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Package · npm

once

npm · v1.4.0 · ISC

Run a function exactly one time

Not filed under any category yet: no assignment reached confidence 0.5.

Install

npm install once

Adoption

Downloads (30 days)
627.9M
Observeddownloads / 30 days
Popularity
Top 1% on npm
Derived99th percentile within npm
Dependents
3.7K
Observedpackages that depend on it
Maintenance
0.05
DerivedRelease cadence and recency, 0 to 1
Releases per year
1.7
7 versions over its life

Growth by period

Derived by Crest of Tech from two observations of npm’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.

7 days
Collectinghistory
Collecting
30 days
−0.2% · 30d
Derived−970.1K downloads / 30 days, SEP 24 → OCT 24
90 days
+14.6% · 90d
Derived+79.9M downloads / 30 days, JUL 26 → OCT 24
1 year
+97.3% · 1y
Derived+309.6M downloads / 30 days, NOV 3 → OCT 24

Adoption historydownloads / 30 days · 13 observations

SEP 24, 2026: 628,898,206 downloads / 30 daysSEP 25, 2026: 630,754,575 downloads / 30 daysSEP 26, 2026: 619,394,471 downloads / 30 daysSEP 27, 2026: 611,486,351 downloads / 30 daysSEP 28, 2026: 632,104,805 downloads / 30 daysSEP 29, 2026: 653,128,957 downloads / 30 daysSEP 30, 2026: 661,288,713 downloads / 30 daysOCT 1, 2026: 666,565,070 downloads / 30 daysOCT 2, 2026: 666,468,098 downloads / 30 daysOCT 3, 2026: 683,368,348 downloads / 30 daysOCT 4, 2026: 673,957,614 downloads / 30 daysOCT 5, 2026: 673,957,614 downloads / 30 daysOCT 24, 2026: 627,928,156 downloads / 30 days
Table of observations (13)
Daydownloads / 30 daysDependents
OCT 24, 2026627,928,1563,717
OCT 5, 2026673,957,614Not observed
OCT 4, 2026673,957,614Not observed
OCT 3, 2026683,368,348Not observed
OCT 2, 2026666,468,098Not observed
OCT 1, 2026666,565,070Not observed
SEP 30, 2026661,288,713Not observed
SEP 29, 2026653,128,957Not observed
SEP 28, 2026632,104,805Not observed
SEP 27, 2026611,486,351Not observed
SEP 26, 2026619,394,471Not observed
SEP 25, 2026630,754,575Not observed
SEP 24, 2026628,898,206Not observed

Facts from the registry

Latest version
v1.4.0
7 versions
First published
AUG 14, 2012
Last release
SEP 6, 2016
10y ago
Licence
ISC
Links
npm page
Homepage · github.com
Source · github.com

Repository

Not in the Crest catalog

isaacs/once

The catalog tracks GitHub repositories with more than 500 stars; this one has no Crest page, so its figures are not shown here.

Dependencies latest version · v1.4.0

Runtime 1

  • wrappy1

Related packages

No related package is in the catalog yet.

Related news

No published news event mentions this package or its repository yet.