Test running overhaul, switch to Prettier & reformat everything

.github/workflows/Ci.yml

@@ -15,20 +15,15 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           cache: npm
 
       - name: 📦 Install dependencies
         run: npm ci
 
       - name: 🧪 Run all tests
-        if: ${{ github.event_name == 'push' }}
         run: npm run test
 
-      - name: 🧪 Run tests for changed files only
-        if: ${{ github.event_name == 'pull_request' }}
-        run: npm run test-changed
-
       - name: 💄 Code style
         run: npm run style
 

.github/workflows/UpdateDirectory.mjs → .github/workflows/UpdateDirectory.js

@@ -63,7 +63,7 @@ globby([
   "!**/test/**/*",
   '!**/*.test.js',
   '!**/*.manual-test.js',
-  '!babel.config.js'
+  '!vitest.config.ts'
 ])
   // create markdown content
   .then(pathsToMarkdown)

.github/workflows/UpdateDirectory.yml

@@ -11,16 +11,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           cache: npm
 
       - name: 📦 Install dependencies
         run: npm ci
 
       - name: 🗄️ Create Directory from JS files
-        run: node .github/workflows/UpdateDirectory.mjs
+        run: node .github/workflows/UpdateDirectory.js
 
       - name: Configure Github Action
         run: |

.husky/pre-commit

@@ -2,4 +2,4 @@
 . "$(dirname "$0")/_/husky.sh"
 
 npm run style
-npm run test-changed
+npm run test

.prettierignore

@@ -0,0 +1,2 @@
+.github
+DIRECTORY.md

.prettierrc

@@ -1,9 +1,9 @@
 {
   "arrowParens": "always",
   "bracketSpacing": true,
-  "endOfLine": "lf",
+  "endOfLine": "auto",
   "insertPragma": false,
-  "printWidth": 80,
+  "printWidth": 120,
   "proseWrap": "preserve",
   "quoteProps": "as-needed",
   "requirePragma": false,

CONTRIBUTING.md

@@ -94,8 +94,8 @@ Be confident that your code works. When was the last time you committed a code c
 your app stopped working? Mine was last week. Writing tests for our Algorithms will help us ensure the implementations
 are airtight even after multiple fixes and code changes.
 
-We use [Jest](https://jestjs.io/) to run unit tests on our algorithms. It provides a very readable and expressive way to
-structure your test code.
+We use [Vitest](https://vitest.dev/) to run unit tests on our algorithms. It provides a very readable and expressive
+way to structure your test code.
 
 It is advised that the algorithm file (module) does not contain any "live" code but rather just exports the function(s)
 needed to execute the algorithm. Your test code can import those function(s), call them with the appropriate parameters
@@ -122,16 +122,10 @@ If you want to save some time and just run a specific test:
 npm test -- koch
 ```
 
-You can also start Jest in "watch" mode:
+You can also start Vitest in "watch" mode:
 
 ```bash
-npm test -- --watchAll
-```
-
-We also prepared a helper script that runs tests only for changed files:
-
-```bash
-npm run test-changed
+npm test-watch
 ```
 
 This will run all tests and watch source and test files for changes. When a change is made, the tests will run again.

README.md

@@ -1,16 +1,17 @@
 # The Algorithms - JavaScript
 
 <!-- Front Matter -->
+
 JavaScript Repository of TheAlgorithms, which implements various algorithms and data structures in JavaScript.
 
 <div align="center">
 
-  [![JavaScript Banner][banner]](DIRECTORY.md)
+[![JavaScript Banner][banner]](DIRECTORY.md)
 
-  [![Checks][checks]][actions]
-  [![Contributions Welcome][welcome]](CONTRIBUTING.md)
-  [![standard.js][standard-logo]][standard-js]
-  [![Discord chat][chat]][discord-server]
+[![Checks][checks]][actions]
+[![Contributions Welcome][welcome]](CONTRIBUTING.md)
+[![standard.js][standard-logo]][standard-js]
+[![Discord chat][chat]][discord-server]
 
 </div>
 
@@ -39,15 +40,18 @@ many of the algorithms can be found in the [wiki][explanation].
 ---
 
 <!-- Banner Image -->
+
 [banner]: https://user-images.githubusercontent.com/68542775/167072911-dc31eac8-6885-4a05-9c25-279ecce22a79.png
 
 <!-- Badge Links -->
+
 [standard-logo]: https://img.shields.io/badge/code%20style-standardjs-%23f3df49
 [chat]: https://img.shields.io/discord/808045925556682782.svg?logo=discord&colorB=7289DA
 [welcome]: https://img.shields.io/static/v1.svg?label=Contributions&message=Welcome&color=0059b3
 [checks]: https://img.shields.io/github/actions/workflow/status/TheAlgorithms/JavaScript/Ci.yml?branch=master&label=checks
 
 <!-- External Links -->
+
 [standard-js]: https://standardjs.com/
 [discord-server]: https://the-algorithms.com/discord/
 [actions]: https://github.com/TheAlgorithms/JavaScript/actions