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Package · npm

side-channel

npm · v1.1.1 · MIT

Store information about any JS value in a side channel. Uses WeakMap if available.

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

Install

npm install side-channel

Adoption

Downloads (30 days)
648.2M
Observeddownloads / 30 days
Popularity
Top 1% on npm
Derived99th percentile within npm
Dependents
1.4K
Observedpackages that depend on it
Maintenance
0.41
DerivedRelease cadence and recency, 0 to 1
Releases per year
1.2
8 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
−4.4% · 30d
Derived−29.8M downloads / 30 days, SEP 24 → OCT 24
90 days
+9.2% · 90d
Derived+54.5M downloads / 30 days, JUL 26 → OCT 24
1 year
+119.9% · 1y
Derived+353.4M downloads / 30 days, NOV 3 → OCT 24

Adoption historydownloads / 30 days · 111 observations

NOV 3, 2025: 294,804,584 downloads / 30 daysNOV 10, 2025: 298,226,425 downloads / 30 daysNOV 17, 2025: 300,057,860 downloads / 30 daysNOV 24, 2025: 298,500,177 downloads / 30 daysDEC 1, 2025: 299,378,968 downloads / 30 daysDEC 8, 2025: 306,242,643 downloads / 30 daysDEC 15, 2025: 310,818,374 downloads / 30 daysDEC 22, 2025: 306,693,546 downloads / 30 daysDEC 29, 2025: 278,640,132 downloads / 30 daysJAN 5, 2026: 248,268,022 downloads / 30 daysJAN 12, 2026: 243,246,760 downloads / 30 daysJAN 19, 2026: 256,547,118 downloads / 30 daysJAN 26, 2026: 290,547,101 downloads / 30 daysFEB 2, 2026: 331,408,952 downloads / 30 daysFEB 9, 2026: 348,127,078 downloads / 30 daysFEB 16, 2026: 351,862,445 downloads / 30 daysFEB 23, 2026: 361,817,768 downloads / 30 daysMAR 2, 2026: 378,451,926 downloads / 30 daysMAR 9, 2026: 395,976,371 downloads / 30 daysMAR 16, 2026: 415,004,126 downloads / 30 daysMAR 23, 2026: 432,807,109 downloads / 30 daysMAR 30, 2026: 444,342,709 downloads / 30 daysAPR 6, 2026: 442,548,907 downloads / 30 daysAPR 13, 2026: 443,313,975 downloads / 30 daysAPR 20, 2026: 446,514,758 downloads / 30 daysAPR 27, 2026: 447,249,381 downloads / 30 daysMAY 4, 2026: 448,846,918 downloads / 30 daysMAY 11, 2026: 459,321,763 downloads / 30 daysMAY 18, 2026: 468,753,383 downloads / 30 daysMAY 25, 2026: 479,737,952 downloads / 30 daysJUN 1, 2026: 493,286,311 downloads / 30 daysJUN 8, 2026: 485,262,177 downloads / 30 daysJUN 15, 2026: 507,353,534 downloads / 30 daysJUN 22, 2026: 529,731,100 downloads / 30 daysJUN 29, 2026: 549,279,667 downloads / 30 daysJUL 6, 2026: 581,329,865 downloads / 30 daysJUL 13, 2026: 580,345,119 downloads / 30 daysJUL 20, 2026: 590,789,857 downloads / 30 daysJUL 26, 2026: 593,717,360 downloads / 30 daysJUL 27, 2026: 609,423,017 downloads / 30 daysJUL 28, 2026: 625,661,136 downloads / 30 daysJUL 29, 2026: 629,328,581 downloads / 30 daysJUL 30, 2026: 633,336,527 downloads / 30 daysJUL 31, 2026: 634,630,300 downloads / 30 daysAUG 1, 2026: 625,435,718 downloads / 30 daysAUG 2, 2026: 620,043,096 downloads / 30 daysAUG 3, 2026: 636,221,042 downloads / 30 daysAUG 4, 2026: 654,047,383 downloads / 30 daysAUG 5, 2026: 659,340,879 downloads / 30 daysAUG 6, 2026: 658,472,346 downloads / 30 daysAUG 7, 2026: 659,798,340 downloads / 30 daysAUG 8, 2026: 649,642,245 downloads / 30 daysAUG 9, 2026: 640,967,988 downloads / 30 daysAUG 10, 2026: 655,779,769 downloads / 30 daysAUG 11, 2026: 683,822,643 downloads / 30 daysAUG 12, 2026: 686,973,938 downloads / 30 daysAUG 13, 2026: 688,992,259 downloads / 30 daysAUG 14, 2026: 664,038,634 downloads / 30 daysAUG 15, 2026: 652,898,162 downloads / 30 daysAUG 16, 2026: 643,780,024 downloads / 30 daysAUG 17, 2026: 656,116,212 downloads / 30 daysAUG 18, 2026: 672,029,736 downloads / 30 daysAUG 19, 2026: 675,409,966 downloads / 30 daysAUG 20, 2026: 676,561,675 downloads / 30 daysAUG 21, 2026: 675,030,571 downloads / 30 daysAUG 22, 2026: 662,435,144 downloads / 30 daysAUG 23, 2026: 652,586,614 downloads / 30 daysAUG 24, 2026: 667,592,711 downloads / 30 daysAUG 25, 2026: 683,888,477 downloads / 30 daysAUG 26, 2026: 685,815,935 downloads / 30 daysAUG 27, 2026: 687,051,007 downloads / 30 daysAUG 28, 2026: 685,397,163 downloads / 30 daysAUG 29, 2026: 672,001,495 downloads / 30 daysAUG 30, 2026: 661,910,408 downloads / 30 daysAUG 31, 2026: 675,434,385 downloads / 30 daysSEP 1, 2026: 693,018,835 downloads / 30 daysSEP 2, 2026: 698,437,572 downloads / 30 daysSEP 3, 2026: 669,856,587 downloads / 30 daysSEP 4, 2026: 669,726,586 downloads / 30 daysSEP 5, 2026: 661,904,029 downloads / 30 daysSEP 6, 2026: 651,918,027 downloads / 30 daysSEP 7, 2026: 638,283,671 downloads / 30 daysSEP 8, 2026: 624,430,888 downloads / 30 daysSEP 9, 2026: 629,920,550 downloads / 30 daysSEP 10, 2026: 633,906,269 downloads / 30 daysSEP 11, 2026: 634,748,851 downloads / 30 daysSEP 12, 2026: 622,165,155 downloads / 30 daysSEP 13, 2026: 637,729,144 downloads / 30 daysSEP 14, 2026: 654,762,680 downloads / 30 daysSEP 15, 2026: 640,723,521 downloads / 30 daysSEP 16, 2026: 646,852,667 downloads / 30 daysSEP 17, 2026: 649,463,496 downloads / 30 daysSEP 18, 2026: 650,361,196 downloads / 30 daysSEP 19, 2026: 640,078,273 downloads / 30 daysSEP 20, 2026: 632,368,387 downloads / 30 daysSEP 21, 2026: 649,539,260 downloads / 30 daysSEP 22, 2026: 667,898,526 downloads / 30 daysSEP 23, 2026: 673,722,618 downloads / 30 daysSEP 24, 2026: 677,974,791 downloads / 30 daysSEP 25, 2026: 679,925,407 downloads / 30 daysSEP 26, 2026: 668,023,432 downloads / 30 daysSEP 27, 2026: 659,728,607 downloads / 30 daysSEP 28, 2026: 681,065,921 downloads / 30 daysSEP 29, 2026: 702,868,050 downloads / 30 daysSEP 30, 2026: 711,473,879 downloads / 30 daysOCT 1, 2026: 717,416,104 downloads / 30 daysOCT 2, 2026: 717,591,498 downloads / 30 daysOCT 3, 2026: 736,488,722 downloads / 30 daysOCT 4, 2026: 727,129,534 downloads / 30 daysOCT 5, 2026: 727,129,534 downloads / 30 daysOCT 24, 2026: 648,221,400 downloads / 30 days
Table of observations (116)
Daydownloads / 30 daysDependents
OCT 24, 2026648,221,4001,447
OCT 5, 2026727,129,534Not observed
OCT 4, 2026727,129,534Not observed
OCT 3, 2026736,488,722Not observed
OCT 2, 2026717,591,498Not observed
OCT 1, 2026717,416,104Not observed
SEP 30, 2026711,473,879Not observed
SEP 29, 2026702,868,050Not observed
SEP 28, 2026681,065,921Not observed
SEP 27, 2026659,728,607Not observed
SEP 26, 2026668,023,432Not observed
SEP 25, 2026679,925,407Not observed
SEP 24, 2026677,974,791Not observed
SEP 23, 2026673,722,618Not observed
SEP 22, 2026667,898,526Not observed
SEP 21, 2026649,539,260Not observed
SEP 20, 2026632,368,387Not observed
SEP 19, 2026640,078,273Not observed
SEP 18, 2026650,361,196Not observed
SEP 17, 2026649,463,496Not observed
SEP 16, 2026646,852,667Not observed
SEP 15, 2026640,723,521Not observed
SEP 14, 2026654,762,680Not observed
SEP 13, 2026637,729,144Not observed
SEP 12, 2026622,165,155Not observed
SEP 11, 2026634,748,851Not observed
SEP 10, 2026633,906,269Not observed
SEP 9, 2026629,920,550Not observed
SEP 8, 2026624,430,888Not observed
SEP 7, 2026638,283,671Not observed
SEP 6, 2026651,918,027Not observed
SEP 5, 2026661,904,029Not observed
SEP 4, 2026669,726,586Not observed
SEP 3, 2026669,856,587Not observed
SEP 2, 2026698,437,572Not observed
SEP 1, 2026693,018,835Not observed
AUG 31, 2026675,434,385Not observed
AUG 30, 2026661,910,408Not observed
AUG 29, 2026672,001,495Not observed
AUG 28, 2026685,397,163Not observed
AUG 27, 2026687,051,007Not observed
AUG 26, 2026685,815,935Not observed
AUG 25, 2026683,888,477Not observed
AUG 24, 2026667,592,711Not observed
AUG 23, 2026652,586,614Not observed
AUG 22, 2026662,435,144Not observed
AUG 21, 2026675,030,571Not observed
AUG 20, 2026676,561,675Not observed
AUG 19, 2026675,409,966Not observed
AUG 18, 2026672,029,736Not observed
AUG 17, 2026656,116,212Not observed
AUG 16, 2026643,780,024Not observed
AUG 15, 2026652,898,162Not observed
AUG 14, 2026664,038,634Not observed
AUG 13, 2026688,992,259Not observed
AUG 12, 2026686,973,938Not observed
AUG 11, 2026683,822,643Not observed
AUG 10, 2026655,779,769Not observed
AUG 9, 2026640,967,988Not observed
AUG 8, 2026649,642,245Not observed
AUG 7, 2026659,798,340Not observed
AUG 6, 2026658,472,346Not observed
AUG 5, 2026659,340,879Not observed
AUG 4, 2026654,047,383Not observed
AUG 3, 2026636,221,042Not observed
AUG 2, 2026620,043,096Not observed
AUG 1, 2026625,435,718Not observed
JUL 31, 2026634,630,300Not observed
JUL 30, 2026633,336,527Not observed
JUL 29, 2026629,328,581Not observed
JUL 28, 2026625,661,136Not observed
JUL 27, 2026609,423,017Not observed
JUL 26, 2026593,717,360Not observed
JUL 20, 2026590,789,857Not observed
JUL 13, 2026580,345,119Not observed
JUL 6, 2026581,329,865Not observed
JUN 29, 2026549,279,667Not observed
JUN 22, 2026529,731,100Not observed
JUN 15, 2026507,353,534Not observed
JUN 8, 2026485,262,177Not observed
JUN 1, 2026493,286,311Not observed
MAY 25, 2026479,737,952Not observed
MAY 18, 2026468,753,383Not observed
MAY 11, 2026459,321,763Not observed
MAY 4, 2026448,846,918Not observed
APR 27, 2026447,249,381Not observed
APR 20, 2026446,514,758Not observed
APR 13, 2026443,313,975Not observed
APR 6, 2026442,548,907Not observed
MAR 30, 2026444,342,709Not observed
MAR 23, 2026432,807,109Not observed
MAR 16, 2026415,004,126Not observed
MAR 9, 2026395,976,371Not observed
MAR 2, 2026378,451,926Not observed
FEB 23, 2026361,817,768Not observed
FEB 16, 2026351,862,445Not observed
FEB 9, 2026348,127,078Not observed
FEB 2, 2026331,408,952Not observed
JAN 26, 2026290,547,101Not observed
JAN 19, 2026256,547,118Not observed
JAN 12, 2026243,246,760Not observed
JAN 5, 2026248,268,022Not observed
DEC 29, 2025278,640,132Not observed
DEC 22, 2025306,693,546Not observed
DEC 15, 2025310,818,374Not observed
DEC 8, 2025306,242,643Not observed
DEC 1, 2025299,378,968Not observed
NOV 24, 2025298,500,177Not observed
NOV 17, 2025300,057,860Not observed
NOV 10, 2025298,226,425Not observed
NOV 3, 2025294,804,584Not observed
OCT 27, 2025Not observedNot observed
OCT 20, 2025Not observedNot observed
OCT 13, 2025Not observedNot observed
OCT 6, 2025Not observedNot observed
OCT 5, 2025Not observedNot observed

Facts from the registry

Latest version
v1.1.1
8 versions
First published
DEC 2, 2019
Last release
JUN 8, 2026
5mo ago
Licence
MIT
Links
npm page
Homepage · github.com
Source · github.com

Repository

Not in the Crest catalog

ljharb/side-channel

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 · v1.1.1

Runtime 5

  • es-errors^1.3.0
  • object-inspect^1.13.4
  • side-channel-list^1.0.1
  • side-channel-map^1.0.1
  • side-channel-weakmap^1.0.2

Related packages

No related package is in the catalog yet.

Related news

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