Get Started

Package · npm

is-promise

npm · v4.0.0 · MIT

Test whether an object looks like a promises-a+ promise

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

Install

npm install is-promise

Adoption

Downloads (30 days)
352M
Observeddownloads / 30 days
Popularity
Top 10% on npm
Derived98th percentile within npm
Dependents
1K
Observedpackages that depend on it
Maintenance
0.07
DerivedRelease cadence and recency, 0 to 1
Releases per year
1.2
9 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
+4.7% · 30d
Derived+15.7M downloads / 30 days, SEP 24 → OCT 24
90 days
+28.3% · 90d
Derived+77.6M downloads / 30 days, JUL 26 → OCT 24
1 year
+258.0% · 1y
Derived+253.7M downloads / 30 days, NOV 3 → OCT 24

Adoption historydownloads / 30 days · 111 observations

NOV 3, 2025: 98,324,958 downloads / 30 daysNOV 10, 2025: 99,656,607 downloads / 30 daysNOV 17, 2025: 100,372,797 downloads / 30 daysNOV 24, 2025: 100,970,190 downloads / 30 daysDEC 1, 2025: 104,710,095 downloads / 30 daysDEC 8, 2025: 109,172,266 downloads / 30 daysDEC 15, 2025: 111,851,183 downloads / 30 daysDEC 22, 2025: 110,423,236 downloads / 30 daysDEC 29, 2025: 98,913,577 downloads / 30 daysJAN 5, 2026: 87,155,207 downloads / 30 daysJAN 12, 2026: 85,985,602 downloads / 30 daysJAN 19, 2026: 88,578,474 downloads / 30 daysJAN 26, 2026: 103,261,263 downloads / 30 daysFEB 2, 2026: 121,722,803 downloads / 30 daysFEB 9, 2026: 131,475,176 downloads / 30 daysFEB 16, 2026: 138,662,620 downloads / 30 daysFEB 23, 2026: 146,046,186 downloads / 30 daysMAR 2, 2026: 154,529,774 downloads / 30 daysMAR 9, 2026: 163,865,005 downloads / 30 daysMAR 16, 2026: 174,598,565 downloads / 30 daysMAR 23, 2026: 185,894,966 downloads / 30 daysMAR 30, 2026: 193,962,918 downloads / 30 daysAPR 6, 2026: 195,208,441 downloads / 30 daysAPR 13, 2026: 198,540,539 downloads / 30 daysAPR 20, 2026: 202,084,975 downloads / 30 daysAPR 27, 2026: 207,092,993 downloads / 30 daysMAY 4, 2026: 212,159,515 downloads / 30 daysMAY 11, 2026: 220,261,733 downloads / 30 daysMAY 18, 2026: 226,961,027 downloads / 30 daysMAY 25, 2026: 231,901,536 downloads / 30 daysJUN 1, 2026: 240,167,492 downloads / 30 daysJUN 8, 2026: 226,971,127 downloads / 30 daysJUN 15, 2026: 232,673,438 downloads / 30 daysJUN 22, 2026: 237,812,502 downloads / 30 daysJUN 29, 2026: 230,521,942 downloads / 30 daysJUL 6, 2026: 251,279,647 downloads / 30 daysJUL 13, 2026: 252,329,404 downloads / 30 daysJUL 20, 2026: 260,056,477 downloads / 30 daysJUL 26, 2026: 274,391,472 downloads / 30 daysJUL 27, 2026: 282,390,267 downloads / 30 daysJUL 28, 2026: 291,088,170 downloads / 30 daysJUL 29, 2026: 293,707,611 downloads / 30 daysJUL 30, 2026: 296,056,390 downloads / 30 daysJUL 31, 2026: 296,877,096 downloads / 30 daysAUG 1, 2026: 292,272,086 downloads / 30 daysAUG 2, 2026: 289,933,604 downloads / 30 daysAUG 3, 2026: 298,221,774 downloads / 30 daysAUG 4, 2026: 307,348,445 downloads / 30 daysAUG 5, 2026: 310,246,600 downloads / 30 daysAUG 6, 2026: 309,647,586 downloads / 30 daysAUG 7, 2026: 310,465,614 downloads / 30 daysAUG 8, 2026: 305,452,916 downloads / 30 daysAUG 9, 2026: 301,342,677 downloads / 30 daysAUG 10, 2026: 308,957,275 downloads / 30 daysAUG 11, 2026: 322,609,029 downloads / 30 daysAUG 12, 2026: 324,512,356 downloads / 30 daysAUG 13, 2026: 325,950,278 downloads / 30 daysAUG 14, 2026: 314,082,735 downloads / 30 daysAUG 15, 2026: 308,596,796 downloads / 30 daysAUG 16, 2026: 304,138,332 downloads / 30 daysAUG 17, 2026: 310,560,558 downloads / 30 daysAUG 18, 2026: 318,900,863 downloads / 30 daysAUG 19, 2026: 321,262,097 downloads / 30 daysAUG 20, 2026: 322,179,567 downloads / 30 daysAUG 21, 2026: 321,746,100 downloads / 30 daysAUG 22, 2026: 315,708,333 downloads / 30 daysAUG 23, 2026: 310,996,423 downloads / 30 daysAUG 24, 2026: 318,671,939 downloads / 30 daysAUG 25, 2026: 327,061,430 downloads / 30 daysAUG 26, 2026: 328,559,080 downloads / 30 daysAUG 27, 2026: 329,396,022 downloads / 30 daysAUG 28, 2026: 329,091,079 downloads / 30 daysAUG 29, 2026: 322,572,777 downloads / 30 daysAUG 30, 2026: 317,981,635 downloads / 30 daysAUG 31, 2026: 325,377,311 downloads / 30 daysSEP 1, 2026: 334,561,420 downloads / 30 daysSEP 2, 2026: 337,802,326 downloads / 30 daysSEP 3, 2026: 324,041,357 downloads / 30 daysSEP 4, 2026: 324,654,090 downloads / 30 daysSEP 5, 2026: 321,451,112 downloads / 30 daysSEP 6, 2026: 316,608,819 downloads / 30 daysSEP 7, 2026: 310,271,982 downloads / 30 daysSEP 8, 2026: 303,826,954 downloads / 30 daysSEP 9, 2026: 306,846,857 downloads / 30 daysSEP 10, 2026: 309,162,676 downloads / 30 daysSEP 11, 2026: 309,946,974 downloads / 30 daysSEP 12, 2026: 303,678,096 downloads / 30 daysSEP 13, 2026: 311,109,228 downloads / 30 daysSEP 14, 2026: 320,417,280 downloads / 30 daysSEP 15, 2026: 314,008,817 downloads / 30 daysSEP 16, 2026: 317,687,225 downloads / 30 daysSEP 17, 2026: 319,536,938 downloads / 30 daysSEP 18, 2026: 320,452,311 downloads / 30 daysSEP 19, 2026: 314,742,604 downloads / 30 daysSEP 20, 2026: 310,570,126 downloads / 30 daysSEP 21, 2026: 319,759,552 downloads / 30 daysSEP 22, 2026: 329,821,327 downloads / 30 daysSEP 23, 2026: 333,564,059 downloads / 30 daysSEP 24, 2026: 336,334,106 downloads / 30 daysSEP 25, 2026: 337,730,808 downloads / 30 daysSEP 26, 2026: 331,975,100 downloads / 30 daysSEP 27, 2026: 328,061,474 downloads / 30 daysSEP 28, 2026: 339,735,964 downloads / 30 daysSEP 29, 2026: 351,704,712 downloads / 30 daysSEP 30, 2026: 356,771,425 downloads / 30 daysOCT 1, 2026: 360,475,586 downloads / 30 daysOCT 2, 2026: 361,314,525 downloads / 30 daysOCT 3, 2026: 370,869,290 downloads / 30 daysOCT 4, 2026: 366,123,235 downloads / 30 daysOCT 5, 2026: 366,123,235 downloads / 30 daysOCT 24, 2026: 352,032,375 downloads / 30 days
Table of observations (112)
Daydownloads / 30 daysDependents
OCT 24, 2026352,032,3751,003
OCT 5, 2026366,123,235Not observed
OCT 4, 2026366,123,235Not observed
OCT 3, 2026370,869,290Not observed
OCT 2, 2026361,314,525Not observed
OCT 1, 2026360,475,586Not observed
SEP 30, 2026356,771,425Not observed
SEP 29, 2026351,704,712Not observed
SEP 28, 2026339,735,964Not observed
SEP 27, 2026328,061,474Not observed
SEP 26, 2026331,975,100Not observed
SEP 25, 2026337,730,808Not observed
SEP 24, 2026336,334,106Not observed
SEP 23, 2026333,564,059Not observed
SEP 22, 2026329,821,327Not observed
SEP 21, 2026319,759,552Not observed
SEP 20, 2026310,570,126Not observed
SEP 19, 2026314,742,604Not observed
SEP 18, 2026320,452,311Not observed
SEP 17, 2026319,536,938Not observed
SEP 16, 2026317,687,225Not observed
SEP 15, 2026314,008,817Not observed
SEP 14, 2026320,417,280Not observed
SEP 13, 2026311,109,228Not observed
SEP 12, 2026303,678,096Not observed
SEP 11, 2026309,946,974Not observed
SEP 10, 2026309,162,676Not observed
SEP 9, 2026306,846,857Not observed
SEP 8, 2026303,826,954Not observed
SEP 7, 2026310,271,982Not observed
SEP 6, 2026316,608,819Not observed
SEP 5, 2026321,451,112Not observed
SEP 4, 2026324,654,090Not observed
SEP 3, 2026324,041,357Not observed
SEP 2, 2026337,802,326Not observed
SEP 1, 2026334,561,420Not observed
AUG 31, 2026325,377,311Not observed
AUG 30, 2026317,981,635Not observed
AUG 29, 2026322,572,777Not observed
AUG 28, 2026329,091,079Not observed
AUG 27, 2026329,396,022Not observed
AUG 26, 2026328,559,080Not observed
AUG 25, 2026327,061,430Not observed
AUG 24, 2026318,671,939Not observed
AUG 23, 2026310,996,423Not observed
AUG 22, 2026315,708,333Not observed
AUG 21, 2026321,746,100Not observed
AUG 20, 2026322,179,567Not observed
AUG 19, 2026321,262,097Not observed
AUG 18, 2026318,900,863Not observed
AUG 17, 2026310,560,558Not observed
AUG 16, 2026304,138,332Not observed
AUG 15, 2026308,596,796Not observed
AUG 14, 2026314,082,735Not observed
AUG 13, 2026325,950,278Not observed
AUG 12, 2026324,512,356Not observed
AUG 11, 2026322,609,029Not observed
AUG 10, 2026308,957,275Not observed
AUG 9, 2026301,342,677Not observed
AUG 8, 2026305,452,916Not observed
AUG 7, 2026310,465,614Not observed
AUG 6, 2026309,647,586Not observed
AUG 5, 2026310,246,600Not observed
AUG 4, 2026307,348,445Not observed
AUG 3, 2026298,221,774Not observed
AUG 2, 2026289,933,604Not observed
AUG 1, 2026292,272,086Not observed
JUL 31, 2026296,877,096Not observed
JUL 30, 2026296,056,390Not observed
JUL 29, 2026293,707,611Not observed
JUL 28, 2026291,088,170Not observed
JUL 27, 2026282,390,267Not observed
JUL 26, 2026274,391,472Not observed
JUL 20, 2026260,056,477Not observed
JUL 13, 2026252,329,404Not observed
JUL 6, 2026251,279,647Not observed
JUN 29, 2026230,521,942Not observed
JUN 22, 2026237,812,502Not observed
JUN 15, 2026232,673,438Not observed
JUN 8, 2026226,971,127Not observed
JUN 1, 2026240,167,492Not observed
MAY 25, 2026231,901,536Not observed
MAY 18, 2026226,961,027Not observed
MAY 11, 2026220,261,733Not observed
MAY 4, 2026212,159,515Not observed
APR 27, 2026207,092,993Not observed
APR 20, 2026202,084,975Not observed
APR 13, 2026198,540,539Not observed
APR 6, 2026195,208,441Not observed
MAR 30, 2026193,962,918Not observed
MAR 23, 2026185,894,966Not observed
MAR 16, 2026174,598,565Not observed
MAR 9, 2026163,865,005Not observed
MAR 2, 2026154,529,774Not observed
FEB 23, 2026146,046,186Not observed
FEB 16, 2026138,662,620Not observed
FEB 9, 2026131,475,176Not observed
FEB 2, 2026121,722,803Not observed
JAN 26, 2026103,261,263Not observed
JAN 19, 202688,578,474Not observed
JAN 12, 202685,985,602Not observed
JAN 5, 202687,155,207Not observed
DEC 29, 202598,913,577Not observed
DEC 22, 2025110,423,236Not observed
DEC 15, 2025111,851,183Not observed
DEC 8, 2025109,172,266Not observed
DEC 1, 2025104,710,095Not observed
NOV 24, 2025100,970,190Not observed
NOV 17, 2025100,372,797Not observed
NOV 10, 202599,656,607Not observed
NOV 3, 202598,324,958Not observed
OCT 27, 2025Not observedNot observed

Facts from the registry

Latest version
v4.0.0
9 versions
First published
DEC 23, 2012
Last release
APR 27, 2020
6y ago
Licence
MIT
Links
npm page
Homepage · github.com
Source · github.com

Repository

Not in the Crest catalog

then/is-promise

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 · v4.0.0

No dependencies are recorded for the latest version.

Related packages

No related package is in the catalog yet.

Related news

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