feat: introduce helper method visit_top_level_stmt while visiting ast

[hyf0]

Description

Test Plan

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[hyf0]

Current dependencies on/for this PR:

• main
  • PR fix: deconflict for duplicate canonical names #365
    • PR chore: update oxc to 0.0.18 #367
      • PR test: enable nested_directories #369
        • PR feat: allow to get current StmtInfo in visiting ast #370
          • PR feat: introduce helper method visit_top_level_stmt while visiting ast #371 👈
            • PR feat: basic treeshaking #372
              • PR feat: improve side-effect detection of MemberExpression #374
                • PR feat(rust): rendering runtime module in snapshot testing #375
                  • PR fix: should correctly render export default xxx #377
                  • PR chore: rename Scanner to AstScanner #378
                  • PR chore: split scanner.rs into different files #379
                  • PR fix: duplicate dynamic entries #380
                  • PR fix: more meaningful chunk filename #381
                  • PR feat: treeshaking in module level #382
                  • PR feat: exclude modules in code splitting #383
                  • PR refactor(ts): clean up methods of RolldownBuild #388

This stack of pull requests is managed by Graphite.

[Boshen]

Merge activity

• Nov 26, 10:26 PM: @Boshen started a stack merge that includes this pull request via Graphite.
• Nov 26, 10:28 PM: Graphite rebased this pull request as part of a merge.
• Nov 26, 10:31 PM: @Boshen merged this pull request with Graphite.