PorchlampFind the projects that leave the light on.2026-10-17

What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

For swimlane/ngx-datatable, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 17% of 12 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 1,714 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Key facts
Rank1,714 of 3,219
Score49.61
TierC
Median first reply—
14-day no-reply share17%
First-timer rankNot enough evidence to show under this lens.
EcosystemJavaScript
Window20 April to 17 October 2026

Composite

Rank
1,714 of 3,219
Score
49.61
Tier
C
Coverage
70% · Ceiling B
Quadrant
Nursery

Coordinates: leverage 45.7 (coverage 93%), friction 41.5 (coverage 46%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness72.825%
Criticality44.1100%
Governance64.265%
Rigor36.0100%
Accessibility14.370%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.Not shown: Insufficient sample size
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.16.7%66.71220 April to 17 October 2026primaryraw/pr_window/swimlane__ngx-datatable.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.Not shown: Insufficient sample size
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.Not shown: Insufficient sample size
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.81.9 hours (3.4 days)82.11019 April to 16 October 2026primaryraw/pr_window/swimlane__ngx-datatable.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.19555.1——primaryraw/dependents/swimlane__ngx-datatable.json
Monthly DownloadsDownloads from the package registry in a month.458,240 downloads a month42.0——primaryraw/downloads/npm__ngx-datatable.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.328932.9——primaryraw/github_meta/swimlane__ngx-datatable.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.Not shown: Insufficient sample size
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.No CLA or sign-off found85.0——primaryraw/governance/swimlane__ngx-datatable.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/swimlane__ngx-datatable.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/swimlane__ngx-datatable.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.6060.0——primaryraw/scorecard/swimlane__ngx-datatable.json
Substantive Review RateShare of decided pull requests that received a substantive review.0.0%0.01419 April to 16 October 2026primaryraw/pr_window/swimlane__ngx-datatable.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.Not shown: Insufficient sample size
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.14.3%28.67—primaryraw/author_history/swimlane__ngx-datatable.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/swimlane__ngx-datatable.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.Not shown: Insufficient sample size

Persona view

PersonaRankScoreTierStatus
Balanced1,714 of 3,21949.61CRated
First-timerNot enough evidence to show under this lens.
Career capitalThis repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systems801 of 1,27650.32CRated
AI-assisted2,304 of 3,69647.04CRated

Integrity

Snapshot
2026-10-17
Raw hash
08db90f5e526aa246029ddd9d5ace35d13d628690cd8c868e3428778a0dbc263

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/06.json, under the key swimlane/ngx-datatable.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). swimlane/ngx-datatable. Snapshot 2026-10-17. https://porchlamp.org/projects/swimlane/ngx-datatable/. CC BY 4.0.

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