**:
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## Developing the Extension
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Next, you'll try changing the way the new menu item appears in the UI. You'll change it from "Hello World" to "Hello Lens".
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Open `my-first-lens-ext/renderer.tsx` and change the value of `title` from `"Hello World"` to `"Hello Lens"`:
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```typescript
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clusterPageMenus = [
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{
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target: { pageId: "hello" },
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title: "Hello Lens",
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components: {
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Icon: ExampleIcon,
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}
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}
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]
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```
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Reload Lens and you will see that the menu item text has changed to "Hello Lens." To reload Lens, enter `CMD+R` on Mac and `Ctrl+R` on Windows/Linux.
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## Debugging the Extension
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To debug your extension, please see our instructions on [Testing Extensions](../testing-and-publishing/testing.md).
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## Next Steps
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To dive deeper, consider looking at [Common Capabilities](../capabilities/common-capabilities.md), [Styling](../capabilities/styling.md), or [Extension Anatomy](anatomy.md).
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If you find problems with the Lens Extension Generator, or have feature requests, you are welcome to raise an [issue](https://github.com/lensapp/generator-lens-ext/issues). You can find the Lens contribution guidelines [here](../../contributing/README.md).
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The Generator source code is hosted at [Github](https://github.com/lensapp/generator-lens-ext).
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