{"adoption": {"forks": 373, "observed_at": "2026-08-28T04:07:43.441222+00:00", "stars": 3098}, "canonical_url": "https://ross.abutalabs.com/products/es6-shim", "card": {"archived": false, "artifact_type": "library", "description": "ECMAScript 6 compatibility shims for legacy JS engines", "domain": ["web-development", "developer-tools", "programming-languages"], "enriched": true, "function": ["developer-tools"], "health_score": 67, "homepage": "http://paulmillr.com", "language": "JavaScript", "license": "MIT", "license_family": "permissive", "maturity": "maintenance", "member_repos": ["paulmillr/es6-shim"], "name": "paulmillr/es6-shim", "platform": ["browser", "cross-platform"], "pushed_at": "2026-04-16T04:37:38+00:00", "repo": "paulmillr/es6-shim", "stars": 3098, "tags": ["es6", "shim", "polyfill", "ecmascript", "javascript", "compatibility", "nodejs"], "topics": ["ecmascript", "ecmascript6", "es6", "shim"], "urls": [], "use_cases": ["run ES6 code in legacy browsers", "polyfill Promise Map and Set in old engines", "support String.prototype.startsWith and endsWith in IE", "make old Node.js versions behave like ES6", "add ES6 methods to legacy JavaScript runtime"], "what_it_is": "A JavaScript library providing ECMAScript 6 (Harmony) compatibility shims for legacy JS engines, polyfilling features like Map, Set, Promise, and new String/RegExp methods. It lets code written against ES6 run in older browsers and Node.js environments.", "when_to_avoid": ["your target environments already support ES6 natively", "you only need one or two features - standalone per-method shims are lighter", "you want modern transpilation via Babel instead of runtime shims"], "when_to_choose": ["you must support legacy browsers or JS engines lacking ES6 features", "you need spec-compliant polyfills for Map, Set, Promise, and string methods"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/es6-shim", "repo": "paulmillr/es6-shim", "role": "main", "score": 57}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:07:43.441222+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:46:22.393072+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "c9a14499b736edcd993b04f0410e6102178cf44ca3648854401b82694c8e8e61", "fetched_at": "2026-08-28T04:07:43.441222+00:00", "kind": "readme", "missing": false, "url": "https://github.com/paulmillr/es6-shim"}, {"content_hash": "65a1cbcce56d5b4e8c2e8e84060f5cb42ab5fc75c7e6fe8088b5ffa6176c2170", "fetched_at": "2026-08-29T09:42:36.396942+00:00", "kind": "homepage", "missing": false, "url": "http://paulmillr.com"}, {"content_hash": "ef93a06a123851a61020de39cf7b3afc6a25ea76f628ed815dbcf67bc9be4230", "fetched_at": "2026-08-29T09:42:36.399369+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/es6-shim"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 77, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 5366, "days_push": 139, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 57, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}