update

Author: zhiyuanliang-ms

examples/express-app/README.md

@@ -8,13 +8,14 @@ The examples are compatible with [LTS versions of Node.js](https://github.com/no
 
 ## Setup & Run
 
-1. Build:
+1. Go to `src/feature-management` under the root folder and run:
 
     ```bash
+    npm run install
     npm run build
     ```
 
-1. Install the dependencies using `npm`:
+1. Go back to `examples/express-app` and install the dependencies using `npm`:
 
     ```bash
     npm install
@@ -40,7 +41,9 @@ The targeting mechanism uses the `exampleTargetingContextAccessor` to extract th
 const exampleTargetingContextAccessor = {
     getTargetingContext: () => {
         const req = requestAccessor.getStore();
+        // read user and groups from request query data
         const { userId, groups } = req.query;
+        // return aa ITargetingContext with the appropriate user info
         return { userId: userId, groups: groups ? groups.split(",") : [] };
     }
 };

examples/express-app/package.json

@@ -1,7 +1,6 @@
 {
     "scripts": {
-        "start": "node server.mjs",
-        "build": "cd ../../src/feature-management && npm i && npm run build && cd ../../examples/express-app && npm i"
+        "start": "node server.mjs"
     },
     "dependencies": {
         "@microsoft/feature-management": "../../src/feature-management",

examples/express-app/server.mjs

@@ -15,7 +15,9 @@ const requestAccessor = new AsyncLocalStorage();
 const exampleTargetingContextAccessor = {
     getTargetingContext: () => {
         const req = requestAccessor.getStore();
+        // read user and groups from request query data
         const { userId, groups } = req.query;
+        // return an ITargetingContext with the appropriate user info
         return { userId: userId, groups: groups ? groups.split(",") : [] };
     }
 };