However, for many users, a transposed attribute set, <aspect>.<class>, can be more intuitive. It often feels more natural to nest classes within aspects rather than the other way around.

This project provides a small, dependency-free transpose primitive that is powerful enough to implement cross-aspect dependencies for any Nix configuration class. It also includes a flake-parts module that transforms flake.aspects into flake.modules.

flake.aspects

{
  vim-btw = {
    nixos = ...;
    darwin = ...;
    homeManager = ...;
    nixvim = ...;
  };
  tiling-desktop = {
    nixos = ...;
    darwin = ...;
  };
  macos-develop = {
    darwin = ...;
    hjem = ...;
  };
}

flake.modules

{
  nixos = {
    vim-btw = ...;
    tiling-desktop = ...;
  };
  darwin = {
    vim-btw = ...;
    tiling-desktop = ...;
    macos-develop = ...;
  };
  homeManager = {
    vim-btw = ...;
  };
  hjem = {
    macos-develop = ...;
  };
  nixvim = {
    vim-btw = ...;
  };
}

Unlike flake.modules.<class>.<aspect> which is flat, aspects form a tree via provides (alias: _) and a graph via includes.

Also works without flakes via new-scope and lib.evalModules.

Documentation#

Full documentation

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<aspect>.<class> Transposition for Dendritic Nix#

Documentation#

`<aspect>.<class>` Transposition for Dendritic Nix#