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https://github.com/electron/electron.git
synced 2026-04-10 03:01:51 -04:00
chore: type check JS in docs (#38600)
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@@ -82,7 +82,7 @@ Emitted when Electron is about to download `item` in `webContents`.
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Calling `event.preventDefault()` will cancel the download and `item` will not be
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available from next tick of the process.
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```javascript
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```javascript @ts-expect-error=[4]
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const { session } = require('electron')
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session.defaultSession.on('will-download', (event, item, webContents) => {
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event.preventDefault()
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@@ -198,7 +198,7 @@ cancel the request. Additionally, permissioning on `navigator.hid` can
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be further managed by using [`ses.setPermissionCheckHandler(handler)`](#sessetpermissioncheckhandlerhandler)
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and [`ses.setDevicePermissionHandler(handler)`](#sessetdevicepermissionhandlerhandler).
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```javascript
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```javascript @ts-type={fetchGrantedDevices:()=>(Array<Electron.DevicePermissionHandlerHandlerDetails['device']>)}
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const { app, BrowserWindow } = require('electron')
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let win = null
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@@ -237,7 +237,7 @@ app.whenReady().then(() => {
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win.webContents.session.on('select-hid-device', (event, details, callback) => {
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event.preventDefault()
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const selectedDevice = details.deviceList.find((device) => {
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return device.vendorId === '9025' && device.productId === '67'
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return device.vendorId === 9025 && device.productId === 67
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})
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callback(selectedDevice?.deviceId)
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})
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@@ -304,7 +304,7 @@ cancel the request. Additionally, permissioning on `navigator.serial` can
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be managed by using [ses.setPermissionCheckHandler(handler)](#sessetpermissioncheckhandlerhandler)
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with the `serial` permission.
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```javascript
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```javascript @ts-type={fetchGrantedDevices:()=>(Array<Electron.DevicePermissionHandlerHandlerDetails['device']>)}
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const { app, BrowserWindow } = require('electron')
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let win = null
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@@ -447,7 +447,7 @@ cancel the request. Additionally, permissioning on `navigator.usb` can
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be further managed by using [`ses.setPermissionCheckHandler(handler)`](#sessetpermissioncheckhandlerhandler)
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and [`ses.setDevicePermissionHandler(handler)`](#sessetdevicepermissionhandlerhandler).
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```javascript
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```javascript @ts-type={fetchGrantedDevices:()=>(Array<Electron.DevicePermissionHandlerHandlerDetails['device']>)} @ts-type={updateGrantedDevices:(devices:Array<Electron.DevicePermissionHandlerHandlerDetails['device']>)=>void}
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const { app, BrowserWindow } = require('electron')
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let win = null
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@@ -486,7 +486,7 @@ app.whenReady().then(() => {
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win.webContents.session.on('select-usb-device', (event, details, callback) => {
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event.preventDefault()
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const selectedDevice = details.deviceList.find((device) => {
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return device.vendorId === '9025' && device.productId === '67'
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return device.vendorId === 9025 && device.productId === 67
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})
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if (selectedDevice) {
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// Optionally, add this to the persisted devices (updateGrantedDevices needs to be implemented by developer to persist permissions)
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@@ -741,15 +741,17 @@ Sets download saving directory. By default, the download directory will be the
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Emulates network with the given configuration for the `session`.
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```javascript
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const win = new BrowserWindow()
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// To emulate a GPRS connection with 50kbps throughput and 500 ms latency.
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window.webContents.session.enableNetworkEmulation({
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win.webContents.session.enableNetworkEmulation({
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latency: 500,
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downloadThroughput: 6400,
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uploadThroughput: 6400
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})
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// To emulate a network outage.
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window.webContents.session.enableNetworkEmulation({ offline: true })
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win.webContents.session.enableNetworkEmulation({ offline: true })
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```
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#### `ses.preconnect(options)`
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@@ -967,7 +969,7 @@ Additionally, the default behavior of Electron is to store granted device permis
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If longer term storage is needed, a developer can store granted device
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permissions (eg when handling the `select-hid-device` event) and then read from that storage with `setDevicePermissionHandler`.
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```javascript
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```javascript @ts-type={fetchGrantedDevices:()=>(Array<Electron.DevicePermissionHandlerHandlerDetails['device']>)}
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const { app, BrowserWindow } = require('electron')
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let win = null
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@@ -1015,9 +1017,9 @@ app.whenReady().then(() => {
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win.webContents.session.on('select-hid-device', (event, details, callback) => {
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event.preventDefault()
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const selectedDevice = details.deviceList.find((device) => {
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return device.vendorId === '9025' && device.productId === '67'
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return device.vendorId === 9025 && device.productId === 67
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})
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callback(selectedPort?.deviceId)
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callback(selectedDevice?.deviceId)
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})
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})
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```
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@@ -1105,32 +1107,32 @@ macOS does not require a handler because macOS handles the pairing
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automatically. To clear the handler, call `setBluetoothPairingHandler(null)`.
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```javascript
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const { app, BrowserWindow, ipcMain, session } = require('electron')
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let bluetoothPinCallback = null
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const { app, BrowserWindow, session } = require('electron')
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const path = require('path')
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function createWindow () {
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let bluetoothPinCallback = null
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const mainWindow = new BrowserWindow({
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webPreferences: {
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preload: path.join(__dirname, 'preload.js')
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}
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})
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mainWindow.webContents.session.setBluetoothPairingHandler((details, callback) => {
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bluetoothPinCallback = callback
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// Send a IPC message to the renderer to prompt the user to confirm the pairing.
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// Note that this will require logic in the renderer to handle this message and
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// display a prompt to the user.
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mainWindow.webContents.send('bluetooth-pairing-request', details)
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})
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// Listen for an IPC message from the renderer to get the response for the Bluetooth pairing.
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mainWindow.webContents.ipc.on('bluetooth-pairing-response', (event, response) => {
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bluetoothPinCallback(response)
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})
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}
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// Listen for an IPC message from the renderer to get the response for the Bluetooth pairing.
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ipcMain.on('bluetooth-pairing-response', (event, response) => {
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bluetoothPinCallback(response)
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})
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mainWindow.webContents.session.setBluetoothPairingHandler((details, callback) => {
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bluetoothPinCallback = callback
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// Send a IPC message to the renderer to prompt the user to confirm the pairing.
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// Note that this will require logic in the renderer to handle this message and
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// display a prompt to the user.
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mainWindow.webContents.send('bluetooth-pairing-request', details)
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})
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app.whenReady().then(() => {
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createWindow()
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})
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