Public record
Software health reportschema 0.34.0 · metrics 2.10.0 · 2026-09-18 08:37 UTC

dazl-dev / isomorphic-worker

TypeScript · JavaScriptMIT★ 2 stars⑂ 1 forksince Dec 2022View on GitHub ↗
KindLibraryhow this is determined

dazl-dev/isomorphic-worker holds a health index of 51 out of 100, placing it in the Moderate band. It scores highest on Vitality (70/100) and lowest on Community & Adoption (33/100). It was last updated 55 days ago. A single contributor accounts for most of its recent work.

51
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.

51
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 51 is calibrated to 51 on the published index scale (record calibration 2026-08-02).

Ownership

dazl.devOrganization
5 followers11 public repossince Aug 2025

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

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npm@dazl/isomorphic-worker2.0.03,4641386 days agoworker-threadswebworkerweb-workerworkerthreads

Metrics by category

Vitality

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

70Good · 21% of overall

Development activity

76Good
How it's scored
18/36Push recency — last push 55 days ago
30.5/36Commit cadence — 44/52 weeks with commits
18/18Commit volume — 124 commits in the last year
10/10OpenSSF Scorecard: Maintained — 21 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year124
human_commit_share1
days_since_last_push55
active_weeks_last_year44

Release discipline

60Moderate
How it's scored
27/27Ships releases — 10 releases published
7.2/36Release recency — latest release 638 days ago
19.8/27Release cadence — a release every ~77.1 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count10
latest_release_tagv2.0.0
releases_from_tagsno
days_since_latest_release638
mean_days_between_releases77.1
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?

33At Risk · 17% of overall

Popularity & adoption

1Critical
How it's scored
0/60Stars — 2 stars
0/25Forks — 1 forks
0/15Watchers — 0 watchers
Inputs used
forks1
stars2
watchers0
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_badges0
has_contributingno
has_issue_templateno
has_code_of_conductno
readme_badge_services—
has_pull_request_templateno

Ecosystem adoption (downloads)

59Moderate
How it's scored
47.2/80Monthly downloads — 3,464 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packages@dazl/isomorphic-worker
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads3,464
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?

49Weak · 23% of overall

Maintainer resilience (bus factor)

26At Risk
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
7.2/22.5Commit distribution — top contributor authored 68% of commits
6.8/13.5Contributor breadth — 5 contributors
3/10OpenSSF Scorecard: Contributors — project has 1 contributing companies or organizations -- score normalized to 3
Inputs used
bus_factor1
contributors_sampled5
top_contributor_share0.678

Issue & PR responsiveness

67Good
How it's scored
0/42Issue resolution — no issues or no data
30/30PR acceptance — 19/19 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_prs19
open_issues0
closed_issues0
prs_merged_7d0
prs_decided_7d0
prs_merged_30d0
prs_decided_30d0
issue_closed_ratio—
closed_unmerged_prs0
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

46Weak
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
5.6/25Owner reach — 5 followers of dazl-dev
10.1/25Track record — 11 public repos, account ~1 yr old
Inputs used
followers5
owner_typeOrganization
is_verifiedno
owner_logindazl-dev
public_repos11
account_age_days409

Package maintenance

63Moderate
How it's scored
25/25Published & resolvable — 1 package(s) on npm
14/35Publish recency — latest publish 386 days ago
4/20Version history — 1 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packages@dazl/isomorphic-worker
ecosystemsnpm
any_deprecatedno
min_days_since_publish386

Engineering Quality

Are baseline engineering and documentation practices in place?

46Weak · 19% of overall

Engineering practices

50Moderate
How it's scored
24/24CI workflows — 2 workflow(s)
0/24Tests present
16/16Linter config — eslint.config.js
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — no data
Inputs used
has_ciyes
has_testsno
has_editorconfigno
has_linter_configyes
has_precommit_configno
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: CI-Tests. Remaining weights renormalized.

Documentation

40Weak
How it's scored
30/30README
0/25Documentation directory
0/15Documentation / homepage site
0/10Repository description
0/10Topics
10/10Wiki
Inputs used
topics—
has_wikiyes
homepage—
docs_site—
has_readmeyes
has_docs_dirno
has_descriptionno

Security

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

52Moderate · 16% of overall

Security posture

40Weak
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
4.5/7.5Branch-Protection — branch protection is not maximal on development and all 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
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
7.5/7.5Maintained — 21 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
0/5Packaging — no data
1.5/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 3
0/5SAST — no SAST tool detected
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
1.5/7.5Vulnerabilities — 8 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated15
scorecard_versionv5.5.0
checks_inconclusive3
scorecard_aggregate4
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
advisories8
affected_packages3
assessed_packages317
unassessed_packages0
affected_by_severityhigh 2, 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 317 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.

48Weak · 4% of overall

Agent context & guidance

40Weak
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
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_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

35Weak
How it's scored
0/18One-command bootstrap
0/22Automated tests
11/11Lint / format config — eslint.config.js
11/11Static type checking — packages/isomorphic-worker/src/tsconfig.json, packages/tests-both/src/tsconfig.json, packages/tests-browser-esm/src/tsconfig.json, packages/tests-node/src/tsconfig.json, tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 100
0/8Automated maintenance — no automated dependency updates observed
3/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 3
Inputs used
has_nixno
has_testsno
lockfilespackage-lock.json
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configyes
typecheck_configspackages/isomorphic-worker/src/tsconfig.json, packages/tests-both/src/tsconfig.json, packages/tests-browser-esm/src/tsconfig.json, packages/tests-node/src/tsconfig.json, tsconfig.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 — 0/24 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes4,101
source_files_sampled24
oversized_source_files0

Key facts

2GitHub stars
5contributors
124commits, last 12 months
55days since last push
10releases
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 4.0 / 10
4.0aggregate

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 · 2026-09-18 08:37 UTC

10Binary-Artifactsno binaries found in the repo
6Branch-Protectionbranch protection is not maximal on development and all 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
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
10Maintained21 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
n/aPackagingpackaging workflow not detected
3Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 3
0SASTno SAST tool detected
0Security-Policysecurity policy file not detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
2Vulnerabilities8 existing vulnerabilities detected
All dependencies 317

Full resolved dependency set from the GitHub dependency graph: 0 direct and 317 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
npm@dazl/create-disposables18.10.0indirect
npm@dazl/isomorphic-worker2.0.0indirect
npm@dazl/isomorphic-worker-tests-both2.0.0indirect
npm@dazl/isomorphic-worker-tests-browser-esm2.0.0indirect
npm@dazl/isomorphic-worker-tests-node2.0.0indirect
npm@eslint-community/eslint-utils4.10.1indirect
npm@eslint-community/regexpp4.12.2indirect
npm@eslint/config-array0.23.5indirect
npm@eslint/config-helpers0.7.0indirect
npm@eslint/core1.2.1indirect
npm@eslint/js10.0.1indirect
npm@eslint/object-schema3.0.5indirect
npm@eslint/plugin-kit0.7.2indirect
npm@file-services/path11.1.1indirect
npm@file-services/types11.1.1indirect
npm@humanfs/core0.19.2indirect
npm@humanfs/node0.16.8indirect
npm@humanfs/types0.15.0indirect
npm@humanwhocodes/module-importer1.0.1indirect
npm@humanwhocodes/retry0.4.3indirect
npm@jridgewell/gen-mapping0.3.13indirect
npm@jridgewell/resolve-uri3.1.2indirect
npm@jridgewell/source-map0.3.11indirect
npm@jridgewell/sourcemap-codec1.5.5indirect
npm@jridgewell/trace-mapping0.3.31indirect
npm@jsonjoy.com/base641.1.2indirect
npm@jsonjoy.com/base6417.67.0indirect
npm@jsonjoy.com/buffers1.2.1indirect
npm@jsonjoy.com/buffers17.67.0indirect
npm@jsonjoy.com/codegen1.0.0indirect
npm@jsonjoy.com/codegen17.67.0indirect
npm@jsonjoy.com/fs-core4.64.0indirect
npm@jsonjoy.com/fs-fsa4.64.0indirect
npm@jsonjoy.com/fs-node4.64.0indirect
npm@jsonjoy.com/fs-node-builtins4.64.0indirect
npm@jsonjoy.com/fs-node-to-fsa4.64.0indirect
npm@jsonjoy.com/fs-node-utils4.64.0indirect
npm@jsonjoy.com/fs-print4.64.0indirect
npm@jsonjoy.com/fs-snapshot4.64.0indirect
npm@jsonjoy.com/json-pack1.21.0indirect
npm@jsonjoy.com/json-pack17.67.0indirect
npm@jsonjoy.com/json-pointer1.0.2indirect
npm@jsonjoy.com/json-pointer17.67.0indirect
npm@jsonjoy.com/util1.9.0indirect
npm@jsonjoy.com/util17.67.0indirect
npm@playwright/browser-chromium1.62.0indirect
npm@types/chai5.2.3indirect
npm@types/deep-eql4.0.2indirect
npm@types/esrecurse4.3.1indirect
npm@types/estree1.0.9indirect
npm@types/html-minifier-terser6.1.0indirect
npm@types/json-schema7.0.15indirect
npm@types/mocha10.0.10indirect
npm@types/node24.13.3indirect
npm@typescript-eslint/eslint-plugin8.65.0indirect
npm@typescript-eslint/parser8.65.0indirect
npm@typescript-eslint/project-service8.65.0indirect
npm@typescript-eslint/scope-manager8.65.0indirect
npm@typescript-eslint/tsconfig-utils8.65.0indirect
npm@typescript-eslint/type-utils8.65.0indirect
npm@typescript-eslint/types8.65.0indirect
npm@typescript-eslint/typescript-estree8.65.0indirect
npm@typescript-eslint/utils8.65.0indirect
npm@typescript-eslint/visitor-keys8.65.0indirect
npm@webassemblyjs/ast1.14.1indirect
npm@webassemblyjs/floating-point-hex-parser1.13.2indirect
npm@webassemblyjs/helper-api-error1.13.2indirect
npm@webassemblyjs/helper-buffer1.14.1indirect
npm@webassemblyjs/helper-numbers1.13.2indirect
npm@webassemblyjs/helper-wasm-bytecode1.13.2indirect
npm@webassemblyjs/helper-wasm-section1.14.1indirect
npm@webassemblyjs/ieee7541.13.2indirect
npm@webassemblyjs/leb1281.13.2indirect
npm@webassemblyjs/utf81.13.2indirect
npm@webassemblyjs/wasm-edit1.14.1indirect
npm@webassemblyjs/wasm-gen1.14.1indirect
npm@webassemblyjs/wasm-opt1.14.1indirect
npm@webassemblyjs/wasm-parser1.14.1indirect
npm@webassemblyjs/wast-printer1.14.1indirect
npm@xtuc/ieee7541.2.0indirect
npm@xtuc/long4.2.2indirect
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npmacorn8.17.0indirect
npmacorn-jsx5.3.2indirect
npmajv6.15.0indirect
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npmajv-formats2.1.1indirect
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npmbuffer-from1.1.2indirect
npmbytes3.1.2indirect
npmcall-bind-apply-helpers1.0.2indirect
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npmcaniuse-lite1.0.30001806indirect
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npmchokidar5.0.0indirect
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npmglob-to-regex.js1.2.0indirect
npmgopd1.2.0indirect
npmgraceful-fs4.2.11indirect
npmhas-flag4.0.0indirect
npmhas-symbols1.1.0indirect
npmhasown2.0.4indirect
npmhe1.2.0indirect
npmhtml-minifier-terser6.1.0indirect
npmhtml-webpack-plugin5.6.7indirect
npmhtmlparser26.1.0indirect
npmhttp-errors2.0.1indirect
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npmmocha12.0.0-rc.5indirect
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npmms2.1.3indirect
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npmnegotiator1.0.0indirect
npmneo-async2.6.2indirect
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npmnode-releases2.0.51indirect
npmnth-check2.1.1indirect
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npmpackage-json-from-dist1.0.1indirect
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npmparseurl1.3.3indirect
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npmpath-key3.1.1indirect
npmpath-scurry2.0.2indirect
npmpath-to-regexp8.4.2indirect
npmpicocolors1.1.1indirect
npmpicomatch4.0.5indirect
npmplaywright-core1.62.0indirect
npmprelude-ls1.2.1indirect
npmprettier3.9.6indirect
npmpretty-error4.0.0indirect
npmproxy-addr2.0.7indirect
npmpunycode2.3.1indirect
npmqs6.15.3indirect
npmrange-parser1.3.0indirect
npmraw-body3.0.2indirect
npmreaddirp5.0.0indirect
npmrelateurl0.2.7indirect
npmrenderkid3.0.0indirect
npmrequire-from-string2.0.2indirect
npmrimraf6.1.3indirect
npmrouter2.2.0indirect
npmsafer-buffer2.1.2indirect
npmschema-utils4.3.3indirect
npmsemver7.8.5indirect
npmsend1.2.1indirect
npmserialize-javascript7.0.7indirect
npmserve-static2.2.1indirect
npmsetprototypeof1.2.0indirect
npmshebang-command2.0.0indirect
npmshebang-regex3.0.0indirect
npmside-channel1.1.1indirect
npmside-channel-list1.0.1indirect
npmside-channel-map1.0.1indirect
npmside-channel-weakmap1.0.2indirect
npmsource-map0.6.1indirect
npmsource-map-js1.2.1indirect
npmsource-map-loader5.0.0indirect
npmsource-map-support0.5.21indirect
npmstatuses2.0.2indirect
npmstrip-ansi6.0.1indirect
npmstrip-json-comments5.0.3indirect
npmsupports-color8.1.1indirect
npmtapable2.3.3indirect
npmterser5.49.0indirect
npmthingies2.6.0indirect
npmtinyglobby0.2.17indirect
npmtoidentifier1.0.1indirect
npmtree-dump1.1.0indirect
npmts-api-utils2.5.0indirect
npmtslib2.8.1indirect
npmtype-check0.4.0indirect
npmtype-is2.1.0indirect
npmtypescript6.0.3indirect
npmtypescript-eslint8.65.0indirect
npmundici-types7.18.2indirect
npmunicorn-magic0.3.0indirect
npmunpipe1.0.0indirect
npmupdate-browserslist-db1.2.3indirect
npmuri-js4.4.1indirect
npmutila0.4.0indirect
npmvary1.1.2indirect
npmwatchpack2.5.2indirect
npmwebpack5.109.0indirect
npmwebpack-dev-middleware8.0.4indirect
npmwebpack-sources3.5.1indirect
npmwhich2.0.2indirect
npmword-wrap1.2.5indirect
npmworkerpool10.0.3indirect
npmwrappy1.0.2indirect
npmyocto-queue0.1.0indirect
npmyocto-queue1.2.2indirect
Dependency advisories 3

This repository publishes no package the index resolves, so its own dependency graph was assessed — 317 packages, which also include development and test pins that never ship: 3 carry known advisories, of which 0 are direct.

PackageVersionRelationSeverityAdvisoriesFixed in
brace-expansion5.0.8indirecthigh15.0.9
fast-uri3.1.4indirecthigh54.1.3
qs6.15.3indirectmoderate26.16.0

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.