mirror of
https://github.com/fluxerapp/fluxer
synced 2026-10-17 21:15:32 +09:00
337 lines
11 KiB
TypeScript
337 lines
11 KiB
TypeScript
// SPDX-License-Identifier: AGPL-3.0-or-later
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import styles from '@app/features/ui/components/Slider.module.css';
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import {buildMarkerState, clamp, snapValueToMarker} from '@app/features/ui/components/slider/SliderMath';
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import {SliderResetControls} from '@app/features/ui/components/slider/SliderResetControls';
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import {SliderTooltipPortal} from '@app/features/ui/components/slider/SliderTooltipPortal';
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import type {SliderProps} from '@app/features/ui/components/slider/SliderTypes';
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import {useSliderTooltip} from '@app/features/ui/components/slider/useSliderTooltip';
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import KeyboardMode from '@app/features/ui/state/KeyboardMode';
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import {Slider as BaseSlider} from '@base-ui/react/slider';
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import {msg} from '@lingui/core/macro';
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import {useLingui} from '@lingui/react/macro';
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import {clsx} from 'clsx';
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import React, {useCallback, useEffect, useMemo, useRef, useState} from 'react';
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export type {SliderProps} from '@app/features/ui/components/slider/SliderTypes';
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export const RESET_SLIDER_TO_DEFAULT_VALUE_DESCRIPTOR = msg({
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message: 'Reset slider to default value',
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comment: 'Accessible label for a button that resets a slider to its default value.',
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});
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const SLIDER_VALUE_DESCRIPTOR = msg({
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message: 'Slider value',
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comment: 'Accessible label announcing the current slider value.',
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});
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function getSingleValue(value: number | ReadonlyArray<number>): number {
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return typeof value === 'number' ? value : (value[0] ?? 0);
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}
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export const Slider = React.forwardRef<HTMLDivElement, SliderProps>(
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(
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{
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defaultValue = 10,
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factoryDefaultValue,
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minValue = 0,
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maxValue = 100,
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disabled = false,
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equidistant = false,
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markers,
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className,
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ariaLabel,
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stickToMarkers = false,
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mini = false,
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markerPosition = 'above',
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orientation = 'horizontal',
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onValueChange,
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onValueRender,
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onMarkerRender,
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asValueChanges,
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onPointerInteractionChange,
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stopEventPropagation = false,
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barStyles = {},
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fillStyles = {},
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ariaLabelledBy,
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ariaValueText,
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children,
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value: controlledValue,
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step,
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showResetButton = false,
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onReset,
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resetTooltip,
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resetButtonPlacement = 'inline',
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resetLabel,
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resetAccessory,
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},
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ref,
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) => {
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const {i18n} = useLingui();
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const thumbRef = useRef<HTMLDivElement>(null);
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const thumbInputRef = useRef<HTMLInputElement>(null);
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const pointerInteractionRef = useRef(false);
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const [uncontrolledValue, setUncontrolledValue] = useState(defaultValue);
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const [showTooltip, setShowTooltip] = useState(false);
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const [isPointerInteracting, setIsPointerInteracting] = useState(false);
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const rawValue = controlledValue !== undefined ? controlledValue : uncontrolledValue;
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const markerState = useMemo(
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() => buildMarkerState({markers, minValue, maxValue, value: rawValue, equidistant}),
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[equidistant, markers, maxValue, minValue, rawValue],
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);
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const range = markerState.max - markerState.min;
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const baseMin = markerState.min;
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const baseMax = range > 0 ? markerState.max : markerState.min + 1;
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const resolvedStep = step ?? Math.max((baseMax - baseMin) / 100, Number.EPSILON);
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const normalizeValue = useCallback(
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(nextValue: number) => {
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const boundedValue = clamp(nextValue, markerState.min, markerState.max);
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return stickToMarkers ? snapValueToMarker(boundedValue, markerState) : boundedValue;
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},
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[markerState, stickToMarkers],
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);
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const value = normalizeValue(rawValue);
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const isAtFactoryDefault = factoryDefaultValue !== undefined && value === factoryDefaultValue;
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const canReset = showResetButton && !isAtFactoryDefault && !disabled;
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const inlineResetLabel = resetTooltip ?? i18n._(RESET_SLIDER_TO_DEFAULT_VALUE_DESCRIPTOR);
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const belowResetLabel = resetLabel ?? resetTooltip ?? i18n._(RESET_SLIDER_TO_DEFAULT_VALUE_DESCRIPTOR);
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const tooltip = useSliderTooltip({
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showTooltip,
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value,
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isDragging: isPointerInteracting,
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thumbRef,
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});
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const endPointerInteraction = useCallback(() => {
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if (!pointerInteractionRef.current) return;
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pointerInteractionRef.current = false;
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setIsPointerInteracting(false);
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setShowTooltip(false);
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onPointerInteractionChange?.(false);
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document.dispatchEvent(new CustomEvent('slider-drag-end'));
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}, [onPointerInteractionChange]);
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const beginPointerInteraction = useCallback(() => {
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if (pointerInteractionRef.current) return;
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pointerInteractionRef.current = true;
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setIsPointerInteracting(true);
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setShowTooltip(true);
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onPointerInteractionChange?.(true);
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document.dispatchEvent(new CustomEvent('slider-drag-start'));
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}, [onPointerInteractionChange]);
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const commitControlledValue = useCallback(
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(newValue: number) => {
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if (controlledValue === undefined) {
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setUncontrolledValue(newValue);
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}
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if (asValueChanges) {
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asValueChanges(newValue);
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} else {
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onValueChange?.(newValue);
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}
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},
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[asValueChanges, controlledValue, onValueChange],
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);
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const handleBaseValueChange = useCallback(
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(newValue: number | ReadonlyArray<number>) => {
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commitControlledValue(normalizeValue(getSingleValue(newValue)));
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},
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[commitControlledValue, normalizeValue],
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);
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const handleBaseValueCommitted = useCallback(
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(newValue: number | ReadonlyArray<number>) => {
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const nextValue = normalizeValue(getSingleValue(newValue));
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if (asValueChanges) {
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onValueChange?.(nextValue);
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}
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endPointerInteraction();
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},
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[asValueChanges, endPointerInteraction, normalizeValue, onValueChange],
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);
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const handleControlPointerDownCapture = useCallback(
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(event: React.PointerEvent<HTMLDivElement>) => {
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if (disabled || event.button !== 0) return;
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const target = event.target;
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if (target instanceof HTMLElement && target.closest('button')) return;
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beginPointerInteraction();
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},
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[beginPointerInteraction, disabled],
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);
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const handleThumbPointerEnter = useCallback(() => {
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setShowTooltip(true);
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}, []);
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const handleThumbPointerLeave = useCallback(() => {
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if (!pointerInteractionRef.current) {
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setShowTooltip(false);
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}
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}, []);
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const handleThumbFocus = useCallback(() => {
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if (KeyboardMode.keyboardModeEnabled) {
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setShowTooltip(true);
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}
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}, []);
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const handleThumbBlur = useCallback(() => {
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if (!pointerInteractionRef.current) {
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setShowTooltip(false);
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}
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}, []);
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const handleThumbKeyDown = useCallback(() => {
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setShowTooltip(true);
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}, []);
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const handleReset = useCallback(() => {
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if (disabled || factoryDefaultValue === undefined) return;
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const resetValue = normalizeValue(factoryDefaultValue);
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if (onReset) {
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onReset();
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} else {
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setUncontrolledValue(resetValue);
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onValueChange?.(resetValue);
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}
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thumbInputRef.current?.focus({preventScroll: true});
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}, [disabled, factoryDefaultValue, normalizeValue, onReset, onValueChange]);
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const handleRootEventPropagation = useCallback(
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(event: React.SyntheticEvent<HTMLDivElement>) => {
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if (stopEventPropagation) {
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event.stopPropagation();
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}
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},
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[stopEventPropagation],
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);
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useEffect(() => {
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setUncontrolledValue(defaultValue);
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}, [defaultValue]);
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useEffect(() => {
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if (!isPointerInteracting) return;
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document.addEventListener('pointerup', endPointerInteraction, true);
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document.addEventListener('pointercancel', endPointerInteraction, true);
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window.addEventListener('blur', endPointerInteraction);
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return () => {
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document.removeEventListener('pointerup', endPointerInteraction, true);
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document.removeEventListener('pointercancel', endPointerInteraction, true);
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window.removeEventListener('blur', endPointerInteraction);
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};
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}, [endPointerInteraction, isPointerInteracting]);
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useEffect(() => {
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if (disabled) {
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endPointerInteraction();
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}
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}, [disabled, endPointerInteraction]);
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const hasMarks = markerState.markerPositions.length > 0;
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const sliderLabel = ariaLabel ?? i18n._(SLIDER_VALUE_DESCRIPTOR);
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const renderedSlider = (
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<BaseSlider.Root
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className={clsx(
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styles.slider,
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mini && styles.mini,
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orientation === 'vertical' && styles.vertical,
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hasMarks && styles.hasMarks,
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markerPosition === 'below' ? styles.marksBelow : styles.marksAbove,
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className,
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)}
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value={value}
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min={baseMin}
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max={baseMax}
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step={resolvedStep}
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largeStep={resolvedStep * 10}
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orientation={orientation}
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disabled={disabled}
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onValueChange={handleBaseValueChange}
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onValueCommitted={handleBaseValueCommitted}
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onPointerDown={handleRootEventPropagation}
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onClick={handleRootEventPropagation}
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data-dragging={isPointerInteracting ? '' : undefined}
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data-flx="ui.slider.base-slider.root"
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>
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{hasMarks ? (
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<div className={styles.marks} aria-hidden="true" data-flx="ui.slider.marks">
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{markerState.markerPositions.map((position, i) => {
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const markerValue = markerState.sortedMarkers[i];
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const renderedValue = onMarkerRender ? onMarkerRender(markerValue) : markerValue;
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const isFactoryDefaultValue = markerValue === factoryDefaultValue;
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return (
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<div
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key={`${markerValue}-${i}`}
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className={clsx(
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styles.mark,
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i === 0 && styles.markEndpointStart,
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i === markerState.markerPositions.length - 1 && i !== 0 && styles.markEndpointEnd,
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isFactoryDefaultValue && styles.defaultValue,
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)}
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style={{left: `${position}%`}}
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data-flx="ui.slider.mark"
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>
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<div className={styles.markValue} data-flx="ui.slider.mark-value">
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{renderedValue}
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</div>
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{renderedValue != null ? <div className={styles.markDash} data-flx="ui.slider.mark-dash" /> : null}
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</div>
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);
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})}
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</div>
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) : null}
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<BaseSlider.Control
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className={styles.sliderControl}
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onPointerDownCapture={handleControlPointerDownCapture}
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data-flx="ui.slider.base-slider.control.pointer-down"
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>
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<BaseSlider.Track className={styles.track} style={barStyles} data-flx="ui.slider.base-slider.track">
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<BaseSlider.Indicator
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className={styles.barFill}
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style={fillStyles}
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data-flx="ui.slider.base-slider.indicator"
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/>
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{children}
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<BaseSlider.Thumb
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ref={thumbRef}
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inputRef={thumbInputRef}
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className={styles.grabber}
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aria-label={ariaLabelledBy ? undefined : sliderLabel}
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aria-labelledby={ariaLabelledBy}
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getAriaValueText={ariaValueText ? () => ariaValueText : undefined}
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onPointerEnter={handleThumbPointerEnter}
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onPointerLeave={handleThumbPointerLeave}
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onFocus={handleThumbFocus}
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onBlur={handleThumbBlur}
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onKeyDown={handleThumbKeyDown}
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data-slider-thumb="true"
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data-flx="ui.slider.base-slider.thumb"
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/>
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</BaseSlider.Track>
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</BaseSlider.Control>
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</BaseSlider.Root>
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);
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const track = (
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<div className={styles.sliderFrame} data-flx="ui.slider.slider-frame">
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{renderedSlider}
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</div>
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);
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const sliderControl = showResetButton ? (
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<SliderResetControls
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placement={resetButtonPlacement}
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canReset={canReset}
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onReset={handleReset}
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inlineLabel={inlineResetLabel}
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label={belowResetLabel}
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accessory={resetAccessory}
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data-flx="ui.slider.slider-reset-controls"
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>
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{track}
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</SliderResetControls>
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) : (
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track
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);
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return (
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<div className={styles.control} ref={ref} data-flx="ui.slider.control">
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{sliderControl}
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<SliderTooltipPortal
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showTooltip={showTooltip}
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shouldRender={!stickToMarkers}
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value={value}
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onValueRender={onValueRender}
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tooltip={tooltip}
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data-flx="ui.slider.slider-tooltip-portal"
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/>
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</div>
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);
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},
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);
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Slider.displayName = 'Slider';
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