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gilfgilf
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feat(component): added a new headless slider component (#169)
* feat(component): added a new headless slider component * style(component): move the component to use new Qwik syntax * style(component): merge Shai refactor + change useClientEffect
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‎apps/website/src/components/menu/menu.tsx‎

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@@ -33,6 +33,7 @@ export const Menu = component$<Props>(({ onClose$ }) => {
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{ label: 'Tabs', path: `/docs/${appState.theme.toLowerCase()}/tabs` },
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{ label: 'Toggle', path: `/docs/${appState.theme.toLowerCase()}/toggle` },
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{ label: 'Tooltip', path: `/docs/${appState.theme.toLowerCase()}/tooltip` },
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{ label: 'Slider', path: `/docs/${appState.theme.toLowerCase()}/slider` },
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{
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label: 'Progress',
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path: `/docs/${appState.theme.toLowerCase()}/progress`,

‎apps/website/src/routes/docs/headless/slider/index.tsx‎

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import { component$ } from '@builder.io/qwik';
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import { Slider, SliderProgress, SliderThumb } from '@qwik-ui/headless';
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export default component$(() => {
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return (
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<div class="flex flex-col gap-8 mt-4">
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<h2>This is the documentation for the Slider</h2>
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<div class="flex flex-col gap-8 mt-4">
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<div>
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<h2>Basic Example</h2>
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<Slider
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value={70}
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max={100}
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min={20}
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onChange$={(value: number) => {
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console.log(value);
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}}
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>
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<SliderProgress />
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<SliderThumb />
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</Slider>
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</div>
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</div>
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</div>
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);
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});

‎packages/headless/src/components/slider/index.ts‎

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export * from './slider';
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export * from './sliderProgress';
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export * from './sliderThumb';

‎packages/headless/src/components/slider/slider.tsx‎

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import {
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component$,
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createContextId,
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PropFunction,
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Signal,
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Slot,
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useBrowserVisibleTask$,
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useContextProvider,
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useSignal,
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} from '@builder.io/qwik';
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export const getPercentage = (value: number, min = 0, max = 100) => {
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return ((value - min) * 100) / (max - min);
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};
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interface SliderContextService {
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value: Signal<number>;
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min: Signal<number>;
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max: Signal<number>;
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positionX: Signal<number | undefined>;
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percentage: Signal<number>;
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}
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export const sliderContext = createContextId<SliderContextService>('slider');
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interface SliderProps {
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value: number;
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min: number;
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max: number;
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onChange$?: PropFunction<(value: number) => void>;
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}
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export const Slider = component$(
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({ value = 0, min = 0, max = 100, onChange$ }: SliderProps) => {
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const rootPositionRef = useSignal<Element>();
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const sliderValue = useSignal(value);
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const minSignal = useSignal(min);
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const maxSignal = useSignal(max);
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const positionXSignal = useSignal<number | undefined>();
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const percentageSignal = useSignal(getPercentage(value, min, max));
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const contextService: SliderContextService = {
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value: sliderValue,
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min: minSignal,
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max: maxSignal,
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positionX: positionXSignal,
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percentage: percentageSignal,
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};
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useBrowserVisibleTask$(async ({ track }) => {
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track(() => rootPositionRef);
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contextService.positionX.value =
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rootPositionRef.value?.getBoundingClientRect().x;
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});
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useBrowserVisibleTask$(async ({ track }) => {
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const newValue = track(() => sliderValue.value);
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if (onChange$) {
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onChange$(newValue);
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}
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contextService.percentage.value = getPercentage(newValue, min, max);
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});
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useContextProvider(sliderContext, contextService);
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return (
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<div
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ref={rootPositionRef}
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style={{
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display: 'inline-block',
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position: 'relative',
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border: 'solid 1px rgb(178,178,178)',
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borderRadius: '4px',
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background: 'rgb(239,239,239)',
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width: '100px',
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height: '6px',
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}}
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>
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<Slot />
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</div>
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);
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}
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);

‎packages/headless/src/components/slider/sliderProgress.tsx‎

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import { component$, Slot, useContext } from '@builder.io/qwik';
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import { sliderContext } from './slider';
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export const SliderProgress = component$(() => {
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const contextService = useContext(sliderContext);
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return (
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<div
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style={{
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display: 'block',
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position: 'absolute',
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top: 0,
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height: '100%',
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left: 0,
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width: `${contextService.percentage.value}%`,
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background: 'rgb(0,117,255)',
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}}
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>
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<Slot />
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</div>
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);
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});

‎packages/headless/src/components/slider/sliderThumb.tsx‎

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import {
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$,
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component$,
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QwikMouseEvent,
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Slot,
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useContext,
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useOnWindow,
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useSignal,
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} from '@builder.io/qwik';
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import { sliderContext } from './slider';
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export const clamp = (value: number, min: number, max: number) => {
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return Math.min(max, Math.max(value, min));
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};
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export const SliderThumb = component$(() => {
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const mouseDownHappenedSignal = useSignal(false);
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const contextService = useContext(sliderContext);
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const handleMouseDown = $((e: QwikMouseEvent) => {
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if (contextService.positionX.value) {
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contextService.value.value = clamp(
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e.pageX - contextService.positionX.value,
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contextService.min.value,
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contextService.max.value
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);
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}
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mouseDownHappenedSignal.value = true;
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});
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useOnWindow(
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'mousemove',
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$((e) => {
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if (contextService.positionX.value && mouseDownHappenedSignal.value) {
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contextService.value.value = clamp(
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(e as MouseEvent).pageX - contextService.positionX.value,
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contextService.min.value,
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contextService.max.value
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);
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}
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})
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);
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useOnWindow(
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'mouseup',
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$((e) => {
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if (contextService.positionX.value && mouseDownHappenedSignal.value) {
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contextService.value.value = clamp(
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(e as MouseEvent).pageX - contextService.positionX.value,
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contextService.min.value,
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contextService.max.value
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);
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}
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mouseDownHappenedSignal.value = false;
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})
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);
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return (
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<div
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style={{
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width: '20px',
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height: '20px',
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borderRadius: '20px',
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background: 'rgba(0, 0, 250)',
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position: 'absolute',
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transform: 'translateX(-50%) translateY(-50%)',
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top: '50%',
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left: `${contextService.percentage.value}%`,
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}}
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onMouseDown$={handleMouseDown}
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>
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<Slot />
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</div>
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);
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});

‎packages/headless/src/index.ts‎

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@@ -13,4 +13,5 @@ export * from './components/toast/toast';
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export * from './components/toggle/toggle';
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export * from './components/tooltip/tooltip';
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export * as Select from './components/select/select';
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export * from './components/slider';
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export * from './components/radio/radio';

‎packages/website/src/routes/docs/headless/slider/index.tsx‎

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import { component$ } from '@builder.io/qwik';
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import { Slider, SliderProgress, SliderThumb } from '@qwik-ui/headless';
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export default component$(() => {
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return (
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<div class="flex flex-col gap-8 mt-4">
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<h2>This is the documentation for the Slider</h2>
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<div class="flex flex-col gap-8 mt-4">
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<div>
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<h2>Basic Example</h2>
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<Slider
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value={70}
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max={100}
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min={20}
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onChange$={(value) => {
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console.log(value);
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}}
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>
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<SliderProgress />
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<SliderThumb />
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</Slider>
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</div>
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</div>
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</div>
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);
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});

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