92 lines
3 KiB
TypeScript
92 lines
3 KiB
TypeScript
import { Message } from "discord.js";
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import {
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ChatCompletionMessageParam as OpenAIMessage,
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ChatCompletionCreateParamsNonStreaming as ChatCompletionRequestData,
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} from "openai/resources/chat";
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import IQuota from "./IQuota";
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import MessageCount from "./quota/messageCount";
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export interface IConfigRequired {
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readonly calendarParams: Intl.DateTimeFormatOptions;
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/** Tokens to authentiate with */
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readonly tokens: {
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readonly Discord: string;
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readonly OpenAI: string;
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};
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/** Messages to append at the start of every chat history when sending to API */
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systemPrompt(context: Message): OpenAIMessage[];
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/** OpenAI model config */
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readonly chatCompletionParams: Omit<ChatCompletionRequestData, "messages" | "function_call" | "functions" | "n">;
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/** Limits for message selection */
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readonly readLimits: {
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/** Maximum message age to include (in miliseconds) */
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readonly time: number;
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/** Maximum number of messages to select (maximum 100) */
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readonly messages: number;
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/** Maximum total token usage for messages (counted locally) */
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readonly tokens: number;
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};
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/**
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* Quota parameters to use when checking limits
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* you can find some in `./quota`
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*/
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readonly quota: IQuota;
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}
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export type IConfig = Partial<IConfigRequired>;
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export default function newConfig(config?: IConfig): IConfigRequired {
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return { ...defaultConfig, ...config };
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}
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function envAsString(key: string): string | undefined {
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key = key.toLocaleUpperCase();
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return process.env[key];
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}
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function envAsNumber(key: string): number | undefined {
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key = key.toLocaleUpperCase();
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const value = Number(process.env[key]);
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return !Number.isNaN(value) ? value : undefined;
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}
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const defaultConfig: IConfigRequired = {
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calendarParams: {
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weekday: "short",
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year: "numeric",
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month: "short",
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day: "numeric",
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hour: "2-digit",
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minute: "2-digit",
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hour12: false,
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},
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tokens: {
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Discord: envAsString("TOKENS__DISCORD") ?? "",
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OpenAI: envAsString("TOKENS__OPENAI") ?? "",
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},
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systemPrompt(): OpenAIMessage[] {
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return [
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{
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role: "system",
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content:
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envAsString("SYSTEM_PROMPT") ??
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`You are GPTcord, an AI built on top of ChatGPT (a large language model trained by OpenAI) for Discord. Answer as concisely as possible.`,
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},
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];
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},
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chatCompletionParams: {
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model: envAsString("CHAT_COMPLETION_PARAMS__MODEL") ?? "gpt-3.5-turbo",
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max_tokens: envAsNumber("CHAT_COMPLETION_PARAMS__MAX_TOKENS") ?? 384,
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frequency_penalty: envAsNumber("CHAT_COMPLETION_PARAMS__FREQUENCY_PENALTY"),
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presence_penalty: envAsNumber("CHAT_COMPLETION_PARAMS__PRESENCE_PENALTY"),
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temperature: envAsNumber("CHAT_COMPLETION_PARAMS__TEMPERATURE"),
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top_p: envAsNumber("CHAT_COMPLETION_PARAMS__TOP_P"),
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},
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readLimits: {
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time: envAsNumber("READ_LIMITS__TIME") ?? 60 * 60 * 1000,
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messages: envAsNumber("READ_LIMITS__MESSAGES") ?? 50,
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tokens: envAsNumber("READ_LIMITS__TOKENS") ?? 2048,
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},
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quota: new MessageCount(envAsNumber("QUOTA__DEFAULT_QUOTA"), envAsNumber("QUOTA__LOOKBACK"))
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};
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