rename folders

node/shell.nix

@@ -0,0 +1,39 @@
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+  name = "node-environment";
+  buildInputs = with pkgs; [
+    nodejs
+  ];
+  shellHook = ''
+    function log_header {
+      echo -ne "==> \e[32m\e[1m$1\e[0m\n\n"
+    }
+    function log_subheader {
+      echo -ne "--> \e[33m\e[1m$1\e[0m\n\n"
+    }
+    function log {
+      echo -ne "    $1\n"
+    }
+    
+    echo ""
+    log_header "node_environment"
+    mkdir -p .npm/bin
+    export PATH=$PWD/.npm/bin:$PATH
+    log_subheader "upgrading npm"
+    npm install -g npm --prefix $PWD/.npm
+    echo ""
+    if [ -s global_packages.txt ]; then
+      log_subheader "found global_packages.txt, installing packages"
+      cat global_packages.txt | xargs npm install -g --prefix $PWD/.npm
+      echo ""
+    fi
+    if [ -s package.json ]; then
+      log_subheader "found package.json, running 'npm install'"
+      npm install
+      echo ""
+    fi
+    log_header "package versions"
+    log "node $(node --version)"
+    log "npm $(npm --version)"
+  '';
+}