Refactor code and add utils module folder and files to clean up the c…

…ode base.

.prettierrc

@@ -1,3 +1,3 @@
 {
   "singleQuote": true
-}
+}

numbers/app.js

@@ -0,0 +1,9 @@
+/* eslint-disable import/extensions */
+import getElement from './utils/getElement.js';
+import updateCount from './utils/updateCount.js';
+
+const numbers = [...getElement('.number')];
+
+numbers.forEach((number) => {
+  updateCount(number);
+});

numbers/utils/getElement.js

@@ -0,0 +1,13 @@
+/* eslint-disable comma-dangle */
+const getElement = (selection) => {
+  const element = document.querySelectorAll(selection);
+
+  if (element) {
+    return element;
+  }
+  throw new Error(
+    `Please verify selected ("${selection}"), no such element exist!`
+  );
+};
+
+export default getElement;

numbers/utils/updateCount.js

@@ -0,0 +1,18 @@
+const updateCount = (el) => {
+  const value = +el.dataset.value;
+  const increment = Math.ceil(value / 1000);
+  let initialValue = 0;
+
+  const increaseCount = setInterval(() => {
+    initialValue += increment;
+
+    if (initialValue > value) {
+      el.textContent = `${value}+`;
+      clearInterval(increaseCount);
+      return;
+    }
+    el.textContent = `${initialValue}+`;
+  }, 1);
+};
+
+export default updateCount;