Not working if build.rollupOptions.output.assetFileNames is hash-only

[da411d]

Not working if build.rollupOptions.output.assetFileNames is hash-only

{
// ...
  build: {
    // ...
    rollupOptions: {
      // ...
      output: {
        entryFileNames: "frontend/assets/[name]-[hash:16].js",
        chunkFileNames: "frontend/assets/[hash:16].js",
        assetFileNames: "frontend/assets/[hash:16].[ext]", // <----- how can I guess the hash 
      },
    },
  },
  // ...