Function transform

src/compiler/bundle/worker-plugin.ts:20–28

(_, id)

    return {
      name: 'workerPlugin',
      transform(_, id) {
        if (id.endsWith('?worker') || id.endsWith('?worker-inline')) {
          return {
            code: getMockedWorkerMain(),
            map: { mappings: '' },
          };
        }
        return null;
      },
    };
  }