Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-10-14 16:05 UTC

JiangJie / happy-rusty

Rust's Option, Result, and sync primitives for JavaScript/TypeScript - Better error handling and null-safety patterns.

TypeScriptMIT★ 5 stars⑂ 0 forkssince Apr 2024View on GitHub ↗
KindLibraryhow this is determined
#err#none#ok#option#result#rust#some#controlflow#error-handling#lazy#mutex#null-safety#once#typescript#async#channel#concurrency#rwlock#fnonce#semaphore

JiangJie/happy-rusty holds a health index of 59 out of 100, placing it in the Moderate band. It scores highest on Vitality (83/100) and lowest on Community & Adoption (36/100). It was last updated 30 days ago. A single contributor accounts for most of its recent work.

59
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.

59
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 56 is calibrated to 59 on the published index scale (record calibration 2026-08-02).

Ownership

JarvisJiangPersonal account
122 followers27 public repossince Mar 2012@AlloyTeam

This repository is owned by a personal account. A single-owner project carries more continuity risk than an organization-backed one.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npmhappy-rusty1.10.13,1763038 days agorusttypescriptoptionsomenoneresultokerroncelazymutexrwlocksemaphorechannelcontrolflowfnonceerror-handlingnull-safetyasyncconcurrency

Metrics by category

Vitality

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

83Excellent · 21% of overall

Development activity

72Good
How it's scored
28.8/36Push recency — last push 30 days ago
15.2/36Commit cadence — 22/52 weeks with commits
18/18Commit volume — 209 commits in the last year
10/10OpenSSF Scorecard: Maintained — 19 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year209
human_commit_share1
days_since_last_push30
active_weeks_last_year22

Release discipline

100Exceptional
How it's scored
27/27Ships releases — 26 releases published
36/36Release recency — latest release 38 days ago
27/27Release cadence — a release every ~29 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count26
latest_release_tagv1.10.1
releases_from_tagsno
days_since_latest_release38
mean_days_between_releases29
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?

36Weak · 17% of overall

Popularity & adoption

10Critical
How it's scored
9.8/60Stars — 5 stars
0/25Forks — 0 forks
0/15Watchers — 1 watchers
Inputs used
forks0
stars5
watchers1
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_badges5
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_servicesbadgen.net, codecov.io, github.com, shields.io
has_pull_request_templateno

Ecosystem adoption (downloads)

58Moderate
How it's scored
46.7/80Monthly downloads — 3,176 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packageshappy-rusty
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads3,176
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?

40Weak · 23% of overall

Maintainer resilience (bus factor)

16Critical
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
0/22.5Commit distribution — top contributor authored 100% of commits
1.4/13.5Contributor breadth — 1 contributors
6/10OpenSSF Scorecard: Contributors — project has 2 contributing companies or organizations -- score normalized to 6
Inputs used
bus_factor1
contributors_sampled1
top_contributor_share1

Issue & PR responsiveness

1Critical
How it's scored
0/42Issue resolution — no issues or no data
0/30PR acceptance — 0/1 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
0/15OpenSSF Scorecard: Code-Review — Found 0/30 approved changesets -- score normalized to 0
Inputs used
merged_prs0
open_issues0
closed_issues0
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio—
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): Issue resolution, Newcomer PR acceptance. Remaining weights renormalized.

Ownership & stewardship

59Moderate
How it's scored
10/30Ownership backing — personal (user) account
0/20Verified domain — not applicable to user accounts
15/25Owner reach — 122 followers of JiangJie
22.5/25Track record — 27 public repos, account ~14 yr old
Inputs used
followers122
owner_typeUser
is_verified—
owner_loginJiangJie
public_repos27
account_age_days5,327
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on npm
35/35Publish recency — latest publish 38 days ago
20/20Version history — 30 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packageshappy-rusty
ecosystemsnpm
any_deprecatedno
min_days_since_publish38

Engineering Quality

Are baseline engineering and documentation practices in place?

60Moderate · 19% of overall

Engineering practices

60Moderate
How it's scored
24/24CI workflows — 5 workflow(s)
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — no data
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configno
has_precommit_configno
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: CI-Tests. Remaining weights renormalized.

Documentation

60Moderate
How it's scored
30/30README
0/25Documentation directory
0/15Documentation / homepage site
10/10Repository description
10/10Topics — 20 topics
10/10Wiki
Inputs used
topicserr, none, ok, option, result, rust, some, controlflow, error-handling, lazy, mutex, null-safety, once, typescript, async, channel, concurrency, rwlock, fnonce, semaphore
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?

54Moderate · 16% of overall

Security posture

43Weak
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — branch protection not enabled on development/release branches
0/2.5CI-Tests — no data
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0/7.5Code-Review — Found 0/30 approved changesets -- score normalized to 0
1.5/2.5Contributors — project has 2 contributing companies or organizations -- score normalized to 6
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
7.5/7.5Maintained — 19 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
0/5Packaging — no data
1/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 2
0/5SAST — no SAST tool detected
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — no data
7.5/7.5Token-Permissions — GitHub workflow tokens follow principle of least privilege
0.8/7.5Vulnerabilities — 9 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated15
scorecard_versionv5.5.0
checks_inconclusive3
scorecard_aggregate4.2
Excluded from scoring (no data or not applicable): CI-Tests, Packaging, 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
0/25Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories9
affected_packages5
assessed_packages283
unassessed_packages0
affected_by_severitycritical 1, high 3, moderate 1
direct_affected_packages0
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 283 resolved dependencies against OSV. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. 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.

77Good · 4% of overall

Agent context & guidance

85Excellent
How it's scored
45/45Agent instructions — AGENTS.md
0/15Machine-readable docs (llms.txt)
40/40Legible commit history — 100 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share1
agent_instruction_filesAGENTS.md
agent_instruction_max_bytes20,754

Verify loop (build / test / typecheck)

53Moderate
How it's scored
0/18One-command bootstrap
22/22Automated tests
0/11Lint / format config
11/11Static type checking — tsconfig.json
10/10Reproducible environment — lockfile
8/10Demonstrated agent practice — 4 of the last 100 commits agent-authored or agent-credited
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
lockfilespnpm-lock.yaml
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configno
typecheck_configstsconfig.json
agent_commit_share0.04
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 — 0/64 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes50,964
source_files_sampled64
oversized_source_files0

Machine-readable interfaces

100Exceptional
How it's scored
0/40API schema (OpenAPI/GraphQL/proto) — not applicable to this kind of software
0/20MCP server — not applicable to this kind of software
40/40Runnable examples — examples
Inputs used
example_dirsexamples
has_mcp_signalno
api_schema_files—
interfaces_expected_of—
Excluded from scoring (no data or not applicable): API schema (OpenAPI/GraphQL/proto), MCP server. Remaining weights renormalized.

Key facts

5GitHub stars
1contributors
209commits, last 12 months
30days since last push
26releases
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 4.2 / 10
4.2aggregate

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 · 2026-10-14 16:05 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
n/aCI-Testsno pull request found
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
0Code-ReviewFound 0/30 approved changesets -- score normalized to 0
6Contributorsproject has 2 contributing companies or organizations -- score normalized to 6
10Dangerous-Workflowno dangerous workflow patterns detected
0Dependency-Update-Toolno update tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained19 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
n/aPackagingpackaging workflow not detected
2Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 2
0SASTno SAST tool detected
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
10Token-PermissionsGitHub workflow tokens follow principle of least privilege
1Vulnerabilities9 existing vulnerabilities detected
All dependencies 283

Full resolved dependency set from the GitHub dependency graph: 0 direct and 283 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
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npmlightningcss-linux-arm64-musl1.33.0indirect
npmlightningcss-linux-x64-gnu1.33.0indirect
npmlightningcss-linux-x64-musl1.33.0indirect
npmlightningcss-win32-arm64-msvc1.33.0indirect
npmlightningcss-win32-x64-msvc1.33.0indirect
npmlinkify-it5.0.2indirect
npmlru-cache11.5.2indirect
npmlunr2.3.9indirect
npmlz-string1.5.0indirect
npmmagic-string0.30.21indirect
npmmagicast0.5.3indirect
npmmake-dir4.0.0indirect
npmmarkdown-it14.3.0indirect
npmmarked9.1.6indirect
npmmarked-terminal7.3.0indirect
npmmdurl2.1.0indirect
npmminimatch10.2.6indirect
npmmri1.2.0indirect
npmmrmime2.0.1indirect
npmmz2.7.0indirect
npmnanoid3.3.16indirect
npmnode-emoji2.2.0indirect
npmobject-assign4.1.1indirect
npmobug2.1.4indirect
npmoxfmt0.64.0indirect
npmoxlint1.79.0indirect
npmoxlint-tsgolint7.0.2001indirect
npmpackage-manager-detector1.8.0indirect
npmparse55.1.1indirect
npmparse56.0.1indirect
npmparse5-htmlparser2-tree-adapter6.0.1indirect
npmpathe2.0.3indirect
npmpicocolors1.1.1indirect
npmpicomatch4.0.5indirect
npmpngjs7.0.0indirect
npmpostcss8.5.25indirect
npmpretty-format27.5.1indirect
npmpublint0.3.24indirect
npmpunycode.js2.3.1indirect
npmreact-is17.0.2indirect
npmrequire-directory2.1.1indirect
npmrolldown1.1.5indirect
npmsade1.8.1indirect
npmsemver7.8.5indirect
npmsiginfo2.0.0indirect
npmsirv3.0.2indirect
npmskin-tone2.0.0indirect
npmsource-map-js1.2.1indirect
npmstackback0.0.2indirect
npmstd-env4.2.0indirect
npmstring-width4.2.3indirect
npmstrip-ansi6.0.1indirect
npmsupports-color7.2.0indirect
npmsupports-hyperlinks3.2.0indirect
npmthenify3.3.1indirect
npmthenify-all1.6.0indirect
npmtinybench2.9.0indirect
npmtinyexec1.2.4indirect
npmtinyexec1.3.1indirect
npmtinyglobby0.2.17indirect
npmtinypool2.1.0indirect
npmtinyrainbow3.1.1indirect
npmtotalist3.0.1indirect
npmtslib2.8.1indirect
npmtypedoc0.28.20indirect
npmtypescript5.6.1-rcindirect
npmtypescript6.0.3indirect
npmuc.micro2.1.0indirect
npmunicode-emoji-modifier-base1.0.0indirect
npmvalidate-npm-package-name5.0.1indirect
npmvite8.1.5indirect
npmvite-plus0.3.0indirect
npmvitest4.1.11indirect
npmwhy-is-node-running2.3.0indirect
npmwrap-ansi7.0.0indirect
npmws8.21.1indirect
npmy18n5.0.8indirect
npmyaml2.9.0indirect
npmyargs16.2.2indirect
npmyargs-parser20.2.9indirect
npmyuku-codegen0.5.48indirect
npmyuku-parser0.5.48indirect
Dependency advisories 5

This repository publishes no package the index resolves, so its own dependency graph was assessed — 283 packages, which also include development and test pins that never ship: 5 carry known advisories, of which 0 are direct.

PackageVersionRelationSeverityAdvisoriesFixed in
tinypool2.1.0indirectcritical22.1.2
brace-expansion5.0.8indirecthigh45.0.12
nanoid3.3.16indirecthigh15.1.6
source-map-js1.2.1indirecthigh11.2.2
markdown-it14.3.0indirectmoderate115.0.1

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 statistics — npm.