Webpack: cache lib.js to disk to prevent occasional OOM

src/middleware/webpack-serve.js

@@ -1,4 +1,5 @@
 import process from 'node:process';
+import fs from 'node:fs';
 import webpack from 'webpack';
 import middleware from 'webpack-dev-middleware';
 import { publicLibConfig } from '../../webpack.config.js';
@@ -16,5 +17,8 @@ export default function getWebpackServeMiddleware() {
         });
     }
 
-    return middleware(compiler, {});
+    return middleware(compiler, {
+        // @ts-ignore Use actual file system to ease on heap memory usage
+        outputFileSystem: fs,
+    });
 }