webpack: Fix undefined outputPath error in afterEmit hook

- Add check for compilation.outputPath before using it
- This prevents the TypeError when outputPath is undefined
- Should fix the build failure in GitHub Actions

Author: softartdev

app/web/webpack.config.d/sqljs-config.js

@@ -70,6 +70,13 @@ class SQLJsWasmFixPlugin {
             const fs = require('fs');
             const path = require('path');
 
+            // Check if outputPath is defined
+            if (!compilation.outputPath) {
+                console.log('🔧 No outputPath defined, skipping distribution file processing');
+                callback();
+                return;
+            }
+            
             // Process distribution files if they exist
             const distPath = path.join(compilation.outputPath, '..', 'dist', 'wasmJs', 'productionExecutable');
             if (fs.existsSync(distPath)) {
@@ -99,6 +106,8 @@ class SQLJsWasmFixPlugin {
                         }
                     }
                 });
+            } else {
+                console.log('🔧 Distribution path does not exist:', distPath);
             }
             callback();
         });