Add ha-floorplan

overlays/ha-floorplan.nix

@@ -0,0 +1,4 @@
+final: prev:
+{
+  home-assistant-custom-lovelace-modules.ha-floorplan = prev.callPackage ../pkgs/ha-floorplan/package.nix;
+}

pkgs/ha-floorplan/package.nix

@@ -0,0 +1,38 @@
+{
+  lib,
+  buildNpmPackage,
+  fetchFromGitHub
+}:
+
+buildNpmPackage rec {
+  pname = "floorplan";
+  version = "1.0.44";
+
+  src = fetchFromGitHub {
+    owner = "ExperienceLovelace";
+    repo = "ha-floorplan";
+    rev = "refs/tags/${version}";
+    hash = "sha256-ajEA47H9nFXVcuvhwkDsxc5YYQWMsUXqHQ3t6tuAaxc=";
+  };
+
+  npmDepsHash = "sha256-/6H3XMraD7/usZBwmQaCDpV2n1Eed+U+G0f2YnjyWgk=";
+
+  installPhase = ''
+    runHook preInstall
+    mkdir $out
+    cp -R dist/* $out/
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Floorplan for Home Assistant";
+    longDescription = ''
+      Bring new life to Home Assistant. By mapping entities to a SVG-object,
+      you're able to control devices, show states, calling services - and much
+      more. Add custom styling on top, to visualize whatever you can think of.
+      Your imagination just became the new limit.
+    '';
+    homepage = "https://github.com/ExperienceLovelace/ha-floorplan";
+    license = lib.licenses.asl20;
+  };
+}