@base-ui-components/react
Version:
Base UI is a library of headless ('unstyled') React components and low-level hooks. You gain complete control over your app's CSS and accessibility features.
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JavaScript
;
'use client';
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.SelectScrollArrow = void 0;
var React = _interopRequireWildcard(require("react"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _useComponentRenderer = require("../../utils/useComponentRenderer");
var _mergeReactProps = require("../../utils/mergeReactProps");
var _SelectRootContext = require("../root/SelectRootContext");
var _SelectPositionerContext = require("../positioner/SelectPositionerContext");
var _useTransitionStatus = require("../../utils/useTransitionStatus");
var _useForkRef = require("../../utils/useForkRef");
var _useAfterExitAnimation = require("../../utils/useAfterExitAnimation");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
/**
* @ignore - internal component.
*/
const SelectScrollArrow = exports.SelectScrollArrow = /*#__PURE__*/React.forwardRef(function SelectScrollArrow(props, forwardedRef) {
const {
render,
className,
direction,
keepMounted = false,
...otherProps
} = props;
const {
alignItemToTrigger,
popupRef,
scrollUpArrowVisible,
scrollDownArrowVisible,
setScrollUpArrowVisible,
setScrollDownArrowVisible
} = (0, _SelectRootContext.useSelectRootContext)();
const {
side
} = (0, _SelectPositionerContext.useSelectPositionerContext)();
const visible = direction === 'up' ? scrollUpArrowVisible : scrollDownArrowVisible;
const frameRef = React.useRef(-1);
const scrollArrowRef = React.useRef(null);
const mergedRef = (0, _useForkRef.useForkRef)(forwardedRef, scrollArrowRef);
const {
mounted,
transitionStatus,
setMounted
} = (0, _useTransitionStatus.useTransitionStatus)(visible);
(0, _useAfterExitAnimation.useAfterExitAnimation)({
open: visible,
animatedElementRef: scrollArrowRef,
onFinished() {
setMounted(false);
}
});
const state = React.useMemo(() => ({
direction,
visible,
side,
transitionStatus
}), [direction, visible, side, transitionStatus]);
const getScrollArrowProps = React.useCallback((externalProps = {}) => (0, _mergeReactProps.mergeReactProps)(externalProps, {
'aria-hidden': true,
children: direction === 'down' ? '▼' : '▲',
style: {
position: 'absolute'
},
onMouseEnter() {
if (!alignItemToTrigger) {
return;
}
let prevNow = Date.now();
function handleFrame() {
const popupElement = popupRef.current;
if (!popupElement) {
return;
}
const currentNow = Date.now();
const msElapsed = currentNow - prevNow;
prevNow = currentNow;
const pixelsLeftToScroll = direction === 'up' ? popupElement.scrollTop : popupElement.scrollHeight - popupElement.clientHeight - popupElement.scrollTop;
const pixelsToScroll = Math.min(pixelsLeftToScroll, msElapsed / 2);
const isScrolledToTop = popupElement.scrollTop === 0;
const isScrolledToBottom = Math.round(popupElement.scrollTop + popupElement.clientHeight) >= popupElement.scrollHeight;
if (msElapsed > 0) {
if (direction === 'up') {
setScrollUpArrowVisible(!isScrolledToTop);
} else if (direction === 'down') {
setScrollDownArrowVisible(!isScrolledToBottom);
}
if (direction === 'up' && isScrolledToTop || direction === 'down' && isScrolledToBottom) {
return;
}
}
const scrollDirection = direction === 'up' ? -1 : 1;
if (popupRef.current) {
popupRef.current.scrollTop += scrollDirection * pixelsToScroll;
}
frameRef.current = requestAnimationFrame(handleFrame);
}
frameRef.current = requestAnimationFrame(handleFrame);
},
onMouseLeave() {
cancelAnimationFrame(frameRef.current);
}
}), [direction, alignItemToTrigger, popupRef, setScrollUpArrowVisible, setScrollDownArrowVisible]);
const {
renderElement
} = (0, _useComponentRenderer.useComponentRenderer)({
propGetter: getScrollArrowProps,
ref: mergedRef,
render: render ?? 'div',
className,
state,
extraProps: {
hidden: !mounted,
...otherProps
}
});
const shouldRender = visible || keepMounted;
if (!shouldRender) {
return null;
}
return renderElement();
});
process.env.NODE_ENV !== "production" ? SelectScrollArrow.propTypes /* remove-proptypes */ = {
// ┌────────────────────────────── Warning ──────────────────────────────┐
// │ These PropTypes are generated from the TypeScript type definitions. │
// │ To update them, edit the TypeScript types and run `pnpm proptypes`. │
// └─────────────────────────────────────────────────────────────────────┘
/**
* @ignore
*/
children: _propTypes.default.node,
/**
* CSS class applied to the element, or a function that
* returns a class based on the component’s state.
*/
className: _propTypes.default.oneOfType([_propTypes.default.func, _propTypes.default.string]),
/**
* @ignore
*/
direction: _propTypes.default.oneOf(['down', 'up']).isRequired,
/**
* Whether to keep the HTML element in the DOM while the select menu is not scrollable.
* @default false
*/
keepMounted: _propTypes.default.bool,
/**
* Allows you to replace the component’s HTML element
* with a different tag, or compose it with another component.
*
* Accepts a `ReactElement` or a function that returns the element to render.
*/
render: _propTypes.default.oneOfType([_propTypes.default.element, _propTypes.default.func])
} : void 0;