code: function convertFieldName (name) {
    const regex = new RegExp(/\.|\(|\)/g)
    return name.replace(regex, '').replace(/\s/g, '_')
  }
docs: Converts a single field name to a legal javascript object key
  
  @params {string} name - the original field name
  @returns {string} outName - a cleansed field name
  @private