chore: update prompts to 1.0, renames to js-prompts to match other samples (#1796)

Author: i2amsam

samples/idx-template.json

@@ -16,7 +16,8 @@
       "options": {
         "js-character-generator": "Simple Character Generator",
         "js-coffee-shop": "Coffeeshop w Several types of Prompt",
-        "js-schoolAgent": "A Multi-Agent School Assistant"
+        "js-schoolAgent": "A Multi-Agent School Assistant",
+        "js-prompts": "A sample with various prompt styles"
       }
     }
   ]

samples/js-prompts/.idx/dev.nix

@@ -0,0 +1,43 @@
+## Default Nix Environment for Typescript + Gemini Examples
+## Requires the sample to be started with npx run genkit:dev
+
+# To learn more about how to use Nix to configure your environment
+# see: https://developers.google.com/idx/guides/customize-idx-env
+{ pkgs, ... }: {
+  # Which nixpkgs channel to use.
+  channel = "stable-24.05"; # or "unstable"
+  # Use https://search.nixos.org/packages to find packages
+  packages = [
+    pkgs.nodejs_20
+    pkgs.util-linux
+  ];
+  # Sets environment variables in the workspace
+  env = {
+    #TODO Get a API key from https://g.co/ai/idxGetGeminiKey 
+    GOOGLE_GENAI_API_KEY = ""; 
+  };
+  idx = {
+    # Search for the extensions you want on https://open-vsx.org/ and use "publisher.id"
+    extensions = [
+    ];
+
+    # Workspace lifecycle hooks
+    workspace = {
+      # Runs when a workspace is first created
+      onCreate = {
+        npm-install = "npm ci --no-audit --prefer-offline --no-progress --timing";
+        default.openFiles = [ "README.md" "src/index.ts" ];
+      };
+      # Runs when the workspace is (re)started
+      onStart = {
+        run-server = "if [ -z \"\${GOOGLE_GENAI_API_KEY}\" ]; then \
+          echo 'No Gemini API key detected, enter a Gemini API key from https://aistudio.google.com/app/apikey:' && \
+          read -s GOOGLE_GENAI_API_KEY && \
+          echo 'You can also set the key in .idx/dev.nix to automatically add to your workspace'
+          export GOOGLE_GENAI_API_KEY; \
+          fi && \
+          npm run genkit:dev";      
+      };
+    };
+  };
+}