Keep import assertions intact in targets that support it

[Mokshit06]

Describe the bug

SWC removes import assertions from esm imports which isn't the expected result, since I am trying to run this file in the browser and it requires import assertions for json imports. I think the import assertions should be kept intact if jsc.parser.importAssertions is set to true and the target supports it

Input code

import json from './file.json' assert { type: "json" }

Config

{
  "jsc": {
    "parser": {
      "syntax": "ecmascript",
      "jsx": false,
      "importAssertions": true
    },
    "target": "es2021",
    "loose": false,
    "minify": {
      "compress": false,
      "mangle": false
    }
  },
  "module": {
    "type": "es6"
  },
  "minify": false,
  "isModule": true
}

Playground link

https://play.swc.rs/?version=1.2.107&code=H4sIAAAAAAAAA8vMLcgvKlHIKs7PU0grys9VUFDX00%2FLzEnVAwmpKyQWF6cC5asVSioLUq0UlECiSgq1AMdd9yk3AAAA&config=H4sIAAAAAAAAA0WOsQ7DIAxE%2F8UzQ5uhQ7Z%2BQD8CUSeiAoxsRypC%2FHshSprNOt%2B7uwofcTBXyJYFeVxSktovzIAuWnHss4Lpti4tNgga8DET61M6oJ6SwKy8YTOgllfUgcp0m%2B4dC0SCfzD65JcyShzFzChyvWxaw%2BlsPSvSextCBS0Z98wHtCvj3CKvw7hv%2BAFPJhDn0AAAAA%3D%3D

Expected behavior

The import assertions should stay intact if the target environment is set to esnext, module system is esm and importAssertions in the config is set to true.

The expected output would be:

import json from  './file.json' assert { type: "json" }

Version

1.2.107

Additional context

No response

[swc-bot]

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