Move template to TypeScript (#26)

README.md

@@ -41,8 +41,8 @@ $ /opt/ccf_virtual/bin/sandbox.sh --js-app-bundle ./js/dist/
 In another terminal:
 
 ```bash
-$ curl -X POST https://127.0.0.1:8000/app/log?id=1 --cacert ./workspace/sandbox_common/service_cert.pem -H "Content-Type: application/json" --data '{"msg": "hello world"}'
-$ curl https://127.0.0.1:8000/app/log?id=1 --cacert ./workspace/sandbox_common/service_cert.pem
+$ curl -X POST "https://127.0.0.1:8000/app/log?id=1" --cacert ./workspace/sandbox_common/service_cert.pem -H "Content-Type: application/json" --data '{"msg": "hello world"}'
+$ curl "https://127.0.0.1:8000/app/log?id=1" --cacert ./workspace/sandbox_common/service_cert.pem
 hello world
 ```
 

js/package.json

@@ -15,7 +15,10 @@
   "devDependencies": {
     "@rollup/plugin-commonjs": "^17.1.0",
     "@rollup/plugin-node-resolve": "^11.2.0",
+    "@rollup/plugin-typescript": "^11.1.6",
     "del-cli": "^3.0.1",
-    "rollup": "^2.41.0"
+    "rollup": "^2.41.0",
+    "tslib": "^2.6.3",
+    "typescript": "^5.4.5"
   }
 }

js/rollup.config.js

@@ -1,13 +1,18 @@
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 import commonjs from "@rollup/plugin-commonjs";
+import typescript from "@rollup/plugin-typescript";
 
 export default {
-  input: "src/app.js",
+  input: "src/app.ts",
   output: {
     dir: "dist/src",
     format: "es",
     preserveModules: true,
     preserveModulesRoot: "src",
   },
-  plugins: [nodeResolve(), commonjs()],
+  plugins: [
+    nodeResolve(),
+    typescript({ compilerOptions: { noEmitOnError: true } }),
+    commonjs(),
+  ],
 };

js/src/app.ts

@@ -0,0 +1,41 @@
+import * as ccfapp from "@microsoft/ccf-app";
+
+function parse_request_query(request: ccfapp.Request): {
+  [key: string]: string;
+} {
+  const elements = request.query.split("&");
+  const obj = {};
+  for (const kv of elements) {
+    const [k, v] = kv.split("=");
+    obj[k] = v;
+  }
+  return obj;
+}
+
+const recordsMap = ccfapp.typedKv("records", ccfapp.string, ccfapp.string);
+
+export function write(request: ccfapp.Request): ccfapp.Response {
+  const parsedQuery = parse_request_query(request);
+  if (parsedQuery.id === undefined) {
+    return { body: { error: "Missing query parameter 'id'" } };
+  }
+  const params = request.body.json();
+
+  recordsMap.set(parsedQuery.id, params.msg);
+  return {};
+}
+
+export function read(request: ccfapp.Request): ccfapp.Response {
+  const parsedQuery = parse_request_query(request);
+  if (parsedQuery.id === undefined) {
+    return { body: { error: "Missing query parameter 'id'" } };
+  }
+
+  const msg = recordsMap.get(parsedQuery.id);
+  if (msg === undefined) {
+    return {
+      body: { error: `Cannot find record for id \"${parsedQuery.id}\".` },
+    };
+  }
+  return { body: msg };
+}

js/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "lib": ["ES2020"],
+    "target": "ES2020",
+    "module": "ES2020",
+    "moduleResolution": "node",
+    "allowSyntheticDefaultImports": true,
+    "noImplicitAny": false,
+    "removeComments": true,
+    "preserveConstEnums": true,
+    "sourceMap": false
+  },
+  "include": ["src/**/*"]
+}