feat: jsdoc type generation

angular-app/angular.json

@@ -1,5 +1,8 @@
 {
   "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "cli": {
+    "analytics": false
+  },
   "version": 1,
   "newProjectRoot": "projects",
   "projects": {

angular-app/package.json

@@ -4,13 +4,15 @@
   "scripts": {
     "postinstall": "cd ../backend/ && npm install",
     "ng": "ng",
+    "prestart": "warp project select && cd ../backend/ && npm run ts-build",
+    "start:ts-watch": "cd ../backend/ && npm run ts-watch",
     "start:client": "ng serve",
     "start:server": "warp dev ../backend/",
     "start": "run-p start:*",
+    "ts-build": "cd ../backend/ && npm run ts-build",
     "build:client": "ng build",
     "build:server": "warp build ../backend/",
     "build": "run-s build:server build:client",
-    "predeploy": "warp project select",
     "deploy": "warp deploy ./ ../backend/",
     "test": "ng test",
     "lint": "ng lint",
@@ -26,7 +28,7 @@
     "@angular/platform-browser": "~11.2.11",
     "@angular/platform-browser-dynamic": "~11.2.11",
     "@angular/router": "~11.2.11",
-    "@warpjs/engine": "^4.0.9",
+    "@warpjs/engine": "^4.0.11",
     "rxjs": "~6.6.0",
     "tslib": "^2.3.0",
     "zone.js": "~0.11.3"
@@ -51,6 +53,6 @@
     "ts-node": "~8.3.0",
     "tslint": "~6.1.0",
     "typescript": "~4.1.5",
-    "warp": "^4.0.9"
+    "warp": "^4.0.11"
   }
 }

angular-app/src/app/app.component.ts

@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core';
-
 import Backend from 'backend';
-const { hello, fetchMovies } = new Backend() as any;
+
+const backend = new Backend();
 
 @Component({
   selector: 'app-root',
@@ -14,13 +14,13 @@ export class AppComponent implements OnInit {
   movies = {};
 
   ngOnInit() {
-    hello().then((msg: string) => {
+    backend.hello().then((msg: string) => {
       this.message = msg;
     });
 
     // fetchMovies from mongodb
-    fetchMovies('Star Trek').then(
-      (data: any) => (this.movies = JSON.stringify(data, null, 2))
-    );
+    backend.fetchMovies('Star Trek').then((data) => {
+      this.movies = JSON.stringify(data, null, 2);
+    });
   }
 }

backend/.gitignore

@@ -2,6 +2,7 @@
 
 # dependencies
 node_modules/
+dist/
 .warp
 
 

backend/package.json

@@ -1,9 +1,16 @@
 {
   "name": "backend",
   "version": "1.0.0",
-  "main": "index.js",
+  "main": "src/index.js",
   "license": "MIT",
+  "scripts": {
+    "ts-watch": "tsc --watch",
+    "ts-build": "tsc"
+  },
   "dependencies": {
     "mongodb": "^3.6.6"
+  },
+  "devDependencies": {
+    "typescript": "^4.3.5"
   }
 }

backend/index.js → backend/src/index.js

@@ -1,5 +1,9 @@
-const { fetchMovies } = require('./src/mongodb');
+const { fetchMovies } = require("./mongodb");
 
+/**
+ *
+ * @returns {Promise<string>} return a hello from your backend module
+ */
 const hello = () => {
   return `Hello from ScaleDynamics Platform, MongoDB, Angular and Node.js ${process.version} !`;
 };

backend/src/mongodb.js

@@ -1,24 +1,38 @@
-const { MongoClient } = require('mongodb');
+const { MongoClient } = require("mongodb");
+
+/**
+ * A movie
+ * @typedef {Object} Movie
+ * @property {string} title - Title of the movie
+ * @property {string} year - Year of release of the movie
+ * @property {string} plot - Plot of the movie
+ * @property {string} poster - Link to the poster of the movie
+ */
 
 // connection URI
-const URI = 'mongodb+srv://test:test@movies-scqxj.gcp.mongodb.net/';
+const URI = "mongodb+srv://test:test@movies-scqxj.gcp.mongodb.net/";
 
 // create & connect a new MongoDB client
 const connection = MongoClient(URI, {
   useNewUrlParser: true,
   useUnifiedTopology: true,
 }).connect();
 
+/**
+ *
+ * @param {string} search the name of the movies you seek
+ * @returns {Promise<Movie[]>} return an array of movies
+ */
 const fetchMovies = async (search) => {
   // await database connection
   const client = await connection.catch((error) => {
     throw new Error(`Database connection failed (${error.message})`);
   });
   // request database
   return client
-    .db('sample_mflix')
-    .collection('movies')
-    .find({ poster: { $exists: true }, title: { $regex: search, $options: 'i' } })
+    .db("sample_mflix")
+    .collection("movies")
+    .find({ poster: { $exists: true }, title: { $regex: search, $options: "i" } })
     .project({ _id: 0, title: 1, year: 1, plot: 1, poster: 1 })
     .sort({ year: -1 })
     .limit(50)

backend/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "strict": true,
+    "allowJs": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "outDir": "dist",
+    "moduleResolution": "node"
+  },
+  "include": ["src/**/*.js"]
+}

backend/warp.config.js

@@ -1,7 +1,11 @@
 module.exports = {
   output: {
-    format: 'node-module',
-    projectPath: '../angular-app',
-    name: 'backend',
+    format: "node-module",
+    projectPath: "../angular-app",
+    name: "backend",
+  },
+  expose: {
+    source: "src/index.js",
+    type: "dist/index.d.ts",
   },
 };