improve path resolution

Author: krusche

packages/server/src/main/constants.ts

@@ -1,11 +1,27 @@
 import path from 'path';
-import { fileURLToPath } from 'url';
 
-const currentDir = path.dirname(fileURLToPath(import.meta.url));
+const argvDir = process.argv[1] ? path.dirname(path.resolve(process.argv[1])) : '';
+const cwd = process.cwd();
+const baseDirCandidates = [argvDir, cwd].filter(Boolean);
 
-export const webappPath = path.resolve(currentDir, '../../../../build/webapp');
-export const indexHtml = path.resolve(webappPath, './index.html');
+let baseDir = cwd;
+for (const candidate of baseDirCandidates) {
+  const normalized = path.normalize(candidate);
+  if (normalized.endsWith(path.join('build', 'server'))) {
+    baseDir = path.resolve(candidate, '..', '..');
+    break;
+  }
+  if (normalized.endsWith(path.join('packages', 'server'))) {
+    baseDir = path.resolve(candidate, '..', '..');
+    break;
+  }
+}
 
-export const diagramStoragePath = path.resolve(currentDir, '../../../../diagrams');
+const rootDir = process.env.APOLLON_BASE_DIR ? path.resolve(process.env.APOLLON_BASE_DIR) : baseDir;
+
+export const webappPath = path.resolve(rootDir, 'build/webapp');
+export const indexHtml = path.resolve(webappPath, 'index.html');
+
+export const diagramStoragePath = path.resolve(rootDir, 'diagrams');
 
 export const tokenLength = 20;