{ "stdout": "", "stderr": "\n/tests/fixtures/antipatterns/motion.html\n [bounce-easing] animation: bounce-keyframe\n → Bounce and elastic easing feel dated and tacky. Real objects decelerate smoothly — use exponential easing (ease-out-quart/quint/expo) instead.\n [bounce-easing] cubic-bezier(0.68, -0.55, 0.265, 1.55)\n → Bounce and elastic easing feel dated and tacky. Real objects decelerate smoothly — use exponential easing (ease-out-quart/quint/expo) instead.\n [layout-transition] transition: width\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [layout-transition] transition: height\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [layout-transition] transition: padding\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [layout-transition] transition: margin\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [layout-transition] transition: max-height\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [layout-transition] transition: width, height\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [layout-transition] transition: width\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [layout-transition] transition: width\n → Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\n [flat-type-hierarchy] Sizes: 11px, 12px, 13px, 14px, 16px (ratio 1.5:1)\n → Font sizes are too close together — no clear visual hierarchy. Use fewer sizes with more contrast (aim for at least a 1.25 ratio between steps).\n\n11 anti-patterns found.\n", "exit": 2, "signal": null, "files": {} }