If you are planning to write C# scripts for the editor, it's recommended you turn off the TypeScript compiler while you write C# editor code.
How to access the TypeScript service settings
Developer Options setting, which will allow more settings for the TypeScript compiler
This will change the TypeScript menu to add options to start/stop the compiler. This can be utilized to stop the compiler recompiling each time you make a C# change.
TypeScript developer mode
Airship Editor C# API
Airship has the following user editor APIs you can use:
AirshipSerializedProperty and AirshipSerializedObject for handling Airship Behaviour property serialization
AirshipCustomEditors for querying the registered custom inspectors for AirshipBehaviours