Spinner

TSX
"use client";

import { Spinner } from "@/components/ui/spinner";

const sizes = [
  { name: "xs", className: "size-3", usage: "Badges, table cells" },
  { name: "sm", className: "size-3.5", usage: "Small buttons" },
  { name: "md", className: "size-4", usage: "Buttons, inputs" },
  { name: "lg", className: "size-6", usage: "Cards, panels" },
  { name: "xl", className: "size-8", usage: "Full-page loads" },
];

export default function Spinner01() {
  return (
    <ul className="grid w-full max-w-md grid-cols-5 gap-2">
      {sizes.map((size) => (
        <li
          key={size.name}
          className="flex flex-col items-center gap-3 text-center"
        >
          <div className="flex size-12 items-center justify-center">
            <Spinner
              aria-label={`Loading, ${size.name} size`}
              className={size.className}
            />
          </div>
          <div className="flex flex-col gap-0.5">
            <span className="font-mono text-xs font-medium">{size.name}</span>
            <span className="text-[0.7rem] leading-tight text-balance text-muted-foreground">
              {size.usage}
            </span>
          </div>
        </li>
      ))}
    </ul>
  );
}

TSX
"use client";

import { Spinner } from "@/components/ui/spinner";

const tones = [
  {
    name: "Neutral",
    label: "Loading messages",
    className: "text-foreground",
  },
  {
    name: "Muted",
    label: "Fetching older activity",
    className: "text-muted-foreground",
  },
  {
    name: "Primary",
    label: "Publishing changes",
    className: "text-primary",
  },
  {
    name: "Success",
    label: "Verifying payment",
    className: "text-success",
  },
  {
    name: "Warning",
    label: "Retrying connection",
    className: "text-warning",
  },
  {
    name: "Destructive",
    label: "Deleting workspace",
    className: "text-destructive",
  },
];

export default function Spinner02() {
  return (
    <ul className="grid w-full max-w-sm grid-cols-1 gap-x-6 gap-y-3 sm:grid-cols-2">
      {tones.map((tone) => (
        <li key={tone.name} className="flex items-center gap-3">
          <Spinner aria-label={tone.label} className={tone.className} />
          <div className="flex min-w-0 flex-col">
            <span className="text-sm font-medium">{tone.name}</span>
            <span className="truncate text-xs text-muted-foreground">
              {tone.label}…
            </span>
          </div>
        </li>
      ))}
    </ul>
  );
}

TSX
"use client";

import { Spinner } from "@/components/ui/spinner";

const weights = [
  { name: "Hairline", strokeWidth: 1 },
  { name: "Regular", strokeWidth: 2 },
  { name: "Bold", strokeWidth: 3 },
];

export default function Spinner03() {
  return (
    <div className="flex w-full max-w-sm flex-col gap-6">
      <div className="flex flex-col gap-3">
        <p className="text-sm font-medium">Stroke weight</p>
        <ul className="flex items-center justify-between gap-4">
          {weights.map((weight) => (
            <li key={weight.name} className="flex flex-col items-center gap-2">
              <Spinner
                aria-label={`Loading, ${weight.name.toLowerCase()} stroke`}
                strokeWidth={weight.strokeWidth}
                className="size-7"
              />
              <span className="text-xs text-muted-foreground">
                {weight.name}
              </span>
            </li>
          ))}
        </ul>
      </div>
      <div className="flex flex-col gap-3">
        <p className="text-sm font-medium">With track</p>
        <ul className="flex items-end justify-between gap-4">
          <li className="flex flex-col items-center gap-2">
            <span className="relative flex size-7 items-center justify-center">
              <span
                aria-hidden="true"
                className="absolute inset-[2.5px] rounded-full border-2 border-muted"
              />
              <Spinner
                aria-label="Loading, subtle track"
                className="relative size-7"
              />
            </span>
            <span className="text-xs text-muted-foreground">Subtle</span>
          </li>
          <li className="flex flex-col items-center gap-2">
            <span className="relative flex size-7 items-center justify-center">
              <span
                aria-hidden="true"
                className="absolute inset-[2.5px] rounded-full border-2 border-primary/20"
              />
              <Spinner
                aria-label="Loading, primary track"
                className="relative size-7 text-primary"
              />
            </span>
            <span className="text-xs text-muted-foreground">Primary</span>
          </li>
          <li className="flex flex-col items-center gap-2">
            <span className="flex size-9 items-center justify-center rounded-full bg-primary text-primary-foreground shadow-sm">
              <Spinner aria-label="Loading, filled" className="size-5" />
            </span>
            <span className="text-xs text-muted-foreground">Filled</span>
          </li>
        </ul>
      </div>
    </div>
  );
}

TSX
"use client";

import { Badge } from "@/components/ui/badge";
import { Spinner } from "@/components/ui/spinner";

const services = [
  {
    name: "api-gateway",
    region: "eu-central-1",
    status: "Deploying",
    variant: "default" as const,
  },
  {
    name: "billing-worker",
    region: "us-east-1",
    status: "Syncing",
    variant: "secondary" as const,
  },
  {
    name: "search-indexer",
    region: "ap-south-1",
    status: "Provisioning",
    variant: "outline" as const,
  },
  {
    name: "email-relay",
    region: "us-west-2",
    status: "Rolling back",
    variant: "destructive" as const,
  },
];

export default function Spinner04() {
  return (
    <ul className="w-full max-w-sm divide-y divide-border rounded-xl border border-border bg-card">
      {services.map((service) => (
        <li
          key={service.name}
          className="flex items-center justify-between gap-3 px-4 py-3"
        >
          <div className="flex min-w-0 flex-col">
            <span className="truncate font-mono text-sm">{service.name}</span>
            <span className="text-xs text-muted-foreground">
              {service.region}
            </span>
          </div>
          <Badge variant={service.variant}>
            <Spinner
              aria-label={`${service.name}: ${service.status}`}
              data-icon="inline-start"
            />
            {service.status}
          </Badge>
        </li>
      ))}
    </ul>
  );
}

TSX
"use client";

import { useEffect, useState } from "react";

import { Button } from "@/components/ui/button";
import { Spinner } from "@/components/ui/spinner";

const actions = [
  {
    id: "publish",
    variant: "default" as const,
    idle: "Publish",
    busy: "Publishing…",
  },
  {
    id: "export",
    variant: "outline" as const,
    idle: "Export CSV",
    busy: "Exporting…",
  },
  {
    id: "sync",
    variant: "secondary" as const,
    idle: "Sync now",
    busy: "Syncing…",
  },
  {
    id: "archive",
    variant: "destructive" as const,
    idle: "Archive",
    busy: "Archiving…",
  },
];

export default function Spinner05() {
  const [pending, setPending] = useState<string | null>(null);

  useEffect(() => {
    if (!pending) return;
    const timer = window.setTimeout(() => setPending(null), 2000);
    return () => window.clearTimeout(timer);
  }, [pending]);

  return (
    <div className="flex w-full max-w-lg flex-col items-center gap-4">
      <div className="flex flex-wrap items-center justify-center gap-2">
        {actions.map((action) => {
          const isBusy = pending === action.id;
          return (
            <Button
              key={action.id}
              variant={action.variant}
              disabled={pending !== null}
              aria-busy={isBusy || undefined}
              onClick={() => setPending(action.id)}
              className="min-w-28"
            >
              {isBusy ? (
                <Spinner aria-hidden="true" data-icon="inline-start" />
              ) : null}
              {isBusy ? action.busy : action.idle}
            </Button>
          );
        })}
      </div>
      <div className="flex items-center gap-2">
        <Button size="icon" variant="outline" disabled aria-label="Refreshing">
          <Spinner aria-hidden="true" />
        </Button>
        <Button size="sm" variant="ghost" disabled>
          <Spinner aria-hidden="true" data-icon="inline-start" />
          Loading more
        </Button>
      </div>
      <p aria-live="polite" className="sr-only">
        {pending
          ? actions.find((action) => action.id === pending)?.busy
          : "Ready"}
      </p>
    </div>
  );
}

TSX
"use client";

import { CircleAlertIcon, CircleCheckIcon } from "lucide-react";
import { useEffect, useState } from "react";

import {
  InputGroup,
  InputGroupAddon,
  InputGroupInput,
  InputGroupText,
} from "@/components/ui/input-group";
import { Label } from "@/components/ui/label";
import { Spinner } from "@/components/ui/spinner";

const takenHandles = ["admin", "sevenui", "support", "design"];

type Status = "idle" | "checking" | "available" | "taken";

export default function Spinner06() {
  const [value, setValue] = useState("maya-lin");
  const [status, setStatus] = useState<Status>("checking");

  useEffect(() => {
    const handle = value.trim().toLowerCase();
    if (handle.length < 3) {
      setStatus("idle");
      return;
    }
    setStatus("checking");
    const timer = window.setTimeout(() => {
      setStatus(takenHandles.includes(handle) ? "taken" : "available");
    }, 900);
    return () => window.clearTimeout(timer);
  }, [value]);

  const message = {
    idle: "Use at least 3 characters.",
    checking: "Checking availability…",
    available: `sevenui.dev/@${value.trim()} is available.`,
    taken: "That handle is taken. Try adding your team name.",
  }[status];

  return (
    <div className="flex w-full max-w-xs flex-col gap-2">
      <Label htmlFor="spinner-06-handle">Profile handle</Label>
      <InputGroup>
        <InputGroupAddon>
          <InputGroupText>@</InputGroupText>
        </InputGroupAddon>
        <InputGroupInput
          id="spinner-06-handle"
          value={value}
          onChange={(event) => setValue(event.target.value)}
          aria-invalid={status === "taken" || undefined}
          aria-describedby="spinner-06-status"
          autoComplete="off"
          spellCheck={false}
        />
        <InputGroupAddon align="inline-end">
          {status === "checking" ? (
            <Spinner aria-hidden="true" className="text-muted-foreground" />
          ) : null}
          {status === "available" ? (
            <CircleCheckIcon aria-hidden="true" className="text-success" />
          ) : null}
          {status === "taken" ? (
            <CircleAlertIcon aria-hidden="true" className="text-destructive" />
          ) : null}
        </InputGroupAddon>
      </InputGroup>
      <p
        id="spinner-06-status"
        aria-live="polite"
        className={
          status === "taken"
            ? "text-xs text-destructive"
            : "text-xs text-muted-foreground"
        }
      >
        {message}
      </p>
      <p className="text-xs text-muted-foreground">
        Try <span className="font-mono">design</span> to see a taken handle.
      </p>
    </div>
  );
}

TSX
"use client";

import { CameraIcon } from "lucide-react";
import { useEffect, useState } from "react";

import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import { Button } from "@/components/ui/button";
import { Spinner } from "@/components/ui/spinner";

export default function Spinner07() {
  const [uploading, setUploading] = useState(false);

  useEffect(() => {
    if (!uploading) return;
    const timer = window.setTimeout(() => setUploading(false), 2400);
    return () => window.clearTimeout(timer);
  }, [uploading]);

  return (
    <div className="flex w-full max-w-sm items-center gap-4 rounded-xl border border-border bg-card p-4">
      <div className="relative shrink-0">
        <Avatar className="size-16" aria-busy={uploading || undefined}>
          <AvatarImage src="/placeholder.svg" alt="Maya Lin" />
          <AvatarFallback className="text-base">ML</AvatarFallback>
        </Avatar>
        {uploading ? (
          <span className="absolute inset-0 z-10 flex items-center justify-center rounded-full bg-background/70 backdrop-blur-[2px]">
            <Spinner aria-label="Uploading photo" className="size-6" />
          </span>
        ) : null}
      </div>
      <div className="flex min-w-0 flex-1 flex-col gap-2">
        <div className="flex flex-col">
          <span className="truncate text-sm font-medium">Maya Lin</span>
          <span className="truncate text-xs text-muted-foreground">
            {uploading
              ? "Uploading portrait.jpg · 1.8 MB"
              : "PNG or JPG, up to 5 MB"}
          </span>
        </div>
        <Button
          size="sm"
          variant="outline"
          className="w-fit"
          disabled={uploading}
          onClick={() => setUploading(true)}
        >
          <CameraIcon aria-hidden="true" data-icon="inline-start" />
          {uploading ? "Uploading…" : "Change photo"}
        </Button>
      </div>
    </div>
  );
}

TSX
"use client";

import { CircleCheckIcon } from "lucide-react";
import { useEffect, useState } from "react";

import { Button } from "@/components/ui/button";
import { Spinner } from "@/components/ui/spinner";

const tasks = [
  "Importing 1,204 contacts from contacts.csv",
  "Matching contacts to 186 companies",
  "Creating the Sales and Renewals pipelines",
  "Inviting 4 teammates",
];

export default function Spinner08() {
  const [task, setTask] = useState(0);
  const [opening, setOpening] = useState(false);
  const done = task >= tasks.length;

  useEffect(() => {
    if (task >= tasks.length) return;
    const timer = window.setTimeout(() => setTask((step) => step + 1), 1600);
    return () => window.clearTimeout(timer);
  }, [task]);

  useEffect(() => {
    if (!opening) return;
    const timer = window.setTimeout(() => setOpening(false), 1800);
    return () => window.clearTimeout(timer);
  }, [opening]);

  return (
    <section
      aria-labelledby="spinner-08-title"
      aria-busy={!done}
      className="flex w-full max-w-sm flex-col items-center gap-5 px-4 py-8 text-center"
    >
      <div className="relative flex size-14 items-center justify-center">
        {done ? (
          <CircleCheckIcon aria-hidden="true" className="size-10 text-success" />
        ) : (
          <>
            <span
              aria-hidden="true"
              className="absolute inset-[5px] rounded-full border-[3px] border-muted"
            />
            <Spinner
              aria-hidden="true"
              strokeWidth={1.75}
              className="relative size-14 text-primary"
            />
          </>
        )}
      </div>
      <div className="flex flex-col gap-1.5">
        <h3
          id="spinner-08-title"
          className="text-lg font-semibold text-balance"
        >
          {done ? "Northwind CRM is ready" : "Setting up Northwind CRM"}
        </h3>
        <p
          aria-live="polite"
          className="min-h-10 text-sm text-muted-foreground text-balance"
        >
          {done
            ? "Your contacts, companies and pipelines are waiting for you."
            : `${tasks[task]}…`}
        </p>
      </div>
      {done ? (
        <div className="flex flex-wrap justify-center gap-2">
          <Button
            disabled={opening}
            aria-busy={opening || undefined}
            onClick={() => setOpening(true)}
          >
            {opening ? (
              <Spinner aria-hidden="true" data-icon="inline-start" />
            ) : null}
            {opening ? "Opening workspace…" : "Open workspace"}
          </Button>
          <Button
            variant="ghost"
            disabled={opening}
            onClick={() => setTask(0)}
          >
            Run setup again
          </Button>
        </div>
      ) : (
        <p className="text-xs text-muted-foreground tabular-nums">
          Step {task + 1} of {tasks.length} · usually under a minute. You can
          close this tab.
        </p>
      )}
    </section>
  );
}

TSX
"use client";

import { CheckIcon } from "lucide-react";
import { useEffect, useRef, useState } from "react";

import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { Spinner } from "@/components/ui/spinner";
import { Switch } from "@/components/ui/switch";

type Status = "idle" | "saving" | "saved";

const preferences = [
  {
    id: "mentions",
    title: "Mentions and replies",
    description: "When someone @mentions you or replies to your comment.",
    enabled: true,
  },
  {
    id: "assigned",
    title: "Assigned issues",
    description: "When an issue is assigned to you or its priority changes.",
    enabled: true,
  },
  {
    id: "digest",
    title: "Weekly digest",
    description: "A Monday summary of activity across your projects.",
    enabled: false,
  },
  {
    id: "product",
    title: "Product updates",
    description: "New features and changelog highlights, about twice a month.",
    enabled: false,
  },
];

export default function Spinner09() {
  const [values, setValues] = useState<Record<string, boolean>>(() =>
    Object.fromEntries(preferences.map((p) => [p.id, p.enabled])),
  );
  const [status, setStatus] = useState<Record<string, Status>>({});
  const timers = useRef<Record<string, number[]>>({});

  useEffect(() => {
    const pending = timers.current;
    return () => {
      for (const ids of Object.values(pending)) {
        for (const id of ids) window.clearTimeout(id);
      }
    };
  }, []);

  function toggle(id: string, checked: boolean) {
    // A new change restarts this row's save cycle, so an older "idle" timer
    // can't cut the new save short.
    for (const timerId of timers.current[id] ?? []) {
      window.clearTimeout(timerId);
    }
    setValues((prev) => ({ ...prev, [id]: checked }));
    setStatus((prev) => ({ ...prev, [id]: "saving" }));
    timers.current[id] = [
      window.setTimeout(
        () => setStatus((prev) => ({ ...prev, [id]: "saved" })),
        900,
      ),
      window.setTimeout(
        () => setStatus((prev) => ({ ...prev, [id]: "idle" })),
        2600,
      ),
    ];
  }

  const savingCount = Object.values(status).filter(
    (s) => s === "saving",
  ).length;

  return (
    <Card className="w-full max-w-md">
      <CardHeader>
        <CardTitle>Email notifications</CardTitle>
        <CardDescription>
          Changes save automatically to maya@acme.co.
        </CardDescription>
      </CardHeader>
      <CardContent className="grid gap-0 divide-y divide-border">
        {preferences.map((pref) => {
          const state = status[pref.id] ?? "idle";
          const labelId = `spinner-09-${pref.id}-label`;
          const descriptionId = `spinner-09-${pref.id}-description`;
          return (
            <div
              key={pref.id}
              className="flex items-start justify-between gap-4 py-3 first:pt-0 last:pb-0"
            >
              <div className="grid min-w-0 gap-0.5">
                <div className="flex flex-wrap items-center gap-x-2 gap-y-0.5">
                  <span id={labelId} className="text-sm font-medium">
                    {pref.title}
                  </span>
                  {state === "saving" ? (
                    <span className="inline-flex items-center gap-1 text-xs text-muted-foreground">
                      <Spinner
                        className="size-3"
                        aria-label={`Saving ${pref.title}`}
                      />
                      Saving
                    </span>
                  ) : null}
                  {state === "saved" ? (
                    <span
                      role="status"
                      className="inline-flex items-center gap-1 text-xs text-muted-foreground"
                    >
                      <CheckIcon
                        aria-hidden="true"
                        className="size-3 text-success"
                      />
                      Saved
                    </span>
                  ) : null}
                </div>
                <p
                  id={descriptionId}
                  className="text-sm text-muted-foreground text-pretty"
                >
                  {pref.description}
                </p>
              </div>
              <Switch
                aria-labelledby={labelId}
                aria-describedby={descriptionId}
                checked={values[pref.id]}
                disabled={state === "saving"}
                onCheckedChange={(checked) => toggle(pref.id, checked)}
                className="mt-0.5"
              />
            </div>
          );
        })}
      </CardContent>
      <p className="sr-only" aria-live="polite">
        {savingCount > 0 ? "Saving changes" : ""}
      </p>
    </Card>
  );
}

TSX
"use client";

import { RefreshCwIcon } from "lucide-react";
import { useEffect, useRef, useState } from "react";

import { Button } from "@/components/ui/button";
import {
  Card,
  CardAction,
  CardContent,
  CardDescription,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card";
import { Spinner } from "@/components/ui/spinner";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { ToggleGroup, ToggleGroupItem } from "@/components/ui/toggle-group";

type Range = "24h" | "7d" | "30d";

const ranges: { value: Range; label: string; long: string }[] = [
  { value: "24h", label: "24h", long: "last 24 hours" },
  { value: "7d", label: "7d", long: "last 7 days" },
  { value: "30d", label: "30d", long: "last 30 days" },
];

const data: Record<Range, { path: string; views: number; change: number }[]> = {
  "24h": [
    { path: "/pricing", views: 1_284, change: 12 },
    { path: "/docs/getting-started", views: 962, change: 4 },
    { path: "/blog/usage-based-billing", views: 711, change: 38 },
    { path: "/changelog", views: 406, change: -6 },
  ],
  "7d": [
    { path: "/pricing", views: 8_930, change: 7 },
    { path: "/blog/usage-based-billing", views: 6_115, change: 64 },
    { path: "/docs/getting-started", views: 5_870, change: 2 },
    { path: "/integrations/stripe", views: 2_342, change: -3 },
  ],
  "30d": [
    { path: "/pricing", views: 36_402, change: 9 },
    { path: "/docs/getting-started", views: 24_117, change: 11 },
    { path: "/blog/usage-based-billing", views: 19_880, change: 120 },
    { path: "/integrations/stripe", views: 10_245, change: 5 },
  ],
};

const number = new Intl.NumberFormat("en-US");

export default function Spinner10() {
  const [range, setRange] = useState<Range>("7d");
  const [shown, setShown] = useState<Range>("7d");
  const [loading, setLoading] = useState(false);
  const [updated, setUpdated] = useState("Updated 4 min ago");
  const timer = useRef<number | undefined>(undefined);

  useEffect(() => () => window.clearTimeout(timer.current), []);

  function load(next: Range) {
    setRange(next);
    setLoading(true);
    window.clearTimeout(timer.current);
    timer.current = window.setTimeout(() => {
      setShown(next);
      setLoading(false);
      setUpdated("Updated just now");
    }, 1000);
  }

  const label = ranges.find((r) => r.value === range)?.long ?? "";

  return (
    <Card className="w-full max-w-lg">
      <CardHeader>
        <CardTitle>Top pages</CardTitle>
        <CardDescription>Unique page views, {label}</CardDescription>
        <CardAction>
          <Button
            variant="ghost"
            size="icon-sm"
            aria-label="Refresh top pages"
            disabled={loading}
            onClick={() => load(range)}
          >
            {loading ? (
              <Spinner aria-hidden="true" role="presentation" />
            ) : (
              <RefreshCwIcon aria-hidden="true" />
            )}
          </Button>
        </CardAction>
      </CardHeader>
      <CardContent className="grid gap-3">
        <ToggleGroup
          variant="outline"
          size="sm"
          value={[range]}
          onValueChange={(value) => {
            const next = value[0] as Range | undefined;
            if (next && next !== range) load(next);
          }}
          aria-label="Time range"
        >
          {ranges.map((r) => (
            <ToggleGroupItem
              key={r.value}
              value={r.value}
              aria-label={`Show ${r.long}`}
            >
              {r.label}
            </ToggleGroupItem>
          ))}
        </ToggleGroup>
        <div className="relative" aria-busy={loading}>
          <Table
            className={
              loading ? "opacity-40 transition-opacity" : "transition-opacity"
            }
          >
            <TableHeader>
              <TableRow>
                <TableHead>Page</TableHead>
                <TableHead className="text-right">Views</TableHead>
                <TableHead className="text-right">Change</TableHead>
              </TableRow>
            </TableHeader>
            <TableBody>
              {data[shown].map((row) => (
                <TableRow key={row.path}>
                  <TableCell className="max-w-24 truncate font-medium sm:max-w-40">
                    {row.path}
                  </TableCell>
                  <TableCell className="text-right tabular-nums">
                    {number.format(row.views)}
                  </TableCell>
                  <TableCell
                    className={`text-right tabular-nums ${
                      row.change < 0 ? "text-destructive" : "text-success"
                    }`}
                  >
                    {row.change > 0 ? "+" : ""}
                    {row.change}%
                  </TableCell>
                </TableRow>
              ))}
            </TableBody>
          </Table>
          {loading ? (
            <div className="absolute inset-0 flex items-center justify-center">
              <div className="flex items-center gap-2 rounded-lg border border-border bg-popover px-3 py-2 text-sm text-popover-foreground shadow-md">
                <Spinner aria-label={`Loading ${label}`} />
                Loading {label}
              </div>
            </div>
          ) : null}
        </div>
      </CardContent>
      <CardFooter className="text-xs text-muted-foreground">
        <span aria-live="polite">{loading ? "Refreshing…" : updated}</span>
      </CardFooter>
    </Card>
  );
}

TSX
"use client";

import {
  CircleAlertIcon,
  CircleCheckIcon,
  FileImageIcon,
  FileSpreadsheetIcon,
  FileTextIcon,
  FileVideoIcon,
} from "lucide-react";
import { useCallback, useEffect, useRef, useState } from "react";

import { Button } from "@/components/ui/button";
import { Spinner } from "@/components/ui/spinner";

type Stage = "uploading" | "scanning" | "preview" | "ready" | "failed";

type QueuedFile = {
  id: string;
  name: string;
  size: string;
  icon: typeof FileTextIcon;
  stage: Stage;
  failsOnce?: boolean;
};

const stageLabel: Record<Stage, string> = {
  uploading: "Uploading",
  scanning: "Scanning for malware",
  preview: "Generating preview",
  ready: "Ready",
  failed: "Couldn't generate a preview",
};

const nextStage: Partial<Record<Stage, Stage>> = {
  uploading: "scanning",
  scanning: "preview",
  preview: "ready",
};

const initialFiles: QueuedFile[] = [
  {
    id: "f1",
    name: "Q3 board deck.pdf",
    size: "4.2 MB",
    icon: FileTextIcon,
    stage: "uploading",
  },
  {
    id: "f2",
    name: "Revenue by region.xlsx",
    size: "812 KB",
    icon: FileSpreadsheetIcon,
    stage: "uploading",
  },
  {
    id: "f3",
    name: "Product walkthrough.mp4",
    size: "48.6 MB",
    icon: FileVideoIcon,
    stage: "uploading",
    failsOnce: true,
  },
  {
    id: "f4",
    name: "Team offsite.jpg",
    size: "2.9 MB",
    icon: FileImageIcon,
    stage: "uploading",
  },
];

export default function Spinner11() {
  const [files, setFiles] = useState(initialFiles);
  const timers = useRef<number[]>([]);

  const filesRef = useRef(files);

  useEffect(() => {
    filesRef.current = files;
  }, [files]);

  const advance = useCallback((id: string, delay: number) => {
    timers.current.push(
      window.setTimeout(() => {
        const file = filesRef.current.find((item) => item.id === id);
        if (!file) return;
        const fails = file.stage === "preview" && file.failsOnce;
        const next: Stage | undefined = fails
          ? "failed"
          : nextStage[file.stage];
        if (!next) return;
        setFiles((prev) =>
          prev.map((item) =>
            item.id === id
              ? {
                  ...item,
                  stage: next,
                  failsOnce: fails ? false : item.failsOnce,
                }
              : item,
          ),
        );
        if (next !== "ready" && next !== "failed") {
          advance(id, 900 + Math.random() * 700);
        }
      }, delay),
    );
  }, []);

  const start = useCallback(() => {
    initialFiles.forEach((file, index) => {
      advance(file.id, 700 + index * 450);
    });
  }, [advance]);

  useEffect(() => {
    start();
    const pending = timers.current;
    return () => {
      for (const id of pending) window.clearTimeout(id);
    };
  }, [start]);

  function retry(id: string) {
    setFiles((prev) =>
      prev.map((file) =>
        file.id === id ? { ...file, stage: "preview" } : file,
      ),
    );
    advance(id, 1200);
  }

  function replay() {
    for (const id of timers.current) window.clearTimeout(id);
    timers.current.length = 0;
    setFiles(initialFiles);
    start();
  }

  const ready = files.filter((file) => file.stage === "ready").length;
  const failed = files.filter((file) => file.stage === "failed").length;
  const working = files.length - ready - failed;

  return (
    <section
      aria-labelledby="spinner-11-title"
      className="w-full max-w-md overflow-hidden rounded-xl border border-border bg-card text-card-foreground"
    >
      <header className="flex items-center justify-between gap-3 border-b border-border px-4 py-3">
        <div className="grid min-w-0 gap-0.5">
          <h3 id="spinner-11-title" className="text-sm font-medium text-balance">
            Adding to “Board meeting · October”
          </h3>
          <p className="text-xs text-muted-foreground" aria-live="polite">
            {working > 0
              ? `Processing ${working} of ${files.length} files`
              : `${ready} of ${files.length} files ready`}
            {failed > 0 ? ` · ${failed} needs attention` : ""}
          </p>
        </div>
        {working > 0 ? (
          <Spinner
            className="size-5 text-muted-foreground"
            aria-label="Processing files"
          />
        ) : (
          <Button size="sm" variant="outline" onClick={replay}>
            Upload again
          </Button>
        )}
      </header>
      <ul className="divide-y divide-border">
        {files.map((file) => {
          const Icon = file.icon;
          const busy = file.stage !== "ready" && file.stage !== "failed";
          return (
            <li
              key={file.id}
              aria-busy={busy}
              className="flex items-center gap-3 px-4 py-3"
            >
              <span className="flex size-9 shrink-0 items-center justify-center rounded-md bg-muted text-muted-foreground">
                <Icon aria-hidden="true" className="size-4" />
              </span>
              <div className="grid min-w-0 flex-1 gap-0.5">
                <span className="truncate text-sm font-medium">
                  {file.name}
                </span>
                <span
                  className={`flex items-center gap-1.5 text-xs ${
                    file.stage === "failed"
                      ? "text-destructive"
                      : "text-muted-foreground"
                  }`}
                >
                  {busy ? (
                    <Spinner
                      className="size-3"
                      aria-label={`${stageLabel[file.stage]}: ${file.name}`}
                    />
                  ) : null}
                  <span className="min-w-0">
                    {file.size} · {stageLabel[file.stage]}
                  </span>
                </span>
              </div>
              {file.stage === "ready" ? (
                <CircleCheckIcon
                  aria-label="Ready"
                  role="img"
                  className="size-4 shrink-0 text-success"
                />
              ) : null}
              {file.stage === "failed" ? (
                <div className="flex shrink-0 items-center gap-2">
                  <CircleAlertIcon
                    aria-hidden="true"
                    className="size-4 text-destructive"
                  />
                  <Button
                    size="xs"
                    variant="outline"
                    onClick={() => retry(file.id)}
                    aria-label={`Retry ${file.name}`}
                  >
                    Retry
                  </Button>
                </div>
              ) : null}
            </li>
          );
        })}
      </ul>
    </section>
  );
}

TSX
"use client";

import { ArrowUpIcon, CheckCheckIcon } from "lucide-react";
import { useEffect, useRef, useState } from "react";

import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import {
  InputGroup,
  InputGroupAddon,
  InputGroupButton,
  InputGroupInput,
} from "@/components/ui/input-group";
import { Spinner } from "@/components/ui/spinner";

type ChatMessage = {
  id: number;
  from: "agent" | "customer";
  text: string;
  status?: "sending" | "delivered";
};

const initialMessages: ChatMessage[] = [
  {
    id: 1,
    from: "agent",
    text: "Hi Jordan, I'm Ava from Parcelry support. What can I help you with today?",
  },
];

const agentReplies = [
  "Found it. Order PX-48213 left our Denver warehouse this morning and is due Thursday by 8 pm. I've sent the tracking link to your email.",
  "Got it. I've added that to your ticket PR-2291, and a teammate will follow up by email within a day.",
];

export default function Spinner12() {
  const [messages, setMessages] = useState(initialMessages);
  const [draft, setDraft] = useState("Where is my order PX-48213?");
  const [agentWorking, setAgentWorking] = useState(false);
  const timers = useRef<number[]>([]);
  const nextId = useRef(2);
  const replyCount = useRef(0);
  const scroller = useRef<HTMLDivElement>(null);

  useEffect(() => {
    const pending = timers.current;
    return () => {
      for (const id of pending) window.clearTimeout(id);
    };
  }, []);

  useEffect(() => {
    const node = scroller.current;
    if (node && (messages.length > 0 || agentWorking)) {
      node.scrollTop = node.scrollHeight;
    }
  }, [messages, agentWorking]);

  function later(fn: () => void, ms: number) {
    timers.current.push(window.setTimeout(fn, ms));
  }

  function send(event: React.FormEvent<HTMLFormElement>) {
    event.preventDefault();
    const text = draft.trim();
    if (!text) return;
    const id = nextId.current++;
    setMessages((prev) => [
      ...prev,
      { id, from: "customer", text, status: "sending" },
    ]);
    setDraft("");
    later(() => {
      setMessages((prev) =>
        prev.map((m) => (m.id === id ? { ...m, status: "delivered" } : m)),
      );
      setAgentWorking(true);
    }, 800);
    later(() => {
      const text =
        agentReplies[Math.min(replyCount.current++, agentReplies.length - 1)];
      setAgentWorking(false);
      setMessages((prev) => [
        ...prev,
        { id: nextId.current++, from: "agent", text },
      ]);
    }, 3000);
  }

  return (
    <section
      aria-labelledby="spinner-12-title"
      className="flex h-[26rem] w-full max-w-sm flex-col overflow-hidden rounded-xl border border-border bg-card text-card-foreground"
    >
      <header className="flex items-center gap-3 border-b border-border px-4 py-3">
        <Avatar>
          <AvatarImage src="/placeholder.svg" alt="" />
          <AvatarFallback>AR</AvatarFallback>
        </Avatar>
        <div className="grid gap-0.5">
          <h3 id="spinner-12-title" className="text-sm font-medium">
            Ava Ramirez
          </h3>
          <p className="text-xs text-muted-foreground">
            Parcelry support · replies in about 2 min
          </p>
        </div>
      </header>

      <div
        ref={scroller}
        role="log"
        aria-label="Conversation with Ava"
        className="flex flex-1 flex-col gap-3 overflow-y-auto px-4 py-4"
      >
        {messages.map((message) =>
          message.from === "agent" ? (
            <p
              key={message.id}
              className="max-w-[85%] self-start rounded-2xl rounded-bl-md bg-muted px-3 py-2 text-sm"
            >
              {message.text}
            </p>
          ) : (
            <div
              key={message.id}
              className="flex max-w-[85%] flex-col items-end gap-1 self-end"
            >
              <p
                className={`rounded-2xl rounded-br-md bg-primary px-3 py-2 text-sm text-primary-foreground transition-opacity ${
                  message.status === "sending" ? "opacity-70" : ""
                }`}
              >
                {message.text}
              </p>
              <span className="flex items-center gap-1 text-[0.6875rem] text-muted-foreground">
                {message.status === "sending" ? (
                  <>
                    <Spinner className="size-3" aria-label="Sending message" />
                    Sending
                  </>
                ) : (
                  <>
                    <CheckCheckIcon aria-hidden="true" className="size-3" />
                    Delivered
                  </>
                )}
              </span>
            </div>
          ),
        )}
        {agentWorking ? (
          <div className="flex items-center gap-2 self-start rounded-full border border-border px-3 py-1.5 text-xs text-muted-foreground">
            <Spinner className="size-3.5" aria-label="Ava is looking this up" />
            Ava is checking shipment records
          </div>
        ) : null}
      </div>

      <form onSubmit={send} className="border-t border-border p-3">
        <InputGroup>
          <InputGroupInput
            aria-label="Message"
            placeholder="Write a message"
            value={draft}
            onChange={(event) => setDraft(event.target.value)}
          />
          <InputGroupAddon align="inline-end">
            <InputGroupButton
              type="submit"
              size="icon-xs"
              variant="default"
              aria-label="Send message"
              disabled={!draft.trim()}
              className="rounded-full"
            >
              <ArrowUpIcon aria-hidden="true" />
            </InputGroupButton>
          </InputGroupAddon>
        </InputGroup>
      </form>
    </section>
  );
}