Function Program

packages/router-plugin/src/core/code-splitter/compilers.ts:1350–1366

(programPath)

    // the exported bindings as unreferenced.
    babel.traverse(ast, {
      Program(programPath) {
        const bodyPaths = programPath.get('body')
        const last = bodyPaths[bodyPaths.length - 1]
        if (last && last.isExportNamedDeclaration()) {
          last.traverse({
            Identifier(identPath) {
              if (
                identPath.parentPath.isExportSpecifier() &&
                identPath.key === 'local'
              ) {
                refIdents.add(identPath)
              }
            },
          })
        }
        programPath.stop()
      },
    })
  }