Make Satisfactory Mod Manager able to detect game installed by Heroic

[Quix0r]

I'm currently trying to add support to the Satisfactory Mod Manager for HGL. My current work is based on src/installfinds/legendary.ts and looks like this:

import fs from 'fs';
import { execSync } from 'child_process';
import {
  debug,
} from '../../logging';
import { SatisfactoryInstall } from '../../satisfactoryInstall';
import { InstallFindResult } from '../baseInstallFinder';

interface HeroicGame {
  app_name: string;
  base_urls: string[];
  can_run_offline: boolean;
  egl_guid: string;
  executable: string;
  install_path: string;
  install_size: number;
  is_dlc: boolean;
  launch_parameters: string;
  manifest_path: string;
  needs_verification: boolean;
  requires_ot: boolean;
  save_path: string;
  title: string;
  version: string;
}

interface HeroicData {
  [name: string]: HeroicGame;
}

interface HeroicConfig {
  [appname: string]: {
    wine_prefix?: string;
    WINEPREFIX?: string;
  }
}

const HEROIC_DATA_PATH = `${process.env.HOME}/.config/heroic/lib-cache/library.json`;

export function getInstalls(): InstallFindResult {
  const installs: Array<SatisfactoryInstall> = [];
  const invalidInstalls: Array<string> = [];
  if (fs.existsSync(HEROIC_DATA_PATH)) {
    const heroicInstalls = JSON.parse(fs.readFileSync(HEROIC_DATA_PATH, 'utf8')) as HeroicData;
    Object.values(heroicInstalls.library).forEach((heroicGame) => {
      if (heroicGame.app_name.includes('Crab')) {
        let canLaunch = false;
        try {
          execSync('heroic', { stdio: ['ignore', 'pipe', 'ignore'], encoding: 'utf8' });
          canLaunch = true;
        } catch (e) {
          // heroic executable not found
        }
        installs.push(new SatisfactoryInstall(
          `${heroicGame.title} (Heroic)`,
          heroicGame.install.version,
          heroicGame.app_name.substr('Crab'.length),
          heroicGame.install.install_path,
          canLaunch ? `heroic launch ${heroicGame.app_name}` : undefined,
        ));
      }
    });
    return { installs, invalidInstalls };
  }
  debug('Heroic is not installed');

  return { installs: [], invalidInstalls: [] };
}

I currently struggle to find the proper "heroic launch" command. If this can be fixed, mods for Satisfactory can be installed within the HGL's WINEPREFIX.

As NodeJS and VueJS are relative new to me, I have no real idea if this really works?

PS: You can find my repository here: https://github.com/Quix0r/SatisfactoryModManagerAPI