McAuley Penney 889dc71f20 refactor: use default settings in place of conditionals
- instead of checking for the existence of
      an option whenever that option may be
      accessed, initialize default settings and
      merge them with user-provided settings.

    - instead of looping through all excluded
      filetypes and comparing them to the current
      filetype, create a set from excluded
      filetypes and check if the current filetype
      is present.
2022-07-15 13:22:41 -07:00
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