A general class to deal with key activations
Like el.hasAttribute(attr) but designed for use within a skate attribute change handler where you only have access to change.oldValue.
This property extension can be used with skate. Usage:
props: {
respondsTo: props.enum({values: ['toggle', 'hover'],
missingDefault: 'toggle',
invalidDefault: 'toggle'})({
})
}
String | A named key. Case insensitive. |
| callback | function | A callback function to invoke if the given key was activated. The callback is passed the event object. |
| [elem] | Node | The element to listen for the key activation. Defaults to document if none given. |
### keyPressHandler.add(key, callback)
Adds or replaces a key that is listened for.
**Kind**: instance method of [KeyPressHandler](#KeyPressHandler)
| Param | Type | Description |
| --- | --- | --- |
| key | String | A named key. Case insensitive. Replaces any previous listened key. |
| callback | function | The callback function to invoke. |
### keyPressHandler.destroy([key])
Removes a key from the list of listened keys.
Or removes the whole listener if no key given.
**Kind**: instance method of [KeyPressHandler](#KeyPressHandler)
| Param | Type | Description |
| --- | --- | --- |
| [key] | String | A named key. Case insensitive. If none given, event listener is removed. |
## computeBooleanValue()
Like el.hasAttribute(attr) but designed for use within a skate attribute
change handler where you only have access to change.oldValue.
**Kind**: global function
## enumeration()
This property extension can be used with skate.
Usage:
```
props: {
respondsTo: props.enum({values: ['toggle', 'hover'],
missingDefault: 'toggle',
invalidDefault: 'toggle'})({
})
}
```
**Kind**: global function
## Support and feedback
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### Community support
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