Initial commit

Created from https://vercel.com/new
This commit is contained in:
Dakai
2023-04-02 14:05:05 +00:00
commit a6c598c017
84 changed files with 11839 additions and 0 deletions

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app/store/access.ts Normal file
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import { create } from "zustand";
import { persist } from "zustand/middleware";
import { queryMeta } from "../utils";
export interface AccessControlStore {
accessCode: string;
token: string;
updateToken: (_: string) => void;
updateCode: (_: string) => void;
enabledAccessControl: () => boolean;
}
export const ACCESS_KEY = "access-control";
export const useAccessStore = create<AccessControlStore>()(
persist(
(set, get) => ({
token: "",
accessCode: "",
enabledAccessControl() {
return queryMeta("access") === "enabled";
},
updateCode(code: string) {
set((state) => ({ accessCode: code }));
},
updateToken(token: string) {
set((state) => ({ token }));
},
}),
{
name: ACCESS_KEY,
version: 1,
}
)
);

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app/store/app.ts Normal file
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import { create } from "zustand";
import { persist } from "zustand/middleware";
import { type ChatCompletionResponseMessage } from "openai";
import {
ControllerPool,
requestChatStream,
requestWithPrompt,
} from "../requests";
import { trimTopic } from "../utils";
import Locale from "../locales";
if (!Array.prototype.at) {
require("array.prototype.at/auto");
}
export type Message = ChatCompletionResponseMessage & {
date: string;
streaming?: boolean;
};
export enum SubmitKey {
Enter = "Enter",
CtrlEnter = "Ctrl + Enter",
ShiftEnter = "Shift + Enter",
AltEnter = "Alt + Enter",
MetaEnter = "Meta + Enter",
}
export enum Theme {
Auto = "auto",
Dark = "dark",
Light = "light",
}
export interface ChatConfig {
historyMessageCount: number; // -1 means all
compressMessageLengthThreshold: number;
sendBotMessages: boolean; // send bot's message or not
submitKey: SubmitKey;
avatar: string;
fontSize: number;
theme: Theme;
tightBorder: boolean;
sendPreviewBubble: boolean;
disablePromptHint: boolean;
modelConfig: {
model: string;
temperature: number;
max_tokens: number;
presence_penalty: number;
};
}
export type ModelConfig = ChatConfig["modelConfig"];
const ENABLE_GPT4 = true;
export const ALL_MODELS = [
{
name: "gpt-4",
available: ENABLE_GPT4,
},
{
name: "gpt-4-0314",
available: ENABLE_GPT4,
},
{
name: "gpt-4-32k",
available: ENABLE_GPT4,
},
{
name: "gpt-4-32k-0314",
available: ENABLE_GPT4,
},
{
name: "gpt-3.5-turbo",
available: true,
},
{
name: "gpt-3.5-turbo-0301",
available: true,
},
];
export function isValidModel(name: string) {
return ALL_MODELS.some((m) => m.name === name && m.available);
}
export function isValidNumber(x: number, min: number, max: number) {
return typeof x === "number" && x <= max && x >= min;
}
export function filterConfig(oldConfig: ModelConfig): Partial<ModelConfig> {
const config = Object.assign({}, oldConfig);
const validator: {
[k in keyof ModelConfig]: (x: ModelConfig[keyof ModelConfig]) => boolean;
} = {
model(x) {
return isValidModel(x as string);
},
max_tokens(x) {
return isValidNumber(x as number, 100, 4000);
},
presence_penalty(x) {
return isValidNumber(x as number, -2, 2);
},
temperature(x) {
return isValidNumber(x as number, 0, 2);
},
};
Object.keys(validator).forEach((k) => {
const key = k as keyof ModelConfig;
if (!validator[key](config[key])) {
delete config[key];
}
});
return config;
}
const DEFAULT_CONFIG: ChatConfig = {
historyMessageCount: 4,
compressMessageLengthThreshold: 1000,
sendBotMessages: true as boolean,
submitKey: SubmitKey.CtrlEnter as SubmitKey,
avatar: "1f603",
fontSize: 14,
theme: Theme.Auto as Theme,
tightBorder: false,
sendPreviewBubble: true,
disablePromptHint: false,
modelConfig: {
model: "gpt-3.5-turbo",
temperature: 1,
max_tokens: 2000,
presence_penalty: 0,
},
};
export interface ChatStat {
tokenCount: number;
wordCount: number;
charCount: number;
}
export interface ChatSession {
id: number;
topic: string;
memoryPrompt: string;
messages: Message[];
stat: ChatStat;
lastUpdate: string;
lastSummarizeIndex: number;
}
const DEFAULT_TOPIC = Locale.Store.DefaultTopic;
function createEmptySession(): ChatSession {
const createDate = new Date().toLocaleString();
return {
id: Date.now(),
topic: DEFAULT_TOPIC,
memoryPrompt: "",
messages: [
{
role: "assistant",
content: Locale.Store.BotHello,
date: createDate,
},
],
stat: {
tokenCount: 0,
wordCount: 0,
charCount: 0,
},
lastUpdate: createDate,
lastSummarizeIndex: 0,
};
}
interface ChatStore {
config: ChatConfig;
sessions: ChatSession[];
currentSessionIndex: number;
clearSessions: () => void;
removeSession: (index: number) => void;
selectSession: (index: number) => void;
newSession: () => void;
currentSession: () => ChatSession;
onNewMessage: (message: Message) => void;
onUserInput: (content: string) => Promise<void>;
summarizeSession: () => void;
updateStat: (message: Message) => void;
updateCurrentSession: (updater: (session: ChatSession) => void) => void;
updateMessage: (
sessionIndex: number,
messageIndex: number,
updater: (message?: Message) => void,
) => void;
getMessagesWithMemory: () => Message[];
getMemoryPrompt: () => Message;
getConfig: () => ChatConfig;
resetConfig: () => void;
updateConfig: (updater: (config: ChatConfig) => void) => void;
clearAllData: () => void;
}
function countMessages(msgs: Message[]) {
return msgs.reduce((pre, cur) => pre + cur.content.length, 0);
}
const LOCAL_KEY = "chat-next-web-store";
export const useChatStore = create<ChatStore>()(
persist(
(set, get) => ({
sessions: [createEmptySession()],
currentSessionIndex: 0,
config: {
...DEFAULT_CONFIG,
},
clearSessions() {
set(() => ({
sessions: [createEmptySession()],
currentSessionIndex: 0,
}));
},
resetConfig() {
set(() => ({ config: { ...DEFAULT_CONFIG } }));
},
getConfig() {
return get().config;
},
updateConfig(updater) {
const config = get().config;
updater(config);
set(() => ({ config }));
},
selectSession(index: number) {
set({
currentSessionIndex: index,
});
},
removeSession(index: number) {
set((state) => {
let nextIndex = state.currentSessionIndex;
const sessions = state.sessions;
if (sessions.length === 1) {
return {
currentSessionIndex: 0,
sessions: [createEmptySession()],
};
}
sessions.splice(index, 1);
if (nextIndex === index) {
nextIndex -= 1;
}
return {
currentSessionIndex: nextIndex,
sessions,
};
});
},
newSession() {
set((state) => ({
currentSessionIndex: 0,
sessions: [createEmptySession()].concat(state.sessions),
}));
},
currentSession() {
let index = get().currentSessionIndex;
const sessions = get().sessions;
if (index < 0 || index >= sessions.length) {
index = Math.min(sessions.length - 1, Math.max(0, index));
set(() => ({ currentSessionIndex: index }));
}
const session = sessions[index];
return session;
},
onNewMessage(message) {
get().updateCurrentSession((session) => {
session.lastUpdate = new Date().toLocaleString();
});
get().updateStat(message);
get().summarizeSession();
},
async onUserInput(content) {
const userMessage: Message = {
role: "user",
content,
date: new Date().toLocaleString(),
};
const botMessage: Message = {
content: "",
role: "assistant",
date: new Date().toLocaleString(),
streaming: true,
};
// get recent messages
const recentMessages = get().getMessagesWithMemory();
const sendMessages = recentMessages.concat(userMessage);
const sessionIndex = get().currentSessionIndex;
const messageIndex = get().currentSession().messages.length + 1;
// save user's and bot's message
get().updateCurrentSession((session) => {
session.messages.push(userMessage);
session.messages.push(botMessage);
});
// make request
console.log("[User Input] ", sendMessages);
requestChatStream(sendMessages, {
onMessage(content, done) {
// stream response
if (done) {
botMessage.streaming = false;
botMessage.content = content;
get().onNewMessage(botMessage);
ControllerPool.remove(sessionIndex, messageIndex);
} else {
botMessage.content = content;
set(() => ({}));
}
},
onError(error) {
botMessage.content += "\n\n" + Locale.Store.Error;
botMessage.streaming = false;
set(() => ({}));
ControllerPool.remove(sessionIndex, messageIndex);
},
onController(controller) {
// collect controller for stop/retry
ControllerPool.addController(
sessionIndex,
messageIndex,
controller,
);
},
filterBot: !get().config.sendBotMessages,
modelConfig: get().config.modelConfig,
});
},
getMemoryPrompt() {
const session = get().currentSession();
return {
role: "system",
content: Locale.Store.Prompt.History(session.memoryPrompt),
date: "",
} as Message;
},
getMessagesWithMemory() {
const session = get().currentSession();
const config = get().config;
const n = session.messages.length;
const recentMessages = session.messages.slice(
Math.max(0, n - config.historyMessageCount),
);
const memoryPrompt = get().getMemoryPrompt();
if (session.memoryPrompt) {
recentMessages.unshift(memoryPrompt);
}
return recentMessages;
},
updateMessage(
sessionIndex: number,
messageIndex: number,
updater: (message?: Message) => void,
) {
const sessions = get().sessions;
const session = sessions.at(sessionIndex);
const messages = session?.messages;
updater(messages?.at(messageIndex));
set(() => ({ sessions }));
},
summarizeSession() {
const session = get().currentSession();
// should summarize topic after chating more than 50 words
const SUMMARIZE_MIN_LEN = 50;
if (
session.topic === DEFAULT_TOPIC &&
countMessages(session.messages) >= SUMMARIZE_MIN_LEN
) {
requestWithPrompt(session.messages, Locale.Store.Prompt.Topic).then(
(res) => {
get().updateCurrentSession(
(session) => (session.topic = trimTopic(res)),
);
},
);
}
const config = get().config;
let toBeSummarizedMsgs = session.messages.slice(
session.lastSummarizeIndex,
);
const historyMsgLength = countMessages(toBeSummarizedMsgs);
if (historyMsgLength > 4000) {
toBeSummarizedMsgs = toBeSummarizedMsgs.slice(
-config.historyMessageCount,
);
}
// add memory prompt
toBeSummarizedMsgs.unshift(get().getMemoryPrompt());
const lastSummarizeIndex = session.messages.length;
console.log(
"[Chat History] ",
toBeSummarizedMsgs,
historyMsgLength,
config.compressMessageLengthThreshold,
);
if (historyMsgLength > config.compressMessageLengthThreshold) {
requestChatStream(
toBeSummarizedMsgs.concat({
role: "system",
content: Locale.Store.Prompt.Summarize,
date: "",
}),
{
filterBot: false,
onMessage(message, done) {
session.memoryPrompt = message;
if (done) {
console.log("[Memory] ", session.memoryPrompt);
session.lastSummarizeIndex = lastSummarizeIndex;
}
},
onError(error) {
console.error("[Summarize] ", error);
},
},
);
}
},
updateStat(message) {
get().updateCurrentSession((session) => {
session.stat.charCount += message.content.length;
// TODO: should update chat count and word count
});
},
updateCurrentSession(updater) {
const sessions = get().sessions;
const index = get().currentSessionIndex;
updater(sessions[index]);
set(() => ({ sessions }));
},
clearAllData() {
if (confirm(Locale.Store.ConfirmClearAll)) {
localStorage.clear();
location.reload();
}
},
}),
{
name: LOCAL_KEY,
version: 1,
},
),
);

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export * from "./app";
export * from "./update";
export * from "./access";

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app/store/prompt.ts Normal file
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import { create } from "zustand";
import { persist } from "zustand/middleware";
import Fuse from "fuse.js";
export interface Prompt {
id?: number;
title: string;
content: string;
}
export interface PromptStore {
latestId: number;
prompts: Map<number, Prompt>;
add: (prompt: Prompt) => number;
remove: (id: number) => void;
search: (text: string) => Prompt[];
}
export const PROMPT_KEY = "prompt-store";
export const SearchService = {
ready: false,
engine: new Fuse<Prompt>([], { keys: ["title"] }),
count: {
builtin: 0,
},
init(prompts: Prompt[]) {
if (this.ready) {
return;
}
this.engine.setCollection(prompts);
this.ready = true;
},
remove(id: number) {
this.engine.remove((doc) => doc.id === id);
},
add(prompt: Prompt) {
this.engine.add(prompt);
},
search(text: string) {
const results = this.engine.search(text);
return results.map((v) => v.item);
},
};
export const usePromptStore = create<PromptStore>()(
persist(
(set, get) => ({
latestId: 0,
prompts: new Map(),
add(prompt) {
const prompts = get().prompts;
prompt.id = get().latestId + 1;
prompts.set(prompt.id, prompt);
set(() => ({
latestId: prompt.id!,
prompts: prompts,
}));
return prompt.id!;
},
remove(id) {
const prompts = get().prompts;
prompts.delete(id);
SearchService.remove(id);
set(() => ({
prompts,
}));
},
search(text) {
return SearchService.search(text) as Prompt[];
},
}),
{
name: PROMPT_KEY,
version: 1,
onRehydrateStorage(state) {
const PROMPT_URL = "./prompts.json";
type PromptList = Array<[string, string]>;
fetch(PROMPT_URL)
.then((res) => res.json())
.then((res) => {
const builtinPrompts = [res.en, res.cn]
.map((promptList: PromptList) => {
return promptList.map(
([title, content]) =>
({
title,
content,
} as Prompt),
);
})
.concat([...(state?.prompts?.values() ?? [])]);
const allPromptsForSearch = builtinPrompts.reduce(
(pre, cur) => pre.concat(cur),
[],
);
SearchService.count.builtin = res.en.length + res.cn.length;
SearchService.init(allPromptsForSearch);
});
},
},
),
);

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import { create } from "zustand";
import { persist } from "zustand/middleware";
import { FETCH_COMMIT_URL, FETCH_TAG_URL } from "../constant";
import { getCurrentVersion } from "../utils";
export interface UpdateStore {
lastUpdate: number;
remoteId: string;
getLatestCommitId: (force: boolean) => Promise<string>;
}
export const UPDATE_KEY = "chat-update";
export const useUpdateStore = create<UpdateStore>()(
persist(
(set, get) => ({
lastUpdate: 0,
remoteId: "",
async getLatestCommitId(force = false) {
const overTenMins = Date.now() - get().lastUpdate > 10 * 60 * 1000;
const shouldFetch = force || overTenMins;
if (!shouldFetch) {
return getCurrentVersion();
}
try {
// const data = await (await fetch(FETCH_TAG_URL)).json();
// const remoteId = data[0].name as string;
const data = await (await fetch(FETCH_COMMIT_URL)).json();
const remoteId = (data[0].sha as string).substring(0, 7);
set(() => ({
lastUpdate: Date.now(),
remoteId,
}));
console.log("[Got Upstream] ", remoteId);
return remoteId;
} catch (error) {
console.error("[Fetch Upstream Commit Id]", error);
return getCurrentVersion();
}
},
}),
{
name: UPDATE_KEY,
version: 1,
},
),
);