unbundle: more control over vendor / async-vendor

[bompus]

if (staticImportedScan(id, getModuleInfo, new Map(), [])) {
    return "vendor";
  } else {
    return "async-vendor";
}

Currently, this produces very large vendor / async-vendor (2MB+) bundles for me. This might be better if these could possibly:

1. Returned undefined for default rollup splitting logic.
2. Return the name of the npm package, such as lodash or date-fns ( returning undefined might actually do this? )

Of course, people like options, so if there is some way to turn this into a new option on the plugin, that is always ideal so folks can opt-in to the behavior they would like.

[sanyuan0704]

I think you can use customSplitting config to split the chunk appropriately, such as:

// vite.config.ts
import { chunkSplitPlugin } from 'vite-plugin-chunk-split';

{
  plugins: [
    // ...
    chunkSplitPlugin({
      customSplitting: {
        lodash: ['lodash'],
      }
    })
  ]
}

[bompus]

I could use customSplitting, but then every user ( and myself ) has to remember to add every dependency added to the project to the array, and it's inevitable that one will be forgotten at some point unless it's automated.