lmc/src/index.ts

121 lines
3.4 KiB
JavaScript

#!/usr/bin/env node
import fs from "node:fs/promises";
import consumers from "node:stream/consumers";
import util from "node:util";
import { createOpenAICompatible } from "@ai-sdk/openai-compatible";
import { streamText } from "ai";
import { initConfig, loadConfig } from "./config";
import { Conversation } from "./conversation";
import { handleTopLevel } from "./errors";
import {
base,
commitDiff,
contextFence,
diffFence,
fileFence,
review,
} from "./prompts";
import Renderer from "./render";
async function main() {
const { values: args, positionals } = util.parseArgs({
args: process.argv.slice(2),
options: {
model: { type: "string" },
m: { type: "string" },
new: { type: "boolean" },
n: { type: "boolean" },
config: { type: "boolean" },
c: { type: "boolean" },
plain: { type: "boolean" },
"plain-out": { type: "boolean" },
"plain-err": { type: "boolean" },
version: { type: "boolean" },
v: { type: "boolean" },
"git-message": { type: "boolean" },
g: { type: "boolean" },
review: { type: "boolean" },
r: { type: "boolean" },
file: { type: "string" },
f: { type: "string" },
stdin: { type: "boolean" },
i: { type: "boolean" },
},
strict: true,
allowPositionals: true,
});
const newConvo = args.new ?? args.n;
const plainOut = args["plain-out"] ?? args.plain ?? !process.stdout.isTTY;
const plainErr = args["plain-err"] ?? args.plain ?? !process.stderr.isTTY;
const modelOverride = args.model ?? args.m;
const showVersion = args.version ?? args.v;
const editConfig = args.config ?? args.c;
const generateGitMessage = args["git-message"] ?? args.g;
const generateReview = args.review ?? args.r;
const inputFile = args.file ?? args.f;
const stdinContent = args.stdin ?? args.i;
if (showVersion) {
console.log("0.0.0");
return;
}
const config = await loadConfig(editConfig);
if (editConfig || !config) {
await initConfig(config);
return;
}
const model = modelOverride ?? config.model;
const renderer = new Renderer(plainOut, plainErr);
const provider = createOpenAICompatible({
name: "llama.cpp",
apiKey: "local",
baseURL: config.baseURL,
includeUsage: true, // Include usage information in streaming responses
});
const convo = new Conversation(model);
if (!newConvo) {
await convo.load();
if (modelOverride) convo.model = modelOverride;
}
const input = positionals.join(" ").trim();
let stdinText = "";
if (stdinContent) stdinText = await consumers.text(process.stdin);
let fileText = "";
if (inputFile)
fileText = fileFence(inputFile, await fs.readFile(inputFile, "utf8"));
let prompt = base(input, [fileText, contextFence(stdinText)]);
if (generateGitMessage) {
prompt = commitDiff(stdinText, [fileText]);
} else if (generateReview) {
prompt = review([fileText, stdinText ? diffFence(stdinText) : "", input]);
}
if (!prompt) throw new Error("No prompt given.");
convo.messages.push({ role: "user", content: prompt });
const { fullStream, text, totalUsage } = streamText({
model: provider(convo.model),
messages: convo.messages,
});
await renderer.renderStream(fullStream);
convo.messages.push({ role: "assistant", content: await text });
await convo.save();
await renderer.renderStats(totalUsage);
}
main().catch(handleTopLevel);