diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 00000000..b0c35e79
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,8 @@
+LICENSE.md
+dist
+pnpm-lock.yaml
+flake.lock
+vercel.json
+cache
+temp
+.temp
diff --git a/.prettierrc.yaml b/.prettierrc.yaml
new file mode 100644
index 00000000..cf12abe5
--- /dev/null
+++ b/.prettierrc.yaml
@@ -0,0 +1,5 @@
+# https://prettier.io/docs/en/options
+semi: false
+singleQuote: false
+printWidth: 80
+trailingComma: es5
diff --git a/flake.lock b/flake.lock
index 6dda0e54..b8d829cd 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1356,11 +1356,11 @@
         "nixpkgs-stable": "nixpkgs-stable_5"
       },
       "locked": {
-        "lastModified": 1707297608,
-        "narHash": "sha256-ADjo/5VySGlvtCW3qR+vdFF4xM9kJFlRDqcC9ZGI8EA=",
+        "lastModified": 1708018599,
+        "narHash": "sha256-M+Ng6+SePmA8g06CmUZWi1AjG2tFBX9WCXElBHEKnyM=",
         "owner": "cachix",
         "repo": "pre-commit-hooks.nix",
-        "rev": "0db2e67ee49910adfa13010e7f012149660af7f0",
+        "rev": "5df5a70ad7575f6601d91f0efec95dd9bc619431",
         "type": "github"
       },
       "original": {
diff --git a/outputs/default.nix b/outputs/default.nix
index 43a592cf..79037de4 100644
--- a/outputs/default.nix
+++ b/outputs/default.nix
@@ -8,7 +8,7 @@
   mylib = import ../lib {inherit lib;};
   myvars = import ../vars {inherit lib;};
 
-  # Add my custom lib, vars, nixpkgs instance, and all the inputs to sepcialArgs,
+  # Add my custom lib, vars, nixpkgs instance, and all the inputs to specialArgs,
   # so that I can use them in all my nixos/home-manager/darwin modules.
   genSpecialArgs = system:
     inputs
@@ -96,12 +96,20 @@ in {
         src = mylib.relativeToRoot ".";
         hooks = {
           alejandra.enable = true; # formatter
+          typos.enable = true; # Source code spell checker
+          prettier.enable = true;
           # deadnix.enable = true; # detect unused variable bindings in `*.nix`
           # statix.enable = true; # lints and suggestions for Nix code(auto suggestions)
-          # prettier = {
-          #   enable = true;
-          #   excludes = [".js" ".md" ".ts"];
-          # };
+        };
+        settings = {
+          typos = {
+            write = true; # Automatically fix typos
+            ignored-words = [];
+          };
+          prettier = {
+            write = true; # Automatically format files
+            configPath = "./.prettierrc.yaml";
+          };
         };
       };
     }
@@ -118,6 +126,14 @@ in {
           bashInteractive
           # fix `cc` replaced by clang, which causes nvim-treesitter compilation error
           gcc
+          # Nix-related
+          alejandra
+          deadnix
+          statix
+          # spell checker
+          typos
+          # code formatter
+          nodePackages.prettier
         ];
         name = "dots";
         shellHook = ''