text: import yaml from 'js-yaml';
  
  export default function mergeExtraVars(extraVars = '', survey = {}) {
    const vars = yaml.safeLoad(extraVars) || {};
    return {
      ...vars,
      ...survey,
    };
  }
  
  export function maskPasswords(vars, passwordKeys) {
    const updated = { ...vars };
    passwordKeys.forEach((key) => {
      if (typeof updated[key] !== 'undefined') {
        updated[key] = '········';
      }
    });
    return updated;
  }
  