public code v1

core/Express.js

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+const express = require("express");
+const bodyParser = require('body-parser');
+
+class Express {
+  #app;
+  #name;
+  #port;
+
+  constructor(port, name = "Service") {
+    this.#app = express();
+    this.#app.use(bodyParser.json());
+    this.#app.use(bodyParser.urlencoded({ extended: true }));
+    this.#name = name;
+    this.#port = port;
+  }
+
+  get app() {
+    return this.#app;
+  }
+
+  get = (path, f) => this.#app.get(path, f);
+  post = (path, f) => this.#app.post(path, f);
+  put = (path, f) => this.#app.put(path, f);
+  delete = (path, f) => this.#app.delete(path, f);
+
+  run = () => {
+    this.#app.listen(this.#port, () =>
+        console.log(`${this.#name} listening on port ${this.#port}`)
+    );
+  }
+}
+
+module.exports.Express = Express;

core/httpClient.js

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+const axios = require("axios");
+
+function promiseGetRequest(url) {
+    return new Promise((resolve, reject) => {
+            console.log(url)
+            axios.get(url)
+                .then(res => {
+                    resolve(res.data);
+                })
+                .catch(err => {
+                    reject(err);
+                });
+        }
+    )
+}
+
+function promisePostRequest(url, body) {
+    return new Promise((resolve, reject) => {
+            axios.post(url, body)
+                .then(res => {
+                    resolve(res.data);
+                })
+                .catch(err => {
+                    reject(err);
+                });
+        }
+    )
+}
+
+function promisePutRequest(url, body) {
+    return new Promise((resolve, reject) => {
+            axios.put(url, body)
+                .then(res => {
+                    resolve(res.data);
+                })
+                .catch(err => {
+                    reject(err);
+                });
+        }
+    )
+}
+
+function promiseDeleteRequest(url, body) {
+    return new Promise((resolve, reject) => {
+            axios.delete(url, { data: body })
+                .then(res => {
+                    resolve(res.data);
+                })
+                .catch(err => {
+                    reject(err);
+                });
+        }
+    )
+}
+
+module.exports = {promiseGetRequest, promisePostRequest, promiseDeleteRequest}

core/package.json

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+{
+  "name": "core",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.20.1",
+    "express": "^4.18.2"
+  }
+}