snapshot of https://github.com/tldraw/tldraw.git (main, 2026-09-23; blobs > 131072B omitted)

apps/dotcom/client/vitest.config.ts

@@ -0,0 +1,36 @@
+import { resolve } from 'path'
+import react from '@vitejs/plugin-react'
+import { configDefaults, defineConfig } from 'vitest/config'
+
+export default defineConfig({
+	// vite 8 / vitest 4 transform with oxc and ignore the deprecated `esbuild.jsx`
+	// option, and this app's tsconfig uses `jsx: preserve` for its real build. Use
+	// the react plugin so JSX in `.tsx` files is transformed for tests.
+	plugins: [react()],
+	test: {
+		fsModuleCache: true,
+		pool: 'threads',
+		environment: 'jsdom',
+		setupFiles: ['./setupTests.js'],
+		globals: true,
+		testTimeout: 30000,
+		include: ['**/*.{test,spec}.{js,ts,jsx,tsx}'],
+		// Extend the defaults rather than replace them: dropping `**/node_modules/**` runs the tests
+		// of every workspace package linked into this app's node_modules (pnpm's linker does that).
+		exclude: [...configDefaults.exclude, '**/e2e/**'],
+	},
+	resolve: {
+		alias: {
+			'\\.(css|less)$': 'identity-obj-proxy',
+			// `tldraw/tldraw.css` is generated by packages/tldraw's prebuild/predev and gitignored, so
+			// it is absent unless something has built that package — and the checks job runs the unit
+			// tests without doing so. Any test importing a module that pulls in the SDK stylesheet
+			// would fail to resolve it. Pointed at one of the sources that file is concatenated from:
+			// vitest does not process CSS, so only the resolution matters.
+			'tldraw/tldraw.css': resolve(__dirname, '../../../packages/tldraw/src/lib/ui.css'),
+		},
+	},
+	ssr: {
+		noExternal: ['@tiptap/react'],
+	},
+})