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docs: document breaking change in 33, not 32 (#43977)

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John Kleinschmidt 2024-09-26 09:07:04 -04:00 committed by GitHub
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54
docs/breaking-changes.md
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@ -14,6 +14,33 @@ This document uses the following convention to categorize breaking changes:
## Planned Breaking API Changes (33.0)
### Behavior Changed: custom protocol URL handling on Windows
Due to changes made in Chromium to support [Non-Special Scheme URLs](http://bit.ly/url-non-special), custom protocol URLs that use Windows file paths will no longer work correctly with the deprecated `protocol.registerFileProtocol` and the `baseURLForDataURL` property on `BrowserWindow.loadURL`, `WebContents.loadURL`, and `<webview>.loadURL`. `protocol.handle` will also not work with these types of URLs but this is not a change since it has always worked that way.
```js
// No longer works
protocol.registerFileProtocol('other', () => {
callback({ filePath: '/path/to/my/file' })
})
const mainWindow = new BrowserWindow()
mainWindow.loadURL('data:text/html,<script src="loaded-from-dataurl.js"></script>', { baseURLForDataURL: 'other://C:\\myapp' })
mainWindow.loadURL('other://C:\\myapp\\index.html')
// Replace with
const path = require('node:path')
const nodeUrl = require('node:url')
protocol.handle(other, (req) => {
const srcPath = 'C:\\myapp\\'
const reqURL = new URL(req.url)
return net.fetch(nodeUrl.pathToFileURL(path.join(srcPath, reqURL.pathname)).toString())
})
mainWindow.loadURL('data:text/html,<script src="loaded-from-dataurl.js"></script>', { baseURLForDataURL: 'other://' })
mainWindow.loadURL('other://index.html')
```
### Behavior Changed: `webContents` property on `login` on `app`
The `webContents` property in the `login` event from `app` will be `null`
@ -45,33 +72,6 @@ const prefersReducedTransparency = nativeTheme.prefersReducedTransparency
## Planned Breaking API Changes (32.0)
### Behavior Changed: custom protocol URL handling on Windows
Due to changes made in Chromium to support [Non-Special Scheme URLs](http://bit.ly/url-non-special), custom protocol URLs that use Windows file paths will no longer work correctly with the deprecated `protocol.registerFileProtocol` and the `baseURLForDataURL` property on `BrowserWindow.loadURL`, `WebContents.loadURL`, and `<webview>.loadURL`. `protocol.handle` will also not work with these types of URLs but this is not a change since it has always worked that way.
```js
// No longer works
protocol.registerFileProtocol('other', () => {
callback({ filePath: '/path/to/my/file' })
})
const mainWindow = new BrowserWindow()
mainWindow.loadURL('data:text/html,<script src="loaded-from-dataurl.js"></script>', { baseURLForDataURL: 'other://C:\\myapp' })
mainWindow.loadURL('other://C:\\myapp\\index.html')
// Replace with
const path = require('node:path')
const nodeUrl = require('node:url')
protocol.handle(other, (req) => {
const srcPath = 'C:\\myapp\\'
const reqURL = new URL(req.url)
return net.fetch(nodeUrl.pathToFileURL(path.join(srcPath, reqURL.pathname)).toString())
})
mainWindow.loadURL('data:text/html,<script src="loaded-from-dataurl.js"></script>', { baseURLForDataURL: 'other://' })
mainWindow.loadURL('other://index.html')
```
### Removed: `File.path`
The nonstandard `path` property of the Web `File` object was added in an early version of Electron as a convenience method for working with native files when doing everything in the renderer was more common. However, it represents a deviation from the standard and poses a minor security risk as well, so beginning in Electron 32.0 it has been removed in favor of the [`webUtils.getPathForFile`](api/web-utils.md#webutilsgetpathforfilefile) method.