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feat(lib): add domain manipulation functions

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This commit is contained in:
Mohammad Rafiq 2025-06-13 03:31:08 +08:00
parent 1912666242
commit 83e7043eb5
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1 changed files with 22 additions and 1 deletions
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23
lib/default.nix
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@ -1,5 +1,20 @@
{ lib, ... }:
{
let
inherit (lib) singleton;
inherit (lib.strings) splitString;
inherit (builtins) length concatStringsSep tail;
in
rec {
# Helpers
splitDomain = domain: splitString "." domain;
shortenList =
count: list:
let
len = length list;
in
if len <= count then list else (shortenList count (tail list));
# Modules
mkStrOption = lib.mkOption {
type = lib.types.str;
default = "";
@ -16,4 +31,10 @@
type = lib.types.path;
default = path;
};
# Domains
isRootDomain = domain: length (splitDomain domain) <= 2;
mkRootDomain = domain: concatStringsSep "." (shortenList 2 (splitDomain domain));
mkWildcardDomain = rootDomain: concatStringsSep "." ((singleton "*") ++ (splitDomain rootDomain));
mkHost = domain: if isRootDomain domain then domain else mkWildcardDomain (mkRootDomain domain);
}