WKWebView CORS Solution: sendRequest.js

sendRequest.js

const sendNativePostRequest = (url, params) => {
  return new Promise((resolve, reject) => {
    const uuid = uuidv4();
    _.set(window, `jsCallbackBridge.promises.${uuid}`, { resolve, reject });

    const body = ''; //TODO: construct body
    window.webkit.messageHandlers.native.postMessage({
        type: 'SEND_HTTP_REQUEST',
        url,
        body,
        method: 'POST',
        uuid,
        accept: 'application/json',
        content_type: 'application/x-www-form-urlencoded; charset=utf-8'
      });
  });
};