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import * as React from "react";
import * as PopoverPrimitive from "@radix-ui/react-popover";
import { cn } from "../../utils/css";
interface DynamicPopoverContentProps
extends React.ComponentPropsWithoutRef<typeof PopoverPrimitive.Content> {
/**
* Whether to enable dynamic height adjustment
* If true, use max-h when content can fit the viewport, otherwise use fixed height
* If false, always use h-[var(--radix-popover-content-available-height)]
*/
dynamicHeight?: boolean;
/**
* Debounce delay for height adjustment (milliseconds)
* Used to optimize performance and avoid frequent recalculations
*/
debounceMs?: number;
}
/**
* Custom Hook for debouncing
*/
function useDebounce<T>(value: T, delay: number): T {
const [debouncedValue, setDebouncedValue] = React.useState<T>(value);
React.useEffect(() => {
const handler = setTimeout(() => {
setDebouncedValue(value);
}, delay);
return () => {
clearTimeout(handler);
};
}, [value, delay]);
return debouncedValue;
}
/**
* Utility function to get available height
*/
function getAvailableHeight(element: HTMLElement): number {
try {
const cssValue = getComputedStyle(element).getPropertyValue(
"--radix-popover-content-available-height",
);
const parsedValue = parseInt(cssValue, 10);
// If CSS variable value cannot be obtained, fallback to 80% of viewport height
return !isNaN(parsedValue) && parsedValue > 0
? parsedValue
: Math.floor(window.innerHeight * 0.8);
} catch (error) {
console.warn("Failed to get available height from CSS variable:", error);
return Math.floor(window.innerHeight * 0.8);
}
}
/**
* Utility function to calculate content height
*/
function getContentHeight(element: HTMLElement): number {
try {
return element.scrollHeight;
} catch (error) {
console.warn("Failed to get content height:", error);
return 0;
}
}
const DynamicPopoverContent = React.forwardRef<
React.ElementRef<typeof PopoverPrimitive.Content>,
DynamicPopoverContentProps
>(
(
{
className,
align = "center",
sideOffset = 4,
dynamicHeight = true,
debounceMs = 100,
children,
...props
},
ref,
) => {
const contentRef = React.useRef<HTMLDivElement>(null);
// Use state to manage height class name
const [heightClass, setHeightClass] = React.useState<string>(
"max-h-[var(--radix-popover-content-available-height)]",
);
// Create a dependency to trigger recalculation
const [childrenKey, setChildrenKey] = React.useState(0);
// Use debounce to optimize performance
const debouncedChildrenKey = useDebounce(childrenKey, debounceMs);
// Listen for children changes
React.useEffect(() => {
setChildrenKey((prev) => prev + 1);
}, [children]);
// Utility function to merge refs
const setRefs = React.useCallback(
(node: HTMLDivElement | null) => {
// Set internal ref
contentRef.current = node;
// Set external ref
if (typeof ref === "function") {
ref(node);
} else if (ref) {
ref.current = node;
}
},
[ref],
);
// Core logic for calculating height
const calculateHeight = React.useCallback(() => {
if (!dynamicHeight || !contentRef.current) {
return;
}
const element = contentRef.current;
const availableHeight = getAvailableHeight(element);
const contentHeight = getContentHeight(element);
// Add some buffer to avoid edge cases
const BUFFER = 10;
if (contentHeight + BUFFER > availableHeight) {
setHeightClass("h-[var(--radix-popover-content-available-height)]");
} else {
setHeightClass("max-h-[var(--radix-popover-content-available-height)]");
}
}, [dynamicHeight]);
// Use useLayoutEffect to avoid layout flickering
React.useLayoutEffect(() => {
calculateHeight();
}, [calculateHeight, debouncedChildrenKey]);
// Handle window resize
React.useEffect(() => {
if (!dynamicHeight) return;
const handleResize = () => {
calculateHeight();
};
window.addEventListener("resize", handleResize);
return () => {
window.removeEventListener("resize", handleResize);
};
}, [calculateHeight, dynamicHeight]);
// Define all styles as a single constant for better performance and simplicity
const POPOVER_STYLES =
"z-50 w-72 overflow-y-auto rounded-md border bg-popover p-4 text-popover-foreground shadow-md outline-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2";
// Determine final height class name
const finalHeightClass = React.useMemo(() => {
return dynamicHeight
? heightClass
: "h-[var(--radix-popover-content-available-height)]";
}, [dynamicHeight, heightClass]);
// Memoize the complete class name for performance
const popoverClassName = React.useMemo(
() => cn(POPOVER_STYLES, finalHeightClass, className),
[finalHeightClass, className],
);
return (
<PopoverPrimitive.Portal>
<PopoverPrimitive.Content
ref={setRefs}
align={align}
sideOffset={sideOffset}
className={popoverClassName}
{...props}
>
{children}
</PopoverPrimitive.Content>
</PopoverPrimitive.Portal>
);
},
);
DynamicPopoverContent.displayName = PopoverPrimitive.Content.displayName;
export { DynamicPopoverContent };
|
