Function getFetchImpl

microsoft-email.js:44–50

(fetchImpl)

  const OUTLOOK_API_BASE = 'https://outlook.office.com/api/v2.0/me/mailfolders';

  function getFetchImpl(fetchImpl) {
    const resolved = fetchImpl || globalScope.fetch;
    if (typeof resolved !== 'function') {
      throw new Error('Microsoft email helper requires a fetch implementation.');
    }
    return resolved;
  }

  function resolveTokenStrategy(name) {
    return TOKEN_STRATEGIES.find((item) => item.name === name) || TOKEN_STRATEGIES[0];