@transferwise/approve-api-action-helpers/src/authenticationFlow.js

An http client that handles SCA protected requests gracefully

import { APPROVAL_PAGE_URL_PRODUCTION, APPROVAL_PAGE_URL_SANDBOX } from './config';
import { iframeFlow } from './iframeFlow';
import { popupFlow } from './popupFlow';
import { tabFlow } from './tabFlow';

export const Flow = {
  IFRAME: 'iframe',
  TAB: 'tab',
  POPUP: 'popup',
};

export const Mode = {
  PRODUCTION: 'production',
  SANDBOX: 'sandbox',
};

const FLOW_STARTERS = {
  [Flow.IFRAME]: iframeFlow,
  [Flow.TAB]: tabFlow,
  [Flow.POPUP]: popupFlow,
};

const getApprovalPageUrlFromMode = (mode) =>
  mode === Mode.SANDBOX ? APPROVAL_PAGE_URL_SANDBOX : APPROVAL_PAGE_URL_PRODUCTION;

export function runFlow({ token, flow = Flow.IFRAME, mode = Mode.PRODUCTION, approvalPageUrl }) {
  return new Promise((resolve, reject) => {
    const props = {
      token,
      approvalPageUrl: approvalPageUrl || getApprovalPageUrlFromMode(mode),
      resolve,
      reject,
    };
    FLOW_STARTERS[flow](props);
  });
}