chat-ui / src /lib /server /websearch /generateQuery.ts
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nsarrazin HF staff
Switch task model and add max tokens limits (#1036)
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import type { Message } from "$lib/types/Message";
import { format } from "date-fns";
import { generateFromDefaultEndpoint } from "../generateFromDefaultEndpoint";
export async function generateQuery(messages: Message[]) {
const currentDate = format(new Date(), "MMMM d, yyyy");
const userMessages = messages.filter(({ from }) => from === "user");
const previousUserMessages = userMessages.slice(0, -1);
const lastMessage = userMessages.slice(-1)[0];
const convQuery: Array<Omit<Message, "id">> = [
{
from: "user",
content: `Previous Questions:
- Who is the president of France?
Current Question: What about Mexico?
`,
},
{
from: "assistant",
content: "President of Mexico",
},
{
from: "user",
content: `Previous questions:
- When is the next formula 1 grand prix?
Current Question: Where is it being hosted?`,
},
{
from: "assistant",
content: "location of next formula 1 grand prix",
},
{
from: "user",
content: "Current Question: What type of printhead does the Epson F2270 DTG printer use?",
},
{
from: "assistant",
content: "Epson F2270 DTG printer printhead",
},
{ from: "user", content: "What were the news yesterday?" },
{
from: "assistant",
content: `news ${format(new Date(Date.now() - 864e5), "MMMM d, yyyy")}`,
},
{ from: "user", content: "What is the current weather in Paris?" },
{ from: "assistant", content: `weather in Paris ${currentDate}` },
{
from: "user",
content:
(previousUserMessages.length > 0
? `Previous questions: \n${previousUserMessages
.map(({ content }) => `- ${content}`)
.join("\n")}`
: "") +
"\n\nCurrent Question: " +
lastMessage.content,
},
];
const webQuery = await generateFromDefaultEndpoint({
messages: convQuery,
preprompt: `You are tasked with generating web search queries. Give me an appropriate query to answer my question for google search. Answer with only the query. Today is ${currentDate}`,
generateSettings: {
max_new_tokens: 30,
},
});
return webQuery.trim();
}