lib/strings/default.nix

# SPDX-FileCopyrightText: 2024 Clicks Codes
#
# SPDX-License-Identifier: GPL-3.0-only

{ lib, inputs, ... }:
{
  strings = {
    getCommonPrefix =
      a: b:
      let
        prefixLength = lib.strings.commonPrefixLength a b;
      in
      builtins.substring 0 prefixLength a;

    endsWith = suffix: str: let
      suffixLength = builtins.stringLength suffix;
      strLength = builtins.stringLength str;

      suffixStart = strLength - suffixLength;

      maybeSuffix = builtins.substring suffixStart strLength str;
    in suffixStart >= 0 && maybeSuffix == suffix;
  };
}