Entity Picker

1"use client";
2 
3import {
4  useCallback,
5  useId,
6  useImperativeHandle,
7  useLayoutEffect,
8  useRef,
9  useState,
10  type KeyboardEvent,
11  type Ref,
12} from "react";
13import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
14import {
15  Command,
16  CommandEmpty,
17  CommandInput,
18  CommandList,
19} from "@/components/ui/command";
20import type {
21  EntityLike,
22  EntityPickerHandle,
23  EntityPickerProps,
24  KindMeta,
25  MultiPickerProps,
26  PickerMode,
27  SinglePickerProps,
28} from "./types";
29import { defaultMatch } from "./lib/default-match";
30import {
31  multiSelectionEqual,
32  singleSelectionEqual,
33} from "./lib/selection-equality";
34import { useItemsById } from "./hooks/use-items-by-id";
35import { useOpenState } from "./hooks/use-open-state";
36import { TriggerButton } from "./parts/trigger-button";
37import { ResultRow } from "./parts/result-row";
38import { DefaultEmptyState } from "./parts/default-empty-state";
39 
40function EntityPickerImpl<T extends EntityLike>(props: EntityPickerProps<T>) {
41  const {
42    items,
43    match,
44    placeholder = "Search…",
45    open: controlledOpen,
46    onOpenChange,
47    kinds,
48    showKindBadges: showKindBadgesProp,
49    renderItem,
50    renderTrigger,
51    renderEmpty,
52    disabled = false,
53    triggerLabel,
54    id,
55    className,
56    ref,
57  } = props;
58 
59  const mode: PickerMode = props.mode === "multi" ? "multi" : "single";
60  const value = props.value as T | T[] | null;
61 
62  const reactId = useId();
63  const listboxId = `${reactId}-listbox`;
64 
65  const { open, setOpen: rawSetOpen } = useOpenState({
66    controlled: controlledOpen,
67    onOpenChange,
68  });
69 
70  const [query, setQuery] = useState("");
71 
72  const setOpen = useCallback(
73    (next: boolean) => {
74      if (!next) setQuery("");
75      rawSetOpen(next);
76    },
77    [rawSetOpen],
78  );
79 
80  const itemsById = useItemsById(items);
81 
82  const showKindBadges =
83    showKindBadgesProp !== undefined
84      ? showKindBadgesProp
85      : items.some((i) => !!i.kind);
86 
87  // Track the trigger element via state (not a ref) so the setter is React's
88  // own setState — passes the React Compiler-aware lint rule that flags
89  // ref-accessor functions passed to user-rendered functions during render.
90  // The ref-fn is stable across renders (React guarantees setState identity).
91  const [triggerNode, setTriggerNode] = useState<HTMLElement | null>(null);
92 
93  // F-cross-13 consumer-trigger path: when a press lands while the popover is
94  // open, Radix/Base UI's outside-press dismiss closes it BEFORE the click
95// … truncated