[Popover] Modernize implementation

docs/data/api/popover-root.json

@@ -2,18 +2,14 @@
   "props": {
     "animated": { "type": { "name": "bool" }, "default": "true" },
     "closeDelay": { "type": { "name": "number" }, "default": "0" },
-    "defaultOpen": { "type": { "name": "bool" } },
+    "defaultOpen": { "type": { "name": "bool" }, "default": "false" },
     "delay": { "type": { "name": "number" }, "default": "300" },
     "delayType": {
       "type": { "name": "enum", "description": "'hover'<br>&#124;&nbsp;'rest'" },
       "default": "'rest'"
     },
-    "followCursorAxis": {
-      "type": { "name": "enum", "description": "'none'<br>&#124;&nbsp;'x'<br>&#124;&nbsp;'y'" },
-      "default": "'none'"
-    },
     "onOpenChange": { "type": { "name": "func" } },
-    "open": { "type": { "name": "bool" } },
+    "open": { "type": { "name": "bool" }, "default": "false" },
     "openOnHover": { "type": { "name": "bool" }, "default": "false" }
   },
   "name": "PopoverRoot",

docs/data/translations/api-docs/popover-positioner/popover-positioner.json

@@ -2,43 +2,39 @@
   "componentDescription": "The popover positioner element.",
   "propDescriptions": {
     "alignment": {
-      "description": "The alignment of the popover popup element to the anchor element along its cross axis."
+      "description": "The alignment of the popover element to the anchor element along its cross axis."
     },
     "alignmentOffset": {
-      "description": "The offset of the popover popup element along its alignment axis."
+      "description": "The offset of the popover element along its alignment axis."
     },
-    "anchor": { "description": "The element to which the popover popup element is anchored to." },
+    "anchor": { "description": "The element to which the popover element is anchored to." },
     "arrowPadding": {
-      "description": "Determines the padding between the arrow and the popover popup edges. Useful when the popover popup element has rounded corners via <code>border-radius</code>."
+      "description": "Determines the padding between the arrow and the popover edges. Useful when the popover element has rounded corners via <code>border-radius</code>."
     },
     "className": {
       "description": "Class names applied to the element or a function that returns them based on the component&#39;s state."
     },
     "collisionBoundary": {
-      "description": "The boundary that the popover popup element should be constrained to."
+      "description": "The boundary that the popover element should be constrained to."
     },
     "collisionPadding": {
-      "description": "The padding between the popover popup element and the edges of the collision boundary to add whitespace between them to prevent them from touching."
-    },
-    "container": {
-      "description": "The container element to which the popover positioner is appended to."
+      "description": "The padding between the popover element and the edges of the collision boundary to add whitespace between them to prevent them from touching."
     },
+    "container": { "description": "The element the popover positioner element is appended to." },
     "hideWhenDetached": {
-      "description": "Whether the popover popup element is hidden if it appears detached from its anchor element due to the anchor element being clipped (or hidden) from view."
+      "description": "Whether the popover element is hidden if it appears detached from its anchor element due to the anchor element being clipped (or hidden) from view."
     },
     "keepMounted": {
-      "description": "Whether the popover popup remains mounted in the DOM while closed."
+      "description": "Whether the popover remains mounted in the DOM while closed."
     },
     "positionStrategy": {
-      "description": "The CSS position strategy for positioning the popover popup element."
+      "description": "The CSS position strategy for positioning the popover element."
     },
     "render": { "description": "A function to customize rendering of the component." },
     "side": {
-      "description": "The side of the anchor element that the popover popup element should be placed at."
-    },
-    "sideOffset": {
-      "description": "The gap between the anchor element and the popover popup element."
+      "description": "The side of the anchor element that the popover element should be placed at."
     },
+    "sideOffset": { "description": "The gap between the anchor element and the popover element." },
     "sticky": {
       "description": "Whether to allow the popover to remain stuck in view while the anchor element is scrolled out of view."
     }

docs/data/translations/api-docs/popover-root/popover-root.json

@@ -2,31 +2,26 @@
   "componentDescription": "The foundation for building custom-styled popovers.",
   "propDescriptions": {
     "animated": {
-      "description": "Whether the tooltip can animate, adding animation-related attributes and allowing for exit animations to play. Useful to disable in tests to remove async behavior."
+      "description": "Whether the popover can animate, adding animation-related attributes and allowing for exit animations to play. Useful to disable in tests to remove async behavior."
     },
     "closeDelay": {
       "description": "The delay in milliseconds until the popover popup is closed when <code>openOnHover</code> is <code>true</code>."
     },
     "defaultOpen": {
-      "description": "Specifies whether the popover is open initially when uncontrolled."
+      "description": "Whether the popover popup is open by default. Use when uncontrolled."
     },
     "delay": {
       "description": "The delay in milliseconds until the popover popup is opened when <code>openOnHover</code> is <code>true</code>."
     },
     "delayType": {
       "description": "The delay type to use when <code>openOnHover</code> is <code>true</code>. <code>rest</code> means the <code>delay</code> represents how long the user&#39;s cursor must rest on the trigger before the popover popup is opened. <code>hover</code> means the <code>delay</code> represents how long to wait as soon as the user&#39;s cursor has entered the trigger."
     },
-    "followCursorAxis": {
-      "description": "Determines which axis the tooltip should follow the cursor on."
-    },
     "onOpenChange": {
       "description": "Callback fired when the popover popup is requested to be opened or closed. Use when controlled."
     },
-    "open": {
-      "description": "If <code>true</code>, the popover popup is open. Use when controlled."
-    },
+    "open": { "description": "Whether the popover popup is open. Use when controlled." },
     "openOnHover": {
-      "description": "If <code>true</code>, the popover popup opens when the trigger is hovered."
+      "description": "Whether the popover popup opens when the trigger is hovered after the provided <code>delay</code>."
     }
   },
   "classDescriptions": {}

packages/mui-base/src/Popover/Arrow/PopoverArrow.tsx

@@ -1,12 +1,22 @@
 'use client';
 import * as React from 'react';
 import PropTypes from 'prop-types';
-import type { PopoverArrowOwnerState, PopoverArrowProps } from './PopoverArrow.types';
 import { usePopoverPositionerContext } from '../Positioner/PopoverPositionerContext';
 import { usePopoverRootContext } from '../Root/PopoverRootContext';
 import { useComponentRenderer } from '../../utils/useComponentRenderer';
 import { useForkRef } from '../../utils/useForkRef';
 import { usePopoverArrow } from './usePopoverArrow';
+import type { Alignment, Side } from '../../utils/useAnchorPositioning';
+import type { BaseUIComponentProps } from '../../utils/types';
+import type { CustomStyleHookMapping } from '../../utils/getStyleHookProps';
+
+const customStyleHookMapping: CustomStyleHookMapping<PopoverArrow.OwnerState> = {
+  open(value) {
+    return {
+      'data-state': value ? 'open' : 'closed',
+    };
+  },
+};
 
 /**
  * Renders an arrow that points to the center of the anchor element.
@@ -20,7 +30,7 @@ import { usePopoverArrow } from './usePopoverArrow';
  * - [PopoverArrow API](https://base-ui.netlify.app/components/react-popover/#api-reference-PopoverArrow)
  */
 const PopoverArrow = React.forwardRef(function PopoverArrow(
-  props: PopoverArrowProps,
+  props: PopoverArrow.Props,
   forwardedRef: React.ForwardedRef<HTMLDivElement>,
 ) {
   const { className, render, hideWhenUncentered = false, ...otherProps } = props;
@@ -33,7 +43,7 @@ const PopoverArrow = React.forwardRef(function PopoverArrow(
     hidden: hideWhenUncentered && arrowUncentered,
   });
 
-  const ownerState: PopoverArrowOwnerState = React.useMemo(
+  const ownerState: PopoverArrow.OwnerState = React.useMemo(
     () => ({
       open,
       side,
@@ -52,18 +62,29 @@ const PopoverArrow = React.forwardRef(function PopoverArrow(
     ownerState,
     ref: mergedRef,
     extraProps: otherProps,
-    customStyleHookMapping: {
-      open(value) {
-        return {
-          'data-state': value ? 'open' : 'closed',
-        };
-      },
-    },
+    customStyleHookMapping,
   });
 
   return renderElement();
 });
 
+namespace PopoverArrow {
+  export interface OwnerState {
+    open: boolean;
+    side: Side;
+    alignment: Alignment;
+    arrowUncentered: boolean;
+  }
+
+  export interface Props extends BaseUIComponentProps<'div', OwnerState> {
+    /**
+     * If `true`, the arrow is hidden when it can't point to the center of the anchor element.
+     * @default false
+     */
+    hideWhenUncentered?: boolean;
+  }
+}
+
 PopoverArrow.propTypes /* remove-proptypes */ = {
   // ┌────────────────────────────── Warning ──────────────────────────────┐
   // │ These PropTypes are generated from the TypeScript type definitions. │

packages/mui-base/src/Popover/Arrow/usePopoverArrow.ts

@@ -1,21 +1,20 @@
-'use client';
 import * as React from 'react';
 import { mergeReactProps } from '../../utils/mergeReactProps';
-import type {
-  UsePopoverArrowParameters,
-  UsePopoverArrowReturnValue,
-} from './usePopoverArrow.types';
+import type { GenericHTMLProps } from '../../utils/types';
 
-export function usePopoverArrow(params: UsePopoverArrowParameters): UsePopoverArrowReturnValue {
-  const { arrowStyles } = params;
+export function usePopoverArrow(params: usePopoverArrow.Parameters): usePopoverArrow.ReturnValue {
+  const { arrowStyles, hidden } = params;
 
   const getArrowProps = React.useCallback(
     (externalProps = {}) => {
       return mergeReactProps<'div'>(externalProps, {
-        style: arrowStyles,
+        style: {
+          ...arrowStyles,
+          ...(hidden && { visibility: 'hidden' }),
+        },
       });
     },
-    [arrowStyles],
+    [arrowStyles, hidden],
   );
 
   return React.useMemo(
@@ -25,3 +24,13 @@ export function usePopoverArrow(params: UsePopoverArrowParameters): UsePopoverAr
     [getArrowProps],
   );
 }
+
+namespace usePopoverArrow {
+  export interface Parameters {
+    arrowStyles: React.CSSProperties;
+    hidden?: boolean;
+  }
+  export interface ReturnValue {
+    getArrowProps: (externalProps?: GenericHTMLProps) => GenericHTMLProps;
+  }
+}

packages/mui-base/src/Popover/Backdrop/PopoverBackdrop.tsx

@@ -2,11 +2,11 @@
 import * as React from 'react';
 import PropTypes from 'prop-types';
 import { FloatingPortal } from '@floating-ui/react';
-import type { PopoverBackdropProps } from './PopoverBackdrop.types';
 import { usePopoverRootContext } from '../Root/PopoverRootContext';
 import { useComponentRenderer } from '../../utils/useComponentRenderer';
 import { HTMLElementType } from '../../utils/proptypes';
 import { usePopoverBackdrop } from './usePopoverBackdrop';
+import type { BaseUIComponentProps } from '../../utils/types';
 
 /**
  * Renders a backdrop for the popover.
@@ -20,7 +20,7 @@ import { usePopoverBackdrop } from './usePopoverBackdrop';
  * - [PopoverBackdrop API](https://base-ui.netlify.app/components/react-popover/#api-reference-PopoverBackdrop)
  */
 const PopoverBackdrop = React.forwardRef(function PopoverBackdrop(
-  props: PopoverBackdropProps,
+  props: PopoverBackdrop.Props,
   forwardedRef: React.ForwardedRef<HTMLDivElement>,
 ) {
   const { className, render, keepMounted = false, container, ...otherProps } = props;
@@ -48,6 +48,25 @@ const PopoverBackdrop = React.forwardRef(function PopoverBackdrop(
   return <FloatingPortal root={container}>{renderElement()}</FloatingPortal>;
 });
 
+namespace PopoverBackdrop {
+  export interface OwnerState {
+    open: boolean;
+  }
+
+  export interface Props extends BaseUIComponentProps<'div', OwnerState> {
+    /**
+     * If `true`, the backdrop remains mounted when the popover content is closed.
+     * @default false
+     */
+    keepMounted?: boolean;
+    /**
+     * The container element to which the backdrop is appended to.
+     * @default false
+     */
+    container?: HTMLElement | null | React.MutableRefObject<HTMLElement | null>;
+  }
+}
+
 PopoverBackdrop.propTypes /* remove-proptypes */ = {
   // ┌────────────────────────────── Warning ──────────────────────────────┐
   // │ These PropTypes are generated from the TypeScript type definitions. │

packages/mui-base/src/Popover/Backdrop/usePopoverBackdrop.ts

@@ -1,9 +1,8 @@
-'use client';
 import * as React from 'react';
 import { mergeReactProps } from '../../utils/mergeReactProps';
-import type { UsePopoverBackdropReturnValue } from './usePopoverBackdrop.types';
+import type { GenericHTMLProps } from '../../utils/types';
 
-export function usePopoverBackdrop(): UsePopoverBackdropReturnValue {
+export function usePopoverBackdrop(): usePopoverBackdrop.ReturnValue {
   const getBackdropProps = React.useCallback((externalProps = {}) => {
     return mergeReactProps<'div'>(externalProps, {
       role: 'presentation',
@@ -23,3 +22,9 @@ export function usePopoverBackdrop(): UsePopoverBackdropReturnValue {
     [getBackdropProps],
   );
 }
+
+namespace usePopoverBackdrop {
+  export interface ReturnValue {
+    getBackdropProps: (externalProps?: GenericHTMLProps) => GenericHTMLProps;
+  }
+}