This is the original file structure

Multi-entry packaging, index file is only import statement, which meets my needs, but utils file is also processed, resulting in a lot of files, I don't need these extra things

import { defineConfig } from "tsup";
import { globSync } from "glob";

export default defineConfig({
  entry: globSync("src/**/*.{ts,tsx}"),
  format: ["esm", "cjs"],
  clean: true,
  dts: true,
  external: ["lodash"],
});

When packing at a single entrance, the contents of import are packed in, which is not what I want.
Because it can't be used by treeshaking, right?

export default defineConfig({
  entry: ["src/index.ts"],
  format: ["esm", "cjs"],
  clean: true,
  dts: true,
  external: ["lodash"],
});

How do you configure everyone?