Center Morph Modal

1"use client";
2// beui.dev/components/motion/center-morph-modal
3 
4import { X } from "lucide-react";
5import {
6  AnimatePresence,
7  motion,
8  useIsPresent,
9  useReducedMotion,
10} from "motion/react";
11import {
12  cloneElement,
13  createContext,
14  isValidElement,
15  type ReactElement,
16  type ReactNode,
17  useCallback,
18  useContext,
19  useEffect,
20  useId,
21  useMemo,
22  useRef,
23  useState,
24} from "react";
25import { createPortal } from "react-dom";
26import { EASE_OUT } from "@/lib/ease";
27import { cn } from "@/lib/utils";
28 
29type CenterMorphModalContextValue = {
30  open: boolean;
31  setOpen: (open: boolean) => void;
32  triggerId: string;
33  contentId: string;
34};
35 
36const CenterMorphModalContext =
37  createContext<CenterMorphModalContextValue | null>(null);
38 
39function useCenterMorphModalContext(component: string) {
40  const context = useContext(CenterMorphModalContext);
41  if (!context) {
42    throw new Error(`${component} must be used within <CenterMorphModal>`);
43  }
44  return context;
45}
46 
47export interface CenterMorphModalProps {
48  children: ReactNode;
49  /** Controlled open state. */
50  open?: boolean;
51  /** Initial state when used uncontrolled. */
52  defaultOpen?: boolean;
53  onOpenChange?: (open: boolean) => void;
54}
55 
56/**
57 * A modal whose full-size surface unfolds outward from its exact center.
58 * Supports controlled and uncontrolled state through composable primitives.
59 */
60export function CenterMorphModal({
61  children,
62  open: controlledOpen,
63  defaultOpen = false,
64  onOpenChange,
65}: CenterMorphModalProps) {
66  const id = useId();
67  const [internalOpen, setInternalOpen] = useState(defaultOpen);
68  const controlled = controlledOpen !== undefined;
69  const open = controlled ? controlledOpen : internalOpen;
70 
71  const setOpen = useCallback(
72    (next: boolean) => {
73      if (!controlled) setInternalOpen(next);
74      onOpenChange?.(next);
75    },
76    [controlled, onOpenChange],
77  );
78 
79  const value = useMemo<CenterMorphModalContextValue>(
80    () => ({
81      open,
82      setOpen,
83      triggerId: `${id}-trigger`,
84      contentId: `${id}-content`,
85    }),
86    [id, open, setOpen],
87  );
88 
89  return (
90    <CenterMorphModalContext.Provider value={value}>
91      {children}
92    </CenterMorphModalContext.Provider>
93  );
94}
95 
96export interface CenterMorphModalTriggerProps {
97  children: ReactElement;
98}
99 
100/** Wraps one interactive element and opens or closes the modal. */
101export function CenterMorphModalTrigger({
102  children,
103}: CenterMorphModalTriggerProps) {
104// … truncated