Use vitest (#108)

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     name: Tests
     strategy:
       matrix:
-        node-version: [14.x, 16.x, 18.x]
+        node-version: [14.x, 16.x, 18.x, 19.x]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
@@ -35,7 +35,7 @@ jobs:
       - name: Run tests
         run: npm run tests-only
       - name: Submit coverage
-        if: matrix.node-version == '16.x'
+        if: matrix.node-version == '18.x'
         uses: coverallsapp/github-action@v1.1.2
         with:
           github-token: ${{secrets.GITHUB_TOKEN}}

package.json

@@ -23,18 +23,19 @@
   "scripts": {
     "prepare": "rollup -c",
     "lint": "eslint .",
-    "test": "npm run prepare && npm run tests-only && npm run lint",
-    "tests-only": "jest --testMatch '**/test/*.js' --coverage"
+    "test": "npm run tests-only && npm run lint",
+    "tests-only": "vitest run --coverage"
   },
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^5.3.0",
     "@typescript-eslint/parser": "^5.3.0",
+    "@vitest/coverage-c8": "^0.27.1",
     "eslint": "^8.2.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-plugin-import": "^2.22.0",
-    "jest": "^29.2.0",
-    "rollup": "^3.2.2",
-    "rollup-plugin-typescript2": "^0.34.0",
-    "typescript": "^4.0.2"
+    "rollup": "^3.8.1",
+    "rollup-plugin-typescript2": "^0.34.1",
+    "typescript": "^4.0.2",
+    "vitest": "^0.27.1"
   }
 }

test/index.js → src/index.test.js

@@ -1,5 +1,6 @@
-const assert = require('assert');
-const parseChatMarkup = require('..').default;
+import assert from 'assert';
+import { describe, it } from 'vitest';
+import parseChatMarkup from './index.ts';
 
 describe('parseChatMarkup', () => {
   const bareOptions = {};

src/index.ts

@@ -297,7 +297,7 @@ export default function parse(message: string, options: MarkupOptions = {}): Mar
         return { type: 'link', text: token.text, href: httpify(token.text) };
       case TokenType.Text:
         return token.text;
-      /* istanbul ignore next */
+      /* c8 ignore next 2 */
       default:
         throw new Error('unreachable');
     }

vite.config.ts

@@ -0,0 +1,7 @@
+export default {
+  test: {
+    coverage: {
+      reporter: ['text', 'lcov', 'html'],
+    },
+  },
+};