UDN/utility.ts

import { PACKAGE_FILE, STATIC_DIR, WS } from ".";

import Colors from "colors";
import Fs from "fs/promises";
import Path from "path";
import { WebSocketMessage } from "./websocket-handler";

// CONFIG
const STAT_INDENT = 25;

// MISC
export function doIfIsString(data: any, cb: (data: string) => void): void {
    if (typeof data != "string" || data == "") return;
    cb(data);
}

export async function getVersionNumber(): Promise<string> {
    try {
        const packageString = await Bun.file(PACKAGE_FILE).text();
        const packageObject = JSON.parse(packageString);
        return packageObject.version;
    } catch {
        return "unknown";
    }
}

// SERVER
export function createFileResponse(requestPath: string): Response {
    const fullPath = Path.join(STATIC_DIR, requestPath);
    return new Response(Bun.file(fullPath));
}

// OUTPUT
async function writeToLogFile(message: string): Promise<void> {
    await Fs.appendFile("logs", `${message}\n`);
}

// stats
export function writeStat(label: string, value: string | number): void {
    console.log(
        `${Colors.bold.green(label.padEnd(STAT_INDENT, " "))}\n${value.toString()}\n`
    );
}

export function writeSeparator(): void {
    console.log(Colors.gray("-----") + "\n")
}

// logging
export function writeError(message: any): void {
    console.log(Colors.bold.red(message));
    writeToLogFile(message);
}

export function writeSuccess(message: string): void {
    console.log(Colors.bold.green(message));
    writeToLogFile(message);
}

// MESSAGES
export function stringifyMessage(messageObject: WebSocketMessage): string {
    return JSON.stringify(messageObject);
}

export function parseMessage(messageString: string): Object {
    return JSON.parse(messageString);
}