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import React, { useState } from 'react';
import {
Slider,
Rail,
Handles,
Tracks,
Ticks,
GetHandleProps,
} from 'react-compound-slider';
import { formatNumber } from '../utils';
import './PriceSlider.css';
import { useRange } from 'react-instantsearch-hooks-web';
import {
Range,
RangeBoundaries,
} from 'instantsearch.js/es/connectors/range/connectRange';
function Handle({
domain: [min, max],
handle: { id, value, percent },
disabled,
getHandleProps,
}: {
domain: [number, number];
handle: { id: string; value: number; percent: number };
disabled?: boolean;
getHandleProps: GetHandleProps;
}) {
return (
<>
{/* Dummy element to make the tooltip draggable */}
<div
style={{
position: 'absolute',
left: `${percent}%`,
width: 40,
height: 25,
transform: 'translate(-50%, -100%)',
cursor: disabled ? 'not-allowed' : 'grab',
zIndex: 1,
}}
aria-hidden={true}
{...getHandleProps(id)}
/>
<div
role="slider"
className="slider-handle"
aria-valuemin={min}
aria-valuemax={max}
aria-valuenow={value}
style={{
left: `${percent}%`,
cursor: disabled ? 'not-allowed' : 'grab',
}}
{...getHandleProps(id)}
/>
</>
);
}
function convertToTicks(start: RangeBoundaries, range: Range): number[] {
const domain =
range.min === 0 && range.max === 0
? { min: undefined, max: undefined }
: range;
return [
start[0] === -Infinity ? domain.min! : start[0]!,
start[1] === Infinity ? domain.max! : start[1]!,
];
}
export function PriceSlider({
attribute,
min,
max,
}: {
attribute: string;
min?: number;
max?: number;
}) {
const { range, start, refine, canRefine } = useRange(
{
attribute,
min,
max,
},
{ $$widgetType: 'e-commerce.rangeSlider' }
);
const [ticksValues, setTicksValues] = useState(convertToTicks(start, range));
const [prevStart, setPrevStart] = useState(start);
if (start !== prevStart) {
setTicksValues(convertToTicks(start, range));
setPrevStart(start);
}
const onChange = (values: readonly number[]) => {
refine(values as [number, number]);
};
const onUpdate = (values: readonly number[]) => {
setTicksValues(values as [number, number]);
};
if (
!canRefine ||
ticksValues[0] === undefined ||
ticksValues[1] === undefined
) {
return null;
}
return (
<Slider
mode={2}
step={1}
domain={[range.min!, range.max!]}
values={start as number[]}
disabled={!canRefine}
onChange={onChange}
onUpdate={onUpdate}
rootStyle={{ position: 'relative', marginTop: '1.5rem' }}
className="ais-RangeSlider"
>
<Rail>
{({ getRailProps }) => (
<div className="slider-rail" {...getRailProps()} />
)}
</Rail>
<Tracks left={false} right={false}>
{({ tracks, getTrackProps }) => (
<div>
{tracks.map(({ id, source, target }) => (
<div
key={id}
className="slider-track"
style={{
left: `${source.percent}%`,
width: `${target.percent - source.percent}%`,
}}
{...getTrackProps()}
/>
))}
</div>
)}
</Tracks>
<Handles>
{({ handles, getHandleProps }) => (
<div>
{handles.map((handle) => (
<Handle
key={handle.id}
handle={handle}
domain={[min!, max!]}
getHandleProps={getHandleProps}
/>
))}
</div>
)}
</Handles>
<Ticks values={ticksValues}>
{({ ticks }) => (
<div>
{ticks.map(({ id, value, percent }) => (
<div
key={id}
className="slider-tick"
style={{
left: `${percent}%`,
}}
>
<span style={{ color: '#e2a400', marginRight: 4 }}>$</span>
{formatNumber(value)}
</div>
))}
</div>
)}
</Ticks>
</Slider>
);
}
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