replace CRA with vite and refactor as needed.

Author: JFU-NAVA-PBC

README.md

@@ -24,18 +24,28 @@ Running the Back-end & Front-end
 ---------------
 
 Once Docker and Python are Installed then do the following:
-    
+
+```    
     cp server/sample-bluebutton-config.json server/.bluebutton-config.json
+```
 
 Make sure to replace the client_id and client_secret variables within the config file with
 the ones you were provided, for your application, when you created your Blue Button Sandbox account,
 the supported environments are SANDBOX or PRODUCTION.
 
+```
     docker-compose up -d
+```
 
 This single command will create the docker container with all the necessary packages, configuration, and code to 
 run both the front and back ends of this sample application.
 
+To run the front-end (client component listening on port 3000) in preview mode, set environment variable BB2_APP_LAUNCH=preview when launch docker-compose:
+
+```
+   BB2_APP_LAUNCH=preview docker-compose up -d
+```
+
 To see the application in action open your browser and enter the following URL:
 
 http://localhost:3000

client/.eslintrc

@@ -0,0 +1,5 @@
+{
+    "extends": [
+      "react-app"
+    ]
+  }

client/Dockerfile

@@ -1,4 +1,8 @@
-FROM node:20-slim
+FROM node:22
+
+ARG BB2-APP_LAUNCH
+
+ENV BB2_APP_LAUNCH=${BB2_APP_LAUNCH:-"start"}
 
 LABEL version="1.1"
 LABEL description="Demo of a Medicare claims data sample app"
@@ -13,7 +17,9 @@ RUN apt-get install python3 -y
 RUN apt-get install python3-pip -y
 
 RUN yarn install
+# comment build out if not going to use preview to save build time
+RUN yarn build
 
 EXPOSE 3000
 
-CMD ["yarn","start"]
+CMD ["sh", "-c", "yarn $BB2_APP_LAUNCH"]

client/README.md

@@ -1,6 +1,7 @@
-# Getting Started with Create React App
+# Getting Started with Vite
 
-This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+This project was created with build tool [Vite](https://v2.vitejs.dev/).
+Vite (French word for "quick", pronounced /vit/, like "veet") is a build tool that aims to provide a faster and leaner development experience for modern web projects.
 
 ## Available Scripts
 
@@ -14,11 +15,6 @@ Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
 The page will reload if you make edits.\
 You will also see any lint errors in the console.
 
-### `yarn test`
-
-Launches the test runner in the interactive watch mode.\
-See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
-
 ### `yarn build`
 
 Builds the app for production to the `build` folder.\
@@ -27,20 +23,20 @@ It correctly bundles React in production mode and optimizes the build for the be
 The build is minified and the filenames include the hashes.\
 Your app is ready to be deployed!
 
-See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+### `yarn preview`
 
-### `yarn eject`
+Locally preview the production build. Do not use this as a production server as it's not designed for it.
 
-**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
+## Learn More
 
-If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+You can learn more in the [Vite documentation: Getting Started](https://v2.vitejs.dev/guide/).
 
-Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+To learn React, check out the [React documentation](https://reactjs.org/).
 
-You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
+### `yarn test`
 
-## Learn More
+Run vitest based test (need spinning up the app to pass the tests)
 
-You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+### `yarn coverage`
 
-To learn React, check out the [React documentation](https://reactjs.org/).
+Run vitest based test with coverage (need spinning up the app to pass the tests)

client/eslint.config.mjs

@@ -0,0 +1,17 @@
+import { fixupConfigRules } from "@eslint/compat";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default [{
+    ignores: [],
+}, ...fixupConfigRules(compat.extends("react-app"))];

client/eslintrc.json

@@ -0,0 +1,25 @@
+{
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": [
+        "eslint:recommended",
+        "plugin:react/recommended",
+        "plugin:@typescript-eslint/recommended"
+    ],
+    "parser": "@typescript-eslint/parser",
+    "parserOptions": {
+        "ecmaFeatures": {
+            "jsx": true
+        },
+        "ecmaVersion": 12
+    },
+    "plugins": [
+        "react",
+        "@typescript-eslint"
+    ],
+    "rules": {
+        "@typescript-eslint/no-explicit-any": "off"
+    }
+}

client/index.html

@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Blue Button 2.0 Sample App"
+    />
+    <link rel="manifest" href="/manifest.json" />
+    <title>Medicare claims data sample app</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <script type="module" src="/src/index.tsx"></script>
+  </body>
+</html>

client/package.json

@@ -4,28 +4,30 @@
   "private": true,
   "proxy": "http://localhost:3001",
   "dependencies": {
-    "@cmsgov/design-system": "^2.7.3",
-    "@types/node": "^12.0.0",
-    "@types/react": "^17.0.0",
-    "@types/react-dom": "^17.0.0",
+    "@cmsgov/design-system": "^10.1.0",
+    "@types/node": "^22.0.0",
+    "@types/react": "^18.2.0",
+    "@types/react-dom": "^18.2.0",
+    "@vitejs/plugin-react-swc": "^3.7.2",
     "axios": "^1.7.4",
-    "http-proxy-middleware": "^1.3.1",
     "micromatch": "4.0.8",
+    "process": "^0.11.10",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^6.4.2",
-    "react-scripts": "5.0.1",
     "sass": "1.72.0",
     "typescript": "^4.8.4",
+    "vite-plugin-svgr": "^4.3.0",
+    "vite-tsconfig-paths": "^5.1.3",
     "web-vitals": "^3.0.3"
   },
   "scripts": {
-    "start": "REACT_APP_CTX=docker react-scripts start",
-    "start-native": "REACT_APP_CTX=native react-scripts start",
-    "lint": "eslint --ext .ts --ext .js --ext .tsx .",
-    "build": "react-scripts build",
-    "test": "react-scripts test",
-    "eject": "react-scripts eject"
+    "start": "vite dev --host",
+    "build": "vite build",
+    "preview": "vite preview",
+    "lint": "eslint --max-warnings=100 src",
+    "test": "TEST_APP_API_URL=http://localhost:3000 vitest",
+    "coverage": "TEST_APP_API_URL=http://localhost:3000 vitest run --coverage"
   },
   "eslintConfig": {
     "extends": [
@@ -46,15 +48,23 @@
     ]
   },
   "devDependencies": {
+    "@eslint/compat": "^1.2.3",
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
     "@types/jest": "^29.1.2",
     "@types/react-router-dom": "^5.3.3",
     "@typescript-eslint/eslint-plugin": "^5.12.0",
     "@typescript-eslint/parser": "^5.12.0",
-    "eslint-config-react-app": "^7.0.0",
-    "eslint-plugin-react": "^7.28.0"
+    "@vitest/coverage-v8": "2.1.6",
+    "eslint": "^9.16.0",
+    "eslint-config-react-app": "^7.0.1",
+    "eslint-plugin-react": "^7.28.0",
+    "jsdom": "^25.0.1",
+    "react-error-overlay": "6.0.9",
+    "vite": "^6.0.0",
+    "vite-plugin-eslint": "^1.8.1",
+    "vitest": "^2.1.6"
   },
   "resolutions": {
     "@types/react": "^17.0.2"

client/public/index.html

@@ -1,9 +1,11 @@
 import React from 'react';
+import { test } from 'vitest';
 import { render, screen } from '@testing-library/react';
+
 import App from './App';
 
-test('renders learn react link', () => {
+test('renders sample app landing page', () => {
   render(<App />);
-  const linkElement = screen.getByText(/learn react/i);
+  const linkElement = screen.getByText(/patient information/i);
   expect(linkElement).toBeInTheDocument();
 });