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docs: document webkitdirectory breaking change (#20934)

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Erick Zhao 2019-11-13 14:11:25 -05:00 • committed by John Kleinschmidt
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docs/api/breaking-changes.md
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@ -158,7 +158,7 @@ const idleTime = getSystemIdleTime()
### webFrame Isolated World APIs
```js
// Removed in Elecron 7.0
// Removed in Electron 7.0
webFrame.setIsolatedWorldContentSecurityPolicy(worldId, csp)
webFrame.setIsolatedWorldHumanReadableName(worldId, name)
webFrame.setIsolatedWorldSecurityOrigin(worldId, securityOrigin)
@ -176,6 +176,39 @@ webFrame.setIsolatedWorldInfo(
This property was removed in Chromium 77, and as such is no longer available.
### `webkitdirectory` attribute for `<input type="file"/>`
The `webkitdirectory` property on HTML file inputs allows them to select folders.
Previous versions of Electron had an incorrect implementation where the `event.target.files`
of the input returned a `FileList` that returned one `File` corresponding to the selected folder.
As of Electron 7, that `FileList` is now list of all files contained within
the folder, similarly to Chrome, Firefox, and Edge
([link to MDN docs](https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/webkitdirectory)).
As an illustration, take a folder with this structure:
```console
folder
├── file1
├── file2
└── file3
```
In Electron <=6, this would return a `FileList` with a `File` object for:
```console
path/to/folder
```
In Electron 7, this now returns a `FileList` with a `File` object for:
```console
/path/to/folder/file3
/path/to/folder/file2
/path/to/folder/file1
```
Note that `webkitdirectory` no longer exposes the path to the selected folder.
If you require the path to the selected folder rather than the folder contents,
see the `dialog.showOpenDialog` API ([link](https://github.com/electron/electron/blob/master/docs/api/dialog.md#dialogshowopendialogbrowserwindow-options)).
## Planned Breaking API Changes (6.0)
### `win.setMenu(null)`