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SliderUnstyled.js
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SliderUnstyled.js
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import * as React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import {
chainPropTypes,
unstable_useIsFocusVisible as useIsFocusVisible,
unstable_useEnhancedEffect as useEnhancedEffect,
unstable_ownerDocument as ownerDocument,
unstable_useEventCallback as useEventCallback,
unstable_useForkRef as useForkRef,
unstable_useControlled as useControlled,
visuallyHidden,
} from '@material-ui/utils';
import isHostComponent from '../utils/isHostComponent';
import composeClasses from '../composeClasses';
import { getSliderUtilityClass } from './sliderUnstyledClasses';
import SliderValueLabelUnstyled from './SliderValueLabelUnstyled';
const INTENTIONAL_DRAG_COUNT_THRESHOLD = 2;
function asc(a, b) {
return a - b;
}
function clamp(value, min, max) {
if (value == null) {
return min;
}
return Math.min(Math.max(min, value), max);
}
function findClosest(values, currentValue) {
const { index: closestIndex } = values.reduce((acc, value, index) => {
const distance = Math.abs(currentValue - value);
if (acc === null || distance < acc.distance || distance === acc.distance) {
return {
distance,
index,
};
}
return acc;
}, null);
return closestIndex;
}
function trackFinger(event, touchId) {
if (touchId.current !== undefined && event.changedTouches) {
for (let i = 0; i < event.changedTouches.length; i += 1) {
const touch = event.changedTouches[i];
if (touch.identifier === touchId.current) {
return {
x: touch.clientX,
y: touch.clientY,
};
}
}
return false;
}
return {
x: event.clientX,
y: event.clientY,
};
}
function valueToPercent(value, min, max) {
return ((value - min) * 100) / (max - min);
}
function percentToValue(percent, min, max) {
return (max - min) * percent + min;
}
function getDecimalPrecision(num) {
// This handles the case when num is very small (0.00000001), js will turn this into 1e-8.
// When num is bigger than 1 or less than -1 it won't get converted to this notation so it's fine.
if (Math.abs(num) < 1) {
const parts = num.toExponential().split('e-');
const matissaDecimalPart = parts[0].split('.')[1];
return (matissaDecimalPart ? matissaDecimalPart.length : 0) + parseInt(parts[1], 10);
}
const decimalPart = num.toString().split('.')[1];
return decimalPart ? decimalPart.length : 0;
}
function roundValueToStep(value, step, min) {
const nearest = Math.round((value - min) / step) * step + min;
return Number(nearest.toFixed(getDecimalPrecision(step)));
}
function setValueIndex({ values, source, newValue, index }) {
// Performance shortcut
if (source[index] === newValue) {
return source;
}
const output = values.slice();
output[index] = newValue;
return output;
}
function focusThumb({ sliderRef, activeIndex, setActive }) {
const doc = ownerDocument(sliderRef.current);
if (
!sliderRef.current.contains(doc.activeElement) ||
Number(doc.activeElement.getAttribute('data-index')) !== activeIndex
) {
sliderRef.current.querySelector(`[type="range"][data-index="${activeIndex}"]`).focus();
}
if (setActive) {
setActive(activeIndex);
}
}
const axisProps = {
horizontal: {
offset: (percent) => ({ left: `${percent}%` }),
leap: (percent) => ({ width: `${percent}%` }),
},
'horizontal-reverse': {
offset: (percent) => ({ right: `${percent}%` }),
leap: (percent) => ({ width: `${percent}%` }),
},
vertical: {
offset: (percent) => ({ bottom: `${percent}%` }),
leap: (percent) => ({ height: `${percent}%` }),
},
};
const Identity = (x) => x;
// TODO: remove support for Safari < 13.
// https://caniuse.com/#search=touch-action
//
// Safari, on iOS, supports touch action since v13.
// Over 80% of the iOS phones are compatible
// in August 2020.
let cachedSupportsTouchActionNone;
function doesSupportTouchActionNone() {
if (cachedSupportsTouchActionNone === undefined) {
const element = document.createElement('div');
element.style.touchAction = 'none';
document.body.appendChild(element);
cachedSupportsTouchActionNone = window.getComputedStyle(element).touchAction === 'none';
element.parentElement.removeChild(element);
}
return cachedSupportsTouchActionNone;
}
const useUtilityClasses = (styleProps) => {
const { disabled, dragging, marked, orientation, track, classes } = styleProps;
const slots = {
root: [
'root',
disabled && 'disabled',
dragging && 'dragging',
marked && 'marked',
orientation === 'vertical' && 'vertical',
track === 'inverted' && 'trackInverted',
track === false && 'trackFalse',
],
rail: ['rail'],
track: ['track'],
mark: ['mark'],
markActive: ['markActive'],
markLabel: ['markLabel'],
markLabelActive: ['markLabelActive'],
valueLabel: ['valueLabel'],
thumb: ['thumb', disabled && 'disabled'],
active: ['active'],
disabled: ['disabled'],
focusVisible: ['focusVisible'],
};
return composeClasses(slots, getSliderUtilityClass, classes);
};
const Forward = ({ children }) => children;
const SliderUnstyled = React.forwardRef(function SliderUnstyled(props, ref) {
const {
'aria-label': ariaLabel,
'aria-labelledby': ariaLabelledby,
'aria-valuetext': ariaValuetext,
className,
component = 'span',
classes: classesProp,
defaultValue,
disableSwap = false,
disabled = false,
getAriaLabel,
getAriaValueText,
marks: marksProp = false,
max = 100,
min = 0,
name,
onChange,
onChangeCommitted,
onMouseDown,
orientation = 'horizontal',
scale = Identity,
step = 1,
tabIndex,
track = 'normal',
value: valueProp,
valueLabelDisplay = 'off',
valueLabelFormat = Identity,
isRtl = false,
components = {},
componentsProps = {},
/* eslint-disable-next-line react/prop-types */
theme,
...other
} = props;
const touchId = React.useRef();
// We can't use the :active browser pseudo-classes.
// - The active state isn't triggered when clicking on the rail.
// - The active state isn't transferred when inversing a range slider.
const [active, setActive] = React.useState(-1);
const [open, setOpen] = React.useState(-1);
const [dragging, setDragging] = React.useState(false);
const moveCount = React.useRef(0);
const [valueDerived, setValueState] = useControlled({
controlled: valueProp,
default: defaultValue ?? min,
name: 'Slider',
});
const handleChange =
onChange &&
((event, value, thumbIndex) => {
// Redefine target to allow name and value to be read.
// This allows seamless integration with the most popular form libraries.
// https://github.com/mui-org/material-ui/issues/13485#issuecomment-676048492
// Clone the event to not override `target` of the original event.
const nativeEvent = event.nativeEvent || event;
const clonedEvent = new nativeEvent.constructor(nativeEvent.type, nativeEvent);
Object.defineProperty(clonedEvent, 'target', {
writable: true,
value: { value, name },
});
onChange(clonedEvent, value, thumbIndex);
});
const range = Array.isArray(valueDerived);
let values = range ? valueDerived.slice().sort(asc) : [valueDerived];
values = values.map((value) => clamp(value, min, max));
const marks =
marksProp === true && step !== null
? [...Array(Math.floor((max - min) / step) + 1)].map((_, index) => ({
value: min + step * index,
}))
: marksProp || [];
const {
isFocusVisibleRef,
onBlur: handleBlurVisible,
onFocus: handleFocusVisible,
ref: focusVisibleRef,
} = useIsFocusVisible();
const [focusVisible, setFocusVisible] = React.useState(-1);
const sliderRef = React.useRef();
const handleFocusRef = useForkRef(focusVisibleRef, sliderRef);
const handleRef = useForkRef(ref, handleFocusRef);
const handleFocus = useEventCallback((event) => {
const index = Number(event.currentTarget.getAttribute('data-index'));
handleFocusVisible(event);
if (isFocusVisibleRef.current === true) {
setFocusVisible(index);
}
setOpen(index);
});
const handleBlur = useEventCallback((event) => {
handleBlurVisible(event);
if (isFocusVisibleRef.current === false) {
setFocusVisible(-1);
}
setOpen(-1);
});
const handleMouseOver = useEventCallback((event) => {
const index = Number(event.currentTarget.getAttribute('data-index'));
setOpen(index);
});
const handleMouseLeave = useEventCallback(() => {
setOpen(-1);
});
useEnhancedEffect(() => {
if (disabled && sliderRef.current.contains(document.activeElement)) {
// This is necessary because Firefox and Safari will keep focus
// on a disabled element:
// https://codesandbox.io/s/mui-pr-22247-forked-h151h?file=/src/App.js
document.activeElement.blur();
}
}, [disabled]);
if (disabled && active !== -1) {
setActive(-1);
}
if (disabled && focusVisible !== -1) {
setFocusVisible(-1);
}
const handleHiddenInputChange = useEventCallback((event) => {
const index = Number(event.currentTarget.getAttribute('data-index'));
const value = values[index];
const marksValues = marks.map((mark) => mark.value);
const marksIndex = marksValues.indexOf(value);
let newValue = event.target.valueAsNumber;
if (marks && step == null) {
newValue = newValue < value ? marksValues[marksIndex - 1] : marksValues[marksIndex + 1];
}
newValue = clamp(newValue, min, max);
if (marks && step == null) {
const markValues = marks.map((mark) => mark.value);
const currentMarkIndex = markValues.indexOf(values[index]);
newValue =
newValue < values[index]
? markValues[currentMarkIndex - 1]
: markValues[currentMarkIndex + 1];
}
if (range) {
// Bound the new value to the thumb's neighbours.
if (disableSwap) {
newValue = clamp(newValue, values[index - 1] || -Infinity, values[index + 1] || Infinity);
}
const previousValue = newValue;
newValue = setValueIndex({
values,
source: valueDerived,
newValue,
index,
}).sort(asc);
let activeIndex = index;
// Potentially swap the index if needed.
if (!disableSwap) {
activeIndex = newValue.indexOf(previousValue);
}
focusThumb({ sliderRef, activeIndex });
}
setValueState(newValue);
setFocusVisible(index);
if (handleChange) {
handleChange(event, newValue, index);
}
if (onChangeCommitted) {
onChangeCommitted(event, newValue);
}
});
const previousIndex = React.useRef();
let axis = orientation;
if (isRtl && orientation === 'horizontal') {
axis += '-reverse';
}
const getFingerNewValue = ({ finger, move = false, values: values2, source }) => {
const { current: slider } = sliderRef;
const { width, height, bottom, left } = slider.getBoundingClientRect();
let percent;
if (axis.indexOf('vertical') === 0) {
percent = (bottom - finger.y) / height;
} else {
percent = (finger.x - left) / width;
}
if (axis.indexOf('-reverse') !== -1) {
percent = 1 - percent;
}
let newValue;
newValue = percentToValue(percent, min, max);
if (step) {
newValue = roundValueToStep(newValue, step, min);
} else {
const marksValues = marks.map((mark) => mark.value);
const closestIndex = findClosest(marksValues, newValue);
newValue = marksValues[closestIndex];
}
newValue = clamp(newValue, min, max);
let activeIndex = 0;
if (range) {
if (!move) {
activeIndex = findClosest(values2, newValue);
} else {
activeIndex = previousIndex.current;
}
// Bound the new value to the thumb's neighbours.
if (disableSwap) {
newValue = clamp(
newValue,
values2[activeIndex - 1] || -Infinity,
values2[activeIndex + 1] || Infinity,
);
}
const previousValue = newValue;
newValue = setValueIndex({
values: values2,
source,
newValue,
index: activeIndex,
}).sort(asc);
// Potentially swap the index if needed.
if (!(disableSwap && move)) {
activeIndex = newValue.indexOf(previousValue);
previousIndex.current = activeIndex;
}
}
return { newValue, activeIndex };
};
const handleTouchMove = useEventCallback((nativeEvent) => {
const finger = trackFinger(nativeEvent, touchId);
if (!finger) {
return;
}
moveCount.current += 1;
// Cancel move in case some other element consumed a mouseup event and it was not fired.
if (nativeEvent.type === 'mousemove' && nativeEvent.buttons === 0) {
// eslint-disable-next-line @typescript-eslint/no-use-before-define
handleTouchEnd(nativeEvent);
return;
}
const { newValue, activeIndex } = getFingerNewValue({
finger,
move: true,
values,
source: valueDerived,
});
focusThumb({ sliderRef, activeIndex, setActive });
setValueState(newValue);
if (!dragging && moveCount.current > INTENTIONAL_DRAG_COUNT_THRESHOLD) {
setDragging(true);
}
if (handleChange) {
handleChange(nativeEvent, newValue, activeIndex);
}
});
const handleTouchEnd = useEventCallback((nativeEvent) => {
const finger = trackFinger(nativeEvent, touchId);
setDragging(false);
if (!finger) {
return;
}
const { newValue } = getFingerNewValue({ finger, values, source: valueDerived });
setActive(-1);
if (nativeEvent.type === 'touchend') {
setOpen(-1);
}
if (onChangeCommitted) {
onChangeCommitted(nativeEvent, newValue);
}
touchId.current = undefined;
// eslint-disable-next-line @typescript-eslint/no-use-before-define
stopListening();
});
const handleTouchStart = useEventCallback((nativeEvent) => {
// If touch-action: none; is not supported we need to prevent the scroll manually.
if (!doesSupportTouchActionNone()) {
nativeEvent.preventDefault();
}
const touch = nativeEvent.changedTouches[0];
if (touch != null) {
// A number that uniquely identifies the current finger in the touch session.
touchId.current = touch.identifier;
}
const finger = trackFinger(nativeEvent, touchId);
const { newValue, activeIndex } = getFingerNewValue({ finger, values, source: valueDerived });
focusThumb({ sliderRef, activeIndex, setActive });
setValueState(newValue);
if (handleChange) {
handleChange(nativeEvent, newValue, activeIndex);
}
moveCount.current = 0;
const doc = ownerDocument(sliderRef.current);
doc.addEventListener('touchmove', handleTouchMove);
doc.addEventListener('touchend', handleTouchEnd);
});
const stopListening = React.useCallback(() => {
const doc = ownerDocument(sliderRef.current);
doc.removeEventListener('mousemove', handleTouchMove);
doc.removeEventListener('mouseup', handleTouchEnd);
doc.removeEventListener('touchmove', handleTouchMove);
doc.removeEventListener('touchend', handleTouchEnd);
}, [handleTouchEnd, handleTouchMove]);
React.useEffect(() => {
const { current: slider } = sliderRef;
slider.addEventListener('touchstart', handleTouchStart, {
passive: doesSupportTouchActionNone(),
});
return () => {
slider.removeEventListener('touchstart', handleTouchStart, {
passive: doesSupportTouchActionNone(),
});
stopListening();
};
}, [stopListening, handleTouchStart]);
React.useEffect(() => {
if (disabled) {
stopListening();
}
}, [disabled, stopListening]);
const handleMouseDown = useEventCallback((event) => {
if (onMouseDown) {
onMouseDown(event);
}
// Only handle left clicks
if (event.button !== 0) {
return;
}
// Avoid text selection
event.preventDefault();
const finger = trackFinger(event, touchId);
const { newValue, activeIndex } = getFingerNewValue({ finger, values, source: valueDerived });
focusThumb({ sliderRef, activeIndex, setActive });
setValueState(newValue);
if (handleChange) {
handleChange(event, newValue, activeIndex);
}
moveCount.current = 0;
const doc = ownerDocument(sliderRef.current);
doc.addEventListener('mousemove', handleTouchMove);
doc.addEventListener('mouseup', handleTouchEnd);
});
const trackOffset = valueToPercent(range ? values[0] : min, min, max);
const trackLeap = valueToPercent(values[values.length - 1], min, max) - trackOffset;
const trackStyle = {
...axisProps[axis].offset(trackOffset),
...axisProps[axis].leap(trackLeap),
};
const Root = components.Root || component;
const rootProps = componentsProps.root || {};
const Rail = components.Rail || 'span';
const railProps = componentsProps.rail || {};
const Track = components.Track || 'span';
const trackProps = componentsProps.track || {};
const Thumb = components.Thumb || 'span';
const thumbProps = componentsProps.thumb || {};
const ValueLabel = components.ValueLabel || SliderValueLabelUnstyled;
const valueLabelProps = componentsProps.valueLabel || {};
const Mark = components.Mark || 'span';
const markProps = componentsProps.mark || {};
const MarkLabel = components.MarkLabel || 'span';
const markLabelProps = componentsProps.markLabel || {};
// all props with defaults
// consider extracting to hook an reusing the lint rule for the varints
const styleProps = {
...props,
classes: classesProp,
disabled,
dragging,
isRtl,
marked: marks.length > 0 && marks.some((mark) => mark.label),
max,
min,
orientation,
scale,
step,
track,
valueLabelDisplay,
valueLabelFormat,
};
const classes = useUtilityClasses(styleProps);
return (
<Root
ref={handleRef}
onMouseDown={handleMouseDown}
{...rootProps}
{...(!isHostComponent(Root) && {
as: component,
styleProps: { ...styleProps, ...rootProps.styleProps },
theme,
})}
{...other}
className={clsx(classes.root, rootProps.className, className)}
>
<Rail
{...railProps}
{...(!isHostComponent(Rail) && {
styleProps: { ...styleProps, ...railProps.styleProps },
theme,
})}
className={clsx(classes.rail, railProps.className)}
/>
<Track
{...trackProps}
{...(!isHostComponent(Track) && {
styleProps: { ...styleProps, ...trackProps.styleProps },
theme,
})}
className={clsx(classes.track, trackProps.className)}
style={{ ...trackStyle, ...trackProps.style }}
/>
{marks.map((mark, index) => {
const percent = valueToPercent(mark.value, min, max);
const style = axisProps[axis].offset(percent);
let markActive;
if (track === false) {
markActive = values.indexOf(mark.value) !== -1;
} else {
markActive =
(track === 'normal' &&
(range
? mark.value >= values[0] && mark.value <= values[values.length - 1]
: mark.value <= values[0])) ||
(track === 'inverted' &&
(range
? mark.value <= values[0] || mark.value >= values[values.length - 1]
: mark.value >= values[0]));
}
return (
<React.Fragment key={mark.value}>
<Mark
data-index={index}
{...markProps}
{...(!isHostComponent(Mark) && {
styleProps: { ...styleProps, ...markProps.styleProps, markActive },
theme,
})}
style={{ ...style, ...markProps.style }}
className={clsx(classes.mark, markProps.className, {
[classes.markActive]: markActive,
})}
/>
{mark.label != null ? (
<MarkLabel
aria-hidden
data-index={index}
{...markLabelProps}
{...(!isHostComponent(MarkLabel) && {
styleProps: {
...styleProps,
...markLabelProps.styleProps,
markLabelActive: markActive,
},
theme,
})}
style={{ ...style, ...markLabelProps.style }}
className={clsx(classes.markLabel, markLabelProps.className, {
[classes.markLabelActive]: markActive,
})}
>
{mark.label}
</MarkLabel>
) : null}
</React.Fragment>
);
})}
{values.map((value, index) => {
const percent = valueToPercent(value, min, max);
const style = axisProps[axis].offset(percent);
const ValueLabelComponent = valueLabelDisplay === 'off' ? Forward : ValueLabel;
return (
<React.Fragment key={index}>
<ValueLabelComponent
valueLabelFormat={valueLabelFormat}
valueLabelDisplay={valueLabelDisplay}
value={
typeof valueLabelFormat === 'function'
? valueLabelFormat(scale(value), index)
: valueLabelFormat
}
index={index}
open={open === index || active === index || valueLabelDisplay === 'on'}
disabled={disabled}
{...valueLabelProps}
className={clsx(classes.valueLabel, valueLabelProps.className)}
{...(!isHostComponent(ValueLabel) && {
styleProps: { ...styleProps, ...valueLabelProps.styleProps },
theme,
})}
>
<Thumb
data-index={index}
onMouseOver={handleMouseOver}
onMouseLeave={handleMouseLeave}
{...thumbProps}
className={clsx(classes.thumb, thumbProps.className, {
[classes.active]: active === index,
[classes.focusVisible]: focusVisible === index,
})}
{...(!isHostComponent(Thumb) && {
styleProps: { ...styleProps, ...thumbProps.styleProps },
theme,
})}
style={{
...style,
pointerEvents: disableSwap && active !== index ? 'none' : undefined,
...thumbProps.style,
}}
>
<input
tabIndex={tabIndex}
data-index={index}
aria-label={getAriaLabel ? getAriaLabel(index) : ariaLabel}
aria-labelledby={ariaLabelledby}
aria-orientation={orientation}
aria-valuemax={scale(max)}
aria-valuemin={scale(min)}
aria-valuenow={scale(value)}
aria-valuetext={
getAriaValueText ? getAriaValueText(scale(value), index) : ariaValuetext
}
onFocus={handleFocus}
onBlur={handleBlur}
name={name}
type="range"
min={props.min}
max={props.max}
step={props.step}
disabled={disabled}
value={values[index]}
onChange={handleHiddenInputChange}
style={{
...visuallyHidden,
direction: isRtl ? 'rtl' : 'ltr',
// So that VoiceOver's focus indicator matches the thumb's dimensions
width: '100%',
height: '100%',
}}
/>
</Thumb>
</ValueLabelComponent>
</React.Fragment>
);
})}
</Root>
);
});
SliderUnstyled.propTypes /* remove-proptypes */ = {
// ----------------------------- Warning --------------------------------
// | These PropTypes are generated from the TypeScript type definitions |
// | To update them edit the d.ts file and run "yarn proptypes" |
// ----------------------------------------------------------------------
/**
* The label of the slider.
*/
'aria-label': chainPropTypes(PropTypes.string, (props) => {
const range = Array.isArray(props.value || props.defaultValue);
if (range && props['aria-label'] != null) {
return new Error(
'Material-UI: You need to use the `getAriaLabel` prop instead of `aria-label` when using a range slider.',
);
}
return null;
}),
/**
* The id of the element containing a label for the slider.
*/
'aria-labelledby': PropTypes.string,
/**
* A string value that provides a user-friendly name for the current value of the slider.
*/
'aria-valuetext': chainPropTypes(PropTypes.string, (props) => {
const range = Array.isArray(props.value || props.defaultValue);
if (range && props['aria-valuetext'] != null) {
return new Error(
'Material-UI: You need to use the `getAriaValueText` prop instead of `aria-valuetext` when using a range slider.',
);
}
return null;
}),
/**
* @ignore
*/
children: PropTypes.node,
/**
* Override or extend the styles applied to the component.
*/
classes: PropTypes.object,
/**
* @ignore
*/
className: PropTypes.string,
/**
* The component used for the root node.
* Either a string to use a HTML element or a component.
*/
component: PropTypes.elementType,
/**
* The components used for each slot inside the Slider.
* Either a string to use a HTML element or a component.
* @default {}
*/
components: PropTypes.shape({
Mark: PropTypes.elementType,
MarkLabel: PropTypes.elementType,
Rail: PropTypes.elementType,
Root: PropTypes.elementType,
Thumb: PropTypes.elementType,
Track: PropTypes.elementType,
ValueLabel: PropTypes.elementType,
}),
/**
* The props used for each slot inside the Slider.
* @default {}
*/
componentsProps: PropTypes.object,
/**
* The default value. Use when the component is not controlled.
*/
defaultValue: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.number), PropTypes.number]),
/**
* If `true`, the component is disabled.
* @default false
*/
disabled: PropTypes.bool,
/**
* If `true`, the active thumb doesn't swap when moving pointer over a thumb while dragging another thumb.
* @default false
*/
disableSwap: PropTypes.bool,
/**
* Accepts a function which returns a string value that provides a user-friendly name for the thumb labels of the slider.
* This is important for screen reader users.
* @param {number} index The thumb label's index to format.
* @returns {string}
*/
getAriaLabel: PropTypes.func,
/**
* Accepts a function which returns a string value that provides a user-friendly name for the current value of the slider.
* This is important for screen reader users.
* @param {number} value The thumb label's value to format.
* @param {number} index The thumb label's index to format.
* @returns {string}
*/
getAriaValueText: PropTypes.func,
/**
* Indicates whether the theme context has rtl direction. It is set automatically.
* @default false
*/
isRtl: PropTypes.bool,
/**
* Marks indicate predetermined values to which the user can move the slider.
* If `true` the marks are spaced according the value of the `step` prop.
* If an array, it should contain objects with `value` and an optional `label` keys.
* @default false
*/
marks: PropTypes.oneOfType([
PropTypes.arrayOf(
PropTypes.shape({
label: PropTypes.node,
value: PropTypes.number.isRequired,
}),
),
PropTypes.bool,
]),
/**
* The maximum allowed value of the slider.
* Should not be equal to min.
* @default 100
*/
max: PropTypes.number,
/**
* The minimum allowed value of the slider.
* Should not be equal to max.
* @default 0
*/
min: PropTypes.number,
/**
* Name attribute of the hidden `input` element.
*/
name: PropTypes.string,
/**
* Callback function that is fired when the slider's value changed.
*
* @param {object} event The event source of the callback.
* You can pull out the new value by accessing `event.target.value` (any).
* **Warning**: This is a generic event not a change event.
* @param {number | number[]} value The new value.
* @param {number} activeThumb Index of the currently moved thumb.
*/
onChange: PropTypes.func,
/**
* Callback function that is fired when the `mouseup` is triggered.
*
* @param {object} event The event source of the callback. **Warning**: This is a generic event not a change event.
* @param {number | number[]} value The new value.
*/
onChangeCommitted: PropTypes.func,
/**
* @ignore
*/
onMouseDown: PropTypes.func,
/**
* The component orientation.
* @default 'horizontal'
*/
orientation: PropTypes.oneOf(['horizontal', 'vertical']),
/**
* A transformation function, to change the scale of the slider.
* @default (x) => x
*/
scale: PropTypes.func,
/**
* The granularity with which the slider can step through values. (A "discrete" slider.)
* The `min` prop serves as the origin for the valid values.
* We recommend (max - min) to be evenly divisible by the step.
*
* When step is `null`, the thumb can only be slid onto marks provided with the `marks` prop.
* @default 1
*/
step: PropTypes.number,
/**
* Tab index attribute of the hidden `input` element.
*/
tabIndex: PropTypes.number,
/**
* The track presentation:
*
* - `normal` the track will render a bar representing the slider value.
* - `inverted` the track will render a bar representing the remaining slider value.
* - `false` the track will render without a bar.
* @default 'normal'
*/
track: PropTypes.oneOf(['inverted', 'normal', false]),
/**
* The value of the slider.