jhm-ciberman/docs_gm

import * as fg from "fast-glob";
import * as path from "path";

import { injectable } from "inversify";
import GMS1ProjectLoader from "./gms1/GMS1ProjectLoader";
import GMS2ProjectLoader from "./gms2/GMS2ProjectLoader";
import IGMProject from "./IGMProject";
import IGMProjectLoader from "./IGMProjectLoader";

/**
 * This Factory class loads a GMS1 or GMS2 project and returns a GMProject object
 */
@injectable()
export default class GMProjectLoader implements IGMProjectLoader {

    /**
     * Loads a specified GMS1 or GMS2 Project
     * @param gmProjectPath The project path to load
     * @return A promise with the loaded project
     */
    public async load(gmProjectPath: string): Promise<IGMProject> {
        const files = await fg("./*.{yyp,gmx}", {
            absolute: true,
            cwd: path.resolve(gmProjectPath),
        });

        if (files.length === 0) {
            throw new Error("Unrecognized GM project. No *.yyp or *.gmx file found");
        }

        const extArr = path.extname(files[0]).split(".");

        const ext = extArr[extArr.length - 1];

        let loader: IGMProjectLoader;
        if (ext === "gmx") {
            loader = new GMS1ProjectLoader();
        } else {
            loader = new GMS2ProjectLoader();
        }
        return loader.load(files[0]);
    }
}