Knob control for Svelte.js
npm install svelte-knob --save
https://svelte.dev/repl/609b8f2e4540442197fc12cbc4165d55?version=3.31.1
import Knob from 'svelte-knob'
Most basic usage:
<Knob value={50} />
<Knob value={30} step={10} strokeWidth={8} primaryColor="#E844C3" secondaryColor="#E7B6DC" textColor="#E844C3"/>
<Knob value={45} min={-10} max={100} />
Set the component responsive.
Size property is always available, be careful if size is more than 100, size is expressed in % in this mode
<Knob
responsive={true}
/>
Disabled by default
animated true|false
This will disable/enable knob animation but not value one.
animateValue true|false
Same as animation expect for the value.
animationDuration integer, in milliseconds
set the duration of both animation.
animationFunction string
CSS animation function, all CSS animations are available (eg: linear, ease-in, ease-out, ...).
Only animate knob itself
<Knob
animation="{
animated: true
}"
/>
Only animate knob value
<Knob
animation="{
animateValue: true
}"
/>
animated and animateValue can be set at the same time
This animation use
CSS linear functionduring 5 sec
<Knob
animation="{
animated: true,
animateValue: true,
animationDuration: '5000',
animationFunction: 'linear'
}"
/>
animationDuration should be expressed in ms (you can use multiplication if you prefer eg: "5 * 1000")
The only required property is value.
| Option | Type | Description | Default |
|---|---|---|---|
| value | Number | Use the value attribute to set the value of the control | none |
| max | Number | Maximum value of the control | 100 |
| min | Number | Minimum value of the control | 0 |
| step | Number | Smallest increment the value can change by | 1 |
| disabled | Boolean | Set to true to disable the knob | false |
| size | Number | Visual size of the control in px (or % if responsive is true) |
100 |
| primaryColor | String | Color of the value arc | #409eff |
| secondaryColor | String | Color of the rest of the control | #dcdfe6 |
| textColor | String | Color of the value text | #000000 |
| strokeWidth | Number | Thickness of the arcs | 17 |
| valueDisplayFunction | Function | Custom function to alter the display text | (v) => v |
| responsive | Boolean | Use % instead of px |
false |
| animation | Object | Optional animation config object: { animated: false, animateValue: false, animationDuration: 2000 (in ms), animationFunction: 'ease-in-out' } |
null |