Add bun development flake

Author: Noot-tooN

README.md

@@ -29,6 +29,7 @@ Once your preferred template has been initialized, you can use the provided shel
 
 | Language/framework/tool  | Template                      |
 | :----------------------- | :---------------------------- |
+| [Bun]                    | [`bun`](./bun/)               |
 | [C]/[C++]                | [`c-cpp`](./c-cpp/)           |
 | [Clojure]                | [`clojure`](./clojure/)       |
 | [C#][csharp]             | [`csharp`](./csharp/)         |
@@ -65,6 +66,10 @@ Once your preferred template has been initialized, you can use the provided shel
 
 The sections below list what each template includes. In all cases, you're free to add and remove packages as you see fit; the templates are just boilerplate.
 
+### [`bun`](./bun/)
+
+- [bun] 1.1.8
+
 ### [`c-cpp`](./c-cpp/)
 
 - [clang-tools] 17.0.6
@@ -283,6 +288,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 
 [boot]: https://www.boot-clj.com
 [buf]: https://github.com/bufbuild/buf
+[bun]: https://bun.sh/
 [C]: https://www.open-std.org/jtc1/sc22/wg14
 [C++]: https://isocpp.org
 [cabal]: https://www.haskell.org/cabal

bun/.envrc

@@ -0,0 +1 @@
+use flake

bun/flake.lock

@@ -0,0 +1,25 @@
+{
+  description = "A Nix-flake-based Bun development environment";
+
+  inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
+
+  outputs = { self, nixpkgs }:
+    let
+      overlays = [
+        (final: prev: rec {
+          bun = prev.bun;
+        })
+      ];
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin" ];
+      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
+        pkgs = import nixpkgs { inherit overlays system; };
+      });
+    in
+    {
+      devShells = forEachSupportedSystem ({ pkgs }: {
+        default = pkgs.mkShell {
+          packages = with pkgs; [ bun ];
+        };
+      });
+    };
+}