1{
 2  inputs = {
 3    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
 4    flake-parts = {
 5      url = "github:hercules-ci/flake-parts";
 6      inputs.nixpkgs-lib.follows = "nixpkgs";
 7    };
 8    devshell = {
 9      url = "github:numtide/devshell";
10      inputs.nixpkgs.follows = "nixpkgs";
11    };
12    treefmt-nix = {
13      url = "github:numtide/treefmt-nix";
14      inputs.nixpkgs.follows = "nixpkgs";
15    };
16    flake-compat.url = "github:NixOS/flake-compat";
17  };
18
19  outputs = inputs:
20    inputs.flake-parts.lib.mkFlake {inherit inputs;} {
21      imports = [
22        inputs.devshell.flakeModule
23        inputs.treefmt-nix.flakeModule
24      ];
25
26      systems = [
27        "x86_64-linux"
28        "aarch64-linux"
29        "x86_64-darwin"
30        "aarch64-darwin"
31      ];
32
33      perSystem = {pkgs, ...}: {
34        devshells.default = {
35          motd = "";
36          packages = with pkgs; [
37            # Dependencies
38            nodejs_26 # For `Temporal`
39
40            # Dev Tools
41            typescript-language-server
42            astro-language-server
43            vscode-css-languageserver
44            vscode-json-languageserver
45            biome
46            tinymist # Typst LSP
47          ];
48
49          env = [
50            {
51              # For Sharp in Deno
52              name = "LD_LIBRARY_PATH";
53              prefix = "${pkgs.stdenv.cc.cc.lib}/lib";
54            }
55          ];
56        };
57
58        treefmt = {
59          programs.alejandra.enable = true;
60          programs.biome = {
61            enable = true;
62            includes = [
63              "*.js"
64              "*.ts"
65              "*.mjs"
66              "*.mts"
67              "*.jsx"
68              "*.tsx"
69              "*.d.ts"
70              "*.json"
71              "*.jsonc"
72              "*.css"
73              "*.scss" # Biome will land SCSS support in 2.6
74              "*.astro"
75            ];
76            validate.enable = false;
77            settings =
78              builtins.fromJSON (builtins.readFile ./biome.json)
79              // {
80                vcs.enabled = false; # Nix flake already has VCS integration
81              };
82          };
83          programs.typstyle = {
84            enable = true;
85            lineWidth = 80;
86          };
87        };
88      };
89    };
90}