41 lines
761 B
Markdown
41 lines
761 B
Markdown
# powerMonitor
|
|
|
|
> Monitor power state changes.
|
|
|
|
Process: [Main](../tutorial/quick-start.md#main-process)
|
|
|
|
You cannot require or use this module until the `ready` event of the `app`
|
|
module is emitted.
|
|
|
|
For example:
|
|
|
|
```javascript
|
|
const electron = require('electron')
|
|
const {app} = electron
|
|
|
|
app.on('ready', () => {
|
|
electron.powerMonitor.on('suspend', () => {
|
|
console.log('The system is going to sleep')
|
|
})
|
|
})
|
|
```
|
|
|
|
## Events
|
|
|
|
The `powerMonitor` module emits the following events:
|
|
|
|
### Event: 'suspend'
|
|
|
|
Emitted when the system is suspending.
|
|
|
|
### Event: 'resume'
|
|
|
|
Emitted when system is resuming.
|
|
|
|
### Event: 'on-ac' _Windows_
|
|
|
|
Emitted when the system changes to AC power.
|
|
|
|
### Event: 'on-battery' _Windows_
|
|
|
|
Emitted when system changes to battery power.
|