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https://github.com/DayuanJiang/next-ai-draw-io.git
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refactor: move message-display to seperate component.
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dayuan.jiang
194
components/chat-message-display.tsx
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194
components/chat-message-display.tsx
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@@ -0,0 +1,194 @@
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"use client";
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import type React from "react";
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import { useRef, useEffect } from "react";
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import Image from "next/image";
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import { ScrollArea } from "@/components/ui/scroll-area";
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import ExamplePanel from "./chat-example-panel";
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import { Message } from "ai";
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import { convertToLegalXml } from "@/lib/utils";
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interface ChatMessageDisplayProps {
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messages: Message[];
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error?: Error | null;
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setInput: (input: string) => void;
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setFiles: (files: FileList | undefined) => void;
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onDisplayChart: (xml: string) => void;
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stepCounterRef: React.MutableRefObject<number>;
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}
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export function ChatMessageDisplay({
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messages,
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error,
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setInput,
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setFiles,
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onDisplayChart,
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stepCounterRef,
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}: ChatMessageDisplayProps) {
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const messagesEndRef = useRef<HTMLDivElement>(null);
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useEffect(() => {
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if (messagesEndRef.current) {
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messagesEndRef.current.scrollIntoView({ behavior: "smooth" });
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}
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}, [messages]);
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const renderToolInvocation = (toolInvocation: any) => {
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const callId = toolInvocation.toolCallId;
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switch (toolInvocation.toolName) {
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case "display_diagram": {
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switch (toolInvocation.state) {
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case "partial-call": {
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const currentXml = toolInvocation.args?.xml || "";
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// Increment the step counter
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stepCounterRef.current += 1;
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// Determine whether to show details based on a simple threshold
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if (
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stepCounterRef.current >= 50 &&
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stepCounterRef.current % 20 === 0
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) {
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onDisplayChart(convertToLegalXml(currentXml));
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}
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return (
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<div
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key={callId}
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className="mt-2 text-sm bg-blue-50 p-2 rounded border border-blue-200"
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>
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<div className="font-medium">
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Generating diagram...
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</div>
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<div className="text-xs text-gray-500 mt-1">
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Tool: display_diagram
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<div className="mt-1 font-mono text-xs">
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onDisplayChart
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</div>
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</div>
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</div>
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);
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}
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case "call":
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return (
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<div
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key={callId}
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className="mt-2 text-sm bg-yellow-50 p-2 rounded border border-yellow-200"
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>
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<div className="font-medium">
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Displaying diagram...
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</div>
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<div className="text-xs text-gray-500 mt-1">
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Tool: display_diagram
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<div className="mt-1 font-mono text-xs">
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Args:{" "}
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{JSON.stringify(
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toolInvocation.args,
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null,
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2
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)}
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</div>
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</div>
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</div>
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);
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case "result":
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return null;
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}
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break;
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}
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default:
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return null;
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}
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};
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return (
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<ScrollArea className="h-full pr-4">
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{messages.length === 0 ? (
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<ExamplePanel setInput={setInput} setFiles={setFiles} />
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) : (
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messages.map((message) => (
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<div
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key={message.id}
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className={`mb-4 ${
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message.role === "user" ? "text-right" : "text-left"
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}`}
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>
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<div
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className={`inline-block px-4 py-2 whitespace-pre-wrap text-sm rounded-lg max-w-[85%] break-words ${
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message.role === "user"
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? "bg-primary text-primary-foreground"
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: "bg-muted text-muted-foreground"
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}`}
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>
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{message.parts
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? message.parts.map((part, index) => {
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switch (part.type) {
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case "text":
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return (
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<div key={index}>
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{part.text}
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</div>
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);
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case "tool-invocation":
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return renderToolInvocation(
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part.toolInvocation
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);
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default:
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return null;
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}
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})
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: message.content}
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</div>
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{message?.experimental_attachments
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?.filter((attachment) =>
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attachment?.contentType?.startsWith("image/")
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)
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.map((attachment, index) => (
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<div
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key={`${message.id}-${index}`}
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className={`mt-2 ${
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message.role === "user"
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? "text-right"
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: "text-left"
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}`}
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>
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<div className="inline-block">
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<Image
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src={attachment.url}
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width={200}
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height={200}
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alt={
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attachment.name ??
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`attachment-${index}`
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}
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className="rounded-md border"
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style={{
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objectFit: "contain",
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}}
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/>
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</div>
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</div>
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))}
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{(message as any).function_call && (
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<div className="mt-2 text-left">
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<div className="text-xs text-gray-500">
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Using tool:{" "}
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{(message as any).function_call.name}
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...
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</div>
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</div>
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)}
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</div>
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))
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)}
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{error && (
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<div className="text-red-500 text-sm mt-2">
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Error: {error.message}
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</div>
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)}
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<div ref={messagesEndRef} />
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</ScrollArea>
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);
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}
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