Glasgow | 26-ITP-May | Sandani Kannangara | Sprint 3 | Add decrement button

dom-merge-conflict/tasks/buttons-and-counter/src/app.js

@@ -1,31 +1,35 @@
+import { Header } from "./header.js";
+import { Main } from "./main.js";
+
 //increments the number in a node's text
 function increment(node) {
   let current = node.textContent;
   node.textContent = Number(current) + 1;
 }
+function decrement(node) {
+  let current = node.textContent;
+  node.textContent = Number(current) - 1;
+}
 
 export function App() {
   const body = document.createElement("body");
 
-  const header = document.createElement("header");
-  header.innerHTML = `
-        <h1>Number Counter</h1>
-        <p>A simple counter. Press increment to increase the count by one.</p>
-    `;
+  const header = Header();
+  const main = Main();
   body.appendChild(header);
-
-  const main = document.createElement("main");
-  main.innerHTML = `
-        <p id="counter" data-testid="counter">0</p>
-        <button id="increment">Increment</button>
-    `;
   body.appendChild(main);
 
-  const button = body.querySelector("#increment");
+  const buttonIncrement = body.querySelector("#increment");
+  const buttonDecrement = body.querySelector("#decrement");
   const counter = body.querySelector("#counter");
-  button.addEventListener("click", () => {
+
+  buttonIncrement.addEventListener("click", () => {
     increment(counter);
   });
 
+  buttonDecrement.addEventListener("click", () => {
+    decrement(counter);
+  });
+
   return body;
 }

dom-merge-conflict/tasks/buttons-and-counter/src/header.js

@@ -0,0 +1,8 @@
+export function Header() {
+  const header = document.createElement("header");
+  header.innerHTML = `
+        <h1>Number Counter</h1>
+        <p>A simple counter. Press increment to increase the count or decrement to decrease the count.</p>
+    `;
+  return header;
+}

dom-merge-conflict/tasks/buttons-and-counter/src/main.js

@@ -0,0 +1,9 @@
+export function Main() {
+  const main = document.createElement("main");
+  main.innerHTML = `
+        <p id="counter" data-testid="counter">0</p>
+        <button id="increment">Increment</button>
+        <button id="decrement">Decrement</button>
+    `;
+  return main;
+}

dom-merge-conflict/tasks/buttons-and-counter/test/app.test.js

@@ -17,7 +17,7 @@ describe("button and counter", () => {
 
   test("contains description paragraph with mention of 'increment' in header", () => {
     expect(
-      container.querySelector("header").querySelector("p")
+      container.querySelector("header").querySelector("p"),
     ).toHaveTextContent(/increment/i);
   });
 
@@ -35,7 +35,7 @@ describe("button and counter", () => {
     expect(getByTestId(container, "counter")).toHaveTextContent(/^2$/);
   });
 
-  describe.skip("decrement button", () => {
+  describe("decrement button", () => {
     test("pressing Decrement decreases the counter", () => {
       const button = getByRole(container, "button", {
         name: "Decrement",
@@ -49,7 +49,7 @@ describe("button and counter", () => {
 
     test("contains description paragraph with mention of 'decrement' in header", () => {
       expect(
-        container.querySelector("header").querySelector("p")
+        container.querySelector("header").querySelector("p"),
       ).toHaveTextContent(/decrement/i);
     });
   });