Add all modules exercises

node/exercises/modules-cjs/assets/drums/index.js

+const drumset = require("./assets/drumset");

node/exercises/modules-cjs/assets/drumset/bass/index.js

+const bass = {
+    name: 'Bass',
+    play: () => {
+        return 'buff'
+    }
+}
+
+module.exports = bass;
\ No newline at end of file

node/exercises/modules-cjs/assets/drumset/index.js

+exports.snare = require('./snare');
+exports.bass = require('./bass');
\ No newline at end of file

node/exercises/modules-cjs/assets/drumset/snare/index.js

+const snare = {
+    name: 'Snare',
+    play: () => {
+        return 'klack'
+    }
+}
+module.exports = snare;

node/exercises/modules-cjs/assets/hello.js

+module.exports = function hello() {
+    return 'hello world';
+};

node/exercises/modules-cjs/assets/string.js

+function firstChar(str) {
+    return str.charAt(0);
+}
+
+function lastChar(str) {
+    return str.charAt(str.length-1);
+}
+
+function length(str) {
+    return str.length;
+}
+
+module.exports = {
+    firstChar,
+    lastChar,
+    length
+};
\ No newline at end of file

node/exercises/modules-esm/export/counter.mjs

@@ -4,3 +4,9 @@
 * - Define a named export 'counter' and initialize it with 0.
 * - Define a named function export countUp() which counts up the counter.
 */
+let counter = 0;
+function countUp() {
+    return counter++;
+}
+
+export {counter, countUp };
\ No newline at end of file

node/exercises/modules-esm/export/drumset.mjs

@@ -5,7 +5,7 @@
 * - Export an instance (singleton) of the class as default export
 */
 
-class Drumset {
+export class Drumset {
     snare() {
         return "klack";
     }
@@ -13,3 +13,5 @@ class Drumset {
         return "badumm";
     }
 }
+
+export default new Drumset();
\ No newline at end of file

node/exercises/modules-esm/export/helloWorld.mjs

+
 /**
 * ⚠️☝️ INSTRUCTIONS ☝️⚠️
 *
 * - Export a helloWorld function as default export
-*/
\ No newline at end of file
+*/
+function helloWorld() {
+    return 'helloWorld';
+};
+export default helloWorld;
\ No newline at end of file

node/exercises/modules-esm/main.mjs

@@ -17,8 +17,14 @@
 // import * as something from "...";
 
 // ⛳️ Implement a function that calls countUp() and returns the current counter.
-export function countUpAndReturnCounter() {
 
+import helloWorld from "./export/helloWorld";
+import { countUp, counter as currentCounter } from "./export/counter"
+import drumsetSingleton, * as drumset from './export/drumset'
+
+export function countUpAndReturnCounter() {
+    countUp();
+    return currentCounter;
 }
 
 // ⚠️ NOTE ⚠️:

node/exercises/modules-interop/exercise1.mjs

 // 📝 Import "./cjs-modules/module1.cjs" and make the console logs work.
 //    Write your code below this comment!
 
-
+import myModule from "./cjs-modules/module1.cjs"
 
 // ⛔ Do not edit the console logs
 console.log(myModule.a);

node/exercises/modules-interop/exercise2.mjs

 // 📝 Import "./cjs-modules/module2.cjs" and make the console logs work.
 //    Write your code below this comment!
 
-
+import {a, b} from "./cjs-modules/module2.cjs"
 
 // ⛔ Do not edit the console logs
 console.log(a);

node/exercises/modules-interop/exercise3.mjs

 // 📝 Import "./cjs-modules/module1.cjs" and make the console logs work.
 //    Write your code below this comment!
 
-
+import all from "./cjs-modules/module1.cjs";
+const {a, b} = all;
 
 // ⛔ Do not edit the console logs
 console.log(a);

node/exercises/modules-interop/exercise4.mjs

 // 📝 Import "./cjs-modules/module1.cjs" and make the console logs work.
 //    Write your code below this comment!
 
-
+import * as myModule from "./cjs-modules/module1.cjs";
+//const {a, b} = myModule;
 
 // ⛔ Do not edit the console logs
 console.log(myModule.default.a);