code: function getField(object, fieldPath) {
    let currentObject = object
    
    for (let fieldName of fieldPath.split(".")) {
      if (!currentObject.hasOwnProperty(fieldName)) {
        return undefined
      }
      
      currentObject = currentObject[fieldName]
    }
    
    return currentObject
  }
docs: Returns the value of the field at the specified field path of the provided
  object.
  
  @param {Object} object The object from which the field path value should be
  extracted.
  @param {string} fieldPath The path to the field from which the value should
  be returned. The field path must be a sequence of valid ECMAScript
  identifiers separated by dots.
  @return {*} The value of the field at the specified field path.