Add testing for primitives, objects and tools

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: Build and test
+on:
+    push:
+        branches: [main]
+    pull_request:
+        types: [opened, reopened, synchronize]
+
+jobs:
+    test:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+            - name: Use Node.js
+              uses: actions/setup-node@v4
+              with:
+                  node-version: "20.x"
+                  cache: "npm"
+            - name: Install dependencies
+              run: npm install
+            - name: Run tests
+              run: npm test

.gitignore

@@ -0,0 +1 @@
+node_modules/

jest.config.js

@@ -0,0 +1,4 @@
+export default {
+  transform: {},
+  testEnvironment: "jsdom",
+};

js/objects.js

@@ -128,29 +128,21 @@ export class InfoBox {
   }
 
   isHere(mouseX, mouseY) {
-    if (
+    return (
       mouseX > this.x &&
       mouseX < this.x + this.width &&
       mouseY > this.y &&
       mouseY < this.y + this.height
-    ) {
-      return true;
-    }
-
-    return false;
+    );
   }
 
   isVisible(x, y, width, height) {
-    if (
+    return (
       x + width > this.x &&
       x < this.x + this.width &&
       y + height > this.y &&
       y < this.y + this.height
-    ) {
-      return true;
-    }
-
-    return false;
+    );
   }
 }
 
@@ -245,15 +237,11 @@ export class Link {
     console.log("boxHeight: ", this.boxHeight);
     */
 
-    if (
+    return (
       x + width > boxX &&
       x < boxX + boxWidth &&
       y + height > boxY &&
       y < boxY + boxHeight
-    ) {
-      return true;
-    }
-
-    return false;
+    );
   }
 }