Spack doesn't include sourcemaps

[Nerixyz]

Describe the bug
When bundling with sourceMaps enabled, spack does't emit sourcemaps.

Input code

function add(...args: number[]): number {
  return args.reduce((acc, v) => acc + v, 0);
}

console.log(add(1,2,3,4));

Config

/** @type {import('@swc/core/spack').BundleOptions} */
module.exports = {
  entry: 'src/index.ts',
  output: {
    name: 'bundle.js',
    path: 'dist'
  },
  options: {
    jsc: {
      parser: {
        syntax: 'typescript'
      }
    },
    sourceMaps: true
  }
}

Expected behavior

Spack should emit sourcemaps

Version
The version of @swc/core: 1.2.46

Additional context
I also noticed, spack doesn't take the output.name into consideration.

[swc-bot]

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