Shadcn Emoji Picker

"use client"

import { useState } from "react"
import {
  EmojiPicker,
  EmojiPickerPanel,
} from "@/components/reui/emoji-picker"

import { Card } from "@/components/ui/card"

export function Pattern() {
  // Controlled, as an inline picker usually feeds a form. Nothing echoes it:
  // the footer preview falls back to it and the panel announces each pick.
  const [value, setValue] = useState<string | null>(null)

  return (
    // Card has no flush size, so `py-0` keeps its padding off the panel's own
    // insets; `w-fit` hugs the panel when the parent is not a flex row.
    <Card className="w-fit py-0">
      <EmojiPicker value={value} onValueChange={setValue}>
        <EmojiPickerPanel />
      </EmojiPicker>
    </Card>
  )
}

"use client"

import { useEffect, useRef, useState } from "react"
import {
  EmojiPicker,
  EmojiPickerContent,
  EmojiPickerTrigger,
} from "@/components/reui/emoji-picker"

import {
  Avatar,
  AvatarFallback,
  AvatarGroup,
  AvatarImage,
} from "@/components/ui/avatar"
import {
  Bubble,
  BubbleContent,
  BubbleGroup,
} from "@/components/ui/bubble"
import { Button } from "@/components/ui/button"
import {
  Card,
  CardAction,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from "@/components/ui/card"
import {
  InputGroup,
  InputGroupAddon,
  InputGroupInput,
} from "@/components/ui/input-group"
import {
  Message,
  MessageAvatar,
  MessageContent,
  MessageHeader,
} from "@/components/ui/message"
import { Separator } from "@/components/ui/separator"
import { SendIcon } from 'lucide-react'

type Author = { name: string; initials: string; avatar: string }

type ChatGroup = {
  id: string
  /* No author means the group is yours: end-aligned, primary, no avatar. */
  author?: Author
  time: string
  lines: string[]
}

const photo = (id: string) =>
  `https://images.unsplash.com/photo-${id}?w=96&h=96&dpr=2&q=80`

const AMARA: Author = {
  name: "Amara Okafor",
  initials: "AO",
  avatar: photo("1519699047748-de8e457a634e"),
}
const LUCAS: Author = {
  name: "Lucas Martin",
  initials: "LM",
  avatar: photo("1527980965255-d3b416303d12"),
}
const PRIYA: Author = {
  name: "Priya Shah",
  initials: "PS",
  avatar: photo("1584308972272-9e4e7685e80f"),
}
const MIRA: Author = {
  name: "Mira Stone",
  initials: "MS",
  avatar: photo("1494790108377-be9c29b29330"),
}

const MEMBERS = [AMARA, LUCAS, PRIYA, MIRA]

const THREAD: ChatGroup[] = [
  {
    id: "g0",
    author: PRIYA,
    time: "9:05 AM",
    lines: ["Morning! Slides are in the shared drive."],
  },
  {
    id: "g1",
    author: AMARA,
    time: "9:12 AM",
    lines: ["Launch review moved to 4 PM.", "Can everyone still make it?"],
  },
  {
    id: "g2",
    author: LUCAS,
    time: "9:14 AM",
    lines: ["Works for me 👍"],
  },
  {
    id: "g3",
    time: "9:15 AM",
    lines: ["I'm in. Demo build is ready."],
  },
  {
    id: "g4",
    author: PRIYA,
    time: "9:21 AM",
    lines: ["Same. Big room is booked."],
  },
]

export function Pattern() {
  const [groups, setGroups] = useState(THREAD)
  const [text, setText] = useState("")
  const logRef = useRef<HTMLDivElement>(null)
  const inputRef = useRef<HTMLInputElement>(null)
  const empty = !text.trim()

  /* Keyed on the array, not its length: a follow-up joins your last group
     and leaves the length unchanged. */
  useEffect(() => {
    const log = logRef.current
    if (log) log.scrollTop = log.scrollHeight
  }, [groups])

  /* A blurred input keeps its selection, so the emoji replaces it and the
     caret lands after it. Set here rather than after focus returns, because
     a Shift+click pick keeps the picker open. */
  const insert = (emoji: string) => {
    const field = inputRef.current
    if (!field) return
    const { value } = field
    const start = field.selectionStart ?? value.length
    const end = field.selectionEnd ?? start
    const next = value.slice(0, start) + emoji + value.slice(end)
    const caret = start + emoji.length
    field.value = next
    field.setSelectionRange(caret, caret)
    setText(next)
  }

  /* A fixed label, not a clock read, so the server render and the first
     client render agree. */
  const send = () => {
    if (empty) return
    const line = text.trim()
    const last = groups.at(-1)
    setGroups(
      last && !last.author
        ? [...groups.slice(0, -1), { ...last, lines: [...last.lines, line] }]
        : [
            ...groups,
            { id: `g${groups.length + 1}`, time: "Just now", lines: [line] },
          ]
    )
    setText("")
    inputRef.current?.focus()
  }

  return (
    <Card className="w-full max-w-md">
      <CardHeader>
        <CardTitle>#launch-crew</CardTitle>
        <CardDescription>4 members</CardDescription>
        <CardAction>
          {/* Decorative: the description already gives the count, and four
              names read out before the thread would only be noise. */}
          <AvatarGroup aria-hidden="true">
            {MEMBERS.map((member) => (
              <Avatar key={member.name} size="sm">
                <AvatarImage src={member.avatar} alt="" />
                <AvatarFallback>{member.initials}</AvatarFallback>
              </Avatar>
            ))}
          </AvatarGroup>
        </CardAction>
      </CardHeader>
      {/* One wrapper, so no Card gap falls between the rule and the
          scroller: once the thread outgrows its cap, older messages scroll
          under the rule itself. */}
      <div>
        <Separator />
        {/* The seeded thread fits under the cap in every style, so it opens
            whole; sends grow it until it scrolls. A log announces each
            message as it lands, and it is focusable so Safari keyboard users
            can scroll back through the history. */}
        <CardContent
          ref={logRef}
          role="log"
          aria-label="Messages in #launch-crew"
          tabIndex={0}
          className="max-h-160 overflow-y-auto"
        >
          <div className="flex flex-col gap-6 pt-4">
            {groups.map((group) => (
              <Message key={group.id} align={group.author ? "start" : "end"}>
                {group.author && (
                  /* Top-aligned beside the name line, so every group reads
                   the same way: who, when, then what. The header names the
                   sender, so the photo stays silent. */
                  <MessageAvatar aria-hidden="true" className="self-start">
                    <Avatar>
                      <AvatarImage src={group.author.avatar} alt="" />
                      <AvatarFallback>{group.author.initials}</AvatarFallback>
                    </Avatar>
                  </MessageAvatar>
                )}
                <MessageContent>
                  <MessageHeader>
                    <span className="flex items-center gap-1.5">
                      {group.author ? (
                        <>
                          <span className="text-foreground">
                            {group.author.name}
                          </span>
                          <span
                            aria-hidden="true"
                            className="bg-muted-foreground/40 size-1 shrink-0 rounded-full"
                          />
                        </>
                      ) : (
                        /* Your own groups show only the time, as chat apps
                         do. The hidden word keeps the log from announcing
                         a bare time. */
                        <span className="sr-only">You</span>
                      )}
                      <span className="font-normal">{group.time}</span>
                    </span>
                  </MessageHeader>
                  {/* An end row shrinks to fit, so the bubbles' 80% cap would
                    resolve against the group and wrap a short line. */}
                  <BubbleGroup className="w-full">
                    {group.lines.map((line, index) => (
                      <Bubble
                        key={index}
                        variant={group.author ? "muted" : "default"}
                      >
                        <BubbleContent>{line}</BubbleContent>
                      </Bubble>
                    ))}
                  </BubbleGroup>
                </MessageContent>
              </Message>
            ))}
          </div>
        </CardContent>
      </div>
      <CardContent>
        <InputGroup>
          <InputGroupInput
            ref={inputRef}
            value={text}
            onChange={(event) => setText(event.target.value)}
            onKeyDown={(event) => {
              /* Enter that confirms an IME composition is not a send. */
              if (event.key === "Enter" && !event.nativeEvent.isComposing)
                send()
            }}
            placeholder="Message #launch-crew"
            aria-label="Message #launch-crew"
          />
          <InputGroupAddon align="inline-end">
            {/* Controlled to null so the trigger keeps its smiley: this
                button inserts, it does not hold a value. */}
            <EmojiPicker
              value={null}
              aria-label="Add emoji"
              onEmojiSelect={({ value }) => insert(value)}
            >
              <EmojiPickerTrigger variant="ghost" size="icon-sm" />
              {/* Above the field so the draft stays in view; it flips below
                  when the page leaves no room. */}
              <EmojiPickerContent
                side="top"
                align="end"
                returnFocus={inputRef}
              />
            </EmojiPicker>
            {/* Never `disabled`: inside an InputGroup that greys out the
                whole composer. An empty send is a no-op that says so, and
                the button fills once there is a draft. */}
            <Button
              variant={empty ? "ghost" : "default"}
              size="icon-sm"
              aria-label="Send message"
              aria-disabled={empty}
              onClick={send}
            >
              <SendIcon  aria-hidden="true" />
            </Button>
          </InputGroupAddon>
        </InputGroup>
      </CardContent>
    </Card>
  )
}

"use client"

import { useId, useRef, useState } from "react"
import {
  DEFAULT_EMOJI_PICKER_I18N,
  EmojiPicker,
  EmojiPickerCategories,
  EmojiPickerContent,
  EmojiPickerFooter,
  EmojiPickerHeader,
  EmojiPickerList,
  EmojiPickerPreview,
  EmojiPickerSearch,
  EmojiPickerSkinTone,
  EmojiPickerTrigger,
  EmojiPickerValue,
  findEmoji,
  getEmojiValue,
  useEmojiPicker,
  type EmojiPickerEmoji,
  type EmojiPickerSkinTone as SkinTone,
} from "@/components/reui/emoji-picker"

import {
  Avatar,
  AvatarFallback,
  AvatarImage,
} from "@/components/ui/avatar"
import { Button } from "@/components/ui/button"
import {
  Item,
  ItemContent,
  ItemMedia,
  ItemTitle,
} from "@/components/ui/item"
import {
  Tooltip,
  TooltipContent,
  TooltipProvider,
  TooltipTrigger,
} from "@/components/ui/tooltip"
import { SmilePlusIcon } from 'lucide-react'

type Reaction = {
  /** The toned value, so each skin tone gets a pill of its own. */
  emoji: string
  label: string
  /** Everyone else who reacted, in the order they did. */
  people: string[]
  mine: boolean
}

const INITIAL_REACTIONS: Reaction[] = [
  {
    emoji: "🎉",
    label: "party popper",
    people: ["Amara Okafor", "Priya Shah"],
    mine: true,
  },
  {
    emoji: "🚀",
    label: "rocket",
    people: ["Daniel Kim", "Michael Rodriguez", "Priya Shah"],
    mine: false,
  },
  {
    emoji: "👍🏽",
    label: "thumbs up, medium skin tone",
    people: ["Michael Rodriguez", "Amara Okafor"],
    mine: false,
  },
  { emoji: "👀", label: "eyes", people: ["Daniel Kim"], mine: false },
]

/* Untoned on purpose: the row draws them in the tone picked in the footer,
   so a toned 👍 joins the matching pill instead of starting a new one. */
const QUICK_REACTIONS = ["👍", "❤️", "😂", "🎉", "🙏", "👀"]

const TONES = DEFAULT_EMOJI_PICKER_I18N.labels.skinTones

/* The tone goes into the name, or two pills of one emoji would announce
   the same thing. */
const labelOf = (emoji: EmojiPickerEmoji, tone: SkinTone) =>
  tone > 0 && emoji.skins
    ? `${emoji.label}, ${TONES[tone].toLowerCase()} skin tone`
    : emoji.label

const countOf = (reaction: Reaction) =>
  reaction.people.length + (reaction.mine ? 1 : 0)

/* "Amara Okafor, Priya Shah and you": you always come last. */
function namesOf(reaction: Reaction) {
  const names = reaction.mine ? [...reaction.people, "you"] : reaction.people
  if (names.length === 1) return reaction.mine ? "You" : names[0]
  return `${names.slice(0, -1).join(", ")} and ${names[names.length - 1]}`
}

/* A composed first row in the popover, so the common reactions take one
   click. It goes through the picker's own `select`, so the skin tone, the
   recent list and closing on pick behave exactly like a grid pick. Columns
   one cell wide from the grid's gutter put each glyph over a grid column. */
function QuickReactions({ reactions }: { reactions: Reaction[] }) {
  const { emojis, skinTone, select } = useEmojiPicker()
  return (
    <div
      role="group"
      aria-label="Quick reactions"
      className="grid auto-cols-(--emoji-picker-cell) grid-flow-col justify-start justify-items-center px-(--emoji-picker-gutter) pt-(--emoji-picker-padding)"
    >
      {QUICK_REACTIONS.map((glyph) => {
        /* Undefined until the data arrives, which the trigger starts
           fetching on hover, so the row is rarely disabled for long. */
        const emoji = findEmoji(emojis, glyph)
        const value = emoji ? getEmojiValue(emoji, skinTone) : glyph
        const mine = reactions.some(
          (reaction) => reaction.mine && reaction.emoji === value
        )
        return (
          /* Pressed reads as a quiet fill, not a solid primary tile. */
          <Button
            key={glyph}
            variant={mine ? "secondary" : "ghost"}
            size="icon-sm"
            aria-pressed={mine}
            aria-label={emoji ? labelOf(emoji, skinTone) : glyph}
            disabled={!emoji}
            onClick={() => emoji && select(emoji)}
          >
            <span
              aria-hidden="true"
              className="text-(length:--emoji-picker-emoji) leading-none"
            >
              <EmojiPickerValue value={value} />
            </span>
          </Button>
        )
      })}
    </div>
  )
}

export function Pattern() {
  const id = useId()
  const [reactions, setReactions] = useState(INITIAL_REACTIONS)
  const [announcement, setAnnouncement] = useState("")
  const triggerRef = useRef<HTMLButtonElement>(null)

  /* One path for a pill, a quick reaction and a grid pick: reacting with
     an emoji you already used takes yours back, and a pill nobody is left
     on goes away. */
  const toggle = (emoji: string, label: string) => {
    const existing = reactions.find((reaction) => reaction.emoji === emoji)
    const mine = !existing?.mine
    const next = existing
      ? reactions.map((reaction) =>
          reaction.emoji === emoji ? { ...reaction, mine } : reaction
        )
      : [...reactions, { emoji, label, people: [], mine }]
    const kept = next.filter((reaction) => countOf(reaction) > 0)
    setReactions(kept)
    setAnnouncement(
      mine ? `You reacted with ${label}` : `Removed your ${label} reaction`
    )
    /* The pressed pill unmounts with its last reaction, and focus would
       fall to the page; the add button sits beside the row. */
    if (kept.length < next.length) triggerRef.current?.focus()
  }

  return (
    <Item variant="outline" className="max-w-md">
      {/* Top-aligned to the author line; an Item centres its media unless
          the row has an ItemDescription. */}
      <ItemMedia className="self-start">
        <Avatar>
          <AvatarImage
            src="https://images.unsplash.com/photo-1527980965255-d3b416303d12?w=96&h=96&dpr=2&q=80"
            alt=""
          />
          <AvatarFallback>LM</AvatarFallback>
        </Avatar>
      </ItemMedia>
      <ItemContent>
        <ItemTitle>
          Lucas Martin
          <span
            aria-hidden="true"
            className="bg-muted-foreground/40 size-1 shrink-0 rounded-full"
          />
          <span className="text-muted-foreground font-normal">10:42 AM</span>
        </ItemTitle>
        <p className="text-pretty">
          Dark mode is live for 10% of workspaces. If error rates hold, everyone
          gets it on Thursday.
        </p>
        <TooltipProvider>
          <div className="flex flex-wrap items-center gap-1.5 pt-2">
            {reactions.map((reaction) => {
              const count = countOf(reaction)
              /* Keyed by the emoji, not the index, so a description never
               moves to a neighbour when a pill above it goes away. */
              const descriptionId = `${id}-${reaction.emoji}`
              return (
                <Tooltip key={reaction.emoji}>
                  {/* Yours are solid, everyone else's muted. */}
                  <TooltipTrigger asChild>
                    <Button
                      variant={reaction.mine ? "default" : "secondary"}
                      size="sm"
                      aria-pressed={reaction.mine}
                      aria-label={`${reaction.label}, ${count} ${
                        count === 1 ? "reaction" : "reactions"
                      }`}
                      aria-describedby={descriptionId}
                      onClick={() => toggle(reaction.emoji, reaction.label)}
                    >
                      <span aria-hidden="true" className="text-sm leading-none">
                        {reaction.emoji}
                      </span>
                      <span aria-hidden="true" className="tabular-nums">
                        {count}
                      </span>
                      {/* Base UI keeps tooltip text from screen readers, so
                      the names reach them through this instead. */}
                      <span id={descriptionId} hidden>
                        {namesOf(reaction)} reacted with {reaction.label}
                      </span>
                    </Button>
                  </TooltipTrigger>
                  <TooltipContent>{namesOf(reaction)}</TooltipContent>
                </Tooltip>
              )
            })}
            {/* Controlled to null so the trigger keeps its icon instead of
              showing the last pick as a value. */}
            <EmojiPicker
              value={null}
              aria-label="Add reaction"
              onEmojiSelect={({ value, emoji, skinTone }) =>
                toggle(value, labelOf(emoji, skinTone))
              }
            >
              <EmojiPickerTrigger
                ref={triggerRef}
                variant="secondary"
                size="icon-sm"
                title="Add reaction"
              >
                <SmilePlusIcon  aria-hidden="true" />
              </EmojiPickerTrigger>
              {/* Offset past the card's bottom edge, so the panel reads as
                its own surface instead of clipping the corner. */}
              <EmojiPickerContent side="bottom" align="end" sideOffset={20}>
                <QuickReactions reactions={reactions} />
                <EmojiPickerHeader>
                  <EmojiPickerSearch />
                </EmojiPickerHeader>
                <EmojiPickerCategories />
                <EmojiPickerList />
                <EmojiPickerFooter>
                  <EmojiPickerPreview />
                  <EmojiPickerSkinTone />
                </EmojiPickerFooter>
              </EmojiPickerContent>
            </EmojiPicker>
          </div>
        </TooltipProvider>
        <p role="status" className="sr-only">
          {announcement}
        </p>
      </ItemContent>
    </Item>
  )
}

"use client"

import { useId, useLayoutEffect, useRef, useState } from "react"
import {
  EmojiPicker,
  EmojiPickerCategories,
  EmojiPickerContent,
  EmojiPickerFooter,
  EmojiPickerHeader,
  EmojiPickerList,
  EmojiPickerPreview,
  EmojiPickerSearch,
  EmojiPickerSkinTone,
  EmojiPickerTrigger,
  EmojiPickerValue,
  useEmojiPicker,
} from "@/components/reui/emoji-picker"

import {
  Avatar,
  AvatarFallback,
  AvatarImage,
} from "@/components/ui/avatar"
import { Badge } from "@/components/ui/badge"
import {
  Breadcrumb,
  BreadcrumbItem,
  BreadcrumbLink,
  BreadcrumbList,
  BreadcrumbPage,
  BreadcrumbSeparator,
} from "@/components/ui/breadcrumb"
import { Button } from "@/components/ui/button"
import { Card, CardContent, CardHeader } from "@/components/ui/card"
import { PopoverTitle } from "@/components/ui/popover"
import { Separator } from "@/components/ui/separator"
import { FileTextIcon, SmilePlusIcon } from 'lucide-react'

const RANDOM_CATEGORIES = new Set<string>([
  "nature",
  "food",
  "travel",
  "activities",
  "objects",
])

/* Rendered inside the picker for its loaded emoji and its select(), so
   Random commits and closes the popover exactly like a click on a cell. */
function IconMenuTitle({ titleId }: { titleId: string }) {
  const { emojis, value, select, clear, setOpen } = useEmojiPicker()

  return (
    <div className="flex items-center justify-between gap-2 px-(--emoji-picker-padding) pt-(--emoji-picker-padding)">
      <PopoverTitle id={titleId}>Icon</PopoverTitle>
      <div className="flex items-center gap-1">
        <Button
          type="button"
          variant="ghost"
          size="sm"
          disabled={emojis.length === 0}
          onClick={() => {
            /* Objects, places, food and nature make page icons. Faces read
               as a mood, symbols as a status ("Black square button") and
               flags render as letters on Windows. */
            const pool = emojis.filter((emoji) =>
              RANDOM_CATEGORIES.has(emoji.category)
            )
            select(pool[Math.floor(Math.random() * pool.length)])
          }}
        >
          Random
        </Button>
        <Button
          type="button"
          variant="ghost"
          size="sm"
          disabled={!value}
          onClick={() => {
            /* Closing hands focus back to the trigger, the same button now
               reading Add icon. */
            clear()
            setOpen(false)
          }}
        >
          Remove
        </Button>
      </div>
    </div>
  )
}

export function Pattern() {
  const titleId = useId()
  /* Preselected: the page already has a stored icon, kept as the emoji
     itself so it fits a plain text column. */
  const [icon, setIcon] = useState<string | null>("🎯")
  const slotRef = useRef<HTMLDivElement>(null)

  /* Every style pads a ghost button differently, so the pull is read off the
     button: it puts the glyph, not the box, on the title's edge. The trigger
     stays one node across both states, and each swap resizes it. */
  useLayoutEffect(() => {
    const slot = slotRef.current
    const button = slot?.firstElementChild
    if (!slot || !button) return
    const observer = new ResizeObserver(() => {
      const mark = button.querySelector("svg, [data-slot=emoji-picker-value]")
      if (!mark) return
      const box = button.getBoundingClientRect()
      const glyph = mark.getBoundingClientRect()
      const inset =
        getComputedStyle(slot).direction === "rtl"
          ? box.right - glyph.right
          : glyph.left - box.left
      slot.style.marginInlineStart = `${-inset}px`
    })
    observer.observe(button)
    return () => observer.disconnect()
  }, [])

  return (
    <EmojiPicker value={icon} onValueChange={setIcon} aria-label="Page icon">
      <Card className="w-full max-w-xl">
        <CardHeader>
          <Breadcrumb>
            <BreadcrumbList>
              <BreadcrumbItem>
                <BreadcrumbLink href="#">Workspace</BreadcrumbLink>
              </BreadcrumbItem>
              <BreadcrumbSeparator />
              <BreadcrumbItem>
                <BreadcrumbLink href="#">Projects</BreadcrumbLink>
              </BreadcrumbItem>
              <BreadcrumbSeparator />
              <BreadcrumbItem>
                <BreadcrumbPage>
                  {/* A fixed box, so the name stays put when the icon is
                      removed and a plain document glyph takes its place. The
                      emoji is set at the icon's 16px, not the crumb's text
                      size, so both read the same size in every style. */}
                  <span className="flex items-center gap-1.5">
                    <span
                      aria-hidden="true"
                      className="flex size-4 shrink-0 items-center justify-center text-base"
                    >
                      {icon ? (
                        <EmojiPickerValue />
                      ) : (
                        <FileTextIcon  className="size-4" />
                      )}
                    </span>
                    Q4 planning
                  </span>
                </BreadcrumbPage>
              </BreadcrumbItem>
            </BreadcrumbList>
          </Breadcrumb>
        </CardHeader>
        <Separator />
        <CardContent>
          <div className="flex flex-col gap-5">
            <div className="flex flex-col gap-3">
              {/* One 72px row for both states, so the title never moves.
                  -ms-1.5 is the stored icon's pull, for the server render. */}
              <div ref={slotRef} className="-ms-1.5 flex h-18 items-end">
                {icon ? (
                  <EmojiPickerTrigger variant="ghost" className="size-18">
                    {/* The value draws at the font size around it, custom
                        image emoji included. */}
                    <span className="text-6xl">
                      <EmojiPickerValue />
                    </span>
                  </EmojiPickerTrigger>
                ) : (
                  /* Still the one trigger, so the popover keeps its anchor
                     and focus its target. The label matches the text. */
                  <EmojiPickerTrigger
                    variant="ghost"
                    size="sm"
                    aria-label="Add icon"
                  >
                    <SmilePlusIcon  data-icon="inline-start" aria-hidden="true" />
                    Add icon
                  </EmojiPickerTrigger>
                )}
              </div>
              <div className="flex flex-col gap-2">
                <h2 className="text-3xl font-semibold tracking-tight">
                  Q4 planning
                </h2>
                <p className="text-muted-foreground">
                  Goals, owners and launch dates for the quarter.
                </p>
              </div>
            </div>
            {/* The card's own type size, so the row matches the description
                in every style. Each item leads with its dot and the row is
                pulled out by dot plus gap, so the clip hides only the dot
                that starts a line: wrapped or not, none ends or opens one. */}
            <div className="overflow-x-clip">
              <div className="text-muted-foreground -ms-3.5 flex flex-wrap items-center gap-x-2.5 gap-y-2">
                <div className="flex items-center gap-2.5">
                  <span
                    aria-hidden="true"
                    className="bg-muted-foreground/40 size-1 shrink-0 rounded-full"
                  />
                  <div className="flex items-center gap-2">
                    <Avatar size="sm">
                      <AvatarImage
                        src="https://images.unsplash.com/photo-1519699047748-de8e457a634e?w=96&h=96&dpr=2&q=80"
                        alt=""
                      />
                      <AvatarFallback>AO</AvatarFallback>
                    </Avatar>
                    <span className="text-foreground font-medium">
                      Amara Okafor
                    </span>
                  </div>
                </div>
                <div className="flex items-center gap-2.5">
                  <span
                    aria-hidden="true"
                    className="bg-muted-foreground/40 size-1 shrink-0 rounded-full"
                  />
                  <Badge variant="secondary">On track</Badge>
                </div>
                <div className="flex items-center gap-2.5">
                  <span
                    aria-hidden="true"
                    className="bg-muted-foreground/40 size-1 shrink-0 rounded-full"
                  />
                  <span>Edited 2 days ago</span>
                </div>
              </div>
            </div>
          </div>
        </CardContent>
      </Card>
      {/* Opens under the icon, like Notion, leaving it in view. The explicit
          labelledby keeps the twins equal: only the Base UI PopoverTitle
          names its popover on its own. */}
      <EmojiPickerContent align="start" aria-labelledby={titleId}>
        <IconMenuTitle titleId={titleId} />
        <EmojiPickerHeader>
          <EmojiPickerSearch />
        </EmojiPickerHeader>
        <EmojiPickerCategories />
        <EmojiPickerList />
        <EmojiPickerFooter>
          <EmojiPickerPreview />
          <EmojiPickerSkinTone />
        </EmojiPickerFooter>
      </EmojiPickerContent>
    </EmojiPicker>
  )
}

"use client"

import { useRef, useState } from "react"
import {
  EMOJI_PICKER_CATEGORIES,
  EmojiPicker,
  EmojiPickerContent,
  EmojiPickerTrigger,
  type EmojiPickerCustomCategory,
  type EmojiPickerCustomEmoji,
} from "@/components/reui/emoji-picker"

import {
  Avatar,
  AvatarFallback,
  AvatarImage,
} from "@/components/ui/avatar"
import { Button } from "@/components/ui/button"
import {
  Card,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card"
import {
  InputGroup,
  InputGroupAddon,
  InputGroupInput,
} from "@/components/ui/input-group"
import {
  Item,
  ItemContent,
  ItemMedia,
  ItemTitle,
} from "@/components/ui/item"
import { Separator } from "@/components/ui/separator"
import { SendIcon } from 'lucide-react'

/* Inline SVG so the example ships no image files. In an app these are the
   workspace's uploads, and any image URL works as `src`. One font size keeps
   one cap height; 4-letter labels are fitted to 44 of the 64 units, so a
   wider system font (Segoe UI, Roboto) cannot push them into the corners. */
const glyph = (text: string, color: string, size = 18) =>
  `data:image/svg+xml,${encodeURIComponent(
    `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"><rect width="64" height="64" rx="16" fill="${color}"/><text x="32" y="${32 + size * 0.35}" font-family="system-ui,sans-serif" font-size="${size}" font-weight="800" letter-spacing="-0.5" fill="#fff" text-anchor="middle"${text.length >= 4 ? ' textLength="44" lengthAdjust="spacingAndGlyphs"' : ""}>${text}</text></svg>`
  )}`

/* Emoji whose `category` matches a `customCategories` id get their own tab,
   named by its label. The workspace logo replaces the default sparkle, the
   way Discord marks each server's set. */
const WORKSPACE: EmojiPickerCustomCategory = {
  id: "northwind",
  label: "Northwind Labs",
  icon: (
    <img
      src={glyph("N", "#4f46e5", 40)}
      alt=""
      width={16}
      height={16}
      className="size-4"
    />
  ),
}

/* The team's set leads, ahead of Frequently used, so it opens first however
   much the picker has been used. */
const CATEGORIES = [WORKSPACE.id, "recent", ...EMOJI_PICKER_CATEGORIES]

/* Two full rows of the default 8 columns, so the set opens as a block of its
   own above Smileys. The id doubles as the shortcode: `:lgtm:`. Where the
   tile prints another word, that word is a second shortcode, so it ties the
   native emoji of that name and the team's set, listed first, wins; a tag
   ranks below a name match. Only the id is stored and rendered, so a typed
   `:ship:` stays text and `:+1:` (a tag) stays the thumbs up. */
const TEAM_EMOJI: EmojiPickerCustomEmoji[] = [
  { id: "lgtm", label: "Looks good to me", src: glyph("LGTM", "#16a34a") },
  {
    id: "shipit",
    label: "Ship it",
    src: glyph("SHIP", "#7c3aed"),
    shortcodes: ["shipit", "ship"],
  },
  {
    id: "plusone",
    label: "Plus one",
    src: glyph("+1", "#2563eb"),
    tags: ["+1", "agree", "yes"],
  },
  { id: "wip", label: "Work in progress", src: glyph("WIP", "#d97706") },
  {
    id: "blocked",
    label: "Blocked",
    src: glyph("STOP", "#dc2626"),
    shortcodes: ["blocked", "stop"],
  },
  {
    id: "ty",
    label: "Thank you",
    src: glyph("TY", "#db2777"),
    tags: ["thanks"],
  },
  { id: "ack", label: "Acknowledged", src: glyph("ACK", "#475569") },
  {
    id: "hotfix",
    label: "Hotfix",
    src: glyph("FIX", "#ea580c"),
    shortcodes: ["hotfix", "fix"],
  },
  { id: "nit", label: "Nitpick", src: glyph("NIT", "#0891b2") },
  { id: "sync", label: "Let's sync", src: glyph("SYNC", "#65a30d") },
  {
    id: "revert",
    label: "Revert",
    src: glyph("UNDO", "#c026d3"),
    shortcodes: ["revert", "undo"],
  },
  {
    id: "live",
    label: "Live in production",
    src: glyph("LIVE", "#0284c7"),
    tags: ["deployed"],
  },
  { id: "brb", label: "Be right back", src: glyph("BRB", "#ca8a04") },
  {
    id: "looking",
    label: "Taking a look",
    src: glyph("LOOK", "#0d9488"),
    shortcodes: ["looking", "look"],
    tags: ["eyes"],
  },
  { id: "help", label: "Need a hand", src: glyph("HELP", "#e11d48") },
  { id: "qa", label: "Ready for QA", src: glyph("QA", "#9333ea") },
].map((emoji) => ({ ...emoji, category: WORKSPACE.id }))

const BY_CODE = new Map(TEAM_EMOJI.map((emoji) => [`:${emoji.id}:`, emoji]))

/* Custom emoji travel as `:shortcode:` in the stored text and become images
   on render, the way Slack and Discord keep them. `h-lh` fills the line
   box each style sets (20px on nova, 16px on lyra) and the width follows
   the square intrinsic size, so the line keeps its height. */
function renderText(text: string) {
  return text.split(/(:[a-z0-9_+-]+:)/g).map((part, index) => {
    const emoji = BY_CODE.get(part)
    return emoji ? (
      <img
        key={index}
        src={emoji.src}
        alt={emoji.label}
        title={part}
        width={20}
        height={20}
        className="inline-block h-lh w-auto align-top"
      />
    ) : (
      part
    )
  })
}

type Author = { name: string; initials: string; avatar: string }

type Post = { id: string; author: Author; time: string; text: string }

const photo = (id: string) =>
  `https://images.unsplash.com/photo-${id}?w=96&h=96&dpr=2&q=80`

const AMARA: Author = {
  name: "Amara Okafor",
  initials: "AO",
  avatar: photo("1519699047748-de8e457a634e"),
}
const MICHAEL: Author = {
  name: "Michael Rodriguez",
  initials: "MR",
  avatar: photo("1500648767791-00dcc994a43e"),
}
const DANIEL: Author = {
  name: "Daniel Kim",
  initials: "DK",
  avatar: photo("1535713875002-d1d0cf377fde"),
}
const PRIYA: Author = {
  name: "Priya Shah",
  initials: "PS",
  avatar: photo("1584308972272-9e4e7685e80f"),
}
const ME: Author = {
  name: "Mira Stone",
  initials: "MS",
  avatar: photo("1494790108377-be9c29b29330"),
}

const ROOT: Post = {
  id: "root",
  author: AMARA,
  time: "9:36 AM",
  text: "Release candidate is on staging :shipit: and one flaky checkout spec is left :wip:",
}

const REPLIES: Post[] = [
  {
    id: "r1",
    author: MICHAEL,
    time: "9:48 AM",
    text: "Pinned the payment mock :hotfix:",
  },
  {
    id: "r2",
    author: DANIEL,
    time: "9:52 AM",
    text: "Green on all three browsers :lgtm:",
  },
  {
    id: "r3",
    author: PRIYA,
    time: "9:55 AM",
    text: "Release notes are merged :ty: :plusone:",
  },
]

function PostItem({
  post,
  variant,
}: {
  post: Post
  variant?: "default" | "muted"
}) {
  return (
    <Item variant={variant}>
      {/* An empty alt: the name sits beside the photo, so a screen reader
          would otherwise read it twice. Top-aligned by hand, since Item only
          does that when it finds an ItemDescription. */}
      <ItemMedia className="self-start">
        <Avatar>
          <AvatarImage src={post.author.avatar} alt="" />
          <AvatarFallback>{post.author.initials}</AvatarFallback>
        </Avatar>
      </ItemMedia>
      <ItemContent>
        <ItemTitle>
          {post.author.name}
          <span
            aria-hidden="true"
            className="bg-muted-foreground/40 size-1 shrink-0 rounded-full"
          />
          <span className="text-muted-foreground font-normal">{post.time}</span>
        </ItemTitle>
        {/* Not ItemDescription, which clamps to two lines: a thread shows
            every message whole, the one you just sent included. */}
        <p className="text-pretty wrap-break-word">{renderText(post.text)}</p>
      </ItemContent>
    </Item>
  )
}

export function Pattern() {
  const [replies, setReplies] = useState(REPLIES)
  const [text, setText] = useState("")
  const inputRef = useRef<HTMLInputElement>(null)
  const empty = !text.trim()

  /* A blurred input keeps its selection, so the shortcode replaces it and
     the caret lands after it. Padding it with spaces keeps it a token of its
     own: in `at 10:30:ty:` the time would swallow the opening colon. */
  const insert = (code: string) => {
    const field = inputRef.current
    if (!field) return
    const { value, selectionStart, selectionEnd } = field
    const start = selectionStart ?? value.length
    const before = value.slice(0, start)
    const after = value.slice(selectionEnd ?? start)
    const chunk = `${before && !before.endsWith(" ") ? " " : ""}${code}${after.startsWith(" ") ? "" : " "}`
    const caret = start + chunk.length + (after.startsWith(" ") ? 1 : 0)
    const next = before + chunk + after
    field.value = next
    field.setSelectionRange(caret, caret)
    setText(next)
  }

  /* A fixed label, not a clock read, so the server render and the first
     client render agree. Focus goes back to the field for the next reply. */
  const send = () => {
    if (empty) return
    setReplies([
      ...replies,
      {
        id: `r${replies.length + 1}`,
        author: ME,
        time: "Just now",
        text: text.trim(),
      },
    ])
    setText("")
    inputRef.current?.focus()
  }

  return (
    <Card className="w-full max-w-md">
      <CardHeader>
        <CardTitle>Release 4.2</CardTitle>
        <CardDescription>#release-train</CardDescription>
      </CardHeader>
      <CardContent>
        <div className="flex flex-col gap-3">
          <PostItem post={ROOT} variant="muted" />
          {/* The rows bring their own padding, so a tight gap here keeps
              the label as far from the first reply as from the root. */}
          <div className="flex flex-col gap-1">
            <div className="flex items-center gap-3">
              <span className="text-muted-foreground shrink-0 text-xs">
                {replies.length} {replies.length === 1 ? "reply" : "replies"}
              </span>
              {/* Separator is shrink-0 at full width, so a flex-1 wrapper
                gives it the room the label leaves. */}
              <div className="flex-1">
                <Separator />
              </div>
            </div>
            {/* A log announces each reply as it lands, so a send needs no
              separate status region. */}
            <div role="log" aria-label="Replies" className="flex flex-col">
              {replies.map((reply) => (
                <PostItem key={reply.id} post={reply} />
              ))}
            </div>
          </div>
        </div>
      </CardContent>
      <CardFooter>
        <InputGroup>
          <InputGroupInput
            ref={inputRef}
            value={text}
            onChange={(event) => setText(event.target.value)}
            onKeyDown={(event) => {
              /* Enter that confirms an IME composition is not a send. */
              if (event.key === "Enter" && !event.nativeEvent.isComposing)
                send()
            }}
            placeholder="Reply"
            aria-label="Reply to thread"
          />
          <InputGroupAddon align="inline-end">
            {/* Controlled to null so the trigger keeps its smiley: this
                button inserts, it does not hold a value. Recent picks are
                kept per workspace, since another workspace's `:shortcode:`
                means nothing here. */}
            <EmojiPicker
              value={null}
              aria-label="Add emoji"
              customEmojis={TEAM_EMOJI}
              customCategories={[WORKSPACE]}
              categories={CATEGORIES}
              recentStorageKey="northwind-emoji-recent"
              onEmojiSelect={({ value }) => insert(value)}
            >
              <EmojiPickerTrigger variant="ghost" size="icon-sm" />
              {/* Above the field so the draft stays in view; it flips below
                  when the thread leaves no room. */}
              <EmojiPickerContent
                side="top"
                align="end"
                returnFocus={inputRef}
              />
            </EmojiPicker>
            {/* Never `disabled`: inside an InputGroup that greys out the
                whole field. An empty send is a no-op that says so, and the
                button fills once there is a draft. It stays mounted rather
                than appearing with the draft, so the emoji button never
                jumps under the pointer. */}
            <Button
              variant={empty ? "ghost" : "default"}
              size="icon-sm"
              aria-label="Send reply"
              aria-disabled={empty}
              onClick={send}
            >
              <SendIcon  aria-hidden="true" />
            </Button>
          </InputGroupAddon>
        </InputGroup>
      </CardFooter>
    </Card>
  )
}

"use client"

import { useEffect, useId, useRef, useState, type FormEvent } from "react"
import {
  EmojiPicker,
  EmojiPickerContent,
  EmojiPickerTrigger,
  getEmojiValue,
  searchEmojis,
  useEmojiPickerData,
  type EmojiPickerEmoji,
} from "@/components/reui/emoji-picker"

import {
  Avatar,
  AvatarFallback,
  AvatarImage,
} from "@/components/ui/avatar"
import { Button } from "@/components/ui/button"
import {
  Card,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card"
import {
  InputGroup,
  InputGroupAddon,
  InputGroupInput,
} from "@/components/ui/input-group"
import {
  Item,
  ItemContent,
  ItemDescription,
  ItemMedia,
  ItemTitle,
} from "@/components/ui/item"
import { SendIcon } from 'lucide-react'

type Author = { name: string; initials: string; avatar: string }

type Comment = { id: string; author: Author; time: string; text: string }

const photo = (id: string) =>
  `https://images.unsplash.com/photo-${id}?w=96&h=96&dpr=2&q=80`

const PRIYA: Author = {
  name: "Priya Shah",
  initials: "PS",
  avatar: photo("1584308972272-9e4e7685e80f"),
}
const LUCAS: Author = {
  name: "Lucas Martin",
  initials: "LM",
  avatar: photo("1527980965255-d3b416303d12"),
}
const ME: Author = {
  name: "Mira Stone",
  initials: "MS",
  avatar: photo("1494790108377-be9c29b29330"),
}

const THREAD: Comment[] = [
  {
    id: "c1",
    author: PRIYA,
    time: "10:12 AM",
    text: "Moved the promo code field under the total and tightened the order summary. Ready for another look.",
  },
  {
    id: "c2",
    author: LUCAS,
    time: "10:20 AM",
    text: "Pay button stays above the fold on the smallest phones now.",
  },
]

/* Ends mid-shortcode so the suggestions already show on load. */
const DRAFT = "So much cleaner now :fire"

/* `:` then two or more letters, right before the caret. */
const TOKEN = /(?:^|\s):([\p{L}\p{N}_+-]{2,})$/u
/* The rest of the word after the caret, replaced along with the token. */
const TAIL = /^[\p{L}\p{N}_+-]*/u
/* A finished `:shortcode:`, converted as soon as the closing colon lands. */
const FINISHED = /:([a-z0-9_+-]+):$/

const shortcodeOf = (emoji: EmojiPickerEmoji) =>
  `:${emoji.shortcodes[0] ?? emoji.label.replace(/\s+/g, "_")}:`

const sentenceCase = (text: string) =>
  text.charAt(0).toUpperCase() + text.slice(1)

export function Pattern() {
  const id = useId()
  /* The same shared data the picker loads, fetched once for both. */
  const { data } = useEmojiPickerData()
  const [comments, setComments] = useState(THREAD)
  const [text, setText] = useState(DRAFT)
  const [caret, setCaret] = useState(DRAFT.length)
  const [highlight, setHighlight] = useState(0)
  /* Escape hides the list for this exact token only; the next keystroke
     makes a new token and the list comes back. */
  const [dismissed, setDismissed] = useState<string | null>(null)
  const fieldRef = useRef<HTMLInputElement>(null)
  const empty = !text.trim()

  /* The DOM caret starts at 0 while `caret` starts at the end; matching them
     makes a click into the field resume where the draft stops. */
  useEffect(() => {
    fieldRef.current?.setSelectionRange(DRAFT.length, DRAFT.length)
  }, [])

  const token = TOKEN.exec(text.slice(0, caret))?.[1] ?? null
  const suggestions =
    token && data && token !== dismissed
      ? searchEmojis(data.emojis, token, { limit: 5 })
      : []
  const active = suggestions[Math.min(highlight, suggestions.length - 1)]
  const open = suggestions.length > 0

  const place = (next: string, position: number) => {
    setText(next)
    setCaret(position)
    setHighlight(0)
    /* Focus now, the caret after React writes the value, or the browser
       parks it at the end of the text. A focus() deferred to that frame
       would pull focus back from wherever a fast Tab already took it. */
    fieldRef.current?.focus()
    requestAnimationFrame(() =>
      fieldRef.current?.setSelectionRange(position, position)
    )
  }

  const accept = (emoji: EmojiPickerEmoji) => {
    if (!token) return
    const from = caret - token.length - 1
    const to = caret + (TAIL.exec(text.slice(caret))?.[0].length ?? 0)
    const rest = text.slice(to)
    const value = getEmojiValue(emoji)
    /* Reuse a space that already follows the word instead of doubling it;
       either way the caret lands after the space, ready for the next word. */
    const insert = /^\s/.test(rest) ? value : `${value} `
    place(text.slice(0, from) + insert + rest, from + value.length + 1)
  }

  /* A pick from the picker lands at the caret. The field is blurred while
     the popover is open, so this writes the value and the selection by
     hand; returnFocus brings focus back with the caret already placed. */
  const insert = (value: string) => {
    const field = fieldRef.current
    if (!field) return
    const start = field.selectionStart ?? text.length
    const end = field.selectionEnd ?? start
    const next = text.slice(0, start) + value + text.slice(end)
    field.value = next
    field.setSelectionRange(start + value.length, start + value.length)
    setText(next)
    setCaret(start + value.length)
  }

  const post = (event?: FormEvent<HTMLFormElement>) => {
    event?.preventDefault()
    /* An empty submit sends the user back to the field. */
    if (empty) {
      fieldRef.current?.focus()
      return
    }
    setComments([
      ...comments,
      {
        id: `c${comments.length + 1}`,
        author: ME,
        time: "Just now",
        text: text.trim(),
      },
    ])
    setDismissed(null)
    place("", 0)
  }

  return (
    <Card className="w-full max-w-md">
      <CardHeader>
        <CardTitle>Mobile checkout</CardTitle>
        <CardDescription>Design review</CardDescription>
      </CardHeader>
      <CardContent>
        {/* Plain rows, not Items: an Item pads its media in from the edge
            the title and the composer share. A log announces each comment
            as it lands, so a post needs no separate status region. */}
        <div role="log" aria-label="Comments" className="flex flex-col gap-4">
          {comments.map((comment) => (
            <div key={comment.id} className="flex gap-3">
              {/* An empty alt: the name sits beside the photo. */}
              <Avatar>
                <AvatarImage src={comment.author.avatar} alt="" />
                <AvatarFallback>{comment.author.initials}</AvatarFallback>
              </Avatar>
              <div className="flex min-w-0 flex-1 flex-col gap-1">
                <div className="flex items-center gap-2 font-medium">
                  {comment.author.name}
                  <span
                    aria-hidden="true"
                    className="bg-muted-foreground/40 size-1 shrink-0 rounded-full"
                  />
                  <span className="text-muted-foreground font-normal">
                    {comment.time}
                  </span>
                </div>
                <p className="text-pretty wrap-break-word">{comment.text}</p>
              </div>
            </div>
          ))}
        </div>
      </CardContent>
      <CardFooter>
        <form onSubmit={post} className="flex w-full flex-col gap-2">
          <p role="status" className="sr-only">
            {open
              ? `${suggestions.length} emoji suggestion${suggestions.length === 1 ? "" : "s"}`
              : ""}
          </p>
          <InputGroup>
            <InputGroupInput
              ref={fieldRef}
              value={text}
              role="combobox"
              aria-expanded={open}
              aria-controls={open ? `${id}-list` : undefined}
              aria-activedescendant={active ? `${id}-${active.id}` : undefined}
              aria-autocomplete="list"
              aria-label="Add a comment"
              placeholder="Add a comment"
              onChange={(event) => {
                const value = event.target.value
                const position = event.target.selectionStart ?? value.length
                setText(value)
                setCaret(position)
                setHighlight(0)
                setDismissed(null)
                const finished = FINISHED.exec(value.slice(0, position))
                const match =
                  finished &&
                  data?.emojis.find((emoji) =>
                    emoji.shortcodes.includes(finished[1])
                  )
                if (finished && match) {
                  const head =
                    value.slice(0, position - finished[0].length) +
                    getEmojiValue(match)
                  place(head + value.slice(position), head.length)
                }
              }}
              /* The selection end, so a select-all on focus keeps the
                 token under the caret. */
              onSelect={(event) =>
                setCaret(event.currentTarget.selectionEnd ?? 0)
              }
              /* A list left open after focus moves on reads as stuck.
                 Coming back to an unfinished token shows it again. */
              onBlur={() => setDismissed(token)}
              onFocus={() => setDismissed(null)}
              onKeyDown={(event) => {
                /* Enter also confirms an IME composition; that one belongs
                   to the input method. */
                if (event.nativeEvent.isComposing) return
                /* Cmd/Ctrl+Enter posts the draft as typed, list or not. */
                if (event.key === "Enter" && (event.metaKey || event.ctrlKey)) {
                  event.preventDefault()
                  post()
                  return
                }
                /* With no list open, Enter submits and Tab leaves. */
                if (!active) return
                if (event.key === "ArrowDown" || event.key === "ArrowUp") {
                  event.preventDefault()
                  const step = event.key === "ArrowDown" ? 1 : -1
                  setHighlight(
                    (suggestions.indexOf(active) + step + suggestions.length) %
                      suggestions.length
                  )
                } else if (
                  event.key === "Enter" ||
                  (event.key === "Tab" && !event.shiftKey)
                ) {
                  event.preventDefault()
                  accept(active)
                } else if (event.key === "Escape") {
                  event.preventDefault()
                  setDismissed(token)
                }
              }}
            />
            <InputGroupAddon align="inline-end">
              {/* Controlled to null so the trigger keeps its smiley: this
                  button inserts, it does not hold a value. Opening it hides
                  the suggestions, which would sit under the popover. */}
              <EmojiPicker
                value={null}
                aria-label="Add emoji"
                onOpenChange={(next) => next && setDismissed(token)}
                onEmojiSelect={({ value }) => insert(value)}
              >
                <EmojiPickerTrigger variant="ghost" size="icon-sm" />
                {/* Above the field so the thread stays in view; it flips
                    below when the page leaves no room. */}
                <EmojiPickerContent
                  side="top"
                  align="end"
                  returnFocus={fieldRef}
                />
              </EmojiPicker>
              {/* Never `disabled`: inside an InputGroup that greys out the
                  whole field. The button fills once there is a draft. */}
              <Button
                type="submit"
                variant={empty ? "ghost" : "default"}
                size="icon-sm"
                aria-label="Post comment"
                aria-disabled={empty}
              >
                <SendIcon  aria-hidden="true" />
              </Button>
            </InputGroupAddon>
          </InputGroup>
          {/* Under the field, so the line being typed never moves when it
              opens. Rows are not focusable: the field keeps focus and
              aria-activedescendant points at one. A press would blur the
              field, closing the list before the click lands. */}
          {open && (
            <div
              id={`${id}-list`}
              role="listbox"
              aria-label="Emoji suggestions"
              className="flex flex-col"
              onPointerDown={(event) => event.preventDefault()}
            >
              {suggestions.map((emoji, index) => (
                <Item
                  key={emoji.id}
                  id={`${id}-${emoji.id}`}
                  role="option"
                  size="xs"
                  /* Outline, not muted: bg-muted/50 all but vanishes on a
                     tinted footer, a border reads in every style and theme. */
                  variant={emoji === active ? "outline" : "default"}
                  aria-selected={emoji === active}
                  onPointerMove={() => setHighlight(index)}
                  onClick={() => accept(emoji)}
                >
                  <ItemMedia aria-hidden="true">
                    <span className="text-xl leading-none">{emoji.emoji}</span>
                  </ItemMedia>
                  <ItemContent className="min-w-0">
                    {/* One row on a shared baseline: the 12px shortcode
                        centred beside the 14px name sits visibly high.
                        Both ellipsize, so a long name never wraps the row
                        or pushes the emoji onto a line of its own; the
                        shortcode, which repeats the name, gives way first. */}
                    <div className="flex min-w-0 items-baseline justify-between gap-2">
                      <ItemTitle>
                        <span className="truncate">
                          {sentenceCase(emoji.label)}
                        </span>
                      </ItemTitle>
                      <ItemDescription className="shrink-3">
                        <span className="block truncate">
                          {shortcodeOf(emoji)}
                        </span>
                      </ItemDescription>
                    </div>
                  </ItemContent>
                </Item>
              ))}
            </div>
          )}
        </form>
      </CardFooter>
    </Card>
  )
}