38 lines
723 B
Markdown
38 lines
723 B
Markdown
# powerMonitor
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> Monitor power state changes.
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You can only use it in the main process. You should not use this module until the `ready`
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event of the `app` module is emitted.
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For example:
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```javascript
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const {app} = require('electron')
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app.on('ready', () => {
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require('electron').powerMonitor.on('suspend', () => {
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console.log('The system is going to sleep')
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})
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})
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```
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## Events
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The `power-monitor` module emits the following events:
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### Event: 'suspend'
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Emitted when the system is suspending.
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### Event: 'resume'
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Emitted when system is resuming.
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### Event: 'on-ac' _Windows_
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Emitted when the system changes to AC power.
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### Event: 'on-battery' _Windows_
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Emitted when system changes to battery power.
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