nix-community.nixvim/lib/utils.nix

{ lib, _nixvimTests }:
with lib;
{
  listToUnkeyedAttrs =
    list:
    builtins.listToAttrs (lib.lists.imap0 (idx: lib.nameValuePair "__unkeyed-${toString idx}") list);

  enableExceptInTests = !_nixvimTests;

  emptyTable = {
    "__empty" = null;
  };

  /*
       Convert a string from camelCase to snake_case
    Type: string -> string
  */
  toSnakeCase =
    let
      splitByWords = builtins.split "([A-Z])";
      processWord = s: if isString s then s else "_" + toLower (elemAt s 0);
    in
    string:
    let
      words = splitByWords string;
    in
    concatStrings (map processWord words);

  mkIfNonNull' = x: y: (mkIf (x != null) y);

  mkIfNonNull = x: (mkIfNonNull' x x);

  ifNonNull' = x: y: if (x == null) then null else y;

  mkRaw = r: if (isString r && (r != "")) then { __raw = r; } else null;

  wrapDo = string: ''
    do
      ${string}
    end
  '';
}