{"adoption": {"forks": 196, "observed_at": "2026-08-28T04:05:54.908099+00:00", "stars": 1919}, "canonical_url": "https://ross.abutalabs.com/products/middleclass", "card": {"archived": false, "artifact_type": "library", "description": "Object-orientation for Lua", "domain": ["programming-languages", "developer-tools"], "enriched": true, "function": ["programming-language", "developer-tools"], "health_score": 50, "homepage": "https://github.com/kikito/middleclass", "language": "Lua", "license": "MIT", "license_family": "permissive", "maturity": "stable", "member_repos": ["kikito/middleclass"], "name": "kikito/middleclass", "platform": ["lua", "cross-platform"], "pushed_at": "2025-11-03T12:54:01+00:00", "repo": "kikito/middleclass", "stars": 1919, "tags": ["oop", "class-system", "inheritance", "mixins", "metamethods", "single-file-library", "game-development"], "topics": [], "urls": [], "use_cases": ["add classes and inheritance to lua code", "object-oriented programming in lua", "lua class library with mixins", "define classes with constructors in lua", "operator overloading via metamethods in lua", "oop for love2d or game scripting"], "what_it_is": "Middleclass is a lightweight object-orientation library for Lua providing classes, inheritance, metamethods, class variables, and mixin support in a single file. It is widely used in Lua game development and scripting.", "when_to_avoid": ["you need multiple inheritance or advanced type checking", "you are using Lua 5.4+ and prefer native or alternative OOP mechanisms", "your project requires a full-featured class system with strict typing"], "when_to_choose": ["you want a small, dependency-free, single-file OOP solution for Lua", "you need inheritance, class variables, and mixins with a simple API", "you are writing games or scripts in Lua and want familiar class semantics"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/middleclass", "repo": "kikito/middleclass", "role": "main", "score": 55}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:54.908099+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:09:58.529481+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "8a28b8002268e712359e32db91da9dad336cbdd743dbea05d689db9cfd43ec96", "fetched_at": "2026-08-28T04:05:54.908099+00:00", "kind": "readme", "missing": false, "url": "https://github.com/kikito/middleclass"}, {"content_hash": "712d9cd33a7790ced4ec92008f4a7246598c60fa19f3fc19fbbdd28a9eccea65", "fetched_at": "2026-08-29T10:49:14.770181+00:00", "kind": "homepage", "missing": false, "url": "https://github.com/kikito/middleclass"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 50, "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": 5978, "days_push": 303, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 55, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}