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Package · npm

type-check

npm · v0.4.0 · MIT

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

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

Install

npm install type-check

Adoption

Downloads (30 days)
576.1M
Observeddownloads / 30 days
Popularity
Top 1% on npm
Derived99th percentile within npm
Dependents
1.6K
Observedpackages that depend on it
Maintenance
0.05
DerivedRelease cadence and recency, 0 to 1
Releases per year
0.9
6 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
−1.9% · 30d
Derived−11.3M downloads / 30 days, SEP 24 → OCT 24
90 days
+6.2% · 90d
Derived+33.5M downloads / 30 days, JUL 26 → OCT 24
1 year
+104.7% · 1y
Derived+294.7M downloads / 30 days, NOV 3 → OCT 24

Adoption historydownloads / 30 days · 111 observations

NOV 3, 2025: 281,418,228 downloads / 30 daysNOV 10, 2025: 283,203,053 downloads / 30 daysNOV 17, 2025: 285,469,409 downloads / 30 daysNOV 24, 2025: 279,652,050 downloads / 30 daysDEC 1, 2025: 285,957,367 downloads / 30 daysDEC 8, 2025: 293,279,538 downloads / 30 daysDEC 15, 2025: 296,212,710 downloads / 30 daysDEC 22, 2025: 289,480,933 downloads / 30 daysDEC 29, 2025: 255,995,719 downloads / 30 daysJAN 5, 2026: 225,831,550 downloads / 30 daysJAN 12, 2026: 218,869,035 downloads / 30 daysJAN 19, 2026: 230,981,196 downloads / 30 daysJAN 26, 2026: 261,627,316 downloads / 30 daysFEB 2, 2026: 298,492,393 downloads / 30 daysFEB 9, 2026: 313,163,714 downloads / 30 daysFEB 16, 2026: 312,783,658 downloads / 30 daysFEB 23, 2026: 320,476,638 downloads / 30 daysMAR 2, 2026: 330,424,462 downloads / 30 daysMAR 9, 2026: 341,415,144 downloads / 30 daysMAR 16, 2026: 354,290,813 downloads / 30 daysMAR 23, 2026: 367,346,817 downloads / 30 daysMAR 30, 2026: 387,300,703 downloads / 30 daysAPR 6, 2026: 394,964,278 downloads / 30 daysAPR 13, 2026: 409,552,191 downloads / 30 daysAPR 20, 2026: 435,636,319 downloads / 30 daysAPR 27, 2026: 453,304,473 downloads / 30 daysMAY 4, 2026: 469,151,310 downloads / 30 daysMAY 11, 2026: 492,426,009 downloads / 30 daysMAY 18, 2026: 505,114,034 downloads / 30 daysMAY 25, 2026: 509,866,269 downloads / 30 daysJUN 1, 2026: 513,632,370 downloads / 30 daysJUN 8, 2026: 499,927,353 downloads / 30 daysJUN 15, 2026: 482,258,003 downloads / 30 daysJUN 22, 2026: 489,158,223 downloads / 30 daysJUN 29, 2026: 477,198,528 downloads / 30 daysJUL 6, 2026: 496,786,807 downloads / 30 daysJUL 13, 2026: 515,619,191 downloads / 30 daysJUL 20, 2026: 521,451,215 downloads / 30 daysJUL 26, 2026: 542,628,324 downloads / 30 daysJUL 27, 2026: 555,988,802 downloads / 30 daysJUL 28, 2026: 570,173,844 downloads / 30 daysJUL 29, 2026: 573,279,915 downloads / 30 daysJUL 30, 2026: 575,577,062 downloads / 30 daysJUL 31, 2026: 575,113,650 downloads / 30 daysAUG 1, 2026: 565,852,476 downloads / 30 daysAUG 2, 2026: 560,375,753 downloads / 30 daysAUG 3, 2026: 574,277,300 downloads / 30 daysAUG 4, 2026: 589,518,928 downloads / 30 daysAUG 5, 2026: 593,233,041 downloads / 30 daysAUG 6, 2026: 591,886,128 downloads / 30 daysAUG 7, 2026: 591,819,749 downloads / 30 daysAUG 8, 2026: 581,992,666 downloads / 30 daysAUG 9, 2026: 573,787,841 downloads / 30 daysAUG 10, 2026: 586,519,400 downloads / 30 daysAUG 11, 2026: 611,652,952 downloads / 30 daysAUG 12, 2026: 613,621,154 downloads / 30 daysAUG 13, 2026: 615,138,400 downloads / 30 daysAUG 14, 2026: 592,409,864 downloads / 30 daysAUG 15, 2026: 582,736,511 downloads / 30 daysAUG 16, 2026: 575,186,683 downloads / 30 daysAUG 17, 2026: 586,781,648 downloads / 30 daysAUG 18, 2026: 601,112,366 downloads / 30 daysAUG 19, 2026: 604,268,088 downloads / 30 daysAUG 20, 2026: 605,174,995 downloads / 30 daysAUG 21, 2026: 603,834,665 downloads / 30 daysAUG 22, 2026: 592,984,851 downloads / 30 daysAUG 23, 2026: 584,488,352 downloads / 30 daysAUG 24, 2026: 597,693,660 downloads / 30 daysAUG 25, 2026: 611,591,241 downloads / 30 daysAUG 26, 2026: 613,065,864 downloads / 30 daysAUG 27, 2026: 613,700,152 downloads / 30 daysAUG 28, 2026: 611,837,935 downloads / 30 daysAUG 29, 2026: 600,204,156 downloads / 30 daysAUG 30, 2026: 591,508,446 downloads / 30 daysAUG 31, 2026: 602,749,613 downloads / 30 daysSEP 1, 2026: 617,181,643 downloads / 30 daysSEP 2, 2026: 620,866,352 downloads / 30 daysSEP 3, 2026: 595,566,143 downloads / 30 daysSEP 4, 2026: 594,047,213 downloads / 30 daysSEP 5, 2026: 586,301,006 downloads / 30 daysSEP 6, 2026: 576,970,000 downloads / 30 daysSEP 7, 2026: 564,293,890 downloads / 30 daysSEP 8, 2026: 551,593,759 downloads / 30 daysSEP 9, 2026: 554,449,866 downloads / 30 daysSEP 10, 2026: 556,035,048 downloads / 30 daysSEP 11, 2026: 554,920,951 downloads / 30 daysSEP 12, 2026: 543,162,198 downloads / 30 daysSEP 13, 2026: 557,705,488 downloads / 30 daysSEP 14, 2026: 572,552,669 downloads / 30 daysSEP 15, 2026: 559,427,343 downloads / 30 daysSEP 16, 2026: 563,439,177 downloads / 30 daysSEP 17, 2026: 564,051,129 downloads / 30 daysSEP 18, 2026: 563,867,436 downloads / 30 daysSEP 19, 2026: 555,877,673 downloads / 30 daysSEP 20, 2026: 550,360,949 downloads / 30 daysSEP 21, 2026: 565,057,437 downloads / 30 daysSEP 22, 2026: 580,000,427 downloads / 30 daysSEP 23, 2026: 584,101,217 downloads / 30 daysSEP 24, 2026: 587,421,868 downloads / 30 daysSEP 25, 2026: 588,426,601 downloads / 30 daysSEP 26, 2026: 578,309,084 downloads / 30 daysSEP 27, 2026: 571,808,858 downloads / 30 daysSEP 28, 2026: 589,921,293 downloads / 30 daysSEP 29, 2026: 608,175,499 downloads / 30 daysSEP 30, 2026: 615,877,256 downloads / 30 daysOCT 1, 2026: 621,357,482 downloads / 30 daysOCT 2, 2026: 621,673,244 downloads / 30 daysOCT 3, 2026: 638,703,196 downloads / 30 daysOCT 4, 2026: 632,187,673 downloads / 30 daysOCT 5, 2026: 632,187,673 downloads / 30 daysOCT 24, 2026: 576,097,867 downloads / 30 days
Table of observations (112)
Daydownloads / 30 daysDependents
OCT 24, 2026576,097,8671,646
OCT 5, 2026632,187,673Not observed
OCT 4, 2026632,187,673Not observed
OCT 3, 2026638,703,196Not observed
OCT 2, 2026621,673,244Not observed
OCT 1, 2026621,357,482Not observed
SEP 30, 2026615,877,256Not observed
SEP 29, 2026608,175,499Not observed
SEP 28, 2026589,921,293Not observed
SEP 27, 2026571,808,858Not observed
SEP 26, 2026578,309,084Not observed
SEP 25, 2026588,426,601Not observed
SEP 24, 2026587,421,868Not observed
SEP 23, 2026584,101,217Not observed
SEP 22, 2026580,000,427Not observed
SEP 21, 2026565,057,437Not observed
SEP 20, 2026550,360,949Not observed
SEP 19, 2026555,877,673Not observed
SEP 18, 2026563,867,436Not observed
SEP 17, 2026564,051,129Not observed
SEP 16, 2026563,439,177Not observed
SEP 15, 2026559,427,343Not observed
SEP 14, 2026572,552,669Not observed
SEP 13, 2026557,705,488Not observed
SEP 12, 2026543,162,198Not observed
SEP 11, 2026554,920,951Not observed
SEP 10, 2026556,035,048Not observed
SEP 9, 2026554,449,866Not observed
SEP 8, 2026551,593,759Not observed
SEP 7, 2026564,293,890Not observed
SEP 6, 2026576,970,000Not observed
SEP 5, 2026586,301,006Not observed
SEP 4, 2026594,047,213Not observed
SEP 3, 2026595,566,143Not observed
SEP 2, 2026620,866,352Not observed
SEP 1, 2026617,181,643Not observed
AUG 31, 2026602,749,613Not observed
AUG 30, 2026591,508,446Not observed
AUG 29, 2026600,204,156Not observed
AUG 28, 2026611,837,935Not observed
AUG 27, 2026613,700,152Not observed
AUG 26, 2026613,065,864Not observed
AUG 25, 2026611,591,241Not observed
AUG 24, 2026597,693,660Not observed
AUG 23, 2026584,488,352Not observed
AUG 22, 2026592,984,851Not observed
AUG 21, 2026603,834,665Not observed
AUG 20, 2026605,174,995Not observed
AUG 19, 2026604,268,088Not observed
AUG 18, 2026601,112,366Not observed
AUG 17, 2026586,781,648Not observed
AUG 16, 2026575,186,683Not observed
AUG 15, 2026582,736,511Not observed
AUG 14, 2026592,409,864Not observed
AUG 13, 2026615,138,400Not observed
AUG 12, 2026613,621,154Not observed
AUG 11, 2026611,652,952Not observed
AUG 10, 2026586,519,400Not observed
AUG 9, 2026573,787,841Not observed
AUG 8, 2026581,992,666Not observed
AUG 7, 2026591,819,749Not observed
AUG 6, 2026591,886,128Not observed
AUG 5, 2026593,233,041Not observed
AUG 4, 2026589,518,928Not observed
AUG 3, 2026574,277,300Not observed
AUG 2, 2026560,375,753Not observed
AUG 1, 2026565,852,476Not observed
JUL 31, 2026575,113,650Not observed
JUL 30, 2026575,577,062Not observed
JUL 29, 2026573,279,915Not observed
JUL 28, 2026570,173,844Not observed
JUL 27, 2026555,988,802Not observed
JUL 26, 2026542,628,324Not observed
JUL 20, 2026521,451,215Not observed
JUL 13, 2026515,619,191Not observed
JUL 6, 2026496,786,807Not observed
JUN 29, 2026477,198,528Not observed
JUN 22, 2026489,158,223Not observed
JUN 15, 2026482,258,003Not observed
JUN 8, 2026499,927,353Not observed
JUN 1, 2026513,632,370Not observed
MAY 25, 2026509,866,269Not observed
MAY 18, 2026505,114,034Not observed
MAY 11, 2026492,426,009Not observed
MAY 4, 2026469,151,310Not observed
APR 27, 2026453,304,473Not observed
APR 20, 2026435,636,319Not observed
APR 13, 2026409,552,191Not observed
APR 6, 2026394,964,278Not observed
MAR 30, 2026387,300,703Not observed
MAR 23, 2026367,346,817Not observed
MAR 16, 2026354,290,813Not observed
MAR 9, 2026341,415,144Not observed
MAR 2, 2026330,424,462Not observed
FEB 23, 2026320,476,638Not observed
FEB 16, 2026312,783,658Not observed
FEB 9, 2026313,163,714Not observed
FEB 2, 2026298,492,393Not observed
JAN 26, 2026261,627,316Not observed
JAN 19, 2026230,981,196Not observed
JAN 12, 2026218,869,035Not observed
JAN 5, 2026225,831,550Not observed
DEC 29, 2025255,995,719Not observed
DEC 22, 2025289,480,933Not observed
DEC 15, 2025296,212,710Not observed
DEC 8, 2025293,279,538Not observed
DEC 1, 2025285,957,367Not observed
NOV 24, 2025279,652,050Not observed
NOV 17, 2025285,469,409Not observed
NOV 10, 2025283,203,053Not observed
NOV 3, 2025281,418,228Not observed
OCT 27, 2025Not observedNot observed

Facts from the registry

Latest version
v0.4.0
6 versions
First published
SEP 29, 2013
Last release
APR 3, 2020
7y ago
Licence
MIT
Links
npm page
Homepage · github.com

Repository

Not in the Crest catalog

gkz/type-check

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 · v0.4.0

Runtime 1

  • prelude-ls^1.2.1

Related packages

No related package is in the catalog yet.

Related news

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