Solution

.github/workflows/test.yml-template

@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test

package.json

@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.3",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",

src/arrayMethodSort.js

@@ -4,8 +4,40 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
+  [].__proto__.sort2 = function (compareFunction) {
     // write code here
+    const count = this.length;
+
+    if (typeof compareFunction !== 'function') {
+      // eslint-disable-next-line no-param-reassign
+      compareFunction = (a, b) => {
+        const stringA = String(a);
+        const stringB = String(b);
+
+        if (stringA > stringB) {
+          return 1;
+        }
+
+        if (stringA < stringB) {
+          return -1;
+        }
+
+        return 0;
+      };
+    }
+
+    for (let i = 0; i < count; i++) {
+      for (let j = 0; j < count - 1; j++) {
+        if (compareFunction(this[j], this[j + 1]) > 0) {
+          const temp = this[j];
+
+          this[j] = this[j + 1];
+          this[j + 1] = temp;
+        }
+      }
+    }
+
+    return this;
   };
 }