rspack_plugin_javascript 0.100.0-rc.3

rspack javascript plugin
Documentation 
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use rspack_core::ConstDependency;

use super::JavascriptParserPlugin;
use crate::visitors::JavascriptParser;

pub struct ESMTopLevelThisParserPlugin;

#[rspack_macros::implemented_javascript_parser_hooks]
impl JavascriptParserPlugin for ESMTopLevelThisParserPlugin {
  fn this(
    &self,
    parser: &mut JavascriptParser,
    expr: &swc_core::ecma::ast::ThisExpr,
    _for_name: &str,
  ) -> Option<bool> {
    (parser.is_esm && parser.is_top_level_this()).then(|| {
      parser.add_presentational_dependency(Box::new(ConstDependency::new(
        expr.span.into(),
        "undefined".into(),
      )));
      true
    })
  }
}