good-mitm/rules/js.yaml

- name: "js_modify_request"
  mitm: "*"
  filters:
    url-regex: '^https?:\/\/www\.baidu\.com'
  actions:
    js: |
      function process() {
        console.log("from quick_js");

        if (data.request != undefined) {
          let req = data.request;
          console.log(req.headers["user-agent"]);
          return req;
        }
        if (data.response != undefined) {
          let res = data.response;
          if (res.body != undefined) {
            res.body = res.body.replaceAll("百度", "百毒");
          }
          return res;
        }
      }
      process()