chore(bun): use Bun as runner

Author: lundgren2

.github/workflows/main.yml

@@ -4,8 +4,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Install modules
-        run: yarn
-      - name: Run tests
-        run: yarn test
+      - uses: actions/checkout@v3
+      - uses: oven-sh/setup-bun@v1
+      - run: bun install
+      - run: bun run test

README.md

@@ -0,0 +1,15 @@
+# advent-of-code
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.js
+```
+
+This project was created using `bun init` in bun v1.0.2. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

babel.config.js

@@ -4,26 +4,12 @@
   "main": "index.js",
   "license": "MIT",
   "scripts": {
-    "test": "jest"
+    "test": "bun test",
+    "lint": "eslint"
   },
   "devDependencies": {
-    "@babel/core": "^7.12.10",
-    "@babel/preset-env": "^7.12.10",
-    "@babel/preset-typescript": "^7.12.7",
-    "@types/chai": "^4.2.14",
-    "@types/jest": "^26.0.19",
-    "@types/mocha": "^8.2.0",
-    "@types/node": "^14.14.12",
-    "@typescript-eslint/eslint-plugin": "^4.9.1",
-    "@typescript-eslint/parser": "^4.9.1",
-    "babel-jest": "^26.6.3",
-    "eslint": "^7.15.0",
-    "jest": "^26.6.3",
-    "mocha": "^8.2.1",
-    "ts-node": "^9.1.1",
-    "typescript": "^4.1.3"
-  },
-  "jest": {
-    "verbose": true
+    "@typescript-eslint/eslint-plugin": "^6.13.2",
+    "@typescript-eslint/parser": "^6.13.2",
+    "bun-types": "^1.0.15"
   }
 }

bun.lockb

@@ -1,3 +1,4 @@
+import {expect, describe, beforeAll, it} from 'bun:test';
 import {readInput} from '../../utils';
 
 import {part1} from './part1';

package.json

@@ -0,0 +1 @@
+test

src/2021/day00/test.spec.ts

@@ -0,0 +1,3 @@
+export function part1(input: string): string {
+  return 'test';
+}

src/2023/day00/input.txt

@@ -0,0 +1,10 @@
+import {part1} from './part1';
+import input from './input.txt';
+
+describe('Advent of Code 2023 - Day x', () => {
+  describe('part 1', () => {
+    test('should output test', () => {
+      expect(part1(input)).toBe('test');
+    });
+  });
+});

src/2023/day00/part1.ts

@@ -1,5 +1,3 @@
-import {promises} from 'fs';
-
-export const readInput = async (file: string) => {
-  return await promises.readFile(file).then((res) => String(res));
-};
+export async function readInput(file: string): Promise<string> {
+  return Bun.file(file).text();
+}