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

.prettierignore

@@ -0,0 +1,2 @@
+/node_modules
+/dist

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "tabWidth": 2,
+  "useTabs": false,
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "printWidth": 80
+}

src/splitInteger.js

@@ -1,23 +1,44 @@
+// 'use strict';
+
+// /**
+//  * @param {number} value
+//  * @param {number} numberOfParts
+//  *
+//  * @returns {number[]}
+//  */
+// function splitInteger(value, numberOfParts) {
+//   const parts = [];
+//   let rest = value;
+
+//   for (let partsLeft = numberOfParts; partsLeft > 0; partsLeft--) {
+//     const part = Math.floor(rest / partsLeft);
+
+//     parts.push(part);
+//     rest -= part;
+//   }
+
+//   return parts;
+// }
+
+// module.exports = splitInteger;
+
 'use strict';
 
-/**
- * @param {number} value
- * @param {number} numberOfParts
- *
- * @returns {number[]}
- */
 function splitInteger(value, numberOfParts) {
-  const parts = [];
-  let rest = value;
+  const base = Math.floor(value / numberOfParts);
+  const remainder = value % numberOfParts;
+  const result = Array(numberOfParts).fill(base);
 
-  for (let partsLeft = numberOfParts; partsLeft > 0; partsLeft--) {
-    const part = Math.floor(rest / partsLeft);
+  for (let i = 0; i < remainder; i++) {
+    result[numberOfParts - 1 - i] += 1;
+  }
 
-    parts.push(part);
-    rest -= part;
+  // If value < numberOfParts, fill with zeros and ones
+  if (value < numberOfParts) {
+    return Array(numberOfParts - value).fill(0).concat(Array(value).fill(1));
   }
 
-  return parts;
+  return result;
 }
 
 module.exports = splitInteger;

src/splitInteger.test.js

@@ -4,18 +4,18 @@ const splitInteger = require('./splitInteger');
 
 test(`should split a number into equal parts
   if a value is divisible by a numberOfParts`, () => {
-
+  expect(splitInteger(8, 2)).toEqual([4, 4]);
 });
 
 test(`should return a part equals to a value
   when splitting into 1 part`, () => {
-
+  expect(splitInteger(8, 1)).toEqual([8]);
 });
 
 test('should sort parts ascending if they are not equal', () => {
-
+  expect(splitInteger(7, 2)).toEqual([3, 4]);
 });
 
 test('should add zeros if value < numberOfParts', () => {
-
+  expect(splitInteger(3, 4)).toEqual([0, 1, 1, 1]);
 });