Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-10-22 00:09 UTC

checkdigit / asyncerator

Provide supporting types for AsyncIterable/AsyncIterableIterators, typed & promisified stream.pipeline implementation, and Array-like utility operators, sources and sinks.

TypeScriptMIT★ 6 stars⑂ 0 forkssince Apr 2020View on GitHub ↗
KindLibraryhow this is determined

checkdigit/asyncerator holds a health index of 56 out of 100, placing it in the Moderate band. It scores highest on Sustainability & Governance (64/100) and lowest on Community & Adoption (40/100). It was last updated 40 days ago. A single contributor accounts for most of its recent work.

56
overall / 100
Moderate

Software health index

Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.

56
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe problems (abandoned, single-maintainer, no hygiene)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

Score profile

Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.

The weighted overall 54 is calibrated to 56 on the published index scale (record calibration 2026-08-02).

Ownership

checkdigitOrganization
7 followers14 public repossince Oct 2015

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npmasyncerator6.0.06,8164540 days agostreampipelinestream.pipelineasynciteratorasynciterableasynciterableiterator

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

48Weak · 21% of overall

Development activity

24At Risk
How it's scored
18/36Push recency — last push 40 days ago
1.4/36Commit cadence — 2/52 weeks with commits
4.3/18Commit volume — 2 commits in the last year
0/10OpenSSF Scorecard: Maintained — 1 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
Inputs used
commits_last_year2
human_commit_share1
days_since_last_push40
active_weeks_last_year2

Release discipline

84Excellent
How it's scored
27/27Ships releases — 8 releases published
36/36Release recency — latest release 40 days ago
12.6/27Release cadence — a release every ~165.3 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count8
latest_release_tagv6.0.0
releases_from_tagsno
days_since_latest_release40
mean_days_between_releases165.3
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

40Weak · 17% of overall

Popularity & adoption

16Critical
How it's scored
11.3/60Stars — 6 stars
0/25Forks — 0 forks
5/15Watchers — 9 watchers
Inputs used
forks0
stars6
watchers9
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

50Moderate
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (MIT)
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges3
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_servicesshields.io
has_pull_request_templateno

Ecosystem adoption (downloads)

64Moderate
How it's scored
51.1/80Monthly downloads — 6,816 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packagesasyncerator
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads6,816
unverified_packages_excluded—
Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

64Moderate · 23% of overall

Maintainer resilience (bus factor)

26At Risk
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
10.9/22.5Commit distribution — top contributor authored 52% of commits
2.7/13.5Contributor breadth — 2 contributors
3/10OpenSSF Scorecard: Contributors — project has 1 contributing companies or organizations -- score normalized to 3
Inputs used
bus_factor1
contributors_sampled2
top_contributor_share0.517

Issue & PR responsiveness

88Excellent
How it's scored
42/42Issue resolution — 100% of issues closed
28.9/30PR acceptance — 27/28 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
6/15OpenSSF Scorecard: Code-Review — Found 14/30 approved changesets -- score normalized to 4
Inputs used
merged_prs27
open_issues0
closed_issues27
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio1
closed_unmerged_prs1
first_time_authors_30d0
first_time_prs_merged_30d0
first_time_prs_decided_30d0
Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.

Ownership & stewardship

57Moderate
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
6.5/25Owner reach — 7 followers of checkdigit
20.6/25Track record — 14 public repos, account ~10 yr old
Inputs used
followers7
owner_typeOrganization
is_verifiedno
owner_logincheckdigit
public_repos14
account_age_days4,012

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on npm
35/35Publish recency — latest publish 40 days ago
20/20Version history — 45 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packagesasyncerator
ecosystemsnpm
any_deprecatedno
min_days_since_publish40

Engineering Quality

Are baseline engineering and documentation practices in place?

60Moderate · 19% of overall

Engineering practices

66Good
How it's scored
24/24CI workflows — 6 workflow(s)
24/24Tests present
16/16Linter config — eslint.config.mjs, package.json ("prettier")
0/9.6Pre-commit hooks
0/6.4.editorconfig
2/20OpenSSF Scorecard: CI-Tests — 2 out of 14 merged PRs checked by a CI test -- score normalized to 1
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configno

Documentation

50Moderate
How it's scored
30/30README
0/25Documentation directory
0/15Documentation / homepage site
10/10Repository description
0/10Topics
10/10Wiki
Inputs used
topics—
has_wikiyes
homepage—
docs_site—
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

57Moderate · 16% of overall

Security posture

46Weak
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
6/7.5Branch-Protection — branch protection is not maximal on development and all release branches
0.2/2.5CI-Tests — 2 out of 14 merged PRs checked by a CI test -- score normalized to 1
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
3/7.5Code-Review — Found 14/30 approved changesets -- score normalized to 4
0.8/2.5Contributors — project has 1 contributing companies or organizations -- score normalized to 3
10/10Dangerous-Workflow — no dangerous workflow patterns detected
0/7.5Dependency-Update-Tool — no update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
0/7.5Maintained — 1 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
5/5Packaging — packaging workflow detected
1/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 2
3.5/5SAST — SAST tool detected but not run on all commits
5/5Security-Policy — security policy file detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
0/7.5Vulnerabilities — 13 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated17
scorecard_versionv5.5.0
checks_inconclusive1
scorecard_aggregate4.6
Excluded from scoring (no data or not applicable): Signed-Releases. Remaining weights renormalized.

Dependency advisories

100Exceptional
How it's scored
35/35Direct dependencies free of known advisories — no direct dependency carries a known advisory
25/25Indirect dependencies free of known advisories — no indirect dependency carries a known advisory
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories0
affected_packages0
assessed_packages2
unassessed_packages0
affected_by_severitynone
direct_affected_packages0
Excluded from scoring (no data or not applicable): No advisories left outstanding. Remaining weights renormalized. Matched the npm:asyncerator@6.0.0 runtime dependency closure — what installing the published package pulls in — 2 packages. Reachability is not analyzed.

AI Readiness

How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.

52Moderate · 4% of overall

Agent context & guidance

23At Risk
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
23/40Legible commit history — 25 of 58 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.431
agent_instruction_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

56Moderate
How it's scored
0/18One-command bootstrap
22/22Automated tests
11/11Lint / format config — eslint.config.mjs, package.json ("prettier")
11/11Static type checking — tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 58
0/8Automated maintenance — no automated dependency updates observed
2/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 2
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configyes
typecheck_configstsconfig.json
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0

Code legibility for models

100Exceptional
How it's scored
45/45Type-checkable code — TypeScript (statically typed)
55/55Manageable file sizes — 0/49 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes20,075
source_files_sampled49
oversized_source_files0

Key facts

6GitHub stars
2contributors
2commits, last 12 months
40days since last push
8releases
1bus factor
0open issues
npmpackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token

More detail

OpenSSF Scorecard 4.6 / 10
4.6aggregate

Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).Scorecard v5.5.0 · 2026-10-22 00:08 UTC

10Binary-Artifactsno binaries found in the repo
8Branch-Protectionbranch protection is not maximal on development and all release branches
1CI-Tests2 out of 14 merged PRs checked by a CI test -- score normalized to 1
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
4Code-ReviewFound 14/30 approved changesets -- score normalized to 4
3Contributorsproject has 1 contributing companies or organizations -- score normalized to 3
10Dangerous-Workflowno dangerous workflow patterns detected
0Dependency-Update-Toolno update tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
0Maintained1 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
10Packagingpackaging workflow detected
2Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 2
7SASTSAST tool detected but not run on all commits
10Security-Policysecurity policy file detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
0Vulnerabilities13 existing vulnerabilities detected
Direct dependencies 1
RegistryPackageVersion constraintManifest
npmdebug^4.4.3package.json
All dependencies 380

Full resolved dependency set from the GitHub dependency graph: 1 direct and 379 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
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npmindent-string5.0.0indirect
npmis-builtin-module5.0.0indirect
npmis-bun-module2.0.0indirect
npmis-extglob2.1.1indirect
npmis-glob4.0.3indirect
npmis-identifier1.1.0indirect
npmis-plain-obj4.1.0indirect
npmis-reference3.0.3indirect
npmisexe2.0.0indirect
npmjs-yaml4.3.2indirect
npmjs-yaml5.4.1indirect
npmjsep1.4.0indirect
npmjsesc3.1.0indirect
npmjson-buffer3.0.1indirect
npmjson-pointer0.6.2indirect
npmjson-schema-traverse0.4.1indirect
npmjson-schema-traverse1.0.0indirect
npmjson-stable-stringify-without-jsonify1.0.1indirect
npmjsonpath-plus10.4.0indirect
npmjsx-ast-utils-x0.1.0indirect
npmkatex0.16.47indirect
npmkeyv4.5.4indirect
npmlevn0.4.1indirect
npmlocate-character3.0.0indirect
npmlocate-path6.0.0indirect
npmlodash.merge4.6.2indirect
npmlongest-streak3.1.0indirect
npmlru-cache11.5.2indirect
npmmagic-string0.30.21indirect
npmmake-asynchronous1.1.0indirect
npmmarkdown-table3.0.4indirect
npmmdast-util-find-and-replace3.0.2indirect
npmmdast-util-from-markdown2.0.3indirect
npmmdast-util-frontmatter2.0.1indirect
npmmdast-util-gfm3.1.0indirect
npmmdast-util-gfm-autolink-literal2.0.1indirect
npmmdast-util-gfm-footnote2.1.0indirect
npmmdast-util-gfm-strikethrough2.0.0indirect
npmmdast-util-gfm-table2.0.0indirect
npmmdast-util-gfm-task-list-item2.0.0indirect
npmmdast-util-math3.0.0indirect
npmmdast-util-phrasing4.1.0indirect
npmmdast-util-to-markdown2.1.2indirect
npmmdast-util-to-string4.0.0indirect
npmmdn-data2.34.0indirect
npmmicromark4.0.2indirect
npmmicromark-core-commonmark2.0.3indirect
npmmicromark-extension-frontmatter2.0.0indirect
npmmicromark-extension-gfm3.0.0indirect
npmmicromark-extension-gfm-autolink-literal2.1.0indirect
npmmicromark-extension-gfm-footnote2.1.0indirect
npmmicromark-extension-gfm-strikethrough2.1.0indirect
npmmicromark-extension-gfm-table2.1.1indirect
npmmicromark-extension-gfm-tagfilter2.0.0indirect
npmmicromark-extension-gfm-task-list-item2.1.0indirect
npmmicromark-extension-math3.1.0indirect
npmmicromark-factory-destination2.0.1indirect
npmmicromark-factory-label2.0.1indirect
npmmicromark-factory-space2.0.1indirect
npmmicromark-factory-title2.0.1indirect
npmmicromark-factory-whitespace2.0.1indirect
npmmicromark-util-character2.1.1indirect
npmmicromark-util-chunked2.0.1indirect
npmmicromark-util-classify-character2.0.1indirect
npmmicromark-util-combine-extensions2.0.1indirect
npmmicromark-util-decode-numeric-character-reference2.0.2indirect
npmmicromark-util-decode-string2.0.1indirect
npmmicromark-util-encode2.0.1indirect
npmmicromark-util-html-tag-name2.0.1indirect
npmmicromark-util-normalize-identifier2.0.1indirect
npmmicromark-util-resolve-all2.0.1indirect
npmmicromark-util-sanitize-uri2.0.1indirect
npmmicromark-util-subtokenize2.1.0indirect
npmmicromark-util-symbol2.0.1indirect
npmmicromark-util-types2.0.2indirect
npmminimatch10.2.6indirect
npmminipass7.1.3indirect
npmms2.1.3indirect
npmnapi-postinstall0.3.4indirect
npmnatural-compare1.4.0indirect
npmnode-releases2.0.55indirect
npmoptionator0.9.4indirect
npmoxc-parser0.139.0indirect
npmp-event6.0.1indirect
npmp-limit3.1.0indirect
npmp-locate5.0.0indirect
npmp-timeout6.1.4indirect
npmpath-exists4.0.0indirect
npmpath-key3.1.1indirect
npmpath-scurry2.0.2indirect
npmpicocolors1.1.1indirect
npmpicomatch4.0.7indirect
npmpluralize8.0.0indirect
npmprelude-ls1.2.1indirect
npmprettier3.9.6indirect
npmprettier-plugin-packagejson3.0.2indirect
npmprettier-plugin-svelte4.1.1indirect
npmprettier-plugin-tailwindcss0.8.1indirect
npmpunycode2.3.1indirect
npmquote-js-string0.1.0indirect
npmrefa0.12.1indirect
npmregexp-ast-analysis0.7.1indirect
npmregexp-to-ast0.5.0indirect
npmregjsparser0.13.2indirect
npmrequire-from-string2.0.2indirect
npmreserved-identifiers1.2.0indirect
npmresolve-pkg-maps1.0.0indirect
npmscslre0.3.0indirect
npmsemver7.8.5indirect
npmshebang-command2.0.0indirect
npmshebang-regex3.0.0indirect
npmsort-object-keys2.1.0indirect
npmsort-package-json3.7.1indirect
npmsource-map-js1.2.1indirect
npmstable-hash-x0.2.0indirect
npmstrip-indent4.1.1indirect
npmsuper-regex1.1.0indirect
npmsvelte5.57.0indirect
npmtapable2.3.3indirect
npmtime-span5.1.0indirect
npmtinyglobby0.2.17indirect
npmts-api-utils2.5.0indirect
npmtslib2.8.1indirect
npmtype-check0.4.0indirect
npmtype-fest4.41.0indirect
npmtypescript6.0.3indirect
npmtypescript-eslint8.67.0indirect
npmundici6.28.1indirect
npmundici-types8.9.0indirect
npmunist-util-is6.0.1indirect
npmunist-util-remove-position5.0.0indirect
npmunist-util-stringify-position4.0.0indirect
npmunist-util-visit5.1.0indirect
npmunist-util-visit-parents6.0.2indirect
npmunrs-resolver1.12.2indirect
npmupdate-browserslist-db1.3.2indirect
npmuri-js4.4.1indirect
npmweb-worker1.5.0indirect
npmwhich2.0.2indirect
npmword-wrap1.2.5indirect
npmyaml2.9.0indirect
npmyaml-eslint-parser2.1.0indirect
npmyocto-queue0.1.0indirect
npmzimmerframe1.1.5indirect
npmzwitch2.0.4indirect
Dependency advisories 0

Installing npm:asyncerator@6.0.0 pulls in 2 packages, direct and transitive: 0 carry known advisories, of which 0 are direct dependencies.

No known advisories affect the assessed dependencies.

An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.

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Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.

Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v2.10.0, schema v0.34.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statistics — npm.