@base-ui-components/react/esm/popover/positioner/PopoverPositioner.js

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.

'use client';

import * as React from 'react';
import { inertValue } from '@base-ui-components/utils/inertValue';
import { FloatingNode, useFloatingNodeId } from "../../floating-ui-react/index.js";
import { usePopoverRootContext } from "../root/PopoverRootContext.js";
import { PopoverPositionerContext } from "./PopoverPositionerContext.js";
import { useAnchorPositioning } from "../../utils/useAnchorPositioning.js";
import { popupStateMapping } from "../../utils/popupStateMapping.js";
import { usePopoverPortalContext } from "../portal/PopoverPortalContext.js";
import { InternalBackdrop } from "../../utils/InternalBackdrop.js";
import { useRenderElement } from "../../utils/useRenderElement.js";
import { POPUP_COLLISION_AVOIDANCE } from "../../utils/constants.js";

/**
 * Positions the popover against the trigger.
 * Renders a `<div>` element.
 *
 * Documentation: [Base UI Popover](https://base-ui.com/react/components/popover)
 */
import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime";
export const PopoverPositioner = /*#__PURE__*/React.forwardRef(function PopoverPositioner(componentProps, forwardedRef) {
  const {
    render,
    className,
    anchor,
    positionMethod = 'absolute',
    side = 'bottom',
    align = 'center',
    sideOffset = 0,
    alignOffset = 0,
    collisionBoundary = 'clipping-ancestors',
    collisionPadding = 5,
    arrowPadding = 5,
    sticky = false,
    trackAnchor = true,
    collisionAvoidance = POPUP_COLLISION_AVOIDANCE,
    ...elementProps
  } = componentProps;
  const {
    floatingRootContext,
    open,
    mounted,
    setPositionerElement,
    modal,
    openReason,
    openMethod,
    triggerElement
  } = usePopoverRootContext();
  const keepMounted = usePopoverPortalContext();
  const nodeId = useFloatingNodeId();
  const positioning = useAnchorPositioning({
    anchor,
    floatingRootContext,
    positionMethod,
    mounted,
    side,
    sideOffset,
    align,
    alignOffset,
    arrowPadding,
    collisionBoundary,
    collisionPadding,
    sticky,
    trackAnchor,
    keepMounted,
    nodeId,
    collisionAvoidance
  });
  const defaultProps = React.useMemo(() => {
    const hiddenStyles = {};
    if (!open) {
      hiddenStyles.pointerEvents = 'none';
    }
    return {
      role: 'presentation',
      hidden: !mounted,
      style: {
        ...positioning.positionerStyles,
        ...hiddenStyles
      }
    };
  }, [open, mounted, positioning.positionerStyles]);
  const positioner = React.useMemo(() => ({
    props: defaultProps,
    ...positioning
  }), [defaultProps, positioning]);
  const state = React.useMemo(() => ({
    open,
    side: positioner.side,
    align: positioner.align,
    anchorHidden: positioner.anchorHidden
  }), [open, positioner.side, positioner.align, positioner.anchorHidden]);
  const element = useRenderElement('div', componentProps, {
    state,
    props: [positioner.props, elementProps],
    ref: [forwardedRef, setPositionerElement],
    customStyleHookMapping: popupStateMapping
  });
  return /*#__PURE__*/_jsxs(PopoverPositionerContext.Provider, {
    value: positioner,
    children: [mounted && modal === true && openReason !== 'trigger-hover' && openMethod !== 'touch' && /*#__PURE__*/_jsx(InternalBackdrop, {
      inert: inertValue(!open),
      cutout: triggerElement
    }), /*#__PURE__*/_jsx(FloatingNode, {
      id: nodeId,
      children: element
    })]
  });
});
if (process.env.NODE_ENV !== "production") PopoverPositioner.displayName = "PopoverPositioner";