Add NodeJS-less formatting script

.jsbeautifyrc

@@ -0,0 +1,19 @@
+{
+  "indent_size": "2",
+  "indent_char": " ",
+  "max_preserve_newlines": "5",
+  "preserve_newlines": true,
+  "keep_array_indentation": false,
+  "break_chained_methods": false,
+  "indent_scripts": "normal",
+  "brace_style": "collapse",
+  "space_before_conditional": true,
+  "unescape_strings": false,
+  "jslint_happy": false,
+  "end_with_newline": true,
+  "wrap_line_length": "0",
+  "indent_inner_html": true,
+  "comma_first": false,
+  "e4x": false,
+  "indent_empty_lines": false
+}

format.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+# Ensure path is passed in
+if [ -z "$1" ]; then
+  echo "No argument supplied, please enter the filepath of the xpra-html5 project"
+
+  exit 1
+fi
+
+# Ensure path passed in is a folder
+if [ ! -d "$1" ]; then
+  echo "$1 either does not exist or is not a folder, please enter the filepath of the xpra-html5 project"
+
+  exit 1
+fi
+
+# Check if nix is installed, if it isn't, use the determinate nix installer
+if command -v nix 2>&1 >/dev/null; then
+  echo "Nix is installed, formatting..."
+else
+  echo "Nix is not installed, using Determinate Nix Installer..."
+
+  curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | \
+    sh -s -- install
+
+  echo "Nix has been installed, formatting..."
+fi
+
+nix-shell $1/shell.nix --run "
+  js-beautify --config $1/.jsbeautifyrc --type js -r $1/html5/js/*.js;
+  js-beautify --config $1/.jsbeautifyrc --type html -r $1/html5/*.html;
+  js-beautify --config $1/.jsbeautifyrc --type css -r $1/html5/css/*.css; 
+"

shell.nix

@@ -1,4 +1,6 @@
-with (import <nixpkgs> {});
-mkShell {
-  buildInputs = [ nodejs-18_x ];
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-24.05";
+  pkgs = import nixpkgs { };
+in pkgs.mkShell {
+  buildInputs = with pkgs; [ nodePackages.js-beautify ];
 }