Update the FlightLog (WIP)

data/libs/FileSystem.lua

@@ -0,0 +1,27 @@
+---@class FileSystem : FileSystemBase
+local FileSystem = package.core["FileSystem"]
+
+--- Wrapper for our patched io.open that ensures files are opened inside the sandbox.
+--- Prefer using this to io.open
+---
+--- Files in the user folder can be read or written to
+--- Files in the data folder are read only.
+---
+---
+---
+--- Example:
+--- > f = FileSystem.Open( "USER", "my_file.txt", "w" )
+--- > f:write( "file contents" )
+--- > f:close()
+--- 
+---@param root string       A FileSystemRoot constant. Can be either "DATA" or "USER"
+---@param filename string   The name of the file to open, relative to the root
+---@param mode string|nil   The mode to open the file in, defaults to read only
+---@return file             A lua io file
+function FileSystem.Open( root, filename, mode )
+    if not mode then mode = "r" end
+
+    return io.open( filename, mode, root )
+end
+
+return FileSystem