Added better support for Next13 and Monorepos

Author: luca-vogels

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lup-root",
-  "version": "1.3.8",
+  "version": "1.3.9",
   "description": "Determines absolute path to project root and main file",
   "files": [
     "lib/**/*"

src/index.ts

@@ -9,46 +9,78 @@ try {
   throw new Error();
 } catch (ex: any) {
   const lines = ex.stack.toString().split('\n');
+
   for (let i = lines.length - 1; i >= 0; i--) {
     const line = lines[i].trim();
-    let start = line.indexOf('(');
-    if (start < 0) continue;
-    start++;
-    let end = line.indexOf(')', start);
-    if (!end) continue;
-    let path = line.substring(start, end).trim().replace(/\\/g, '/'); // '\' -> '/'
-    if (
-      path.length === 0 ||
-      path.startsWith('internal/modules/') ||
-      path.startsWith('node:') ||
-      path.lastIndexOf('/.next/server/') >= 0
-    )
-      continue;
-
-    // remove line and column numbers at end
-    for (let j = 0; j < 2; j++) {
-      end = path.lastIndexOf(':');
-      if (end < 0) break;
-      path = path.substring(0, end);
-    }
-
-    if (path === _MAIN) continue;
-
-    _MAIN = path;
-    end = path.lastIndexOf('/node_modules/');
-    end = end < 0 ? path.lastIndexOf('/') : end;
-    _ROOT = end > 0 ? path.substring(0, end + 1) : path;
-    _ROOT = _ROOT.endsWith('/') ? _ROOT.substring(0, _ROOT.length - 1) : _ROOT;
-
-    // strip common build directories
-    for (const buildDir of COMMON_BUILD_DIRECTORIES) {
-      if (_ROOT.endsWith(buildDir)) {
-        _ROOT = _ROOT.substring(0, _ROOT.length - buildDir.length);
-        break;
+    let start = 0;
+    let found = false;
+
+    do {
+      start = line.indexOf('(', start);
+      if (start < 0) break;
+      start++;
+      let end = start;
+
+      // find closing bracket 
+      let countOpening = 1;
+      do {
+        const idx1 = line.indexOf('(', end);
+        const idx2 = line.indexOf(')', end);
+        if(idx1 < 0 && idx2 < 0){ countOpening = -1; break; }
+
+        if(idx1 >= 0 && idx1 < idx2){
+          // another opening bracket found
+          countOpening++;
+          end = idx1 + 1;
+        } else { // closing bracket found
+          countOpening--;
+          end = idx2 + (countOpening === 0 ? 0 : 1);
+        }
+      } while(countOpening > 0);
+      if(countOpening < 0) break;
+
+      let path = line.substring(start, end).trim().replace(/\\/g, '/'); // '\' -> '/'
+      start = end + 1;
+      if (
+        path.length === 0 ||
+        path === 'rsc' ||
+        path.startsWith('internal/modules/') ||
+        path.startsWith('node:') ||
+        path.startsWith('webpack-internal:') ||
+        path.lastIndexOf('/webpack-runtime.') >= 0 ||
+        path.lastIndexOf('/next/dist') >= 0 || 
+        path.startsWith('index ')
+      )
+        continue;
+
+      // remove line and column numbers at end
+      for (let j = 0; j < 2; j++) {
+        end = path.lastIndexOf(':');
+        if (end < 0) break;
+        path = path.substring(0, end);
       }
-    }
 
-    break;
+      if (path === _MAIN && path.lastIndexOf('/.next/server') < 0) break;
+
+      _MAIN = path;
+      end = path.lastIndexOf('/node_modules/');
+      end = end < 0 ? path.lastIndexOf('/.next/server') : end;
+      end = end < 0 ? path.lastIndexOf('/') : end;
+      _ROOT = end > 0 ? path.substring(0, end + 1) : path;
+      _ROOT = _ROOT.endsWith('/') ? _ROOT.substring(0, _ROOT.length - 1) : _ROOT;
+
+      // strip common build directories
+      for (const buildDir of COMMON_BUILD_DIRECTORIES) {
+        if (_ROOT.endsWith(buildDir)) {
+          _ROOT = _ROOT.substring(0, _ROOT.length - buildDir.length);
+          break;
+        }
+      }
+
+      found = true;
+    } while(!found);
+
+    if(found) break;
   }
 }
 Error.stackTraceLimit = originalStackTraceLimit;