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chore: update ct how-to (#13981)

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docs/src/test-components-js.md
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@ -28,7 +28,7 @@ test('event should work', async ({ mount }) => {
// Assert that respective events have been fired.
expect(clicked).toBeTruthy();
})
});
```
## How to get started
@ -38,13 +38,17 @@ Adding Playwright Test to an existing React, Vue or Svelte project is easy. Belo
### Step 1: Install Playwright Test for components for your respective framework
```sh
npm i @playwright/test
npm i @playwright/experimental-ct-react
# npm i @playwright/experimental-ct-vue
# npm i @playwright/experimental-ct-svelte
npm init playwright@latest --ct
```
### Step 2: create `playwright/index.html`
This step creates several files in your workspace:
#### `playwright/index.html`
This file defines an html file that will be used to render components during testing.
It must contain element with `id="root"`, that's where components are mounted. It must
also link the script called `playwright/index.[tj]s`.
```html
<html lang="en">
<body>
@ -54,12 +58,20 @@ npm i @playwright/experimental-ct-react
</html>
```
### Step 3: create `playwright/index.ts`
#### `playwright/index.ts`
You can include stylesheets, apply theme and inject code into the page where
component is mounted using this script. It can be either `.js` or `.ts` file.
```js
// Apply theme here, add anything your component needs at runtime here.
```
### Create a test `src/App.spec.tsx`
#### `playwright/types.d.ts`
This file makes sure `mount` fixture is typed in your tests.
### Step 2. Create a test file `src/App.spec.tsx`
```js
import { test, expect } from '@playwright/test';
@ -73,7 +85,7 @@ test('should work', async ({ mount }) => {
});
```
### Run the tests
### Step 3. Run the tests
```sh
npx playwright test