text: import { decodeString } from 'core/utils/b64';
  
  /*
   * @param token - Replication Secondary Activation Token
   * @returns config Object if successful | undefined if not
   *
   */
  export default function(token) {
    if (!token) {
      return;
    }
    const tokenParts = token.split('.');
    // config is the second item in the JWT
    let [, configB64] = tokenParts;
    let config;
  
    if (tokenParts.length !== 3) {
      return;
    }
  
    // JWTs strip padding from their b64 parts.
    // since we're converting to a typed array before
    // decoding back to utf-8, we need to add any padding back
    while (configB64.length % 4 !== 0) {
      configB64 = configB64 + '=';
    }
    try {
      config = JSON.parse(decodeString(configB64));
    } catch (e) {
      // swallow error
    }
  
    return config;
  }
  