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fix: viewport.deviceScaleFactor can be set to system default (#9911)

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Nikolay Vitkov 2023-03-24 10:56:52 +01:00 committed by GitHub
parent c09b1b6948
commit 022c909326
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3 changed files with 9 additions and 1 deletions
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4
docs/api/puppeteer.viewport.devicescalefactor.md
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@ -17,3 +17,7 @@ interface Viewport {
#### Default value:
1
## Remarks
Setting this value to `0` will set the deviceScaleFactor to the system default.

2
packages/puppeteer-core/src/common/EmulationManager.ts
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@ -34,7 +34,7 @@ export class EmulationManager {
const mobile = viewport.isMobile || false;
const width = viewport.width;
const height = viewport.height;
const deviceScaleFactor = viewport.deviceScaleFactor || 1;
const deviceScaleFactor = viewport.deviceScaleFactor ?? 1;
const screenOrientation: Protocol.Emulation.ScreenOrientation =
viewport.isLandscape
? {angle: 90, type: 'landscapePrimary'}

4
packages/puppeteer-core/src/common/PuppeteerViewport.ts
View File

@ -30,6 +30,10 @@ export interface Viewport {
/**
* Specify device scale factor.
* See {@link https://developer.mozilla.org/en-US/docs/Web/API/Window/devicePixelRatio | devicePixelRatio} for more info.
*
* @remarks
* Setting this value to `0` will set the deviceScaleFactor to the system default.
*
* @defaultValue 1
*/
deviceScaleFactor?: number;