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chore: import upstream snapshot with attribution
2026-07-13 13:40:13 +08:00

333 lines
13 KiB
TypeScript

"use client";
import {
ActionBarPrimitive,
AttachmentPrimitive,
AuiIf,
ComposerPrimitive,
MessagePrimitive,
ThreadPrimitive,
useAuiState,
} from "@assistant-ui/react";
import {
ArrowUpIcon,
CheckIcon,
ChevronDownIcon,
CopyIcon,
EllipsisVertical,
ImageIcon,
Lightbulb,
Mic,
Paperclip,
PencilIcon,
PencilRuler,
PlusIcon,
RefreshCwIcon,
Telescope,
ThumbsDown,
ThumbsUp,
XIcon,
} from "lucide-react";
import { type FC, useEffect, useState } from "react";
import { useShallow } from "zustand/shallow";
import { MarkdownText } from "@/components/assistant-ui/markdown-text";
import {
DropdownMenu,
DropdownMenuContent,
DropdownMenuItem,
DropdownMenuSeparator,
DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
export const Gemini: FC = () => {
return (
<ThreadPrimitive.Root className="flex h-full flex-col overflow-hidden bg-[#fdfcfc] text-[#1f1f1f] dark:bg-[#0c0c0c] dark:text-[#e3e3e3]">
<AuiIf condition={(s) => s.thread.messages.length === 0}>
<div className="relative flex grow flex-col">
<div className="flex grow flex-col items-center justify-center px-4">
<div className="flex w-full max-w-3xl flex-col">
<h1 className="fade-in slide-in-from-bottom-3 motion-safe:animate-in fill-mode-both relative z-10 mb-6 text-center text-4xl font-normal text-[#1f1f1f] delay-500 duration-400 ease-[cubic-bezier(0.22,1,0.36,1)] dark:text-white">
How can I help you today?
</h1>
<div className="relative">
<div
aria-hidden="true"
className="fade-in zoom-in-40 blur-in-[90px] motion-safe:animate-in fill-mode-both pointer-events-none absolute top-1/2 left-1/2 h-[260px] w-[680px] max-w-[92%] -translate-x-1/2 -translate-y-1/2 rounded-[140px] bg-[#a9d1fb]/60 blur-[90px] duration-1000 ease-[cubic-bezier(0.22,1,0.36,1)] dark:bg-[#1b2f9c]/50"
/>
<div className="relative z-10">
<Composer />
</div>
</div>
</div>
</div>
</div>
</AuiIf>
<AuiIf condition={(s) => s.thread.messages.length > 0}>
<ThreadPrimitive.Viewport className="flex grow flex-col overflow-y-scroll pt-12">
<ThreadPrimitive.Messages components={{ Message: ChatMessage }} />
<ThreadPrimitive.ViewportFooter className="sticky bottom-0 mt-auto flex w-full flex-col items-center gap-1.5 bg-[#fdfcfc] px-4 pb-3 dark:bg-[#0c0c0c]">
<Composer />
<p className="text-center text-xs text-[#5e6063] dark:text-[#9aa0a6]">
Gemini can make mistakes, so double-check it.
</p>
</ThreadPrimitive.ViewportFooter>
</ThreadPrimitive.Viewport>
</AuiIf>
</ThreadPrimitive.Root>
);
};
const ghostBtnClass =
"flex shrink-0 items-center justify-center rounded-full text-[#444746] transition-colors hover:bg-[#444746]/8 hover:text-[#1f1f1f] dark:text-[#c4c7c5] dark:hover:bg-[#c4c7c5]/10 dark:hover:text-[#e3e3e3]";
const Composer: FC = () => {
return (
<ComposerPrimitive.Root className="mx-auto flex w-full max-w-2xl flex-col rounded-4xl bg-white p-3 shadow-[0_2px_10px_-2px_rgba(0,0,0,0.18)] dark:bg-[#1e1f20] dark:shadow-[0_2px_12px_-2px_rgba(0,0,0,0.6)]">
<AuiIf condition={(s) => s.composer.attachments.length > 0}>
<div className="flex flex-row gap-2.5 overflow-x-auto px-1 pt-1 pb-2.5">
<ComposerPrimitive.Attachments
components={{ Attachment: GeminiAttachment }}
/>
</div>
</AuiIf>
<div className="flex items-end gap-1">
<GeminiPlusMenu />
<ComposerPrimitive.Input
rows={1}
placeholder="Ask Gemini"
className="max-h-40 flex-1 resize-none bg-transparent px-2 py-1.5 text-[17px] leading-6 text-[#1f1f1f] outline-none placeholder:text-[#575b5f] dark:text-[#e3e3e3] dark:placeholder:text-[#9aa0a6]"
/>
<GeminiModelPicker />
<button
type="button"
aria-label="Voice mode"
className={`${ghostBtnClass} size-9`}
>
<Mic width={20} height={20} />
</button>
<GeminiSendButton />
</div>
</ComposerPrimitive.Root>
);
};
const GEMINI_TOOLS = [
{ id: "research", label: "Deep Research", Icon: Telescope },
{ id: "canvas", label: "Canvas", Icon: PencilRuler },
{ id: "image", label: "Create image", Icon: ImageIcon },
{ id: "learn", label: "Guided Learning", Icon: Lightbulb },
];
const GeminiPlusMenu: FC = () => {
return (
<DropdownMenu>
<DropdownMenuTrigger
aria-label="Add files and tools"
className={`${ghostBtnClass} size-9`}
>
<PlusIcon width={20} height={20} />
</DropdownMenuTrigger>
<DropdownMenuContent align="start" side="bottom" className="min-w-56">
<DropdownMenuItem render={<ComposerPrimitive.AddAttachment />}>
<span className="flex size-4 items-center justify-center">
<Paperclip className="size-4" />
</span>
Add photos &amp; files
</DropdownMenuItem>
<DropdownMenuSeparator />
{GEMINI_TOOLS.map(({ id, label, Icon }) => (
<DropdownMenuItem key={id}>
<Icon className="size-4" />
{label}
</DropdownMenuItem>
))}
</DropdownMenuContent>
</DropdownMenu>
);
};
const GEMINI_MODELS = [
{ id: "flash", name: "Flash", description: "Fast all-around help" },
{
id: "thinking",
name: "Thinking",
description: "Reasoning, math & code",
},
];
const GeminiModelPicker: FC = () => {
const [model, setModel] = useState(GEMINI_MODELS[0]!.id);
const current = GEMINI_MODELS.find((m) => m.id === model);
return (
<DropdownMenu>
<DropdownMenuTrigger className="h-9 shrink-0 gap-0.5 rounded-full pr-1.5 pl-3 text-sm whitespace-nowrap text-[#444746] transition-colors hover:bg-[#444746]/8 hover:text-[#1f1f1f] dark:text-[#c4c7c5] dark:hover:bg-[#c4c7c5]/10 dark:hover:text-[#e3e3e3]">
<span>{current?.name}</span>
<ChevronDownIcon width={16} height={16} className="opacity-70" />
</DropdownMenuTrigger>
<DropdownMenuContent align="end" side="bottom" className="min-w-64">
{GEMINI_MODELS.map((m) => (
<DropdownMenuItem
key={m.id}
onClick={() => setModel(m.id)}
className="items-start gap-3"
>
<span className="mt-0.5 flex size-4 items-center justify-center text-[#0b57d0] dark:text-[#a8c7fa]">
{m.id === model ? <CheckIcon /> : null}
</span>
<span className="flex flex-col">
<span className="text-foreground text-sm">{m.name}</span>
<span className="text-muted-foreground text-xs">
{m.description}
</span>
</span>
</DropdownMenuItem>
))}
</DropdownMenuContent>
</DropdownMenu>
);
};
const sendBtnClass =
"flex size-9 shrink-0 items-center justify-center rounded-full bg-[#1f3b9b] text-white transition-colors hover:bg-[#274aad]";
const GeminiSendButton: FC = () => {
return (
<>
<AuiIf condition={(s) => !s.thread.isRunning && !s.composer.isEmpty}>
<ComposerPrimitive.Send
aria-label="Send message"
className={`${sendBtnClass} disabled:bg-[#e8eaed] disabled:text-[#1f1f1f]/40 dark:disabled:bg-[#2b2c2e] dark:disabled:text-white/30`}
>
<ArrowUpIcon width={20} height={20} />
</ComposerPrimitive.Send>
</AuiIf>
<AuiIf condition={(s) => s.thread.isRunning}>
<ComposerPrimitive.Cancel
aria-label="Stop generating"
className={sendBtnClass}
>
<span className="size-3 rounded-[3px] bg-current" />
</ComposerPrimitive.Cancel>
</AuiIf>
</>
);
};
const actionBtnClass =
"flex size-8 items-center justify-center rounded-full text-[#444746] transition-colors hover:bg-[#444746]/8 hover:text-[#1f1f1f] dark:text-[#c4c7c5] dark:hover:bg-[#c4c7c5]/10 dark:hover:text-[#e3e3e3]";
const ChatMessage: FC = () => {
return (
<MessagePrimitive.Root className="group/message mx-auto mb-7 flex w-full max-w-3xl flex-col px-4">
<AuiIf condition={(s) => s.message.role === "user"}>
<div className="flex items-center justify-end gap-1">
<ActionBarPrimitive.Root className="flex items-center gap-0.5 opacity-0 transition-opacity group-focus-within/message:opacity-100 group-hover/message:opacity-100">
<ActionBarPrimitive.Copy className={actionBtnClass}>
<CopyIcon width={16} height={16} />
</ActionBarPrimitive.Copy>
<ActionBarPrimitive.Edit className={actionBtnClass}>
<PencilIcon width={16} height={16} />
</ActionBarPrimitive.Edit>
</ActionBarPrimitive.Root>
<div className="max-w-[75%] rounded-3xl bg-[#f2f0f0] px-5 py-3 wrap-break-word text-[#1f1f1f] dark:bg-[#333537] dark:text-[#e3e3e3]">
<MessagePrimitive.Parts components={{ Text: MarkdownText }} />
</div>
</div>
</AuiIf>
<AuiIf condition={(s) => s.message.role === "assistant"}>
<div className="flex flex-col">
<div className="wrap-break-word text-[#1f1f1f] dark:text-[#e3e3e3]">
<MessagePrimitive.Parts components={{ Text: MarkdownText }} />
</div>
<ActionBarPrimitive.Root className="mt-1.5 -ml-2 flex items-center gap-0.5 opacity-0 transition-opacity group-focus-within/message:opacity-100 group-hover/message:opacity-100">
<ActionBarPrimitive.FeedbackPositive className={actionBtnClass}>
<ThumbsUp width={16} height={16} />
</ActionBarPrimitive.FeedbackPositive>
<ActionBarPrimitive.FeedbackNegative className={actionBtnClass}>
<ThumbsDown width={16} height={16} />
</ActionBarPrimitive.FeedbackNegative>
<ActionBarPrimitive.Copy className={actionBtnClass}>
<AuiIf condition={(s) => s.message.isCopied}>
<CheckIcon width={16} height={16} />
</AuiIf>
<AuiIf condition={(s) => !s.message.isCopied}>
<CopyIcon width={16} height={16} />
</AuiIf>
</ActionBarPrimitive.Copy>
<ActionBarPrimitive.Reload className={actionBtnClass}>
<RefreshCwIcon width={16} height={16} />
</ActionBarPrimitive.Reload>
<button type="button" aria-label="More" className={actionBtnClass}>
<EllipsisVertical width={16} height={16} />
</button>
</ActionBarPrimitive.Root>
</div>
</AuiIf>
</MessagePrimitive.Root>
);
};
const useFileSrc = (file: File | undefined) => {
const [src, setSrc] = useState<string | undefined>(undefined);
useEffect(() => {
if (!file) {
setSrc(undefined);
return;
}
const objectUrl = URL.createObjectURL(file);
setSrc(objectUrl);
return () => {
URL.revokeObjectURL(objectUrl);
};
}, [file]);
return src;
};
const useAttachmentSrc = () => {
const { file, src } = useAuiState(
useShallow(({ attachment }): { file?: File; src?: string } => {
if (attachment.type !== "image") return {};
if (attachment.file) return { file: attachment.file };
const src = attachment.content?.filter((c) => c.type === "image")[0]
?.image;
if (!src) return {};
return { src };
}),
);
return useFileSrc(file) ?? src;
};
const GeminiAttachment: FC = () => {
const isImage = useAuiState(({ attachment }) => attachment.type === "image");
const src = useAttachmentSrc();
return (
<AttachmentPrimitive.Root className="group/thumbnail relative">
<div className="size-[72px] overflow-hidden rounded-xl border border-[#dadce0] bg-[#f1f3f4] dark:border-[#3c4043] dark:bg-[#282a2c]">
{isImage && src ? (
<img className="size-full object-cover" alt="Attachment" src={src} />
) : (
<div className="flex size-full items-center justify-center text-[#5e6063] dark:text-[#9aa0a6]">
<AttachmentPrimitive.unstable_Thumb className="text-xs" />
</div>
)}
</div>
<AttachmentPrimitive.Remove
className="absolute -top-1.5 -right-1.5 flex size-6 items-center justify-center rounded-full border border-[#dadce0] bg-white text-[#5e6063] opacity-0 transition-all group-focus-within/thumbnail:opacity-100 group-hover/thumbnail:opacity-100 hover:bg-[#f1f3f4] hover:text-[#1f1f1f] dark:border-[#3c4043] dark:bg-[#1e1f20] dark:text-[#9aa0a6] dark:hover:bg-[#2b2c2f] dark:hover:text-[#e3e3e3]"
aria-label="Remove attachment"
>
<XIcon width={14} height={14} />
</AttachmentPrimitive.Remove>
</AttachmentPrimitive.Root>
);
};