Registro públicoModerado
Informe de salud del softwareesquema 0.26.0 · métricas 1.13.0 · 2026-07-22 16:37 UTC
guybedford / es-module-lexer
Low-overhead lexer dedicated to ES module parsing for fast analysis
guybedford/es-module-lexer tiene un índice de salud de 63 sobre 100, lo que lo sitúa en la banda Moderado. Su puntuación más alta es Vitality (70/100) y la más baja, AI Readiness (30/100). Se actualizó por última vez hace 9 días. Una sola persona concentra la mayor parte del trabajo reciente.
63
global / 100Índice de salud del software
Las métricas se agrupan en categorías ponderadas sobre una escala de 1 a 100. El resultado global parte de su media; cuando la evidencia pública activa la Política de Jurisdicciones de Alto Riesgo, la calificación se ajusta y recibe el límite 49 (En riesgo). Preparación para IA queda fuera.
63
Excelente85-100Ejemplar; cumple prácticamente todos los criterios evaluados
Bueno70-84Saludable; carencias menores
Moderado50-69Aceptable con carencias notables; se recomienda revisión
En riesgo30-49Debilidades significativas; su adopción exige cautela
Crítico1-29Problemas graves (proyecto abandonado, un solo mantenedor, sin higiene)
Perfil de puntuación
Cada eje es una categoría. La forma importa más que la media: un proyecto sano llena toda la figura, mientras que un perfil de picos y cráteres indica que la fortaleza en una dimensión enmascara el riesgo en otra.
Titularidad
Guy BedfordCuenta personal
1954 seguidores376 repositorios públicosdesde feb 2011Cloudflare
Este repositorio pertenece a una cuenta personal. Un proyecto con un único propietario conlleva más riesgo de continuidad que uno respaldado por una organización.
Ecosistemas de paquetes
| Registro | Paquete | Versión | Descargas / mes | Versiones | Última publicación |
|---|---|---|---|---|---|
| npm | es-module-lexer | 2.3.1 | 479.313.413 | 75 | hace 10 días |
Métricas por categoría
Vitalidad
¿Está vivo el proyecto: se escribe código y se publican versiones?
70
Actividad de desarrollo
55Moderado
Cómo se puntúa
| 28.8/36 | Recencia de push — último push hace 9 días |
| 4.2/36 | Cadencia de commits — 6/52 semanas con commits |
| 12.4/18 | Volumen de commits — 23 commits en el último año |
| 10/10 | OpenSSF Scorecard: Maintained — 19 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10 |
Datos de entrada utilizados
| commits_last_year | 23 |
| human_commit_share | 1 |
| days_since_last_push | 9 |
| active_weeks_last_year | 6 |
Disciplina de publicación
92Excelente
Cómo se puntúa
| 27/27 | Publica versiones — 33 versiones publicadas |
| 36/36 | Recencia de las versiones — última versión hace 10 días |
| 19.8/27 | Cadencia de publicación — una versión cada ~89,5 días |
| 0/10 | OpenSSF Scorecard: Signed-Releases — sin datos |
Datos de entrada utilizados
| releases_count | 33 |
| latest_release_tag | 2.3.1 |
| releases_from_tags | no |
| days_since_latest_release | 10 |
| mean_days_between_releases | 89,5 |
Excluidos de la puntuación (sin datos o no aplicable): OpenSSF Scorecard: Signed-Releases. Los pesos restantes se han renormalizado.
Comunidad y Adopción
¿Tiene el proyecto usuarios, descargas, atención y unas condiciones acogedoras para quienes contribuyen?
69
Popularidad y adopción
67Moderado
Cómo se puntúa
| 48.9/60 | Estrellas — 1030 estrellas |
| 14.6/25 | Forks — 57 forks |
| 3.9/15 | Observadores — 6 observadores |
Datos de entrada utilizados
| forks | 57 |
| stars | 1030 |
| watchers | 6 |
| growth_state | unverified |
| growth_factor_pct | 100 |
| growth_unverified_reason | no_history |
Salud de la comunidad
50Moderado
Cómo se puntúa
| 22.5/22.5 | README |
| 22.5/22.5 | Licencia — licencia reconocida (MIT) |
| 0/18 | Guía CONTRIBUTING |
| 0/13.5 | Código de conducta |
| 0/7.2 | Plantilla de issues |
| 0/6.3 | Plantilla de PR |
Datos de entrada utilizados
| has_readme | sí |
| has_license | sí |
| has_contributing | no |
| has_issue_template | no |
| has_code_of_conduct | no |
| has_pull_request_template | no |
Adopción en el ecosistema (descargas)
100Excelente
Cómo se puntúa
| 80/80 | Descargas mensuales — 479.313.413 descargas/mes en npm |
| 0/20 | Dependientes en el registro — no lo informa este ecosistema |
Datos de entrada utilizados
| packages | es-module-lexer |
| dependents | — |
| ecosystems | npm |
| total_downloads | — |
| monthly_downloads | 479.313.413 |
Excluidos de la puntuación (sin datos o no aplicable): Dependientes en el registro. Los pesos restantes se han renormalizado.
Sostenibilidad y Gobernanza
¿Sobrevivirá el proyecto a sus personas: factor bus, capacidad de respuesta, quién lo respalda y mantenimiento del paquete?
70
Resiliencia de mantenedores (factor bus)
36En riesgo
Cómo se puntúa
| 9/54 | Factor bus — la mitad de los commits recae en 1 contribuyente(s) |
| 4/22.5 | Distribución de commits — el principal contribuyente firma el 82% de los commits |
| 13.5/13.5 | Amplitud de contribuyentes — 26 contribuyentes |
| 10/10 | OpenSSF Scorecard: Contributors — project has 12 contributing companies or organizations |
Datos de entrada utilizados
| bus_factor | 1 |
| contributors_sampled | 26 |
| top_contributor_share | 0,822 |
Cómo se puntúa
| 43.4/46.8 | Resolución de issues — 93% de issues cerradas |
| 33.8/38.3 | Aceptación de PR — 106/120 PR decididos fusionados |
| 6/15 | OpenSSF Scorecard: Code-Review — Found 13/30 approved changesets -- score normalized to 4 |
Datos de entrada utilizados
| merged_prs | 106 |
| open_issues | 7 |
| closed_issues | 90 |
| issue_closed_ratio | 0,928 |
| closed_unmerged_prs | 14 |
Propiedad y custodia
73Bueno
Cómo se puntúa
| 10/30 | Respaldo de la propiedad — cuenta personal (usuario) |
| 0/20 | Dominio verificado — no aplicable a cuentas de usuario |
| 23.7/25 | Alcance del propietario — 1954 seguidores de guybedford |
| 25/25 | Trayectoria — 376 repos públicos, cuenta de ~15 años |
Datos de entrada utilizados
| followers | 1954 |
| owner_type | User |
| is_verified | — |
| owner_login | guybedford |
| public_repos | 376 |
| account_age_days | 5648 |
Excluidos de la puntuación (sin datos o no aplicable): Dominio verificado. Los pesos restantes se han renormalizado.
Mantenimiento de paquetes
100Excelente
Cómo se puntúa
| 25/25 | Publicado y resoluble — 1 paquete(s) en npm |
| 35/35 | Recencia de publicación — última publicación hace 10 días |
| 20/20 | Historial de versiones — 75 versiones en el registro |
| 20/20 | No obsoleto — activo, ni obsoleto ni retirado |
Datos de entrada utilizados
| packages | es-module-lexer |
| ecosystems | npm |
| any_deprecated | no |
| min_days_since_publish | 10 |
Calidad de Ingeniería
¿Existen unas prácticas mínimas de ingeniería y documentación?
53
Prácticas de ingeniería
62Moderado
Cómo se puntúa
| 24/24 | Flujos de trabajo de CI — 1 flujo(s) de trabajo |
| 24/24 | Pruebas presentes |
| 0/16 | Configuración de linter |
| 0/9.6 | Hooks de pre-commit |
| 0/6.4 | .editorconfig |
| 14/20 | OpenSSF Scorecard: CI-Tests — 17 out of 23 merged PRs checked by a CI test -- score normalized to 7 |
Datos de entrada utilizados
| has_ci | sí |
| has_tests | sí |
| has_editorconfig | no |
| has_linter_config | no |
| has_precommit_config | no |
Documentación
40En riesgo
Cómo se puntúa
| 30/30 | README |
| 0/25 | Directorio de documentación |
| 0/15 | Sitio de documentación / página del proyecto |
| 10/10 | Descripción del repositorio |
| 0/10 | Topics |
| 0/10 | Wiki |
Datos de entrada utilizados
| topics | — |
| has_wiki | no |
| homepage | — |
| has_readme | sí |
| has_docs_dir | no |
| has_description | sí |
Seguridad
¿Son sólidas las prácticas visibles de seguridad y de cadena de suministro, sin exposición jurisdiccional de alto riesgo sin resolver?
50
Postura de seguridad
50Moderado
Cómo se puntúa
| 7.5/7.5 | Binary-Artifacts — no binaries found in the repo |
| 0/7.5 | Branch-Protection — sin datos |
| 1.8/2.5 | CI-Tests — 17 out of 23 merged PRs checked by a CI test -- score normalized to 7 |
| 0/2.5 | CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected |
| 3/7.5 | Code-Review — Found 13/30 approved changesets -- score normalized to 4 |
| 2.5/2.5 | Contributors — project has 12 contributing companies or organizations |
| 10/10 | Dangerous-Workflow — no dangerous workflow patterns detected |
| 0/7.5 | Dependency-Update-Tool — no update tool detected |
| 0/5 | Fuzzing — project is not fuzzed |
| 2.5/2.5 | Licencia — license file detected |
| 7.5/7.5 | Maintained — 19 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10 |
| 0/5 | Packaging — sin datos |
| 0/5 | Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
| 0/5 | SAST — SAST tool is not run on all commits -- score normalized to 0 |
| 0/5 | Security-Policy — security policy file not detected |
| 0/7.5 | Signed-Releases — sin datos |
| 0/7.5 | Token-Permissions — detected GitHub workflow tokens with excessive permissions |
| 7.5/7.5 | Vulnerabilities — 0 existing vulnerabilities detected |
Datos de entrada utilizados
| source | openssf_scorecard |
| checks_evaluated | 15 |
| scorecard_version | v5.5.0 |
| checks_inconclusive | 3 |
| scorecard_aggregate | 5 |
Excluidos de la puntuación (sin datos o no aplicable): branch_protection, packaging, signed_releases. Los pesos restantes se han renormalizado.
Preparación para IA
¿Hasta qué punto está el repositorio preparado para desarrollarse y mantenerse con agentes de codificación de IA? Es una insignia independiente y experimental — peso 0,0, de modo que se presenta por separado y no afecta a la puntuación de salud global.
30
Contexto y guía para agentes
34En riesgo
Cómo se puntúa
| 0/45 | Instrucciones para agentes — sin CLAUDE.md / AGENTS.md / reglas de editor |
| 0/15 | Documentación legible por máquinas (llms.txt) |
| 33.6/40 | Historial de commits legible — 63 de 100 commits humanos declaran su intención (asunto estructurado o cuerpo explicativo) |
Datos de entrada utilizados
| has_llms_txt | no |
| legible_history_share | 0,63 |
| agent_instruction_files | — |
| agent_instruction_max_bytes | — |
Cómo se puntúa
| 0/18 | Arranque con un solo comando |
| 22/22 | Pruebas automatizadas |
| 0/11 | Configuración de lint / formato |
| 0/11 | Verificación estática de tipos |
| 0/10 | Entorno reproducible |
| 0/10 | Práctica demostrada con agentes — ningún commit con autoría de agente entre los últimos 100 |
| 0/8 | Mantenimiento automatizado — no se observan actualizaciones automáticas de dependencias |
| 0/10 | OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0 |
Datos de entrada utilizados
| has_nix | no |
| has_tests | sí |
| lockfiles | — |
| has_dockerfile | no |
| typed_language | no |
| bootstrap_files | — |
| has_devcontainer | no |
| has_linter_config | no |
| typecheck_configs | — |
| agent_commit_share | 0 |
| toolchain_manifests | — |
| dependency_bot_commit_share | 0 |
Legibilidad del código para modelos
31En riesgo
Cómo se puntúa
| 0/45 | Código verificable por tipos — JavaScript sin configuración de verificación de tipos |
| 30.9/55 | Tamaños de archivo manejables — 7/16 archivos fuente de más de 60 KB |
Datos de entrada utilizados
| primary_language | JavaScript |
| largest_source_bytes | 902.016 |
| source_files_sampled | 16 |
| oversized_source_files | 7 |
Interfaces legibles por máquina
40En riesgo
Cómo se puntúa
| 0/40 | Esquema de API (OpenAPI/GraphQL/proto) |
| 0/20 | Servidor MCP |
| 40/40 | Ejemplos ejecutables — samples |
Datos de entrada utilizados
| example_dirs | samples |
| has_mcp_signal | no |
| api_schema_files | — |
Datos clave
1030estrellas de GitHub
26contribuidores
23commits en los últimos 12 meses
9días desde el último push
33versiones publicadas
1factor bus
7issues abiertas
npmecosistemas de paquetes
Advertencias de recopilación de datos
- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
- deps.dev does not index npm:es-module-lexer@2.3.1; advisories assessed against the repository dependency graph instead
- No resolved dependencies carried a version and a supported ecosystem
Más detalle
Historial de estrellas y forks 0 ★ / 57 ⇿
0Estrellas
57Forks
33Versiones
Cuándo se añadió cada estrella y fork, recopilado de GitHub y agrupado por día. El crecimiento acumulado se sitúa justo encima de las adiciones diarias que lo componen, de modo que ambos se leen en conjunto: la acumulación orgánica sostenida no se parece en nada a un pico abrupto y efímero. Cuando esa diferencia es medible, se informa como autenticidad del crecimiento.
Mayor 2Menor 11Parche 20
Cada punto abarca 7 días.
OpenSSF Scorecard 5.0 / 10
5.0agregado
Evaluación de seguridad independiente y agnóstica en cuanto a herramientas, procedente del proyecto de código abierto OpenSSF Scorecard. Cada comprobación premia una práctica de seguridad, no la herramienta de un proveedor concreto. Las comprobaciones que Scorecard no pudo determinar se marcan como n/d y se excluyen de la puntuación de seguridad (nunca se cuentan como cero).
| 10 | Binary-Artifacts | no binaries found in the repo |
| n/d | Branch-Protection | internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md |
| 7 | CI-Tests | 17 out of 23 merged PRs checked by a CI test -- score normalized to 7 |
| 0 | CII-Best-Practices | no effort to earn an OpenSSF best practices badge detected |
| 4 | Code-Review | Found 13/30 approved changesets -- score normalized to 4 |
| 10 | Contributors | project has 12 contributing companies or organizations |
| 10 | Dangerous-Workflow | no dangerous workflow patterns detected |
| 0 | Dependency-Update-Tool | no update tool detected |
| 0 | Fuzzing | project is not fuzzed |
| 10 | License | license file detected |
| 10 | Maintained | 19 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10 |
| n/d | Packaging | packaging workflow not detected |
| 0 | Pinned-Dependencies | dependency not pinned by hash detected -- score normalized to 0 |
| 0 | SAST | SAST tool is not run on all commits -- score normalized to 0 |
| 0 | Security-Policy | security policy file not detected |
| n/d | Signed-Releases | no releases found |
| 0 | Token-Permissions | detected GitHub workflow tokens with excessive permissions |
| 10 | Vulnerabilities | 0 existing vulnerabilities detected |
Todas las dependencias 10
Conjunto completo de dependencias resueltas según el grafo de dependencias de GitHub: 0 paquetes directos y 10 indirectos (transitivos). El cierre transitivo es completo cuando el repositorio incluye un lockfile.
| Registro | Paquete | Versión | Relación |
|---|---|---|---|
| npm | @babel/cli | ^7.29.7 | indirecta |
| npm | @babel/core | ^7.29.7 | indirecta |
| npm | @babel/plugin-transform-modules-commonjs | ^7.29.7 | indirecta |
| npm | @swc/cli | ^0.8.1 | indirecta |
| npm | @swc/core | ^1.15.41 | indirecta |
| npm | @types/node | ^25.9.3 | indirecta |
| npm | kleur | ^4.1.5 | indirecta |
| npm | mocha | ^11.7.6 | indirecta |
| npm | terser | ^5.48.0 | indirecta |
| npm | typescript | ^6.0.3 | indirecta |
Avisos de dependencias sin evaluar
El cotejo de avisos no pudo ejecutarse para este informe: No resolved dependencies carried a version and a supported ecosystem
Informe JSON sin procesar legible por máquina
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"oid": "2abc49eafca47730b5ec395c0f7c1b2e136312c5",
"body": "* perf(lexer): skip identifier and number runs\n\nOn the 3,057 KiB sample corpus, Wasm drops from 15,356.31 to 13,010.46 us per sweep on Node 18.20.8 (-15.28%) and from 11,724.34 to 9,856.69 us on Node 24.18.0 (-15.93%). The asm.js build drops from 15,934.34 to 12,945.57 us on Node 24.18.0 (-18.76%).\n\nThe fast path adds 379 raw / 105 gzip bytes to the full Wasm binary. Measurements used 1,500 warmup sweeps followed by 9 interleaved trials of 50 sweeps, dropping the best and worst trials.",
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"body": "* perf(lexer): gate keywordStart on the next byte for i/c tokens\n\nThe main character loop calls keywordStart() (and through it a second\nboundary helper) on every `i` and `c` it reaches, but over real-world\nsources the next byte rules the token out ~98% of the time for `i` and\n~95% for `c`. Checking \n[…]\nyte, so the\nmemcmp only needs \"ass\". Slice &LASS[1] (LASS stays for the two\nnon-fast-path class checks). -4 bytes, no extra instructions.\n\n---------\n\nCo-authored-by: Guy Bedford <guybedford@gmail.com>",
"is_bot": false,
"headline": "perf(lexer): gate keywordStart on the next byte for i/c tokens (#223)",
"author_name": "Ruben Bridgewater",
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"body": null,
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"headline": "perf: fast native UTF-16 source copy into Wasm memory on Node (#224)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2026-07-12T01:34:02Z",
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"body": null,
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"headline": "2.3.0",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2026-07-02T01:13:23Z",
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{
"oid": "f3c972d9ded43c6b1f3503305fda7eb067ad7989",
"body": "…e readme (#219)\n\nThe minimal wasm build added in #211 predates the #217 memory growth fix\nand was missing -s ALLOW_MEMORY_GROWTH=1, so parse() on sources over ~4M\nchars threw \"Maximum memory size exceeded\" (the Large source test from\n#217 catches this under test:minimal:wasm).\n\nAlso documents the es-module-lexer/minimal build in the readme, and\ncorrects the stale comments claiming dynamic-import n / ip() are dropped\nin the minimal build: _ip is exported and read, only at/ss/f/ms go.",
"is_bot": false,
"headline": "fix: allow wasm memory growth in the minimal build, document it in th…",
"author_name": "Guy Bedford",
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"committed_at": "2026-07-02T01:10:17Z",
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"body": "The emsdk toolchain update in #203 dropped the growable memory the old\nfastcomp build emitted: the wasm memory was declared with\nmaximum == initial (258 pages / ~16MiB), so the unconditional\nmemory.grow() in parse() throws \"Maximum memory size exceeded\" for any\nsource over ~4M chars (stored as 4 bytes per char).\n\nAdd -s ALLOW_MEMORY_GROWTH=1 to restore growable memory, and a 5MB\nlarge source regression test.\n\nFixes #214",
"is_bot": false,
"headline": "fix: allow wasm memory growth for sources over ~4MB (#217)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2026-07-02T00:52:30Z",
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"oid": "6c9042551ee19703f5a57d1101dfe7b500f60e99",
"body": "… (#211)\n\nAdds a LEXER_MIN build variant that drops the metadata es-module-shims\nnever reads, exposed as two new package entry points alongside the\nexisting full builds:\n\n- es-module-lexer/minimal -> dist/lexer.minimal.js (wasm)\n- es-module-lexer/minimal/js -> dist/lexer.minimal.asm.js (asm\n[…]\n to build/*.mjs; the full build is unchanged\n(byte-for-byte). The test suite runs against both variants (MINIMAL=1)\nwith min-only-field assertions gated; bench and footprint cover the full\n2x2 matrix.",
"is_bot": false,
"headline": "feat: add minimal build for es-module-shims (es-module-lexer/minimal)…",
"author_name": "Guy Bedford",
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"oid": "70010fbc53b485c938d7bd45c1f95b1cf5a73a83",
"body": "* docs: correct stale limitations and gzip size in README\n\nTwo README claims no longer match the shipped library:\n\n1. The Limitations section says `export var a = 'asdf', q = z` only detects\n `a` and `export var { a: b } = asdf` misses `b`. Both are detected\n correctly in current releases. Repla\n[…]\nure is about half the current size. All three\n published builds (lexer.js, lexer.cjs, lexer.asm.js) gzip to ~8 KiB.\n\n* Update README.md\n\n---------\n\nCo-authored-by: Guy Bedford <guybedford@gmail.com>",
"is_bot": false,
"headline": "docs: correct stale limitations and gzip size in README (#212)",
"author_name": "Ruben Bridgewater",
"author_login": "BridgeAR",
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"body": null,
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"headline": "2.2.0",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2026-06-29T05:10:38Z",
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{
"oid": "d61e97a651b595453bc52c32c5485832771bdbb3",
"body": "Exports exposed only the exported and local name ranges, so a consumer could\nnot locate the `export` keyword introducing a binding. Each export specifier\nnow carries `ss`, the statement start, matching the import `ss`. Only the\nstatement start is tracked, not its end.\n\nFixes: https://github.com/guybedford/es-module-lexer/issues/112",
"is_bot": false,
"headline": "feat: expose export statement start position as ss (#206)",
"author_name": "Ruben Bridgewater",
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"committed_at": "2026-06-28T22:33:44Z",
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"body": "* fix: detect every binding in export var/let/const declarations\n\nA multi-declarator export reported only the first binding:\n`export const a = 1, b = 2` yielded `a`, never `b` - the initializer scanner\nstopped at the first declarator instead of skipping each initializer to its\nseparating comma.\n\nski\n[…]\ninitializer or a destructuring default is detected.\n4. A numeric or BigInt property key such as `{ 0.5: b }` is consumed whole.\n\n* fixups\n\n---------\n\nCo-authored-by: Guy Bedford <guybedford@gmail.com>",
"is_bot": false,
"headline": "fix: detect every binding in export var/let/const declarations (#199)",
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"body": "…port (#207)",
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"headline": "fix: don't treat a method named `import` with 2+ args as a dynamic im…",
"author_name": "Michael Sober",
"author_login": "soberm",
"committed_at": "2026-06-28T20:50:46Z",
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"body": "…y from the build (#203)",
"is_bot": false,
"headline": "build: update to upstream emsdk toolchain and derive asm.js dictionar…",
"author_name": "Guy Bedford",
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"committed_at": "2026-06-21T22:24:33Z",
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"oid": "025973941b4e0fad14144b60b73621247ea2f589",
"body": "* fix: report n for no-substitution template dynamic imports\n\nA dynamic import whose specifier is a no-substitution template literal\n(import(`./x.js`)) returned n: undefined, while the quoted forms returned the\nspecifier. A template with no ${...} is a constant string, so it now records a\nsafe speci\n[…]\nbstitution template threw a parse error on the asm.js build while\nWASM and the JS fallback decoded it. Apply the same backtick exception.\n\n---------\n\nCo-authored-by: Guy Bedford <guybedford@gmail.com>",
"is_bot": false,
"headline": "fix: report n for no-substitution template dynamic imports (#201)",
"author_name": "Ruben Bridgewater",
"author_login": "BridgeAR",
"committed_at": "2026-06-21T00:17:54Z",
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{
"oid": "7a679e8d82ab6cc5729ace0e0f6a658a72e20a70",
"body": "* build(deps-dev): update dev dependencies to latest\n\nThe TypeScript and mocha majors each break a build step unless paired with a\nchange here:\n\n1. `build:types` errored on `Buffer` — TypeScript 6 no longer auto-includes\n @types/node for a file passed on the tsc command line, so the call now\n pa\n[…]\ndropped the bdd `beforeEach`, so its two hooks use the\n tdd `setup` alias.\n\n* fix(bench): update kleur to v4 function-call chaining API\n\n---------\n\nCo-authored-by: Guy Bedford <guybedford@gmail.com>",
"is_bot": false,
"headline": "build(deps-dev): update dev dependencies to latest (#200)",
"author_name": "Ruben Bridgewater",
"author_login": "BridgeAR",
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"headline": "2.1.0",
"author_name": "Guy Bedford",
"author_login": "guybedford",
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{
"oid": "cc29c5bca18d715f81f7592b3c5fe18f9abf24b9",
"body": "Disambiguate `of` as identifier vs for-of contextual keyword inside\n`for (...)` by checking whether `of` actually follows a binding (the\nonly place the for-of keyword can appear). In valid JS a binding always\nends with an identifier-tail char, ']', '}', or ')' — anything else\nmeans `of` is just an i\n[…]\nwhich only excluded ';' and\n'=', missing '+', '-', '*', ',', '<', '|', '&', '?', etc.) and also\nhandles tab/newline whitespace and the no-space-before-of cases like\n`for ([x]of /regex/)`.\n\nFixes #188.",
"is_bot": false,
"headline": "fix: handle new of conflict cases (#195)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2026-04-25T21:23:03Z",
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"body": null,
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"headline": "Always exclude dyn import attributes from specifier range (#197)",
"author_name": "Nicolò Ribaudo",
"author_login": "nicolo-ribaudo",
"committed_at": "2026-04-25T20:30:06Z",
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"headline": "2.0.0",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2025-12-07T08:33:51Z",
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},
{
"oid": "066ce56cec8cf2a5aff4f3753ce8c08f0b334154",
"body": null,
"is_bot": false,
"headline": "feat: support import attribute item parsing (#194)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2025-12-07T08:33:01Z",
"body_truncated": false,
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{
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"body": null,
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"headline": "breaking: remove import assertions (#191)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
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"headline": "fix: global reference (#193)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2025-12-07T07:50:47Z",
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{
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"body": null,
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"headline": "1.7.0",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2025-04-22T22:19:25Z",
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},
{
"oid": "880c30a1ef4bb780c0485678470a3e7793dc4a9a",
"body": null,
"is_bot": false,
"headline": "feat: support import defer syntax (#187)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2025-04-22T22:16:19Z",
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"headline": "1.6.0",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2024-12-26T16:07:23Z",
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},
{
"oid": "abb62e294868e0d8ef229d163a4d30b2b57cf4ff",
"body": null,
"is_bot": false,
"headline": "feat: implement `initSync` (#185)",
"author_name": "Sukka",
"author_login": "SukkaW",
"committed_at": "2024-12-26T16:05:52Z",
"body_truncated": false,
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"oid": "765927c4265f3335b4eec98c82ee15d946626745",
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"headline": "Update README.md for types info (#182)",
"author_name": "Yao Ding",
"author_login": "yaodingyd",
"committed_at": "2024-10-25T19:01:53Z",
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},
{
"oid": "57e92af52d9b717da65d22740de3ee76ccdde911",
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"headline": "fix: typo (#180)",
"author_name": "godky",
"author_login": "godky",
"committed_at": "2024-09-06T03:03:50Z",
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"body": null,
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"headline": "fix: add exports type for lexer.asm.js (#179)",
"author_name": "阿豪",
"author_login": "ahaoboy",
"committed_at": "2024-07-10T01:39:51Z",
"body_truncated": false,
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"headline": "1.5.4",
"author_name": "Guy Bedford",
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"committed_at": "2024-06-24T05:04:40Z",
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{
"oid": "2f481347167b268e0f4e2852c09541bbd8e10f2e",
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"headline": "fix: of keyword context in for statement only (#178)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2024-06-24T05:04:12Z",
"body_truncated": false,
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},
{
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"headline": "1.5.3",
"author_name": "Guy Bedford",
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{
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"headline": "fix: handling of of keyword (#174)",
"author_name": "Guy Bedford",
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"committed_at": "2024-05-17T19:16:57Z",
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"headline": "1.5.2",
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"committed_at": "2024-04-27T22:13:00Z",
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{
"oid": "492a0aa27e8d25006f9818df2a44f80ff3606a61",
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"headline": "fix: import type definitions (#172)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2024-04-27T22:11:55Z",
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{
"oid": "3c40904031f6ec4d40a2b4fd94f318a6f38dec60",
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"headline": "fix regex case of (#171)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2024-04-27T21:15:40Z",
"body_truncated": false,
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"headline": "1.5.0",
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"committed_at": "2024-03-25T21:02:24Z",
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{
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"headline": "Source phase imports (#168)",
"author_name": "Guy Bedford",
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"headline": "1.4.2",
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"headline": "fix: handle regexp as default export (#167)",
"author_name": "Francesco Pipita",
"author_login": "fpipita",
"committed_at": "2024-03-19T04:16:55Z",
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"headline": "1.4.1",
"author_name": "Guy Bedford",
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"committed_at": "2023-11-12T00:25:19Z",
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},
{
"oid": "2eeee5b6f12109af28fa87c9fc7e4a1216462375",
"body": null,
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"headline": "fix: ignore dynamic import for has ESM syntax (#164)",
"author_name": "翠 / green",
"author_login": "sapphi-red",
"committed_at": "2023-11-12T00:24:48Z",
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"headline": "1.4.0",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2023-11-10T04:41:33Z",
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},
{
"oid": "2911914790319f2f239ae266e017513bd629099a",
"body": "* feat: skip trailing white space in dynamic import\r\n\r\n* test: add more test cases",
"is_bot": false,
"headline": "feat: skip trailing white space in dynamic import (#162)",
"author_name": "翠 / green",
"author_login": "sapphi-red",
"committed_at": "2023-11-10T04:40:14Z",
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},
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"is_bot": false,
"headline": "feat: ESM detection support (#160)",
"author_name": "翠 / green",
"author_login": "sapphi-red",
"committed_at": "2023-11-09T17:34:11Z",
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"headline": "types: add ParseError type (#161)",
"author_name": "翠 / green",
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"headline": "1.3.1",
"author_name": "Guy Bedford",
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{
"oid": "842c16c8ed24f73a73c855b6887b97163703a50e",
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"headline": "fix: dynamic import paren ranges (#157)",
"author_name": "Guy Bedford",
"author_login": "guybedford",
"committed_at": "2023-09-10T21:38:54Z",
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"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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]
}
},
{
"code": "weights_renormalized",
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}
],
"value": 100,
"inputs": {
"packages": [
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"dependents": null,
"ecosystems": "npm",
"total_downloads": null,
"monthly_downloads": 479313413
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"components": [
{
"key": "monthly_downloads",
"name": "Monthly downloads",
"detail": "479,313,413 downloads/month across npm",
"points": 80,
"status": "met",
"details": [
{
"code": "downloads_monthly",
"params": {
"count": 479313413,
"ecosystems": "npm"
}
}
],
"max_points": 80
},
{
"key": "registry_dependents",
"name": "Registry dependents",
"detail": "not reported by this ecosystem",
"points": 0,
"status": "excluded",
"details": [
{
"code": "not_reported_by_this_ecosystem",
"params": {}
}
],
"max_points": 20
}
]
}
],
"description": "Does the project have users, downloads, attention, and a welcoming setup for contributors?"
},
{
"key": "governance",
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"name": "Sustainability & Governance",
"value": 70,
"weight": 0.24,
"metrics": [
{
"key": "maintainer_resilience",
"band": "at_risk",
"name": "Maintainer resilience (bus factor)",
"note": null,
"notes": [],
"value": 36,
"inputs": {
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"contributors_sampled": 26,
"top_contributor_share": 0.822
},
"components": [
{
"key": "bus_factor",
"name": "Bus factor",
"detail": "1 contributor(s) cover half of all commits",
"points": 9,
"status": "partial",
"details": [
{
"code": "bus_factor",
"params": {
"count": 1
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}
],
"max_points": 54
},
{
"key": "commit_distribution",
"name": "Commit distribution",
"detail": "top contributor authored 82% of commits",
"points": 4,
"status": "partial",
"details": [
{
"code": "top_contributor_share",
"params": {
"share": 82
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}
],
"max_points": 22.5
},
{
"key": "contributor_breadth",
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"detail": "26 contributors",
"points": 13.5,
"status": "met",
"details": [
{
"code": "contributors_sampled",
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"count": 26
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}
],
"max_points": 13.5
},
{
"key": "openssf_scorecard_contributors",
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"detail": "project has 12 contributing companies or organizations",
"points": 10,
"status": "met",
"details": [],
"max_points": 10
}
]
},
{
"key": "responsiveness",
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"name": "Issue & PR responsiveness",
"note": null,
"notes": [],
"value": 83,
"inputs": {
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"closed_issues": 90,
"issue_closed_ratio": 0.928,
"closed_unmerged_prs": 14
},
"components": [
{
"key": "issue_resolution",
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"detail": "93% of issues closed",
"points": 43.4,
"status": "partial",
"details": [
{
"code": "issues_closed_share",
"params": {
"share": 93
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}
],
"max_points": 46.75
},
{
"key": "pr_acceptance",
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"points": 33.8,
"status": "partial",
"details": [
{
"code": "decided_prs_merged",
"params": {
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}
],
"max_points": 38.25
},
{
"key": "openssf_scorecard_code_review",
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"points": 6,
"status": "partial",
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"max_points": 15
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]
},
{
"key": "stewardship",
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"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 73,
"inputs": {
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"is_verified": null,
"owner_login": "guybedford",
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"account_age_days": 5648
},
"components": [
{
"key": "ownership_backing",
"name": "Ownership backing",
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"status": "partial",
"details": [
{
"code": "owner_personal",
"params": {}
}
],
"max_points": 30
},
{
"key": "verified_domain",
"name": "Verified domain",
"detail": "not applicable to user accounts",
"points": 0,
"status": "excluded",
"details": [
{
"code": "not_applicable_to_user_accounts",
"params": {}
}
],
"max_points": 20
},
{
"key": "owner_reach",
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"points": 23.7,
"status": "partial",
"details": [
{
"code": "owner_followers",
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"count": 1954,
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}
],
"max_points": 25
},
{
"key": "track_record",
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"points": 25,
"status": "met",
"details": [
{
"code": "public_repos",
"params": {
"count": 376
}
},
{
"code": "account_age_years",
"params": {
"years": 15
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}
],
"max_points": 25
}
]
},
{
"key": "package_maintenance",
"band": "excellent",
"name": "Package maintenance",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"packages": [
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],
"ecosystems": "npm",
"any_deprecated": false,
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"components": [
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"code": "packages_published",
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"count": 1,
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}
],
"max_points": 25
},
{
"key": "publish_recency",
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"points": 35,
"status": "met",
"details": [
{
"code": "publish_recency",
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"days": 10
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}
],
"max_points": 35
},
{
"key": "version_history",
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"points": 20,
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"details": [
{
"code": "published_versions",
"params": {
"count": 75
}
}
],
"max_points": 20
},
{
"key": "not_deprecated",
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"detail": "active, not deprecated or yanked",
"points": 20,
"status": "met",
"details": [
{
"code": "package_not_deprecated",
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}
],
"max_points": 20
}
]
}
],
"description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
},
{
"key": "engineering",
"band": "moderate",
"name": "Engineering Quality",
"value": 53,
"weight": 0.2,
"metrics": [
{
"key": "engineering_practices",
"band": "moderate",
"name": "Engineering practices",
"note": null,
"notes": [],
"value": 62,
"inputs": {
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"has_tests": true,
"has_editorconfig": false,
"has_linter_config": false,
"has_precommit_config": false
},
"components": [
{
"key": "ci_workflows",
"name": "CI workflows",
"detail": "1 workflow(s)",
"points": 24,
"status": "met",
"details": [
{
"code": "ci_workflows",
"params": {
"count": 1
}
}
],
"max_points": 24
},
{
"key": "tests_present",
"name": "Tests present",
"detail": null,
"points": 24,
"status": "met",
"details": [],
"max_points": 24
},
{
"key": "linter_config",
"name": "Linter config",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 16
},
{
"key": "pre_commit_hooks",
"name": "Pre-commit hooks",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 9.6
},
{
"key": "editorconfig",
"name": ".editorconfig",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 6.4
},
{
"key": "openssf_scorecard_ci_tests",
"name": "OpenSSF Scorecard: CI-Tests",
"detail": "17 out of 23 merged PRs checked by a CI test -- score normalized to 7",
"points": 14,
"status": "partial",
"details": [],
"max_points": 20
}
]
},
{
"key": "documentation",
"band": "at_risk",
"name": "Documentation",
"note": null,
"notes": [],
"value": 40,
"inputs": {
"topics": [],
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"homepage": null,
"has_readme": true,
"has_docs_dir": false,
"has_description": true
},
"components": [
{
"key": "readme",
"name": "README",
"detail": null,
"points": 30,
"status": "met",
"details": [],
"max_points": 30
},
{
"key": "documentation_directory",
"name": "Documentation directory",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 25
},
{
"key": "documentation_homepage_site",
"name": "Documentation / homepage site",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
},
{
"key": "repository_description",
"name": "Repository description",
"detail": null,
"points": 10,
"status": "met",
"details": [],
"max_points": 10
},
{
"key": "topics",
"name": "Topics",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
},
{
"key": "wiki",
"name": "Wiki",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
}
]
}
],
"description": "Are baseline engineering and documentation practices in place?"
},
{
"key": "security",
"band": "moderate",
"name": "Security",
"value": 50,
"weight": 0.16,
"metrics": [
{
"key": "security_posture",
"band": "moderate",
"name": "Security posture",
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"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
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"packaging",
"signed_releases"
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}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 50,
"inputs": {
"source": "openssf_scorecard",
"checks_evaluated": 15,
"scorecard_version": "v5.5.0",
"checks_inconclusive": 3,
"scorecard_aggregate": 5
},
"components": [
{
"key": "binary_artifacts",
"name": "Binary-Artifacts",
"detail": "no binaries found in the repo",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "branch_protection",
"name": "Branch-Protection",
"detail": "internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 7.5
},
{
"key": "ci_tests",
"name": "CI-Tests",
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"points": 1.8,
"status": "partial",
"details": [],
"max_points": 2.5
},
{
"key": "cii_best_practices",
"name": "CII-Best-Practices",
"detail": "no effort to earn an OpenSSF best practices badge detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 2.5
},
{
"key": "code_review",
"name": "Code-Review",
"detail": "Found 13/30 approved changesets -- score normalized to 4",
"points": 3,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 12 contributing companies or organizations",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "dangerous_workflow",
"name": "Dangerous-Workflow",
"detail": "no dangerous workflow patterns detected",
"points": 10,
"status": "met",
"details": [],
"max_points": 10
},
{
"key": "dependency_update_tool",
"name": "Dependency-Update-Tool",
"detail": "no update tool detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "fuzzing",
"name": "Fuzzing",
"detail": "project is not fuzzed",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "license",
"name": "License",
"detail": "license file detected",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "maintained",
"name": "Maintained",
"detail": "19 commit(s) and 3 issue activity found in the last 90 days -- score normalized to 10",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow not detected",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
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],
"max_points": 5
},
{
"key": "pinned_dependencies",
"name": "Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "sast",
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"detail": "SAST tool is not run on all commits -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "security_policy",
"name": "Security-Policy",
"detail": "security policy file not detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "signed_releases",
"name": "Signed-Releases",
"detail": "no releases found",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 7.5
},
{
"key": "token_permissions",
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"detail": "detected GitHub workflow tokens with excessive permissions",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "vulnerabilities",
"name": "Vulnerabilities",
"detail": "0 existing vulnerabilities detected",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
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"name": "High-Risk Jurisdiction Exposure",
"note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
"notes": [
{
"code": "jurisdiction_evidence_limits",
"params": {}
}
],
"value": 100,
"inputs": {
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"exposures": [],
"policy_countries": [
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"review_only_matches": 0,
"assessed_self_published_locations": 17
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"components": [
{
"key": "policy_exposure_multiplier",
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"status": "met",
"details": [
{
"code": "jurisdiction_no_match",
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}
],
"max_points": 100
}
]
}
],
"description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
},
{
"key": "ai_readiness",
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"name": "AI Readiness",
"value": 30,
"weight": 0,
"metrics": [
{
"key": "ai_agent_context",
"band": "at_risk",
"name": "Agent context & guidance",
"note": null,
"notes": [],
"value": 34,
"inputs": {
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"legible_history_share": 0.63,
"agent_instruction_files": [],
"agent_instruction_max_bytes": null
},
"components": [
{
"key": "agent_instructions",
"name": "Agent instructions",
"detail": "no CLAUDE.md / AGENTS.md / editor rules",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_instructions",
"params": {}
}
],
"max_points": 45
},
{
"key": "machine_readable_docs_llms_txt",
"name": "Machine-readable docs (llms.txt)",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
},
{
"key": "legible_commit_history",
"name": "Legible commit history",
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"points": 33.6,
"status": "partial",
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"code": "legible_history",
"params": {
"legible": 63,
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],
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]
},
{
"key": "ai_verify_loop",
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"note": null,
"notes": [],
"value": 22,
"inputs": {
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"has_tests": true,
"lockfiles": [],
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"toolchain_manifests": [],
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"components": [
{
"key": "one_command_bootstrap",
"name": "One-command bootstrap",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 18
},
{
"key": "automated_tests",
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"points": 22,
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{
"key": "lint_format_config",
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"points": 0,
"status": "missed",
"details": [],
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{
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"points": 0,
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{
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"points": 0,
"status": "missed",
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{
"key": "demonstrated_agent_practice",
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{
"key": "automated_maintenance",
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],
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{
"key": "openssf_scorecard_pinned_dependencies",
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},
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"components": [
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{
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]
},
{
"key": "ai_interfaces",
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"notes": [],
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"inputs": {
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"points": 0,
"status": "missed",
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},
{
"key": "mcp_server",
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{
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"status": "met",
"details": [
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"code": "file_list",
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]
}
],
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],
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"warnings": [
"Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token",
"deps.dev does not index npm:es-module-lexer@2.3.1; advisories assessed against the repository dependency graph instead",
"No resolved dependencies carried a version and a supported ecosystem"
],
"report_type": "repository",
"generated_at": "2026-07-22T16:37:28.558983Z",
"schema_version": "0.26.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/g/guybedford/es-module-lexer.svg",
"full_name": "guybedford/es-module-lexer",
"license_state": "standard",
"license_spdx": "MIT"
}Las puntuaciones son señales, no garantías. Reflejan prácticas públicamente visibles en GitHub; no son una auditoría de código ni una garantía de seguridad.
Los datos ausentes se excluyen y los pesos se renormalizan; nunca se puntúan como cero. La metodología es versionada y abierta: métricas v1.13.0, esquema v0.26.0 — metodología completa · wiki de métricas.
Cómo se sitúa un resultado dentro del registro general: estadísticas agregadas — npm.