stack

1"use client";
2 
3import { cva } from "class-variance-authority";
4import { Slot as SlotPrimitive } from "radix-ui";
5import * as React from "react";
6import { cn } from "@/lib/utils";
7 
8interface ItemDimension {
9  itemId: number;
10  size: number;
11}
12 
13type Side = "top" | "bottom";
14 
15function getDataState(isExpanded: boolean) {
16  return isExpanded ? "expanded" : "collapsed";
17}
18 
19interface StackContextValue {
20  side: Side;
21  childrenCount: number;
22  itemCount: number;
23  expandedItemCount: number;
24  gap: number;
25  scale: number;
26  offset: number;
27  expandOnHover: boolean;
28  isExpanded: boolean;
29  isInteracting: boolean;
30  dimensions: ItemDimension[];
31  setDimensions: React.Dispatch<React.SetStateAction<ItemDimension[]>>;
32}
33 
34const StackContext = React.createContext<StackContextValue | null>(null);
35 
36function useStackContext(consumerName: string) {
37  const context = React.useContext(StackContext);
38  if (!context) {
39    throw new Error(`\`${consumerName}\` must be used within \`Stack\``);
40  }
41  return context;
42}
43 
44interface StackProps extends React.ComponentProps<"div"> {
45  side?: Side;
46  itemCount?: number;
47  expandedItemCount?: number;
48  gap?: number;
49  scale?: number;
50  offset?: number;
51  expandOnHover?: boolean;
52  asChild?: boolean;
53}
54 
55function Stack(props: StackProps) {
56  const {
57    side = "bottom",
58    itemCount = 3,
59    expandedItemCount,
60    gap = 8,
61    scale = 0.05,
62    offset = 10,
63    className,
64    children,
65    style,
66    onMouseEnter: onMouseEnterProp,
67    onMouseLeave: onMouseLeaveProp,
68    onMouseMove: onMouseMoveProp,
69    onPointerDown: onPointerDownProp,
70    onPointerUp: onPointerUpProp,
71    expandOnHover = false,
72    asChild,
73    ...rootProps
74  } = props;
75 
76  const [isExpanded, setIsExpanded] = React.useState(false);
77  const [isInteracting, setIsInteracting] = React.useState(false);
78  const [dimensions, setDimensions] = React.useState<ItemDimension[]>([]);
79 
80  const childrenArray = React.Children.toArray(children).filter(
81    React.isValidElement,
82  );
83  const childrenCount = childrenArray.length;
84 
85  const effectiveExpandedItemCount = expandedItemCount ?? childrenCount;
86 
87  const onMouseEnter = React.useCallback(
88    (event: React.MouseEvent<HTMLDivElement>) => {
89      onMouseEnterProp?.(event);
90      if (event.defaultPrevented) return;
91 
92      if (expandOnHover) {
93        setIsExpanded(true);
94      }
95    },
96    [expandOnHover, onMouseEnterProp],
97  );
98 
99  const onMouseMove = React.useCallback(
100    (event: React.MouseEvent<HTMLDivElement>) => {
101// … truncated