Shu DingandGitHub d19d802671 Improve the Server Actions SWC transform (part 2) (#62052) ...

This fills the last piece in the puzzle and it's based on #61001. In
#61001 we covered the case of nested Server Action definition in a non
"use server" file. And this PR extends that to a "use server" file so
exported values are automatically handled just like before, but any
other definitions including nested ones will be hoisted and marked
correctly now.

```ts
'use server'

let a, f

export async function action0(b, c, ...g) { // <- Handled like before.
  return async function action1(d) {        // <- Renamed, marked and hoisted.
    'use server'
    let f
    console.log(...window, { window })
    console.log(a, b, action2)

    async function action2(e) {             // <- Renamed, marked and hoisted.
      'use server'
      console.log(a, c, d, e, f, g)
    }

    return [
      action2,
      async function action3(e) {           // <- Renamed, marked and hoisted.
        'use server'
        action2(e)
        console.log(a, c, d, e)
      },
    ]
  }
}
```

Closes NEXT-2491

2024-02-15 23:41:52 +01:00

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