fix(emulate media): document "no-preference" as deprecated (#32881)

Closes https://github.com/microsoft/playwright/issues/32862.

`prefers-color-scheme: no-preference` was removed from browsers. This PR
marks it as deprecated in our docs and removes all mentions.

---------

Signed-off-by: Simon Knott <info@simonknott.de>
Co-authored-by: Dmitry Gozman <dgozman@gmail.com>
This commit is contained in:
Simon Knott 2024-10-04 16:49:32 +02:00 коммит произвёл GitHub
Родитель 80ff7c396a
Коммит 40670e6ffd
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Идентификатор ключа GPG: B5690EEEBB952194
6 изменённых файлов: 23 добавлений и 27 удалений

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@ -1217,8 +1217,6 @@ await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches);
// → true
await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches);
// → false
await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches);
// → false
```
```java
@ -1227,8 +1225,6 @@ page.evaluate("() => matchMedia('(prefers-color-scheme: dark)').matches");
// → true
page.evaluate("() => matchMedia('(prefers-color-scheme: light)').matches");
// → false
page.evaluate("() => matchMedia('(prefers-color-scheme: no-preference)').matches");
// → false
```
```python async
@ -1237,8 +1233,6 @@ await page.evaluate("matchMedia('(prefers-color-scheme: dark)').matches")
# → True
await page.evaluate("matchMedia('(prefers-color-scheme: light)').matches")
# → False
await page.evaluate("matchMedia('(prefers-color-scheme: no-preference)').matches")
# → False
```
```python sync
@ -1247,7 +1241,6 @@ page.evaluate("matchMedia('(prefers-color-scheme: dark)').matches")
# → True
page.evaluate("matchMedia('(prefers-color-scheme: light)').matches")
# → False
page.evaluate("matchMedia('(prefers-color-scheme: no-preference)').matches")
```
```csharp
@ -1256,8 +1249,6 @@ await page.EvaluateAsync("matchMedia('(prefers-color-scheme: dark)').matches");
// → true
await page.EvaluateAsync("matchMedia('(prefers-color-scheme: light)').matches");
// → false
await page.EvaluateAsync("matchMedia('(prefers-color-scheme: no-preference)').matches");
// → false
```
### option: Page.emulateMedia.media
@ -1281,16 +1272,16 @@ Passing `'Null'` disables CSS media emulation.
* langs: js, java
- `colorScheme` <null|[ColorScheme]<"light"|"dark"|"no-preference">>
Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. Passing
`null` disables color scheme emulation.
Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme) media feature, supported values are `'light'` and `'dark'`. Passing
`null` disables color scheme emulation. `'no-preference'` is deprecated.
### option: Page.emulateMedia.colorScheme
* since: v1.9
* langs: csharp, python
- `colorScheme` <[ColorScheme]<"light"|"dark"|"no-preference"|"null">>
Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. Passing
`'Null'` disables color scheme emulation.
Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme) media feature, supported values are `'light'` and `'dark'`. Passing
`'Null'` disables color scheme emulation. `'no-preference'` is deprecated.
### option: Page.emulateMedia.reducedMotion
* since: v1.12

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@ -639,14 +639,14 @@ If no origin is specified, the username and password are sent to any servers upo
* langs: js, java
- `colorScheme` <null|[ColorScheme]<"light"|"dark"|"no-preference">>
Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme) media feature, supported values are `'light'` and `'dark'`. See
[`method: Page.emulateMedia`] for more details. Passing `null` resets emulation to system defaults. Defaults to `'light'`.
## context-option-colorscheme-csharp-python
* langs: csharp, python
- `colorScheme` <[ColorScheme]<"light"|"dark"|"no-preference"|"null">>
Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme) media feature, supported values are `'light'` and `'dark'`. See
[`method: Page.emulateMedia`] for more details. Passing `'null'` resets emulation to system defaults. Defaults to `'light'`.
## context-option-reducedMotion

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@ -558,7 +558,7 @@ await context.SetGeolocationAsync(new Geolocation() { Longitude = 48.858455, Lat
**Note** you can only change geolocation for all pages in the context.
## Color Scheme and Media
Emulate the users `"colorScheme"`. Supported values are 'light', 'dark', 'no-preference'. You can also emulate the media type with [`method: Page.emulateMedia`].
Emulate the users `"colorScheme"`. Supported values are 'light' and 'dark'. You can also emulate the media type with [`method: Page.emulateMedia`].
```js title="playwright.config.ts"
import { defineConfig } from '@playwright/test';

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@ -64,7 +64,7 @@ export default defineConfig({
| Option | Description |
| :- | :- |
| [`property: TestOptions.colorScheme`] | [Emulates](./emulation.md#color-scheme-and-media) `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'` |
| [`property: TestOptions.colorScheme`] | [Emulates](./emulation.md#color-scheme-and-media) `'prefers-colors-scheme'` media feature, supported values are `'light'` and `'dark'` |
| [`property: TestOptions.geolocation`] | Context [geolocation](./emulation.md#geolocation). |
| [`property: TestOptions.locale`] | [Emulates](./emulation.md#locale--timezone) the user locale, for example `en-GB`, `de-DE`, etc. |
| [`property: TestOptions.permissions`] | A list of [permissions](./emulation.md#permissions) to grant to all pages in the context. |

22
packages/playwright-core/types/types.d.ts поставляемый
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@ -2553,16 +2553,15 @@ export interface Page {
* // → true
* await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches);
* // → false
* await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches);
* // → false
* ```
*
* @param options
*/
emulateMedia(options?: {
/**
* Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`.
* Passing `null` disables color scheme emulation.
* Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme)
* media feature, supported values are `'light'` and `'dark'`. Passing `null` disables color scheme emulation.
* `'no-preference'` is deprecated.
*/
colorScheme?: null|"light"|"dark"|"no-preference";
@ -9761,7 +9760,8 @@ export interface Browser {
}>;
/**
* Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
* Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme)
* media feature, supported values are `'light'` and `'dark'`. See
* [page.emulateMedia([options])](https://playwright.dev/docs/api/class-page#page-emulate-media) for more details.
* Passing `null` resets emulation to system defaults. Defaults to `'light'`.
*/
@ -14726,7 +14726,8 @@ export interface BrowserType<Unused = {}> {
}>;
/**
* Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
* Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme)
* media feature, supported values are `'light'` and `'dark'`. See
* [page.emulateMedia([options])](https://playwright.dev/docs/api/class-page#page-emulate-media) for more details.
* Passing `null` resets emulation to system defaults. Defaults to `'light'`.
*/
@ -16522,7 +16523,8 @@ export interface AndroidDevice {
bypassCSP?: boolean;
/**
* Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
* Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme)
* media feature, supported values are `'light'` and `'dark'`. See
* [page.emulateMedia([options])](https://playwright.dev/docs/api/class-page#page-emulate-media) for more details.
* Passing `null` resets emulation to system defaults. Defaults to `'light'`.
*/
@ -18998,7 +19000,8 @@ export interface Electron {
bypassCSP?: boolean;
/**
* Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
* Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme)
* media feature, supported values are `'light'` and `'dark'`. See
* [page.emulateMedia([options])](https://playwright.dev/docs/api/class-page#page-emulate-media) for more details.
* Passing `null` resets emulation to system defaults. Defaults to `'light'`.
*/
@ -21820,7 +21823,8 @@ export interface BrowserContextOptions {
}>;
/**
* Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
* Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme)
* media feature, supported values are `'light'` and `'dark'`. See
* [page.emulateMedia([options])](https://playwright.dev/docs/api/class-page#page-emulate-media) for more details.
* Passing `null` resets emulation to system defaults. Defaults to `'light'`.
*/

3
packages/playwright/types/test.d.ts поставляемый
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@ -5225,7 +5225,8 @@ export interface PlaywrightTestOptions {
*/
bypassCSP: boolean;
/**
* Emulates `'prefers-colors-scheme'` media feature, supported values are `'light'`, `'dark'`, `'no-preference'`. See
* Emulates [prefers-colors-scheme](https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme)
* media feature, supported values are `'light'` and `'dark'`. See
* [page.emulateMedia([options])](https://playwright.dev/docs/api/class-page#page-emulate-media) for more details.
* Passing `null` resets emulation to system defaults. Defaults to `'light'`.
*