ice/packages/plugin-pha/template/appWorker.ejs

<% if(appWorkerPath) {-%>import '<%- appWorkerPath %>';<% } -%>
<% if(!!loaders && !!dataLoader && useAppWorker) {-%>
import dataloaderConfig from './dataloader-config';

addEventListener('beforepageload', async (pageInfos = {}) => {
  const {
    key,
  } = pageInfos.detail || {};
  const config = dataloaderConfig[key];
  if (config) {
    if (typeof config === 'function') {
      const res = await config();
      pha.postMessage(res, '0');
    } else if (Array.isArray(config)) {
      config.forEach(async (item, index) => {
        if (typeof item === 'function') {
          const res = await item();
          pha.postMessage(res, `$index}`);
        }
      });
    }
  }
});
<% } -%>