Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-07 23:37 UTC

appcues / snabbdom-virtualize

Library for turning strings and DOM nodes into virtual DOM nodes compatible with snabbdom.

JavaScriptMIT★ 37 stars⑂ 11 forkssince Feb 2016View on GitHub ↗

appcues/snabbdom-virtualize holds a health index of 30 out of 100, placing it in the At Risk band. It scores highest on Sustainability & Governance (54/100) and lowest on Vitality (27/100). It was last updated 290 days ago. A single contributor accounts for most of its recent work.

30
overall / 100
At Risk

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.

30
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 40 is calibrated to 35 on the published index scale (record calibration 2026-08-02).

Ownership

AppcuesOrganization · verified domain
21 followers123 public repossince Sep 2013

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

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publish
npm@appcues/snabbdom-virtualize1.1.032,3483290 days ago

Metrics by category

Vitality

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

27At Risk · 21% of overall
How it's scored
3.6/36Push recencylast push 290 days ago
0.7/36Commit cadence1/52 weeks with commits
6.3/18Commit volume4 commits in the last year
0/10OpenSSF Scorecard: Maintained0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
Inputs used
commits_last_year4
human_commit_share1
days_since_last_push290
active_weeks_last_year1
How it's scored
27/27Ships releases12 releases published
0/36Release recencylatest release 3,331 days ago
19.8/27Release cadencea release every ~59.2 days
0/10OpenSSF Scorecard: Signed-Releasesno data
Inputs used
releases_count12
latest_release_tagv0.7.0
releases_from_tagsno
days_since_latest_release3,331
mean_days_between_releases59.2
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?

51Moderate · 17% of overall
How it's scored
25.2/60Stars37 stars
8.3/25Forks11 forks
4.3/15Watchers7 watchers
Inputs used
forks11
stars37
watchers7
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history
How it's scored
22.5/22.5README
22.5/22.5Licenserecognized 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_badges1
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_servicestravis-ci.org
has_pull_request_templateno
How it's scored
60.1/80Monthly downloads32,348 downloads/month across npm
0/20Registry dependentsnot reported by this ecosystem
Inputs used
packages@appcues/snabbdom-virtualize
dependents
ecosystemsnpm
total_downloads
monthly_downloads32,348
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?

54Moderate · 23% of overall
How it's scored
9/54Bus factor1 contributor(s) cover half of all commits
3/22.5Commit distributiontop contributor authored 87% of commits
9.5/13.5Contributor breadth7 contributors
10/10OpenSSF Scorecard: Contributorsproject has 3 contributing companies or organizations -- score normalized to 10
Inputs used
bus_factor1
contributors_sampled7
top_contributor_share0.867
How it's scored
16.8/42Issue resolution40% of issues closed
7.9/30PR acceptance22/84 decided PRs merged
0/13Newcomer PR acceptance0/1 first-time contributors' PRs merged in 30d
3/15OpenSSF Scorecard: Code-ReviewFound 6/21 approved changesets -- score normalized to 2
Inputs used
merged_prs22
open_issues6
closed_issues4
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d1
issue_closed_ratio0.4
closed_unmerged_prs62
first_time_authors_30d1
first_time_prs_merged_30d0
first_time_prs_decided_30d1
How it's scored
30/30Ownership backingorganization-owned
20/20Verified domain
9.7/25Owner reach21 followers of appcues
25/25Track record123 public repos, account ~13 yr old
Inputs used
followers21
owner_typeOrganization
is_verifiedyes
owner_loginappcues
public_repos123
account_age_days4,754
How it's scored
25/25Published & resolvable1 package(s) on npm
26/35Publish recencylatest publish 290 days ago
12/20Version history3 published versions
20/20Not deprecatedactive, not deprecated or yanked
Inputs used
packages@appcues/snabbdom-virtualize
ecosystemsnpm
any_deprecatedno
min_days_since_publish290

Engineering Quality

Are baseline engineering and documentation practices in place?

34At Risk · 19% of overall
How it's scored
0/24CI workflows
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests0 out of 9 merged PRs checked by a CI test -- score normalized to 0
Inputs used
has_cino
has_testsyes
has_editorconfigno
has_linter_configno
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?

36Weak · 16% of overall
How it's scored
7.5/7.5Binary-Artifactsno binaries found in the repo
0/7.5Branch-Protectionbranch protection not enabled on development/release branches
0/2.5CI-Tests0 out of 9 merged PRs checked by a CI test -- score normalized to 0
0/2.5CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
1.5/7.5Code-ReviewFound 6/21 approved changesets -- score normalized to 2
2.5/2.5Contributorsproject has 3 contributing companies or organizations -- score normalized to 10
0/10Dangerous-Workflowno data
0/7.5Dependency-Update-Toolno update tool detected
0/5Fuzzingproject is not fuzzed
2.5/2.5Licenselicense file detected
0/7.5Maintained0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
0/5Packagingno data
0/5Pinned-Dependenciesno data
0/5SASTSAST tool is not run on all commits -- score normalized to 0
0/5Security-Policysecurity policy file not detected
0/7.5Signed-Releasesno data
0/7.5Token-Permissionsno data
0/7.5Vulnerabilities86 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated13
scorecard_versionv5.5.0
checks_inconclusive5
scorecard_aggregate2
Excluded from scoring (no data or not applicable): Dangerous-Workflow, Packaging, Pinned-Dependencies, Signed-Releases, Token-Permissions. Remaining weights renormalized.

Dependency advisories

100Exceptional
How it's scored
35/35Direct dependencies free of known advisoriesno direct dependency carries a known advisory
25/25Indirect dependencies free of known advisoriesno indirect dependency carries a known advisory
0/40No advisories left outstandingno 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:@appcues/snabbdom-virtualize@1.1.0 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.

31At Risk · 4% of overall
How it's scored
0/45Agent instructionsno CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
11.4/40Legible commit history21 of 98 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url
legible_history_share0.214
agent_instruction_files
agent_instruction_max_bytes
How it's scored
0/18One-command bootstrap
22/22Automated tests
0/11Lint / format config
0/11Static type checking
10/10Reproducible environmentlockfile
0/10Demonstrated agent practiceno agent-authored commits among the last 98
0/8Automated maintenanceno automated dependency updates observed
0/10OpenSSF Scorecard: Pinned-Dependenciesno data
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageno
bootstrap_files
has_devcontainerno
has_linter_configno
typecheck_configs
agent_commit_share0
toolchain_manifests
dependency_bot_commit_share0
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Pinned-Dependencies. Remaining weights renormalized.
How it's scored
0/45Type-checkable codeJavaScript without a type-check config
55/55Manageable file sizes0/13 source files over 60KB
Inputs used
primary_languageJavaScript
largest_source_bytes7,283
source_files_sampled13
oversized_source_files0

Key facts

37GitHub stars
7contributors
4commits, last 12 months
290days since last push
12releases
1bus factor
6open issues
npmpackage ecosystems

Data collection warnings

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

More detail

Star and fork history 0 ★ / 11 ⇿
0Stars
11Forks
4Releases

When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.

02468101022016-062019-042022-02
Major 0Minor 2Patch 2

Each point covers 6 days.

OpenSSF Scorecard 2.0 / 10
2.0aggregate

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 · 2026-09-07 23:37 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
0CI-Tests0 out of 9 merged PRs checked by a CI test -- score normalized to 0
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
2Code-ReviewFound 6/21 approved changesets -- score normalized to 2
10Contributorsproject has 3 contributing companies or organizations -- score normalized to 10
n/aDangerous-Workflowno workflows found
0Dependency-Update-Toolno update tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
0Maintained0 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 0
n/aPackagingpackaging workflow not detected
n/aPinned-Dependenciesno dependencies found
0SASTSAST tool is not run on all commits -- score normalized to 0
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
n/aToken-PermissionsNo tokens found
0Vulnerabilities86 existing vulnerabilities detected
Direct dependencies 1
RegistryPackageVersion constraintManifest
npmhtml-parse-stringify2^2.0.2package.json
All dependencies 634

Full resolved dependency set from the GitHub dependency graph: 1 direct and 633 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

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npmnwmatcher1.4.4indirect
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npmobject-assign4.1.1indirect
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npmquerystring0.2.0indirect
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npmregenerator-runtime0.10.5indirect
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npmregexpu-core2.0.0indirect
npmregjsgen0.2.0indirect
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npmremove-trailing-separator1.1.0indirect
npmrepeat-element1.1.4indirect
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npmrequires-port1.0.0indirect
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npmright-align0.1.3indirect
npmrimraf2.4.3indirect
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npmripemd1600.2.0indirect
npmsafe-buffer5.1.2indirect
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npmsauce-connect-launcher0.13.0indirect
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npmsemver4.3.6indirect
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npmunbox-primitive1.0.1indirect
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npmunion-value1.0.1indirect
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npmuseragent2.3.0indirect
npmutf82.1.0indirect
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npmutil0.12.4indirect
npmutil-deprecate1.0.2indirect
npmutils-merge1.0.1indirect
npmuuid3.4.0indirect
npmv8flags2.1.1indirect
npmvargs0.1.0indirect
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npmwhatwg-encoding1.0.5indirect
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npmword-wrap1.2.3indirect
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npmwordwrap0.0.3indirect
npmwrappy1.0.2indirect
npmws1.0.1indirect
npmxml-name-validator2.0.1indirect
npmxmlhttprequest-ssl1.5.1indirect
npmxtend4.0.2indirect
npmyallist2.1.2indirect
npmyargs3.10.0indirect
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npmzip-stream0.5.2indirect
Dependency advisories 0

Installing npm:@appcues/snabbdom-virtualize@1.1.0 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.

Raw JSON report machine-readable

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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 statisticsnpm.