nanobot/webui/src/components/thread/ThreadComposer.tsx
Xubin Ren e936ed48bd feat: add image generation tool and WebUI mode
Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-08 20:06:23 +08:00

877 lines
30 KiB
TypeScript

import {
useCallback,
useEffect,
useMemo,
useRef,
useState,
type KeyboardEvent as ReactKeyboardEvent,
} from "react";
import {
Activity,
ArrowUp,
BookOpen,
Check,
ChevronDown,
CircleHelp,
History,
ImageIcon,
Loader2,
Plus,
RotateCw,
Sparkles,
Square,
SquarePen,
Undo2,
X,
type LucideIcon,
} from "lucide-react";
import { useTranslation } from "react-i18next";
import { Button } from "@/components/ui/button";
import {
useAttachedImages,
type AttachedImage,
type AttachmentError,
MAX_IMAGES_PER_MESSAGE,
} from "@/hooks/useAttachedImages";
import { useClipboardAndDrop } from "@/hooks/useClipboardAndDrop";
import type { SendImage, SendOptions } from "@/hooks/useNanobotStream";
import type { SlashCommand } from "@/lib/types";
import { cn } from "@/lib/utils";
/** ``<input accept>``: aligned with the server's MIME whitelist. SVG is
* deliberately excluded to avoid an embedded-script XSS surface. */
const ACCEPT_ATTR = "image/png,image/jpeg,image/webp,image/gif";
function formatBytes(n: number): string {
if (n < 1024) return `${n} B`;
if (n < 1024 * 1024) return `${(n / 1024).toFixed(1)} KB`;
return `${(n / (1024 * 1024)).toFixed(1)} MB`;
}
interface ThreadComposerProps {
onSend: (content: string, images?: SendImage[], options?: SendOptions) => void;
disabled?: boolean;
placeholder?: string;
isStreaming?: boolean;
modelLabel?: string | null;
variant?: "thread" | "hero";
slashCommands?: SlashCommand[];
imageMode?: boolean;
onImageModeChange?: (enabled: boolean) => void;
onStop?: () => void;
}
const COMMAND_ICONS: Record<string, LucideIcon> = {
activity: Activity,
"book-open": BookOpen,
"circle-help": CircleHelp,
history: History,
"rotate-cw": RotateCw,
sparkles: Sparkles,
square: Square,
"square-pen": SquarePen,
"undo-2": Undo2,
};
type ImageAspectRatio = "auto" | "1:1" | "3:4" | "9:16" | "4:3" | "16:9";
const IMAGE_ASPECT_RATIOS: ImageAspectRatio[] = ["auto", "1:1", "3:4", "9:16", "4:3", "16:9"];
function slashCommandI18nKey(command: string): string {
return command.replace(/^\//, "").replace(/-/g, "_");
}
function scrollNearestOverflowParent(target: EventTarget | null, deltaY: number) {
if (!(target instanceof Element) || deltaY === 0) return;
let el: HTMLElement | null = target.parentElement;
while (el) {
const style = window.getComputedStyle(el);
const canScroll = /(auto|scroll)/.test(style.overflowY) && el.scrollHeight > el.clientHeight;
if (canScroll) {
el.scrollTop += deltaY;
return;
}
el = el.parentElement;
}
}
export function ThreadComposer({
onSend,
disabled,
placeholder,
isStreaming = false,
modelLabel = null,
variant = "thread",
slashCommands = [],
imageMode: controlledImageMode,
onImageModeChange,
onStop,
}: ThreadComposerProps) {
const { t } = useTranslation();
const [value, setValue] = useState("");
const [inlineError, setInlineError] = useState<string | null>(null);
const [slashMenuDismissed, setSlashMenuDismissed] = useState(false);
const [selectedCommandIndex, setSelectedCommandIndex] = useState(0);
const [uncontrolledImageMode, setUncontrolledImageMode] = useState(false);
const [imageAspectRatio, setImageAspectRatio] = useState<ImageAspectRatio>("auto");
const [aspectMenuOpen, setAspectMenuOpen] = useState(false);
const textareaRef = useRef<HTMLTextAreaElement>(null);
const fileInputRef = useRef<HTMLInputElement>(null);
const aspectControlRef = useRef<HTMLDivElement>(null);
const chipRefs = useRef(new Map<string, HTMLButtonElement>());
const isHero = variant === "hero";
const imageMode = controlledImageMode ?? uncontrolledImageMode;
const setImageMode = useCallback(
(enabled: boolean) => {
if (controlledImageMode === undefined) {
setUncontrolledImageMode(enabled);
}
onImageModeChange?.(enabled);
},
[controlledImageMode, onImageModeChange],
);
const resolvedPlaceholder = isStreaming
? t("thread.composer.placeholderStreaming")
: imageMode
? t("thread.composer.imageMode.placeholder")
: placeholder ?? t("thread.composer.placeholderThread");
const { images, enqueue, remove, clear, encoding, full } =
useAttachedImages();
const formatRejection = useCallback(
(reason: AttachmentError): string => {
const key = `thread.composer.imageRejected.${reason}`;
return t(key, { max: MAX_IMAGES_PER_MESSAGE });
},
[t],
);
const addFiles = useCallback(
(files: File[]) => {
if (files.length === 0) return;
const { rejected } = enqueue(files);
if (rejected.length > 0) {
setInlineError(formatRejection(rejected[0].reason));
} else {
setInlineError(null);
}
},
[enqueue, formatRejection],
);
const {
isDragging,
onPaste,
onDragEnter,
onDragOver,
onDragLeave,
onDrop,
} = useClipboardAndDrop(addFiles);
useEffect(() => {
if (disabled) return;
const el = textareaRef.current;
if (!el) return;
const id = requestAnimationFrame(() => el.focus());
return () => cancelAnimationFrame(id);
}, [disabled]);
const readyImages = useMemo(
() => images.filter((img): img is AttachedImage & { dataUrl: string } =>
img.status === "ready" && typeof img.dataUrl === "string",
),
[images],
);
const hasErrors = images.some((img) => img.status === "error");
const canSend =
!disabled
&& !encoding
&& !hasErrors
&& (value.trim().length > 0 || readyImages.length > 0);
const slashQuery = useMemo(() => {
if (disabled || slashMenuDismissed || !value.startsWith("/")) return null;
const commandToken = value.slice(1);
if (/\s/.test(commandToken)) return null;
return commandToken.toLowerCase();
}, [disabled, slashMenuDismissed, value]);
const filteredSlashCommands = useMemo(() => {
if (slashQuery === null) return [];
return slashCommands
.filter((command) => {
const haystack = [
command.command,
command.title,
command.description,
command.argHint ?? "",
t(`thread.composer.slash.commands.${slashCommandI18nKey(command.command)}.title`, {
defaultValue: "",
}),
t(`thread.composer.slash.commands.${slashCommandI18nKey(command.command)}.description`, {
defaultValue: "",
}),
].join(" ").toLowerCase();
return haystack.includes(slashQuery);
})
.slice(0, 8);
}, [slashCommands, slashQuery, t]);
const showSlashMenu = filteredSlashCommands.length > 0;
useEffect(() => {
setSelectedCommandIndex(0);
}, [slashQuery]);
useEffect(() => {
if (selectedCommandIndex >= filteredSlashCommands.length) {
setSelectedCommandIndex(0);
}
}, [filteredSlashCommands.length, selectedCommandIndex]);
useEffect(() => {
if (!aspectMenuOpen) return;
const closeOnPointerDown = (event: PointerEvent) => {
const target = event.target;
if (target instanceof Node && aspectControlRef.current?.contains(target)) return;
setAspectMenuOpen(false);
};
const closeOnKeyDown = (event: KeyboardEvent) => {
if (event.key === "Escape") {
setAspectMenuOpen(false);
textareaRef.current?.focus();
}
};
const closeOnScroll = () => setAspectMenuOpen(false);
const closeOnWheel = (event: WheelEvent) => {
setAspectMenuOpen(false);
scrollNearestOverflowParent(event.target, event.deltaY);
};
document.addEventListener("pointerdown", closeOnPointerDown, true);
document.addEventListener("keydown", closeOnKeyDown);
document.addEventListener("scroll", closeOnScroll, true);
document.addEventListener("wheel", closeOnWheel, { capture: true, passive: true });
return () => {
document.removeEventListener("pointerdown", closeOnPointerDown, true);
document.removeEventListener("keydown", closeOnKeyDown);
document.removeEventListener("scroll", closeOnScroll, true);
document.removeEventListener("wheel", closeOnWheel, true);
};
}, [aspectMenuOpen]);
const resizeTextarea = useCallback(() => {
requestAnimationFrame(() => {
const el = textareaRef.current;
if (!el) return;
el.style.height = "auto";
el.style.height = `${Math.min(el.scrollHeight, 260)}px`;
el.focus();
});
}, []);
const chooseSlashCommand = useCallback(
(command: SlashCommand) => {
setValue(command.argHint ? `${command.command} ` : command.command);
setSlashMenuDismissed(true);
setInlineError(null);
resizeTextarea();
},
[resizeTextarea],
);
const submit = useCallback(() => {
if (!canSend) return;
const trimmed = value.trim();
// Share the same normalized ``data:`` URL with both the wire payload and
// the optimistic bubble preview: data URLs are self-contained (no blob
// lifetime, safe under React StrictMode double-mount) and keep the
// bubble in sync with whatever the backend actually sees.
const payload: SendImage[] | undefined =
readyImages.length > 0
? readyImages.map((img) => ({
media: {
data_url: img.dataUrl,
name: img.file.name,
},
preview: { url: img.dataUrl, name: img.file.name },
}))
: undefined;
const options: SendOptions | undefined = imageMode
? {
imageGeneration: {
enabled: true,
aspect_ratio: imageAspectRatio === "auto" ? null : imageAspectRatio,
},
}
: undefined;
onSend(trimmed, payload, options);
setValue("");
setInlineError(null);
// Bubble owns the data URL copy; safe to revoke every staged blob
// preview here without affecting the rendered message.
clear();
setSlashMenuDismissed(false);
resizeTextarea();
}, [canSend, clear, imageAspectRatio, imageMode, onSend, readyImages, resizeTextarea, value]);
const onKeyDown = (e: ReactKeyboardEvent<HTMLTextAreaElement>) => {
if (showSlashMenu) {
if (e.key === "ArrowDown") {
e.preventDefault();
setSelectedCommandIndex((idx) => (idx + 1) % filteredSlashCommands.length);
return;
}
if (e.key === "ArrowUp") {
e.preventDefault();
setSelectedCommandIndex(
(idx) => (idx - 1 + filteredSlashCommands.length) % filteredSlashCommands.length,
);
return;
}
if (e.key === "Tab" || (e.key === "Enter" && !e.shiftKey)) {
e.preventDefault();
chooseSlashCommand(filteredSlashCommands[selectedCommandIndex]);
return;
}
if (e.key === "Escape") {
e.preventDefault();
setSlashMenuDismissed(true);
return;
}
}
if (e.key === "Enter" && !e.shiftKey && !e.nativeEvent.isComposing) {
e.preventDefault();
submit();
}
};
const onInput: React.FormEventHandler<HTMLTextAreaElement> = (e) => {
const el = e.currentTarget;
el.style.height = "auto";
el.style.height = `${Math.min(el.scrollHeight, 260)}px`;
};
const onFilePick: React.ChangeEventHandler<HTMLInputElement> = (e) => {
const files = Array.from(e.target.files ?? []);
e.target.value = "";
addFiles(files);
};
const removeChip = useCallback(
(id: string) => {
const { nextFocusId } = remove(id);
setInlineError(null);
requestAnimationFrame(() => {
const el = nextFocusId ? chipRefs.current.get(nextFocusId) : null;
if (el) {
el.focus();
} else {
textareaRef.current?.focus();
}
});
},
[remove],
);
const onChipKey = useCallback(
(id: string) => (e: ReactKeyboardEvent<HTMLButtonElement>) => {
if (
e.key === "Delete" ||
e.key === "Backspace" ||
e.key === "Enter" ||
e.key === " "
) {
e.preventDefault();
removeChip(id);
}
},
[removeChip],
);
const attachButtonDisabled = disabled || full;
const showStopButton = isStreaming && !!onStop;
return (
<form
onSubmit={(e) => {
e.preventDefault();
submit();
}}
onDragEnter={onDragEnter}
onDragOver={onDragOver}
onDragLeave={onDragLeave}
onDrop={onDrop}
className={cn("relative w-full", isHero ? "px-0" : "px-1 pb-1.5 pt-1 sm:px-0")}
>
{showSlashMenu ? (
<SlashCommandPalette
commands={filteredSlashCommands}
selectedIndex={selectedCommandIndex}
isHero={isHero}
onHover={setSelectedCommandIndex}
onChoose={chooseSlashCommand}
/>
) : null}
<div
className={cn(
"relative mx-auto flex w-full flex-col overflow-visible transition-all duration-200",
isHero
? "max-w-[58rem] rounded-[28px] border border-black/[0.035] bg-card shadow-[0_20px_55px_rgba(15,23,42,0.08)] dark:border-white/[0.06] dark:shadow-[0_24px_55px_rgba(0,0,0,0.34)]"
: "max-w-[49.5rem] rounded-[22px] border border-black/[0.035] bg-card shadow-[0_12px_30px_rgba(15,23,42,0.07)] dark:border-white/[0.06] dark:shadow-[0_16px_34px_rgba(0,0,0,0.28)]",
"focus-within:ring-1 focus-within:ring-foreground/8",
disabled && "opacity-60",
isDragging && "ring-2 ring-primary/40 motion-reduce:ring-0 motion-reduce:border-primary",
)}
>
{images.length > 0 ? (
<div
className="flex flex-wrap gap-2 px-3 pt-3"
aria-label={t("thread.composer.attachImage")}
>
{images.map((img) => (
<AttachmentChip
key={img.id}
image={img}
labelRemove={t("thread.composer.remove")}
labelEncoding={t("thread.composer.encoding")}
normalizedHint={(orig, current) =>
t("thread.composer.normalizedSizeHint", {
orig: formatBytes(orig),
current: formatBytes(current),
})
}
formatError={formatRejection}
onRemove={() => removeChip(img.id)}
onKeyDown={onChipKey(img.id)}
registerRef={(el) => {
if (el) chipRefs.current.set(img.id, el);
else chipRefs.current.delete(img.id);
}}
/>
))}
</div>
) : null}
<textarea
ref={textareaRef}
value={value}
onChange={(e) => {
setValue(e.target.value);
setSlashMenuDismissed(false);
}}
onInput={onInput}
onKeyDown={onKeyDown}
onPaste={onPaste}
rows={1}
placeholder={resolvedPlaceholder}
disabled={disabled}
aria-label={t("thread.composer.inputAria")}
className={cn(
"w-full resize-none bg-transparent",
isHero
? "min-h-[78px] px-5 pb-2 pt-5 text-[16px] leading-6"
: "min-h-[50px] px-4 pb-1.5 pt-3 text-sm",
"placeholder:text-muted-foreground/70",
"focus:outline-none focus-visible:outline-none",
"disabled:cursor-not-allowed",
)}
/>
{inlineError ? (
<div
role="alert"
className={cn(
"mx-3 mb-1 rounded-md border border-destructive/40 bg-destructive/8 px-2.5 py-1",
"text-[11.5px] font-medium text-destructive",
)}
>
{inlineError}
</div>
) : null}
<div
className={cn(
"flex items-center justify-between gap-2",
isHero ? "px-4 pb-4" : "px-3 pb-2",
)}
>
<div className="flex min-w-0 items-center gap-2">
<input
ref={fileInputRef}
type="file"
accept={ACCEPT_ATTR}
multiple
hidden
onChange={onFilePick}
/>
<Button
type="button"
size="icon"
variant="ghost"
disabled={attachButtonDisabled}
aria-label={t("thread.composer.attachImage")}
onClick={() => fileInputRef.current?.click()}
className={cn(
"rounded-full text-muted-foreground hover:text-foreground",
isHero
? "h-9 w-9 border border-border/55 bg-card shadow-[0_2px_8px_rgba(15,23,42,0.05)] hover:bg-card"
: "h-7.5 w-7.5 border border-border/55 bg-card shadow-[0_2px_8px_rgba(15,23,42,0.05)] hover:bg-card",
)}
>
<Plus className={cn(isHero ? "h-5 w-5" : "h-4 w-4")} />
</Button>
<div ref={aspectControlRef} className="relative flex items-center gap-1">
<Button
type="button"
variant="ghost"
disabled={disabled}
aria-pressed={imageMode}
aria-label={t("thread.composer.imageMode.toggle")}
onClick={() => {
setImageMode(!imageMode);
setAspectMenuOpen(false);
textareaRef.current?.focus();
}}
className={cn(
"rounded-full border border-border/55 px-2.5 font-medium shadow-[0_2px_8px_rgba(15,23,42,0.04)]",
isHero ? "h-9 text-[12px]" : "h-7.5 text-[10.5px]",
imageMode
? "border-primary/30 bg-primary/10 text-primary hover:bg-primary/12"
: "bg-card text-muted-foreground hover:bg-card hover:text-foreground",
)}
>
<ImageIcon className={cn("mr-1.5", isHero ? "h-4 w-4" : "h-3.5 w-3.5")} />
{t("thread.composer.imageMode.label")}
</Button>
{imageMode ? (
<Button
type="button"
variant="ghost"
disabled={disabled}
aria-haspopup="listbox"
aria-expanded={aspectMenuOpen}
aria-label={t("thread.composer.imageMode.aspectAria")}
onClick={() => setAspectMenuOpen((open) => !open)}
className={cn(
"rounded-full border border-border/55 bg-card px-2.5 font-medium text-foreground/80 shadow-[0_2px_8px_rgba(15,23,42,0.04)] hover:bg-card",
isHero ? "h-9 text-[12px]" : "h-7.5 text-[10.5px]",
)}
>
<span>{t(`thread.composer.imageMode.aspect.${imageAspectRatio.replace(":", "_")}`)}</span>
<ChevronDown className={cn("ml-1.5", isHero ? "h-3.5 w-3.5" : "h-3 w-3")} />
</Button>
) : null}
{imageMode && aspectMenuOpen ? (
<ImageAspectMenu
selected={imageAspectRatio}
isHero={isHero}
onSelect={(ratio) => {
setImageAspectRatio(ratio);
setAspectMenuOpen(false);
textareaRef.current?.focus();
}}
/>
) : null}
</div>
{modelLabel ? (
<span
title={modelLabel}
className={cn(
"inline-flex min-w-0 items-center gap-1.5 rounded-full border px-2.5 py-1",
"border-foreground/10 bg-foreground/[0.035] font-medium text-foreground/80",
isHero
? "max-w-[13rem] text-[12px] shadow-[0_2px_8px_rgba(15,23,42,0.04)]"
: "max-w-[10rem] text-[10.5px] shadow-[0_2px_8px_rgba(15,23,42,0.035)]",
)}
>
<span
aria-hidden
className="h-1.5 w-1.5 flex-none rounded-full bg-emerald-500/80"
/>
<span className="truncate">{modelLabel}</span>
</span>
) : null}
{!isHero ? (
<span className="hidden select-none text-[10.5px] text-muted-foreground/60 sm:inline">
{t("thread.composer.sendHint")}
</span>
) : null}
</div>
<span className={cn(isHero ? "hidden" : "sm:hidden")} aria-hidden />
<Button
type={showStopButton ? "button" : "submit"}
size="icon"
disabled={showStopButton ? disabled : !canSend}
aria-label={showStopButton ? t("thread.composer.stop") : t("thread.composer.send")}
onClick={showStopButton ? onStop : undefined}
className={cn(
"rounded-full transition-transform",
showStopButton
? "border border-border/70 bg-card text-foreground/85 shadow-[0_3px_10px_rgba(15,23,42,0.08)] hover:bg-muted/65 hover:text-foreground disabled:text-muted-foreground/50"
: isHero
? "border border-foreground bg-foreground text-background shadow-[0_4px_12px_rgba(15,23,42,0.20)] hover:bg-foreground/90 disabled:border-foreground/35 disabled:bg-foreground/35 disabled:text-background/80"
: "border border-foreground bg-foreground text-background shadow-[0_3px_10px_rgba(15,23,42,0.18)] hover:bg-foreground/90 disabled:border-foreground/35 disabled:bg-foreground/35 disabled:text-background/80",
isHero ? "" : "h-7.5 w-7.5",
(canSend || showStopButton) && "hover:scale-[1.03] active:scale-95",
)}
>
{showStopButton ? (
<Square className={cn("fill-current stroke-current", isHero ? "h-3 w-3" : "h-2.5 w-2.5")} />
) : isStreaming ? (
<Loader2 className={cn(isHero ? "h-4.5 w-4.5" : "h-4 w-4", "animate-spin")} />
) : (
<ArrowUp className={cn(isHero ? "h-4.5 w-4.5" : "h-4 w-4")} />
)}
</Button>
</div>
</div>
</form>
);
}
interface SlashCommandPaletteProps {
commands: SlashCommand[];
selectedIndex: number;
isHero: boolean;
onHover: (index: number) => void;
onChoose: (command: SlashCommand) => void;
}
function ImageAspectMenu({
selected,
isHero,
onSelect,
}: {
selected: ImageAspectRatio;
isHero: boolean;
onSelect: (ratio: ImageAspectRatio) => void;
}) {
const { t } = useTranslation();
return (
<div
role="listbox"
aria-label={t("thread.composer.imageMode.aspectAria")}
className={cn(
"absolute left-0 z-30 w-44 overflow-hidden rounded-[16px] border",
isHero ? "top-full mt-2" : "bottom-full mb-2",
"border-border/65 bg-popover p-1.5 text-popover-foreground shadow-[0_16px_45px_rgba(15,23,42,0.16)]",
"dark:border-white/10 dark:shadow-[0_18px_45px_rgba(0,0,0,0.42)]",
isHero ? "text-[12px]" : "text-[11.5px]",
)}
>
<div className="px-2 pb-1 pt-1 font-medium text-muted-foreground/70">
{t("thread.composer.imageMode.aspectLabel")}
</div>
{IMAGE_ASPECT_RATIOS.map((ratio) => {
const label = t(`thread.composer.imageMode.aspect.${ratio.replace(":", "_")}`);
return (
<button
key={ratio}
type="button"
role="option"
aria-selected={selected === ratio}
onMouseDown={(e) => {
e.preventDefault();
onSelect(ratio);
}}
className={cn(
"flex w-full items-center justify-between rounded-[11px] px-2.5 py-2 text-left transition-colors",
selected === ratio
? "bg-primary/10 text-foreground"
: "text-foreground/86 hover:bg-accent/55",
)}
>
<span>{label}</span>
{selected === ratio ? <Check className="h-3.5 w-3.5 text-primary" /> : null}
</button>
);
})}
</div>
);
}
function SlashCommandPalette({
commands,
selectedIndex,
isHero,
onHover,
onChoose,
}: SlashCommandPaletteProps) {
const { t } = useTranslation();
return (
<div
role="listbox"
aria-label={t("thread.composer.slash.ariaLabel")}
className={cn(
"absolute bottom-full left-1/2 z-30 mb-2 max-h-[22rem] w-[calc(100%-0.5rem)] -translate-x-1/2 overflow-hidden rounded-[18px] border",
"border-border/65 bg-popover p-1.5 text-popover-foreground shadow-[0_18px_55px_rgba(15,23,42,0.18)]",
"dark:border-white/10 dark:shadow-[0_22px_55px_rgba(0,0,0,0.45)]",
isHero ? "max-w-[58rem]" : "max-w-[49.5rem]",
)}
>
<div className="px-2 pb-1 pt-1 text-[11px] font-medium tracking-[0.08em] text-muted-foreground/70">
{t("thread.composer.slash.label")}
</div>
<div className="max-h-[18rem] overflow-y-auto pr-0.5">
{commands.map((command, index) => {
const Icon = COMMAND_ICONS[command.icon] ?? CircleHelp;
const selected = index === selectedIndex;
const commandKey = slashCommandI18nKey(command.command);
const title = t(`thread.composer.slash.commands.${commandKey}.title`, {
defaultValue: command.title,
});
const description = t(`thread.composer.slash.commands.${commandKey}.description`, {
defaultValue: command.description,
});
return (
<button
key={command.command}
type="button"
role="option"
aria-selected={selected}
onMouseEnter={() => onHover(index)}
onMouseDown={(e) => {
e.preventDefault();
onChoose(command);
}}
className={cn(
"flex w-full items-center gap-3 rounded-[13px] px-3 py-2.5 text-left transition-colors",
selected
? "bg-primary/10 text-foreground"
: "text-foreground/86 hover:bg-accent/55",
)}
>
<span
className={cn(
"flex h-8 w-8 shrink-0 items-center justify-center rounded-[10px] border",
selected
? "border-primary/25 bg-primary/12 text-primary"
: "border-border/65 bg-muted/45 text-muted-foreground",
)}
>
<Icon className="h-4 w-4" />
</span>
<span className="min-w-0 flex-1">
<span className="flex min-w-0 items-baseline gap-2">
<span className="font-mono text-[13px] font-semibold text-foreground">
{command.command}
</span>
{command.argHint ? (
<span className="font-mono text-[12px] text-muted-foreground">
{command.argHint}
</span>
) : null}
<span className="truncate text-[13px] font-medium">
{title}
</span>
</span>
<span className="mt-0.5 block truncate text-[12px] text-muted-foreground">
{description}
</span>
</span>
</button>
);
})}
</div>
<div className="flex items-center gap-2 px-2 pt-1.5 text-[10.5px] text-muted-foreground/70">
<span>{t("thread.composer.slash.navigateHint")}</span>
<span>{t("thread.composer.slash.selectHint")}</span>
<span>{t("thread.composer.slash.closeHint")}</span>
</div>
</div>
);
}
interface AttachmentChipProps {
image: AttachedImage;
labelRemove: string;
labelEncoding: string;
normalizedHint: (origBytes: number, currentBytes: number) => string;
formatError: (reason: AttachmentError) => string;
onRemove: () => void;
onKeyDown: (e: ReactKeyboardEvent<HTMLButtonElement>) => void;
registerRef: (el: HTMLButtonElement | null) => void;
}
function AttachmentChip({
image,
labelRemove,
labelEncoding,
normalizedHint,
formatError,
onRemove,
onKeyDown,
registerRef,
}: AttachmentChipProps) {
const sizeLabel =
image.status === "ready" && image.normalized && image.encodedBytes
? normalizedHint(image.file.size, image.encodedBytes)
: formatBytes(image.file.size);
const tone =
image.status === "error"
? "border-destructive/40 bg-destructive/5 text-destructive"
: "border-border/70 bg-muted/60";
return (
<div
className={cn(
"group relative flex items-center gap-2 rounded-[12px] border px-2 py-1.5",
"transition-colors motion-reduce:transition-none",
tone,
)}
data-testid="composer-chip"
>
<div className="relative h-10 w-10 overflow-hidden rounded-md bg-background">
{image.previewUrl ? (
<img
src={image.previewUrl}
alt=""
aria-hidden
loading="eager"
draggable={false}
className="h-full w-full object-cover"
/>
) : (
<div className="flex h-full w-full items-center justify-center">
<ImageIcon className="h-4 w-4 text-muted-foreground" aria-hidden />
</div>
)}
{image.status === "encoding" ? (
<div
className="absolute inset-0 flex items-center justify-center bg-background/60"
aria-label={labelEncoding}
>
<Loader2 className="h-4 w-4 animate-spin motion-reduce:animate-none" aria-hidden />
</div>
) : null}
</div>
<div className="flex min-w-0 flex-col text-[11.5px] leading-4">
<span className="truncate max-w-[14rem] font-medium" title={image.file.name}>
{image.file.name}
</span>
<span className="truncate text-muted-foreground">
{image.status === "error" && image.error
? formatError(image.error)
: sizeLabel}
</span>
</div>
<button
type="button"
ref={registerRef}
onClick={onRemove}
onKeyDown={onKeyDown}
aria-label={labelRemove}
className={cn(
"ml-1 grid h-5 w-5 flex-none place-items-center rounded-full",
"text-muted-foreground/80 hover:bg-foreground/8 hover:text-foreground",
"focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-foreground/30",
)}
>
<X className="h-3.5 w-3.5" aria-hidden />
</button>
</div>
);
}