import { createUnplugin } from 'unplugin';
import { createTransformer } from './transform.mjs';
import 'acorn';
import 'magic-string';
import 'estree-walker';

const unctxPlugin = createUnplugin((options = {}) => {
  const transformer = createTransformer(options);
  return {
    name: "unctx:transfrom",
    enforce: "post",
    transformInclude: options.transformInclude,
    transform(code, id) {
      const result = transformer.transform(code);
      if (result) {
        return {
          code: result.code,
          map: result.magicString.generateMap({ source: id, includeContent: true })
        };
      }
    }
  };
});

export { unctxPlugin };