minecraft-modpack/lib/install.js

Minecraft modpack creation made easy

const axios = require("axios").default;
const config = require("../config");
const Helpers = require("./helpers");
const chalk = require("chalk");
const fs = require("fs");
const path = require("path");
const inquirer = require("inquirer");

const storage    = new ( require("../classes/VariableStorage") )();
const ModFactory = require("../classes/ModFactory");

let ModFactoryI = new ModFactory();
storage.gameConfigPath = path.resolve(process.cwd(), "pack.cfg");
storage.gameConfig = {};
storage.installedMods = [];
storage.instance = axios.create({
    baseURL: config.base,
    timeout: 10000,
});

module.exports.named = installMod;
module.exports.file  = installModFile;


async function installMod(mod) {
    if( fs.existsSync(storage.gameConfigPath) ){
        storage.gameConfig = JSON.parse(fs.readFileSync(storage.gameConfigPath));
        let modURL    = config.path.search + `?categoryId=0&gameId=432&gameVersion=${storage.gameConfig.gameVersion}&searchFilter=${mod}&sectionId=6&sort=0`;
        let modsArr   = ( await storage.instance.get(modURL) ).data;
        let modNames  = [];
        modsArr.map( (modObj, i) => {
            modNames.push(i + ". " + modObj.name);
        });

        if (modsArr.length == 0) {
            console.log( chalk.yellow.bold`Nothing found, maybe this mod doesn't exist?` );
            return 0;
        }
        let modChoicesNames = await inquirer.prompt([
            {
                type: "checkbox",
                name: "choices",
                message: chalk.yellow`Mods`,
                choices: modNames
            }
        ]);

        if (modChoicesNames.choices.length == 0) {
            console.log(chalk.red`You haven't chosen any mod!`);
            return 0;
        }
        let modChoices = [];
        ModFactory.passStorage(storage);
        await Helpers.asyncForEach(modChoicesNames.choices, async modName => {
            modChoices.push( await ModFactoryI.instance( modsArr[ parseInt(modName.split(".")[0]) ], 1 ) );
        });
        await Helpers.asyncForEach(modChoices, async modT => {
            if( !storage.installedMods.includes(modT.id) ){
                await modT.download();
            }
        });
    } else {
        console.log(chalk`{red [-]} {yellow Error} No modpack config found (run {cyan modpack init}).`);
    }
    return 0;
}

async function installModFile(mod) {
    let modID = mod.split("-")[0];
    let modStringArr  = mod.split("-");
    modStringArr.shift();
    let fileName   = modStringArr.join("-");

    storage.gameConfig = JSON.parse(fs.readFileSync(storage.gameConfigPath));

    let modObj            = (await storage.instance.get(
        config.path.info(modID)
    )).data;
    ModFactory.passStorage(storage);

    let modInstance = await ModFactoryI.instance(modObj);

    if( !storage.installedMods.includes(modInstance.id) ){
        await modInstance.download(fileName);
    }
    return 0;
}