{"adoption": {"forks": 112, "observed_at": "2026-08-28T04:03:49.769296+00:00", "stars": 1163}, "canonical_url": "https://ross.abutalabs.com/products/scroll-timeline", "card": {"archived": false, "artifact_type": "library", "description": "A polyfill of ScrollTimeline.", "domain": ["web-development", "frontend"], "enriched": true, "function": ["animation", "ui-components"], "health_score": 20, "homepage": null, "language": "JavaScript", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["flackr/scroll-timeline"], "name": "flackr/scroll-timeline", "platform": ["browser"], "pushed_at": "2024-08-26T15:21:30+00:00", "repo": "flackr/scroll-timeline", "stars": 1163, "tags": ["polyfill", "scroll-driven-animations", "scroll-timeline", "view-timeline", "web-animations-api", "css", "web-server"], "topics": [], "urls": [], "use_cases": ["add parallax scrolling effects to a website", "animate elements as the user scrolls down the page", "use scroll-timeline CSS animations in browsers without native support", "create scroll-driven progress bars or reveal animations", "polyfill view-timeline for cross-browser scroll animations"], "what_it_is": "A JavaScript polyfill implementing the ScrollTimeline and ViewTimeline APIs from the CSS scroll-driven animations spec. It lets developers create scroll-linked animations in browsers that lack native support, via both the Web Animations API and CSS animation-timeline properties.", "when_to_avoid": ["your target browsers natively support scroll-driven animations", "you need non-scroll-based animation timelines", "your CSS is loaded cross-origin, which the polyfill cannot process"], "when_to_choose": ["you need scroll-driven animations working in browsers without native ScrollTimeline support", "you want to write scroll animations using standard spec syntax today", "you need both JS API and CSS animation-timeline polyfilling"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/scroll-timeline", "repo": "flackr/scroll-timeline", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:03:49.769296+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T06:31:33.943703+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "1b8e8111d2fc504e3c1200e3e1ba09ffe07a58b1576c1aa85b5a1ce54fabe0a8", "fetched_at": "2026-08-28T04:03:49.769296+00:00", "kind": "readme", "missing": false, "url": "https://github.com/flackr/scroll-timeline"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2560, "days_push": 737, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}