'use client'; import _extends from "@babel/runtime/helpers/esm/extends"; import * as React from 'react'; import { unstable_ownerDocument as ownerDocument, unstable_useControlled as useControlled, unstable_useEnhancedEffect as useEnhancedEffect, unstable_useEventCallback as useEventCallback, unstable_useForkRef as useForkRef, unstable_useIsFocusVisible as useIsFocusVisible, visuallyHidden, clamp } from '@mui/utils'; import { areArraysEqual, extractEventHandlers } from '../utils'; const INTENTIONAL_DRAG_COUNT_THRESHOLD = 2; function asc(a, b) { return a - b; } function findClosest(values, currentValue) { var _values$reduce; const { index: closestIndex } = (_values$reduce = 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)) != null ? _values$reduce : {}; return closestIndex; } function trackFinger(event, touchId) { // The event is TouchEvent if (touchId.current !== undefined && event.changedTouches) { const touchEvent = event; for (let i = 0; i < touchEvent.changedTouches.length; i += 1) { const touch = touchEvent.changedTouches[i]; if (touch.identifier === touchId.current) { return { x: touch.clientX, y: touch.clientY }; } } return false; } // The event is MouseEvent return { x: event.clientX, y: event.clientY }; } export function valueToPercent(value, min, max) { return (value - min) * 100 / (max - min); } function percentToValue(percent, min, max) { return (max - min) * percent + min; } function getDecimalPrecision(num) { // This handles the case when num is very small (0.00000001), js will turn this into 1e-8. // When num is bigger than 1 or less than -1 it won't get converted to this notation so it's fine. if (Math.abs(num) < 1) { const parts = num.toExponential().split('e-'); const matissaDecimalPart = parts[0].split('.')[1]; return (matissaDecimalPart ? matissaDecimalPart.length : 0) + parseInt(parts[1], 10); } const decimalPart = num.toString().split('.')[1]; return decimalPart ? decimalPart.length : 0; } function roundValueToStep(value, step, min) { const nearest = Math.round((value - min) / step) * step + min; return Number(nearest.toFixed(getDecimalPrecision(step))); } function setValueIndex({ values, newValue, index }) { const output = values.slice(); output[index] = newValue; return output.sort(asc); } function focusThumb({ sliderRef, activeIndex, setActive }) { var _sliderRef$current, _doc$activeElement; const doc = ownerDocument(sliderRef.current); if (!((_sliderRef$current = sliderRef.current) != null && _sliderRef$current.contains(doc.activeElement)) || Number(doc == null || (_doc$activeElement = doc.activeElement) == null ? void 0 : _doc$activeElement.getAttribute('data-index')) !== activeIndex) { var _sliderRef$current2; (_sliderRef$current2 = sliderRef.current) == null || _sliderRef$current2.querySelector(`[type="range"][data-index="${activeIndex}"]`).focus(); } if (setActive) { setActive(activeIndex); } } function areValuesEqual(newValue, oldValue) { if (typeof newValue === 'number' && typeof oldValue === 'number') { return newValue === oldValue; } if (typeof newValue === 'object' && typeof oldValue === 'object') { return areArraysEqual(newValue, oldValue); } return false; } const axisProps = { horizontal: { offset: percent => ({ left: `${percent}%` }), leap: percent => ({ width: `${percent}%` }) }, 'horizontal-reverse': { offset: percent => ({ right: `${percent}%` }), leap: percent => ({ width: `${percent}%` }) }, vertical: { offset: percent => ({ bottom: `${percent}%` }), leap: percent => ({ height: `${percent}%` }) } }; export 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. // Utilizing the CSS.supports method to check if touch-action is supported. // Since CSS.supports is supported on all but Edge@12 and IE and touch-action // is supported on both Edge@12 and IE if CSS.supports is not available that means that // touch-action will be supported let cachedSupportsTouchActionNone; function doesSupportTouchActionNone() { if (cachedSupportsTouchActionNone === undefined) { if (typeof CSS !== 'undefined' && typeof CSS.supports === 'function') { cachedSupportsTouchActionNone = CSS.supports('touch-action', 'none'); } else { cachedSupportsTouchActionNone = true; } } return cachedSupportsTouchActionNone; } /** * * Demos: * * - [Slider](https://mui.com/base-ui/react-slider/#hook) * * API: * * - [useSlider API](https://mui.com/base-ui/react-slider/hooks-api/#use-slider) */ export function useSlider(parameters) { const { 'aria-labelledby': ariaLabelledby, defaultValue, disabled = false, disableSwap = false, isRtl = false, marks: marksProp = false, max = 100, min = 0, name, onChange, onChangeCommitted, orientation = 'horizontal', rootRef: ref, scale = Identity, step = 1, shiftStep = 10, tabIndex, value: valueProp } = parameters; 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 != null ? 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/material-ui/issues/13485#issuecomment-676048492 // Clone the event to not override `target` of the original event. const nativeEvent = event.nativeEvent || event; // @ts-ignore The nativeEvent is function, not object 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 => value == null ? min : 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 marksValues = marks.map(mark => mark.value); const { isFocusVisibleRef, onBlur: handleBlurVisible, onFocus: handleFocusVisible, ref: focusVisibleRef } = useIsFocusVisible(); const [focusedThumbIndex, setFocusedThumbIndex] = React.useState(-1); const sliderRef = React.useRef(); const handleFocusRef = useForkRef(focusVisibleRef, sliderRef); const handleRef = useForkRef(ref, handleFocusRef); const createHandleHiddenInputFocus = otherHandlers => event => { var _otherHandlers$onFocu; const index = Number(event.currentTarget.getAttribute('data-index')); handleFocusVisible(event); if (isFocusVisibleRef.current === true) { setFocusedThumbIndex(index); } setOpen(index); otherHandlers == null || (_otherHandlers$onFocu = otherHandlers.onFocus) == null || _otherHandlers$onFocu.call(otherHandlers, event); }; const createHandleHiddenInputBlur = otherHandlers => event => { var _otherHandlers$onBlur; handleBlurVisible(event); if (isFocusVisibleRef.current === false) { setFocusedThumbIndex(-1); } setOpen(-1); otherHandlers == null || (_otherHandlers$onBlur = otherHandlers.onBlur) == null || _otherHandlers$onBlur.call(otherHandlers, event); }; const changeValue = (event, valueInput) => { const index = Number(event.currentTarget.getAttribute('data-index')); const value = values[index]; const marksIndex = marksValues.indexOf(value); let newValue = valueInput; if (marks && step == null) { const maxMarksValue = marksValues[marksValues.length - 1]; if (newValue > maxMarksValue) { newValue = maxMarksValue; } else if (newValue < marksValues[0]) { newValue = marksValues[0]; } else { newValue = newValue < value ? marksValues[marksIndex - 1] : marksValues[marksIndex + 1]; } } newValue = clamp(newValue, min, max); if (range) { // Bound the new value to the thumb's neighbours. if (disableSwap) { newValue = clamp(newValue, values[index - 1] || -Infinity, values[index + 1] || Infinity); } const previousValue = newValue; newValue = setValueIndex({ values, newValue, index }); let activeIndex = index; // Potentially swap the index if needed. if (!disableSwap) { activeIndex = newValue.indexOf(previousValue); } focusThumb({ sliderRef, activeIndex }); } setValueState(newValue); setFocusedThumbIndex(index); if (handleChange && !areValuesEqual(newValue, valueDerived)) { handleChange(event, newValue, index); } if (onChangeCommitted) { onChangeCommitted(event, newValue); } }; const createHandleHiddenInputKeyDown = otherHandlers => event => { var _otherHandlers$onKeyD; // The Shift + Up/Down keyboard shortcuts for moving the slider makes sense to be supported // only if the step is defined. If the step is null, this means tha the marks are used for specifying the valid values. if (step !== null) { const index = Number(event.currentTarget.getAttribute('data-index')); const value = values[index]; let newValue = null; if ((event.key === 'ArrowLeft' || event.key === 'ArrowDown') && event.shiftKey || event.key === 'PageDown') { newValue = Math.max(value - shiftStep, min); } else if ((event.key === 'ArrowRight' || event.key === 'ArrowUp') && event.shiftKey || event.key === 'PageUp') { newValue = Math.min(value + shiftStep, max); } if (newValue !== null) { changeValue(event, newValue); event.preventDefault(); } } otherHandlers == null || (_otherHandlers$onKeyD = otherHandlers.onKeyDown) == null || _otherHandlers$onKeyD.call(otherHandlers, event); }; useEnhancedEffect(() => { if (disabled && sliderRef.current.contains(document.activeElement)) { var _document$activeEleme; // This is necessary because Firefox and Safari will keep focus // on a disabled element: // https://codesandbox.io/p/sandbox/mui-pr-22247-forked-h151h?file=/src/App.js // @ts-ignore (_document$activeEleme = document.activeElement) == null || _document$activeEleme.blur(); } }, [disabled]); if (disabled && active !== -1) { setActive(-1); } if (disabled && focusedThumbIndex !== -1) { setFocusedThumbIndex(-1); } const createHandleHiddenInputChange = otherHandlers => event => { var _otherHandlers$onChan; (_otherHandlers$onChan = otherHandlers.onChange) == null || _otherHandlers$onChan.call(otherHandlers, event); // @ts-ignore changeValue(event, event.target.valueAsNumber); }; const previousIndex = React.useRef(); let axis = orientation; if (isRtl && orientation === 'horizontal') { axis += '-reverse'; } const getFingerNewValue = ({ finger, move = false }) => { 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 closestIndex = findClosest(marksValues, newValue); newValue = marksValues[closestIndex]; } newValue = clamp(newValue, min, max); let activeIndex = 0; if (range) { if (!move) { activeIndex = findClosest(values, newValue); } else { activeIndex = previousIndex.current; } // Bound the new value to the thumb's neighbours. if (disableSwap) { newValue = clamp(newValue, values[activeIndex - 1] || -Infinity, values[activeIndex + 1] || Infinity); } const previousValue = newValue; newValue = setValueIndex({ values, newValue, index: activeIndex }); // 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. // @ts-ignore buttons doesn't not exists on touch event 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 }); focusThumb({ sliderRef, activeIndex, setActive }); setValueState(newValue); if (!dragging && moveCount.current > INTENTIONAL_DRAG_COUNT_THRESHOLD) { setDragging(true); } if (handleChange && !areValuesEqual(newValue, valueDerived)) { handleChange(nativeEvent, newValue, activeIndex); } }); const handleTouchEnd = useEventCallback(nativeEvent => { const finger = trackFinger(nativeEvent, touchId); setDragging(false); if (!finger) { return; } const { newValue } = getFingerNewValue({ finger, move: true }); 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 (disabled) { return; } // 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); if (finger !== false) { const { newValue, activeIndex } = getFingerNewValue({ finger }); focusThumb({ sliderRef, activeIndex, setActive }); setValueState(newValue); if (handleChange && !areValuesEqual(newValue, valueDerived)) { handleChange(nativeEvent, newValue, activeIndex); } } moveCount.current = 0; const doc = ownerDocument(sliderRef.current); doc.addEventListener('touchmove', handleTouchMove, { passive: true }); doc.addEventListener('touchend', handleTouchEnd, { passive: true }); }); 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); stopListening(); }; }, [stopListening, handleTouchStart]); React.useEffect(() => { if (disabled) { stopListening(); } }, [disabled, stopListening]); const createHandleMouseDown = otherHandlers => event => { var _otherHandlers$onMous; (_otherHandlers$onMous = otherHandlers.onMouseDown) == null || _otherHandlers$onMous.call(otherHandlers, event); if (disabled) { return; } if (event.defaultPrevented) { return; } // Only handle left clicks if (event.button !== 0) { return; } // Avoid text selection event.preventDefault(); const finger = trackFinger(event, touchId); if (finger !== false) { const { newValue, activeIndex } = getFingerNewValue({ finger }); focusThumb({ sliderRef, activeIndex, setActive }); setValueState(newValue); if (handleChange && !areValuesEqual(newValue, valueDerived)) { handleChange(event, newValue, activeIndex); } } moveCount.current = 0; const doc = ownerDocument(sliderRef.current); doc.addEventListener('mousemove', handleTouchMove, { passive: true }); doc.addEventListener('mouseup', handleTouchEnd); }; const trackOffset = valueToPercent(range ? values[0] : min, min, max); const trackLeap = valueToPercent(values[values.length - 1], min, max) - trackOffset; const getRootProps = (externalProps = {}) => { const externalHandlers = extractEventHandlers(externalProps); const ownEventHandlers = { onMouseDown: createHandleMouseDown(externalHandlers || {}) }; const mergedEventHandlers = _extends({}, externalHandlers, ownEventHandlers); return _extends({}, externalProps, { ref: handleRef }, mergedEventHandlers); }; const createHandleMouseOver = otherHandlers => event => { var _otherHandlers$onMous2; (_otherHandlers$onMous2 = otherHandlers.onMouseOver) == null || _otherHandlers$onMous2.call(otherHandlers, event); const index = Number(event.currentTarget.getAttribute('data-index')); setOpen(index); }; const createHandleMouseLeave = otherHandlers => event => { var _otherHandlers$onMous3; (_otherHandlers$onMous3 = otherHandlers.onMouseLeave) == null || _otherHandlers$onMous3.call(otherHandlers, event); setOpen(-1); }; const getThumbProps = (externalProps = {}) => { const externalHandlers = extractEventHandlers(externalProps); const ownEventHandlers = { onMouseOver: createHandleMouseOver(externalHandlers || {}), onMouseLeave: createHandleMouseLeave(externalHandlers || {}) }; return _extends({}, externalProps, externalHandlers, ownEventHandlers); }; const getThumbStyle = index => { return { // So the non active thumb doesn't show its label on hover. pointerEvents: active !== -1 && active !== index ? 'none' : undefined }; }; const getHiddenInputProps = (externalProps = {}) => { var _parameters$step; const externalHandlers = extractEventHandlers(externalProps); const ownEventHandlers = { onChange: createHandleHiddenInputChange(externalHandlers || {}), onFocus: createHandleHiddenInputFocus(externalHandlers || {}), onBlur: createHandleHiddenInputBlur(externalHandlers || {}), onKeyDown: createHandleHiddenInputKeyDown(externalHandlers || {}) }; const mergedEventHandlers = _extends({}, externalHandlers, ownEventHandlers); return _extends({ tabIndex, 'aria-labelledby': ariaLabelledby, 'aria-orientation': orientation, 'aria-valuemax': scale(max), 'aria-valuemin': scale(min), name, type: 'range', min: parameters.min, max: parameters.max, step: parameters.step === null && parameters.marks ? 'any' : (_parameters$step = parameters.step) != null ? _parameters$step : undefined, disabled }, externalProps, mergedEventHandlers, { style: _extends({}, visuallyHidden, { direction: isRtl ? 'rtl' : 'ltr', // So that VoiceOver's focus indicator matches the thumb's dimensions width: '100%', height: '100%' }) }); }; return { active, axis: axis, axisProps, dragging, focusedThumbIndex, getHiddenInputProps, getRootProps, getThumbProps, marks: marks, open, range, rootRef: handleRef, trackLeap, trackOffset, values, getThumbStyle }; }