nicechat/dist/src/anthropic.js

An extensible AI chat framework for OpenAi's models

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.chat = void 0;
const sdk_1 = __importDefault(require("@anthropic-ai/sdk"));
const chalk_1 = __importDefault(require("chalk"));
const nicechat_1 = require("./nicechat");
const MAX_TOKENS = 1024;
function chat(apiKey, model, system) {
    return __awaiter(this, void 0, void 0, function* () {
        const client = new sdk_1.default({
            apiKey,
        });
        console.log("[" + chalk_1.default.blueBright(system) + "]");
        const messages = [];
        // initial use input
        const input = yield (0, nicechat_1.readLine)();
        messages.push(user(input));
        while (true) {
            const response = yield exchange(client, model, system, messages);
            messages.push(assistant(response));
            // ask user for next input
            console.log("\n");
            const input = yield (0, nicechat_1.readLine)();
            messages.push(user(input));
        }
    });
}
exports.chat = chat;
function user(content) {
    return {
        role: "user",
        content,
    };
}
function assistant(content) {
    return {
        role: "assistant",
        content,
    };
}
function exchange(client, model, system, messages) {
    return __awaiter(this, void 0, void 0, function* () {
        return new Promise((resolve) => {
            let msg = "";
            client.messages
                .stream({
                messages,
                model,
                max_tokens: MAX_TOKENS,
                system,
            })
                .on("text", (p) => {
                // collect regular message
                if (p) {
                    process.stdout.write(chalk_1.default.greenBright(p));
                    msg += p;
                }
            })
                .on("end", () => {
                resolve(msg);
            });
        });
    });
}