| 30 | } |
| 31 | |
| 32 | export async function preOptimizeDevServer(opts: { |
| 33 | baseURL: string |
| 34 | readyTestId?: string |
| 35 | warmup?: (page: Page) => Promise<void> |
| 36 | }) { |
| 37 | const browser = await chromium.launch() |
| 38 | const context = await browser.newContext() |
| 39 | const page = await context.newPage() |
| 40 | |
| 41 | try { |
| 42 | await page.goto(`${opts.baseURL}/`, { waitUntil: 'domcontentloaded' }) |
| 43 | |
| 44 | if (opts.readyTestId) { |
| 45 | await page.getByTestId(opts.readyTestId).waitFor({ state: 'visible' }) |
| 46 | } |
| 47 | |
| 48 | await page.waitForLoadState('networkidle') |
| 49 | |
| 50 | await opts.warmup?.(page) |
| 51 | |
| 52 | for (let i = 0; i < 40; i++) { |
| 53 | const currentUrl = page.url() |
| 54 | await page.waitForTimeout(250) |
| 55 | |
| 56 | if (page.url() === currentUrl) { |
| 57 | await page.waitForTimeout(250) |
| 58 | if (page.url() === currentUrl) { |
| 59 | return |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | throw new Error('Dev server did not reach a stable URL after warmup') |
| 65 | } finally { |
| 66 | await context.close() |
| 67 | await browser.close() |
| 68 | } |
| 69 | } |