Axios call that aborts/cancels the previous call automatically

axios-auto-cancel.js

const postAndCancelPrevCall = (() => {
  let cancelTokenInstance;
  return async (body) => {
    try {
      if (cancelTokenInstance) {
        cancelTokenInstance.cancel('cancelled by user');
      }
      cancelTokenInstance = CancelToken.source();
      const axiosResponse = await axios.post(body, {
        cancelToken: cancelTokenInstance.token
      });
      cancelTokenInstance = null;
      return axiosResponse;
    } catch (err) {
      if (!axios.isCancel(err)) {
        throw err;
      }
    }
    return undefined;
  };
})();

Promise.all([
  // like a user typing 'hi' on a text field..
  postAndCancelPrevCall({ text: 'h' }),
  postAndCancelPrevCall({ text: 'hi' }),
]).then(results => console.log(results)); // [undefined, <axiosResponse>]