support nix users

.envrc

@@ -1,20 +1,25 @@
-# Check if nvm is installed, install if not
-if [ ! -d "$NVM_DIR" ] || [ ! -s "$NVM_DIR/nvm.sh" ]; then
-  echo "nvm is not installed. Installing nvm..."
-
-	# Install nvm
-	curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
-fi
+# if using nixos, run `use flake`
+if has nix; then
+	use flake
+else 
+	# Check if nvm is installed, install if not
+	if [ ! -d "$NVM_DIR" ] || [ ! -s "$NVM_DIR/nvm.sh" ]; then
+		echo "nvm is not installed. Installing nvm..."
+
+		# Install nvm
+		curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+	fi
 
-# ensure nvm is in the path
-export NVM_DIR="$HOME/.nvm"
-export PATH="$NVM_DIR:$PATH"
+	# ensure nvm is in the path
+	export NVM_DIR="$HOME/.nvm"
+	export PATH="$NVM_DIR:$PATH"
 
-# load nvm
-\. $NVM_DIR/nvm.sh
+	# load nvm
+	\. $NVM_DIR/nvm.sh
 
-# install node version from .nvmrc
-nvm install
+	# install node version from .nvmrc
+	nvm install
+fi
 
 # enable pnpm in corepack
 corepack enable pnpm

flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "ngrok docs";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+        node-toolchain = with pkgs; [
+          nodejs
+          nodePackages.pnpm
+        ];
+      in
+      {
+        devShell = pkgs.mkShell {
+          shellHook = ''
+            export PATH="$PATH:$(git rev-parse --show-toplevel)/node_modules/.bin"
+          '';
+          buildInputs = with pkgs; [
+            node-toolchain
+          ];
+        };
+      });
+}