playwright.config.ts

/**
 * Playwright configuration for E2E tests (#363).
 *
 * Scoped to `tests/e2e/` so vitest can keep owning the rest of
 * `tests/`. Spins `next dev` automatically; `reuseExistingServer`
 * keeps local iteration fast while CI gets a fresh boot.
 */
import { defineConfig, devices } from "@playwright/test";

export default defineConfig({
  testDir: "./tests/e2e",
  fullyParallel: true,
  forbidOnly: !!process.env.CI,
  retries: process.env.CI ? 2 : 0,
  workers: process.env.CI ? 1 : undefined,
  reporter: process.env.CI ? "github" : "html",
  use: {
    baseURL: process.env.E2E_BASE_URL ?? "http://localhost:3000",
    trace: "on-first-retry",
    screenshot: "only-on-failure",
  },
  projects: [
    {
      name: "chromium",
      use: { ...devices["Desktop Chrome"] },
    },
  ],
  // Don't auto-start a server when E2E_BASE_URL is provided — the CI
  // job points the suite at a pre-built preview.
  webServer: process.env.E2E_BASE_URL
    ? undefined
    : {
        command: "npm run dev",
        url: "http://localhost:3000",
        reuseExistingServer: !process.env.CI,
        timeout: 120 * 1000,
      },
});