切换vitest-browser

vitest-example/HelloWorld.test.ts

@@ -0,0 +1,11 @@
+import { expect, test } from 'vitest'
+import { getByText } from '@testing-library/dom'
+import HelloWorld from './HelloWorld.js'
+
+test('renders name', () => {
+  const parent = HelloWorld({ name: 'Vitest' })
+  document.body.appendChild(parent)
+
+  const element = getByText(parent, 'Hello Vitest!')
+  expect(element).toBeInTheDocument()
+})

vitest-example/HelloWorld.ts

@@ -0,0 +1,9 @@
+export default function HelloWorld({ name }: { name: string }): HTMLDivElement {
+  const parent = document.createElement('div')
+
+  const h1 = document.createElement('h1')
+  h1.textContent = 'Hello ' + name + '!'
+  parent.appendChild(h1)
+
+  return parent
+}