feat: initial release v0.3.0

tests/unit/helpers/api-fetch.test.ts

@@ -0,0 +1,58 @@
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { apiFetch } from '@/lib/api-fetch'
+
+describe('apiFetch locale header injection', () => {
+  const originalFetch = globalThis.fetch
+
+  afterEach(() => {
+    globalThis.fetch = originalFetch
+    vi.unstubAllGlobals()
+    vi.clearAllMocks()
+  })
+
+  it('injects Accept-Language for internal /api requests', async () => {
+    const fetchMock = vi.fn<typeof fetch>().mockResolvedValue(new Response(null, { status: 204 }))
+    globalThis.fetch = fetchMock
+
+    await apiFetch('/api/tasks?status=running', { method: 'GET' })
+
+    const init = fetchMock.mock.calls[0]?.[1]
+    const headers = new Headers(init?.headers)
+    expect(headers.get('Accept-Language')).toBe('zh')
+  })
+
+  it('uses pathname locale and does not override explicit Accept-Language', async () => {
+    vi.stubGlobal('window', {
+      location: {
+        pathname: '/en/workspace',
+      },
+    })
+
+    const fetchMock = vi.fn<typeof fetch>().mockResolvedValue(new Response(null, { status: 204 }))
+    globalThis.fetch = fetchMock
+
+    await apiFetch('/api/projects', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Accept-Language': 'ja',
+      },
+      body: JSON.stringify({ ok: true }),
+    })
+
+    const init = fetchMock.mock.calls[0]?.[1]
+    const headers = new Headers(init?.headers)
+    expect(headers.get('Accept-Language')).toBe('ja')
+  })
+
+  it('does not inject locale header for non-internal URLs', async () => {
+    const fetchMock = vi.fn<typeof fetch>().mockResolvedValue(new Response(null, { status: 204 }))
+    globalThis.fetch = fetchMock
+
+    await apiFetch('https://example.com/health', { method: 'GET' })
+
+    const init = fetchMock.mock.calls[0]?.[1]
+    const headers = new Headers(init?.headers)
+    expect(headers.has('Accept-Language')).toBe(false)
+  })
+})