refactor: split up lib in multiple folders

lib/default.nix

@@ -2,12 +2,22 @@
   perSystem,
   inputs,
 }: let
-  inherit (inputs.nixpkgs.lib) concatStringsSep stringToCharacters substring tail toUpper;
+  flake = import ./flake inputs;
+  strings = import ./strings inputs.nixpkgs.lib;
 
-  mkVersion = src: "0.0.0+" + src.shortRev;
-  capitalise = str: (toUpper (substring 0 1 str) + (concatStringsSep "" (tail (stringToCharacters str))));
+  lib = flake // strings;
 in
-  {inherit mkVersion capitalise;}
-  // (import ./flake-lib.nix inputs)
-  // perSystem (pkgs:
-    import ./pkgs.nix {inherit pkgs mkVersion capitalise inputs;})
+  # Expose main attrs
+  lib
+  # Expose all funcs
+  // strings
+  // flake
+  # Expose funcs that require pkgs
+  // perSystem (
+    pkgs:
+      (import ./pkgs {
+        inherit pkgs;
+        inherit (inputs) self;
+      })
+      // lib
+  )

lib/flake/default.nix

@@ -40,7 +40,7 @@ inputs: rec {
         [
           (allowModularOverrides {inherit system cudaSupport;})
           {home-manager.extraSpecialArgs = specialArgs;}
-          ../common
+          ../../common
         ]
         ++ extraModules;
     };
@@ -86,7 +86,7 @@ inputs: rec {
 
           {home-manager = {inherit extraSpecialArgs;};}
 
-          ../common/nix-on-droid.nix
+          ../../common/nix-on-droid.nix
         ]
         ++ extraModules;
     };

lib/pkgs/default.nix

@@ -1,9 +1,11 @@
 {
-  capitalise,
-  mkVersion,
   pkgs,
-  inputs,
-}: {
+  self,
+}: let
+  inherit (builtins) readFile fromJSON;
+  inherit (self.lib) capitalise mkVersion;
+  inherit (pkgs.lib) concatMapStrings elemAt length map optionalString splitString toLower;
+in {
   buildPlugin = pname: src:
     pkgs.vimUtils.buildVimPlugin {
       inherit pname src;
@@ -11,11 +13,9 @@
     };
 
   buildNodeModules = dir: npmDepsHash: let
-    pkg = pkgs.callPackage ({buildNpmPackage, ...}: let
-      inherit (builtins) readFile fromJSON;
+    packageJSON = fromJSON (readFile (dir + /package.json));
 
-      packageJSON = fromJSON (readFile (dir + /package.json));
-    in
+    pkg = pkgs.callPackage ({buildNpmPackage, ...}:
       buildNpmPackage {
         pname = packageJSON.name;
         inherit (packageJSON) version;
@@ -32,8 +32,6 @@
     packages,
     pname,
   }: let
-    inherit (pkgs.lib) concatMapStrings elemAt length map optionalString splitString toLower;
-
     withGirNames =
       map (package: {
         inherit package;
@@ -51,7 +49,7 @@
     "${configPath}${optionalString (length packages == 1) "/${toLower (elemAt withGirNames 0).girName}"}".source =
       pkgs.callPackage
       ./mk-types {
-        inherit (inputs) ts-for-gir-src;
+        inherit (self.inputs) ts-for-gir-src;
         inherit pname withGirNames;
       };
   };

lib/strings/default.nix

@@ -0,0 +1,11 @@
+{
+  concatStringsSep,
+  stringToCharacters,
+  substring,
+  tail,
+  toUpper,
+  ...
+}: {
+  mkVersion = src: "0.0.0+" + src.shortRev;
+  capitalise = str: (toUpper (substring 0 1 str) + (concatStringsSep "" (tail (stringToCharacters str))));
+}