My Nix Configuration
[lib] make strings.nix and move string functions there
+36
-8
+3
-8
lib/default.nix
+3
-8
lib/default.nix
···
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{ lib, ... }:
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let
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data = import ./data;
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strings = import ./strings.nix { inherit lib; };
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in
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{
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flake = {
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lib = {
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caddy = import ./caddy.nix { inherit data lib; };
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inherit data;
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-
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toPascalCase =
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string:
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let
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head = lib.toUpper (builtins.substring 0 1 string);
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tail = builtins.substring 1 (-1) string;
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in
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head + tail;
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inherit strings;
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inherit (strings) toPascalCase toUpperSnakeCase;
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};
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};
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}
+33
lib/strings.nix
+33
lib/strings.nix
···
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{ lib, ... }:
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{
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toPascalCase =
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string:
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let
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head = lib.toUpper (builtins.substring 0 1 string);
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tail = builtins.substring 1 (-1) string;
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in
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head + tail;
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+
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# Taken from nixpkgs Vaultwarden module, licensed MIT
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# https://github.com/NixOS/nixpkgs/blob/6c9a78c09ff4d6c21d0319114873508a6ec01655/nixos/modules/services/security/vaultwarden/default.nix#L20
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toUpperSnakeCase =
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name:
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let
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parts = builtins.split "([A-Z0-9]+)" name;
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in
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lib.foldl' (
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key: x:
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let
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last = lib.stringLength key - 1;
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in
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if lib.isList x then
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key + lib.optionalString (key != "" && lib.substring last 1 key != "_") "_" + lib.head x
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else if key != "" && lib.elem (lib.substring 0 1 x) lib.lowerChars then # to handle e.g. [ "disable" [ "2FAR" ] "emember" ]
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lib.substring 0 last key
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+ lib.optionalString (lib.substring (last - 1) 1 key != "_") "_"
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+ lib.substring last 1 key
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+ lib.toUpper x
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else
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key + lib.toUpper x
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) "" parts;
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}