Add doc.

.eslintrc.json

@@ -5,7 +5,7 @@
     },
     "extends": "eslint:recommended",
     "parserOptions": {
-        "ecmaVersion": 2019,
+        "ecmaVersion": 2021,
         "sourceType": "module"
     },
     "rules": {

app/assets/js/distromanager.js

@@ -118,7 +118,7 @@ class Module {
      * @returns {Module} The parsed Module.
      */
     static fromJSON(json, serverid){
-        return new Module(json.id, json.name, json.type, json.required, json.artifact, json.subModules, serverid)
+        return new Module(json.id, json.name, json.type, json.classpath, json.required, json.artifact, json.subModules, serverid)
     }
 
     /**
@@ -143,9 +143,10 @@ class Module {
         }
     }
 
-    constructor(id, name, type, required, artifact, subModules, serverid) {
+    constructor(id, name, type, classpath, required, artifact, subModules, serverid) {
         this.identifier = id
         this.type = type
+        this.classpath = classpath
         this._resolveMetaData()
         this.name = name
         this.required = Required.fromJSON(required)
@@ -306,6 +307,13 @@ class Module {
         return this.type
     }
 
+    /**
+     * @returns {boolean} Whether or not this library should be on the classpath.
+     */
+    getClasspath(){
+        return this.classpath ?? true
+    }
+
 }
 exports.Module
 

app/assets/js/processbuilder.js

@@ -709,6 +709,7 @@ class ProcessBuilder {
      * @returns {{[id: string]: string}} An object containing the paths of each library mojang declares.
      */
     _resolveMojangLibraries(tempNativePath){
+        const nativesRegex = /.+:natives-([^-]+)(?:-(.+))?/
         const libs = {}
 
         const libArr = this.versionData.libraries
@@ -716,13 +717,9 @@ class ProcessBuilder {
         for(let i=0; i<libArr.length; i++){
             const lib = libArr[i]
             if(Library.validateRules(lib.rules, lib.natives)){
-                if(lib.natives == null){
-                    const dlInfo = lib.downloads
-                    const artifact = dlInfo.artifact
-                    const to = path.join(this.libPath, artifact.path)
-                    const versionIndependentId = lib.name.substring(0, lib.name.lastIndexOf(':'))
-                    libs[versionIndependentId] = to
-                } else {
+
+                // Pre-1.19 has a natives object.
+                if(lib.natives != null) {
                     // Extract the native library.
                     const exclusionArr = lib.extract != null ? lib.extract.exclude : ['META-INF/']
                     const artifact = lib.downloads.classifiers[lib.natives[Library.mojangFriendlyOS()].replace('${arch}', process.arch.replace('x', ''))]
@@ -757,6 +754,65 @@ class ProcessBuilder {
 
                     }
                 }
+                // 1.19+ logic
+                else if(lib.name.includes('natives-')) {
+
+                    const regexTest = nativesRegex.exec(lib.name)
+                    // const os = regexTest[1]
+                    const arch = regexTest[2] ?? 'x64'
+
+                    if(arch != process.arch) {
+                        continue
+                    }
+
+                    // Extract the native library.
+                    const exclusionArr = lib.extract != null ? lib.extract.exclude : ['META-INF/', '.git', '.sha1']
+                    const artifact = lib.downloads.artifact
+
+                    // Location of native zip.
+                    const to = path.join(this.libPath, artifact.path)
+
+                    let zip = new AdmZip(to)
+                    let zipEntries = zip.getEntries()
+
+                    // Unzip the native zip.
+                    for(let i=0; i<zipEntries.length; i++){
+                        if(zipEntries[i].isDirectory) {
+                            continue
+                        }
+
+                        const fileName = zipEntries[i].entryName
+
+                        let shouldExclude = false
+
+                        // Exclude noted files.
+                        exclusionArr.forEach(function(exclusion){
+                            if(fileName.indexOf(exclusion) > -1){
+                                shouldExclude = true
+                            }
+                        })
+
+                        const extractName = fileName.includes('/') ? fileName.substring(fileName.lastIndexOf('/')) : fileName
+
+                        // Extract the file.
+                        if(!shouldExclude){
+                            fs.writeFile(path.join(tempNativePath, extractName), zipEntries[i].getData(), (err) => {
+                                if(err){
+                                    logger.error('Error while extracting native library:', err)
+                                }
+                            })
+                        }
+
+                    }
+                }
+                // No natives
+                else {
+                    const dlInfo = lib.downloads
+                    const artifact = dlInfo.artifact
+                    const to = path.join(this.libPath, artifact.path)
+                    const versionIndependentId = lib.name.substring(0, lib.name.lastIndexOf(':'))
+                    libs[versionIndependentId] = to
+                }
             }
         }
 
@@ -816,15 +872,9 @@ class ProcessBuilder {
         for(let sm of mdl.getSubModules()){
             if(sm.getType() === DistroManager.Types.Library){
 
-                // TODO Add as file or something.
-                const x = sm.getIdentifier()
-                console.log(x)
-                if(x.includes(':universal') || x.includes(':slim') || x.includes(':extra') || x.includes(':srg') || x.includes(':client')) {
-                    console.log('SKIPPING ' + x)
-                    continue
+                if(sm.getClasspath()) {
+                    libs.push(sm.getArtifact().getPath())
                 }
-
-                libs.push(sm.getArtifact().getPath())
             }
             // If this module has submodules, we need to resolve the libraries for those.
             // To avoid unnecessary recursive calls, base case is checked here.

app/assets/js/scripts/settings.js

@@ -138,8 +138,8 @@ function initSettingsValues(){
                 if(v.type === 'number' || v.type === 'text'){
                     // Special Conditions
                     if(cVal === 'JavaExecutable'){
-                        populateJavaExecDetails(v.value)
                         v.value = gFn.apply(null, gFnOpts)
+                        populateJavaExecDetails(v.value)
                     } else if (cVal === 'DataDirectory'){
                         v.value = gFn.apply(null, gFnOpts)
                     } else if(cVal === 'JVMOptions'){
@@ -1380,7 +1380,6 @@ function prepareJavaTab(){
     bindRangeSlider()
     populateMemoryStatus()
     populateJavaReqDesc()
-    populateJavaExecDetails()
 }
 
 /**

docs/distro.md

@@ -208,6 +208,12 @@ The name of the module. Used on the UI.
 
 The type of the module.
 
+### `Module.classpath: boolean`
+
+**OPTIONAL**
+
+If the module is of type `Library`, whether the library should be added to the classpath. Defaults to true.
+
 ### `Module.required: Required`
 
 **OPTIONAL**