Replace AVA with Vitest (#4)

.github/workflows/ci.yml

@@ -33,8 +33,8 @@ jobs:
         run: npm ci || npm install
       - name: build
         run: npm run build --if-present
-      - name: AVA
-        run: npx ava
+      - name: Vitest
+        run: npx vitest
 
   Build:
     runs-on: ubuntu-latest

index.test.ts

@@ -0,0 +1,82 @@
+import {setTimeout} from 'node:timers/promises';
+import {assert, test} from 'vitest';
+import {JSDOM} from 'jsdom';
+import oneMutation from './index.js';
+
+const jsdom = new JSDOM('');
+globalThis.document = jsdom.window.document;
+globalThis.Text = jsdom.window.Text;
+globalThis.MutationObserver = jsdom.window.MutationObserver;
+
+const t = {
+	is: assert.equal,
+	like: assert.containSubset,
+	deepEqual: assert.deepEqual,
+};
+
+function onlyTextNotesMutations(mutations: MutationRecord[]) {
+	for (const {addedNodes} of mutations) {
+		for (const node of addedNodes) {
+			if (node.nodeType === node.TEXT_NODE) {
+				return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+test('should observe one mutation', async () => {
+	const observer = oneMutation(document.body, {
+		childList: true,
+	});
+	document.body.append('Text');
+	const records = await observer;
+	t.is(records.length, 1);
+	t.like(records[0], {
+		target: document.body,
+		type: 'childList',
+		addedNodes: [
+			new Text(),
+		],
+	});
+});
+
+test('should filter unwanted mutations', async () => {
+	const observer = oneMutation(document.body, {
+		filter: onlyTextNotesMutations,
+		childList: true,
+	});
+	document.body.append(document.createElement('div'));
+	await setTimeout(10);
+	document.body.append('Text');
+	const records = await observer;
+	t.is(records.length, 1);
+	t.like(records[0], {
+		target: document.body,
+		type: 'childList',
+		addedNodes: [
+			new Text(),
+		],
+	});
+});
+
+test('should only listen to the specified mutations', async () => {
+	const observer = oneMutation(document.body, {
+		attributes: true,
+	});
+	document.body.append(document.createElement('div'));
+	document.body.dataset.sawadee = 'ครับ';
+
+	const emptyNodeListFixture = document
+		.createElement('div')
+		.querySelectorAll('a');
+	const records = await observer;
+	t.is(records.length, 1);
+	t.like(records[0], {
+		target: document.body,
+		type: 'attributes',
+		attributeName: 'data-sawadee',
+		addedNodes: emptyNodeListFixture,
+	});
+});

package.json

@@ -30,10 +30,10 @@
 	"scripts": {
 		"build": "tsc",
 		"prepack": "tsc --sourceMap false",
-		"test": "tsc && xo && ava",
+		"test": "tsc && xo && vitest run",
 		"watch": "run-p --silent watch:*",
 		"watch:build": "tsc --watch",
-		"watch:test": "ava --watch"
+		"watch:test": "vitest"
 	},
 	"xo": {
 		"envs": [
@@ -47,11 +47,11 @@
 	},
 	"devDependencies": {
 		"@sindresorhus/tsconfig": "^5.0.0",
-		"ava": "^6.1.2",
-		"delay": "^6.0.0",
+		"@types/jsdom": "^21.1.6",
 		"jsdom": "^24.0.0",
 		"npm-run-all": "^4.1.5",
 		"typescript": "^5.4.3",
+		"vitest": "^1.4.0",
 		"xo": "^0.58.0"
 	},
 	"engines": {