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feat: promisify win.capturePage() (#15743)

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* feat: promisify win.capturePage

* mark optional arg correctly

* Add to breaking changes doc

* properly deprecate win.capturePage

* remove change from api-contract

* document both callback and promise versions

* address docs feedback

* update promisification progress doc
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Shelley Vohr 2018-11-27 23:50:53 -05:00 • committed by GitHub
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docs/api/web-contents.md
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@ -1050,14 +1050,23 @@ console.log(requestId)
#### `contents.capturePage([rect, ]callback)`
* `rect` [Rectangle](structures/rectangle.md) (optional) - The area of the page to be captured.
* `rect` [Rectangle](structures/rectangle.md) (optional) - The bounds to capture
* `callback` Function
* `image` [NativeImage](native-image.md)
Captures a snapshot of the page within `rect`. Upon completion `callback` will
be called with `callback(image)`. The `image` is an instance of
[NativeImage](native-image.md) that stores data of the snapshot. Omitting
`rect` will capture the whole visible page.
be called with `callback(image)`. The `image` is an instance of [NativeImage](native-image.md)
that stores data of the snapshot. Omitting `rect` will capture the whole visible page.
**[Deprecated Soon](promisification.md)**
#### `contents.capturePage([rect])`
* `rect` [Rectangle](structures/rectangle.md) (optional) - The area of the page to be captured.
* Returns `Promise<NativeImage>` - Resolves with a [NativeImage](native-image.md)
Captures a snapshot of the page within `rect`. Omitting `rect` will capture the whole visible page.
#### `contents.hasServiceWorker(callback)`