Add NeoForge to infer (#1443)

* Add NeoForge inferring

* Add check for if below 1.20.2

helpers/infer.js

@@ -95,7 +95,7 @@ export const inferVersionInfo = async function (rawFile, project, gameVersions)
     .map((it) => it.version)
 
   const inferFunctions = {
-    // Forge 1.13+
+    // Forge 1.13+ and NeoForge
     'META-INF/mods.toml': async (file, zip) => {
       const metadata = TOML.parse(file, { joiner: '\n' })
 
@@ -122,6 +122,7 @@ export const inferVersionInfo = async function (rawFile, project, gameVersions)
         const mcDependencies = Object.values(metadata.dependencies)
           .flat()
           .filter((dependency) => dependency.modId === 'minecraft')
+
         if (mcDependencies.length > 0) {
           gameVersions = getGameVersionsMatchingMavenRange(
             mcDependencies[0].versionRange,
@@ -129,11 +130,31 @@ export const inferVersionInfo = async function (rawFile, project, gameVersions)
           )
         }
 
+        const hasNeoForge =
+          Object.values(metadata.dependencies)
+            .flat()
+            .filter((dependency) => dependency.modId === 'neoforge').length > 0
+
+        const hasForge =
+          Object.values(metadata.dependencies)
+            .flat()
+            .filter((dependency) => dependency.modId === 'forge').length > 0
+
+        // Checks if game version is below 1.20.2 as NeoForge full split and id change was in 1.20.2
+        const below1202 = getGameVersionsMatchingSemverRange('<=1.20.1', simplifiedGameVersions)
+
+        const isOlderThan1202 = below1202.some((r) => gameVersions.includes(r))
+
+        const loaders = []
+
+        if (hasNeoForge) loaders.push('neoforge')
+        if (hasForge || isOlderThan1202) loaders.push('forge')
+
         return {
           name: `${project.title} ${versionNum}`,
           version_number: versionNum,
           version_type: versionType(versionNum),
-          loaders: ['forge'],
+          loaders,
           game_versions: gameVersions,
         }
       } else {
@@ -250,6 +271,9 @@ export const inferVersionInfo = async function (rawFile, project, gameVersions)
       if ('forge' in metadata.dependencies) {
         loaders.push('forge')
       }
+      if ('neoforge' in metadata.dependencies) {
+        loaders.push('neoforge')
+      }
       if ('fabric-loader' in metadata.dependencies) {
         loaders.push('fabric')
       }