Add support for other modloaders

Author: rubensworks

README.md

@@ -59,6 +59,16 @@ Will output to standard output something in the form of:
 
 Entries are sorted by file upload date.
 
+By default, mods for the Forge modloader will be fetched, but any other modloader can be fetched as follows:
+
+```bash
+$ forge-update-generator cyclops-core NeoForge
+```
+
+```bash
+$ forge-update-generator cyclops-core Fabric
+```
+
 ### Experimental: Generate update file and fetch changelogs
 
 If you pass the `-c` option, changelogs will be fetched from their respective CurseForge page.

bin/generate.ts

@@ -8,10 +8,10 @@ import { ForgeUpdateJsonCreator } from '../lib/ForgeUpdateJsonCreator';
 
 // Process CLI args
 const args = minimist(process.argv.slice(2));
-if (args.help || args._.length !== 1) {
-  process.stdout.write(`forge-update-generator Detects new Cyclops mod versions
+if (args.help || !(args._.length === 1 || args._.length === 2)) {
+  process.stdout.write(`forge-update-generator Detects new mod versions
 Usage:
-  forge-update-generator modname
+  forge-update-generator modname [modloader]
 Options:
   -c            if changelogs should be fetched from CurseForge via HTML scraping
   --help        print this help message
@@ -20,12 +20,13 @@ Options:
 }
 
 async function run(): Promise<void> {
+  const modLoader = args._[1];
   const dataCurseforge = await new CurseforgeLoader().load(args._[0]);
   const changelogLoader = args.c ? new CurseforgeChangelogLoader() : new DeferredChangelogLoader();
   if ('initialize' in changelogLoader) {
     await changelogLoader.initialize();
   }
-  const dataForge = await new ForgeUpdateJsonCreator(changelogLoader).generate(dataCurseforge);
+  const dataForge = await new ForgeUpdateJsonCreator(changelogLoader).generate(dataCurseforge, modLoader);
   if ('deinitialize' in changelogLoader) {
     await changelogLoader.deinitialize();
   }

lib/ForgeUpdateJsonCreator.ts

@@ -11,7 +11,7 @@ export class ForgeUpdateJsonCreator {
     this.changelogLoader = changelogLoader;
   }
 
-  public async generate(dataCurseforge: ICurseforgeData): Promise<IForgeUpdateData> {
+  public async generate(dataCurseforge: ICurseforgeData, modLoader?: string): Promise<IForgeUpdateData> {
     const dataForge: IForgeUpdateData = {
       homepage: dataCurseforge.urls.curseforge,
       promos: {},
@@ -21,9 +21,9 @@ export class ForgeUpdateJsonCreator {
     const latestMcVersions: Record<string, string> = {};
     const recommendedMcVersions: Record<string, string> = {};
     for (const file of dataCurseforge.files) {
-      if (file.versions.includes('Forge')) {
+      if (file.versions.includes(modLoader || 'Forge')) {
         // Determine MC and mod version
-        const mcVersion = file.version;
+        const mcVersion: string = file.versions.find(version => version.includes('.'))!;
         const match = /-([^-]*)\.jar/u.exec(file.name);
         if (!match) {
           continue;