• Overhauled configuration
  • Renamed MappingConfiguration to Configuration
  • Removed old Configuration type
  • Changed the new Configuration to have mounts as a property
  • Renamed MountMapping to MountObject
  • Renamed mountMapping to mountObject
• Added port backends (since they are cross platform)
  • Fixed PortFile sync methods having a "Sync" postfix in error syscalls
  • Fixed PortFS not awaiting super.ready()
  • Fixed handleRequest not transmitting errors correctly
  • RPC.handleResponse no longer returns a value
• Added the Fetch backend (again, because it is cross-platform)
  • Fixed FetchFS.preloadFile check ordering
• Added Fetch backend to core
• Changes to errors
  • Renamed ApiError to ErrnoError
  • Renamed ApiErrorJSON to ErrnoErrorJSON
  • Renamed ErrorCode to Errno
  • The error JSON interface is now exported
  • Changed some errors to use ErrnoError instead of regular error classes
• Added the AbsolutePath type
• Streamlined path emulation and normalizePath
• Changed FileHandle constructor to also take Files
• Removed _readFile and _appendFile internal functions
• Inlined doOp for the promises API
• Added Symbol.dispose and Symbol.asyncDispose to File
• Upgraded eslint to support explicit resource management (ERM not added yet because it breaks tests)
• Added ESNext.Disposable TS lib