Searches for a layer with the given name, passes it to the optional callback function (if provided), and returns it. This will search both polygon and marker layers at once. |
Parameters:
name (string): the name of the layer to search for
callback (function): (OPTIONAL) A callback function to execute. It will be passed the layer found, which may be null if no layer matches name.
Returns: A promise that resolves to layer (object): The layer matching name, or null if no layer matches name.