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'use strict';
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/*
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* cfimport.js – Instanzen aus dem CurseForge-Launcher übernehmen
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* ---------------------------------------------------------------
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* Unterstützt sowohl den Launcher-Wurzelordner als auch direkt den
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* Instances-Ordner. Gelesen werden nach Möglichkeit minecraftinstance.json
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* und die vorhandenen Spieldaten im Profilordner.
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*/
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const fs = require('fs');
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const os = require('os');
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const path = require('path');
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const META_FILES = ['minecraftinstance.json', 'instance.json'];
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function readJson(file, fallback) {
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try {
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return JSON.parse(fs.readFileSync(file, 'utf8').replace(/^\uFEFF/, ''));
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} catch {
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return fallback;
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}
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}
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function existingMetaFile(dir) {
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return META_FILES.map((name) => path.join(dir, name)).find((file) => fs.existsSync(file)) || null;
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}
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function metaVersion(meta) {
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return String(
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(meta && (
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meta.gameVersion || meta.minecraftVersion || meta.mcVersion ||
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(meta.installedModpack && meta.installedModpack.gameVersion)
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)) || ''
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).trim();
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}
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function resolveInstancesDir(inputPath) {
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if (!inputPath || !fs.existsSync(inputPath)) return null;
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const directNames = new Set(['instances', 'minecraftinstances']);
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if (directNames.has(path.basename(inputPath).toLowerCase())) return inputPath;
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const candidates = [
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path.join(inputPath, 'Instances'),
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path.join(inputPath, 'instances'),
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path.join(inputPath, 'minecraftInstances'),
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path.join(inputPath, 'Minecraft', 'Instances'),
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path.join(inputPath, 'minecraft', 'Instances'),
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];
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const looksLikeWindowsInstall =
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/curseforge windows/i.test(inputPath) ||
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(fs.existsSync(path.join(inputPath, 'CurseForge.exe')) && fs.existsSync(path.join(inputPath, 'resources')));
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if (looksLikeWindowsInstall) {
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candidates.push(
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path.join(os.homedir(), 'curseforge', 'minecraft', 'Instances'),
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path.join(os.homedir(), 'CurseForge', 'minecraft', 'Instances'),
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);
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}
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return candidates.find((candidate) => fs.existsSync(candidate)) || null;
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}
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function normalizeLoaderVersion(loader, rawValue, mcVersion) {
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let value = String(rawValue || '').trim();
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if (!value) return '';
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if (loader === 'forge') {
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value = value.replace(/^forge-/i, '');
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if (mcVersion && value.startsWith(mcVersion + '-')) value = value.slice(mcVersion.length + 1);
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return value;
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}
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if (loader === 'neoforge') {
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return value.replace(/^neoforge-/i, '');
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}
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if (loader === 'fabric') {
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value = value.replace(/^fabric(?:-loader)?-/i, '');
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if (mcVersion && value.endsWith('-' + mcVersion)) value = value.slice(0, -1 * (mcVersion.length + 1));
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return value;
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}
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if (loader === 'quilt') {
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value = value.replace(/^quilt(?:-loader)?-/i, '');
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if (mcVersion && value.endsWith('-' + mcVersion)) value = value.slice(0, -1 * (mcVersion.length + 1));
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return value;
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}
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return value;
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}
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function detectLoader(meta, mcVersion) {
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const raw = meta && (
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meta.baseModLoader || meta.modLoader || meta.modloader || meta.loader || meta.modLoaderId
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);
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const value = typeof raw === 'object'
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? (raw.name || raw.id || raw.value || raw.version || '')
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: (raw || '');
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const lower = String(value).toLowerCase();
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const objectVersion = raw && typeof raw === 'object'
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? (raw.version || raw.name || raw.id || '')
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: '';
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if (!lower) return { loader: 'vanilla', loaderVersion: '' };
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if (lower.includes('neoforge')) return { loader: 'neoforge', loaderVersion: normalizeLoaderVersion('neoforge', objectVersion || value, mcVersion) };
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if (lower.includes('fabric')) return { loader: 'fabric', loaderVersion: normalizeLoaderVersion('fabric', objectVersion || value, mcVersion) };
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if (lower.includes('quilt')) return { loader: 'quilt', loaderVersion: normalizeLoaderVersion('quilt', objectVersion || value, mcVersion) };
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if (lower.includes('forge')) return { loader: 'forge', loaderVersion: normalizeLoaderVersion('forge', objectVersion || value, mcVersion) };
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return { loader: 'vanilla', loaderVersion: '' };
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}
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function detectVersion(meta, loaderVersion) {
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return metaVersion(meta) || (loaderVersion && loaderVersion.includes('-') ? loaderVersion.split('-')[0] : '');
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}
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function findGameDir(dir) {
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const nested = ['minecraft', '.minecraft']
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.map((name) => path.join(dir, name))
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.find((candidate) => fs.existsSync(candidate));
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if (nested) return nested;
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const markers = ['mods', 'config', 'resourcepacks', 'shaderpacks', 'saves', 'options.txt'];
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return markers.some((name) => fs.existsSync(path.join(dir, name))) ? dir : null;
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}
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function scan(inputPath) {
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const instancesDir = resolveInstancesDir(inputPath);
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if (!instancesDir) return { ok: false, reason: 'not-found' };
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const list = [];
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for (const entry of fs.readdirSync(instancesDir, { withFileTypes: true })) {
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if (!entry.isDirectory()) continue;
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const dir = path.join(instancesDir, entry.name);
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const metaFile = existingMetaFile(dir);
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const meta = metaFile ? readJson(metaFile, {}) : {};
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const gameDir = findGameDir(dir);
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if (!metaFile && !gameDir) continue;
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const versionHint = metaVersion(meta);
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const loaderInfo = detectLoader(meta, versionHint);
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list.push({
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folder: entry.name,
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dir,
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name: meta.name || meta.displayName || entry.name,
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group: '',
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notes: meta.notes || meta.summary || '',
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version: versionHint || detectVersion(meta, loaderInfo.loaderVersion),
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loader: loaderInfo.loader,
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loaderVersion: loaderInfo.loaderVersion,
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javaPath: String(meta.javaPath || meta.javaExecutable || '').trim(),
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minMemMb: Number(meta.minimumMemory || meta.minMemory || meta.minMemAlloc) || null,
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maxMemMb: Number(meta.maximumMemory || meta.maxMemory || meta.maxMemAlloc || meta.allocatedMemory) || null,
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gameDir: gameDir || dir,
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hasGameData: !!gameDir,
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});
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}
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list.sort((a, b) => a.name.localeCompare(b.name));
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return { ok: true, instancesDir, count: list.length, instances: list };
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}
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function copyInto(sourceDir, targetDir) {
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fs.mkdirSync(targetDir, { recursive: true });
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for (const name of fs.readdirSync(sourceDir)) {
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if (META_FILES.includes(name)) continue;
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fs.cpSync(path.join(sourceDir, name), path.join(targetDir, name), { recursive: true });
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}
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}
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function importOne(store, entry, copyData = true) {
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const created = store.createOrReplaceImportedInstance({
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name: entry.name,
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group: entry.group,
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notes: entry.notes,
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minecraft: {
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version: entry.version,
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loader: entry.loader,
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loaderVersion: entry.loaderVersion,
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},
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});
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const patch = {};
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if (entry.javaPath || entry.minMemMb || entry.maxMemMb) {
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patch.java = {
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path: entry.javaPath || '',
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minMemMb: entry.minMemMb || null,
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maxMemMb: entry.maxMemMb || null,
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extraArgs: '',
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};
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}
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if (Object.keys(patch).length) store.updateInstance(created.id, patch);
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let copied = false;
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if (copyData && entry.gameDir && fs.existsSync(entry.gameDir)) {
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copyInto(entry.gameDir, store.gameDir(created.id));
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copied = true;
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}
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return { id: created.id, name: created.name, copied };
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}
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module.exports = { scan, importOne, resolveInstancesDir };
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