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Package · npm

legacy-javascript

npm · v0.0.1 · Apache-2.0

Identify legacy polyfills and code transforms.

Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work

Install

npm install legacy-javascript

Adoption

Downloads (30 days)
12.4M
Observeddownloads / 30 days
Popularity
Top 25% on npm
Derived75th percentile within npm
Dependents
Collectinghistory
Collecting
Maintenance
0.09
DerivedRelease cadence and recency, 0 to 1
Releases per year
365
1 version 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
+6.6% · 7d
Derived+773.4K downloads / 30 days, SEP 29 → OCT 6
30 days
+19.9% · 30d
Derived+2.1M downloads / 30 days, SEP 6 → OCT 6
90 days
+71.8% · 90d
Derived+5.2M downloads / 30 days, JUL 6 → OCT 6
1 year
+361.2% · 1y
Derived+9.7M downloads / 30 days, NOV 10 → OCT 6

Adoption historydownloads / 30 days · 110 observations

NOV 10, 2025: 2,689,922 downloads / 30 daysNOV 17, 2025: 2,707,729 downloads / 30 daysNOV 24, 2025: 2,706,180 downloads / 30 daysDEC 1, 2025: 2,693,337 downloads / 30 daysDEC 8, 2025: 2,728,534 downloads / 30 daysDEC 15, 2025: 2,764,698 downloads / 30 daysDEC 22, 2025: 2,767,183 downloads / 30 daysDEC 29, 2025: 2,583,822 downloads / 30 daysJAN 5, 2026: 2,359,689 downloads / 30 daysJAN 12, 2026: 2,369,150 downloads / 30 daysJAN 19, 2026: 2,426,265 downloads / 30 daysJAN 26, 2026: 2,705,701 downloads / 30 daysFEB 2, 2026: 3,065,538 downloads / 30 daysFEB 9, 2026: 3,231,293 downloads / 30 daysFEB 16, 2026: 3,198,143 downloads / 30 daysFEB 23, 2026: 3,291,517 downloads / 30 daysMAR 2, 2026: 3,477,863 downloads / 30 daysMAR 9, 2026: 3,604,898 downloads / 30 daysMAR 16, 2026: 3,826,539 downloads / 30 daysMAR 23, 2026: 4,165,535 downloads / 30 daysMAR 30, 2026: 4,286,174 downloads / 30 daysAPR 6, 2026: 4,307,412 downloads / 30 daysAPR 13, 2026: 4,480,401 downloads / 30 daysAPR 20, 2026: 4,606,460 downloads / 30 daysAPR 27, 2026: 4,846,407 downloads / 30 daysMAY 4, 2026: 5,262,472 downloads / 30 daysMAY 11, 2026: 5,831,600 downloads / 30 daysMAY 18, 2026: 6,413,228 downloads / 30 daysMAY 25, 2026: 7,010,229 downloads / 30 daysJUN 1, 2026: 7,495,845 downloads / 30 daysJUN 8, 2026: 7,285,607 downloads / 30 daysJUN 15, 2026: 7,394,730 downloads / 30 daysJUN 22, 2026: 7,411,361 downloads / 30 daysJUN 29, 2026: 6,960,797 downloads / 30 daysJUL 6, 2026: 7,222,394 downloads / 30 daysJUL 13, 2026: 7,134,900 downloads / 30 daysJUL 20, 2026: 7,379,949 downloads / 30 daysJUL 26, 2026: 7,633,811 downloads / 30 daysJUL 27, 2026: 7,876,610 downloads / 30 daysJUL 28, 2026: 8,118,399 downloads / 30 daysJUL 29, 2026: 8,493,598 downloads / 30 daysJUL 30, 2026: 8,598,640 downloads / 30 daysJUL 31, 2026: 8,656,931 downloads / 30 daysAUG 1, 2026: 8,599,810 downloads / 30 daysAUG 2, 2026: 8,571,968 downloads / 30 daysAUG 3, 2026: 8,833,914 downloads / 30 daysAUG 4, 2026: 9,110,542 downloads / 30 daysAUG 5, 2026: 9,227,376 downloads / 30 daysAUG 6, 2026: 9,239,348 downloads / 30 daysAUG 7, 2026: 9,307,643 downloads / 30 daysAUG 8, 2026: 9,247,091 downloads / 30 daysAUG 9, 2026: 9,183,651 downloads / 30 daysAUG 10, 2026: 9,431,216 downloads / 30 daysAUG 11, 2026: 9,851,455 downloads / 30 daysAUG 12, 2026: 9,950,629 downloads / 30 daysAUG 13, 2026: 10,035,532 downloads / 30 daysAUG 14, 2026: 9,702,340 downloads / 30 daysAUG 15, 2026: 9,610,932 downloads / 30 daysAUG 16, 2026: 9,532,553 downloads / 30 daysAUG 17, 2026: 9,715,930 downloads / 30 daysAUG 18, 2026: 9,952,830 downloads / 30 daysAUG 19, 2026: 10,025,488 downloads / 30 daysAUG 20, 2026: 10,080,155 downloads / 30 daysAUG 21, 2026: 10,087,668 downloads / 30 daysAUG 22, 2026: 9,966,556 downloads / 30 daysAUG 23, 2026: 9,873,019 downloads / 30 daysAUG 24, 2026: 10,105,954 downloads / 30 daysAUG 25, 2026: 10,344,040 downloads / 30 daysAUG 26, 2026: 10,396,963 downloads / 30 daysAUG 27, 2026: 10,442,740 downloads / 30 daysAUG 28, 2026: 10,472,102 downloads / 30 daysAUG 29, 2026: 10,340,773 downloads / 30 daysAUG 30, 2026: 10,255,975 downloads / 30 daysAUG 31, 2026: 10,464,774 downloads / 30 daysSEP 1, 2026: 10,746,405 downloads / 30 daysSEP 2, 2026: 10,865,617 downloads / 30 daysSEP 3, 2026: 10,442,320 downloads / 30 daysSEP 4, 2026: 10,471,657 downloads / 30 daysSEP 5, 2026: 10,438,444 downloads / 30 daysSEP 6, 2026: 10,346,191 downloads / 30 daysSEP 7, 2026: 10,112,180 downloads / 30 daysSEP 8, 2026: 9,867,973 downloads / 30 daysSEP 9, 2026: 9,939,771 downloads / 30 daysSEP 10, 2026: 10,020,072 downloads / 30 daysSEP 11, 2026: 10,035,432 downloads / 30 daysSEP 12, 2026: 9,862,938 downloads / 30 daysSEP 13, 2026: 10,133,213 downloads / 30 daysSEP 14, 2026: 10,398,875 downloads / 30 daysSEP 15, 2026: 10,169,900 downloads / 30 daysSEP 16, 2026: 10,295,372 downloads / 30 daysSEP 17, 2026: 10,341,073 downloads / 30 daysSEP 18, 2026: 10,361,783 downloads / 30 daysSEP 19, 2026: 10,203,709 downloads / 30 daysSEP 20, 2026: 10,081,775 downloads / 30 daysSEP 21, 2026: 10,351,875 downloads / 30 daysSEP 22, 2026: 10,635,794 downloads / 30 daysSEP 23, 2026: 10,754,966 downloads / 30 daysSEP 24, 2026: 10,894,007 downloads / 30 daysSEP 25, 2026: 11,012,006 downloads / 30 daysSEP 26, 2026: 10,913,070 downloads / 30 daysSEP 27, 2026: 10,848,963 downloads / 30 daysSEP 28, 2026: 11,238,840 downloads / 30 daysSEP 29, 2026: 11,631,327 downloads / 30 daysSEP 30, 2026: 11,824,804 downloads / 30 daysOCT 1, 2026: 11,996,878 downloads / 30 daysOCT 2, 2026: 12,059,778 downloads / 30 daysOCT 3, 2026: 12,453,878 downloads / 30 daysOCT 4, 2026: 12,404,731 downloads / 30 daysOCT 5, 2026: 12,109,047 downloads / 30 daysOCT 6, 2026: 12,404,731 downloads / 30 days
Table of observations (115)
Daydownloads / 30 daysDependents
OCT 6, 202612,404,731Not observed
OCT 5, 202612,109,047Not observed
OCT 4, 202612,404,731Not observed
OCT 3, 202612,453,878Not observed
OCT 2, 202612,059,778Not observed
OCT 1, 202611,996,878Not observed
SEP 30, 202611,824,804Not observed
SEP 29, 202611,631,327Not observed
SEP 28, 202611,238,840Not observed
SEP 27, 202610,848,963Not observed
SEP 26, 202610,913,070Not observed
SEP 25, 202611,012,006Not observed
SEP 24, 202610,894,007Not observed
SEP 23, 202610,754,966Not observed
SEP 22, 202610,635,794Not observed
SEP 21, 202610,351,875Not observed
SEP 20, 202610,081,775Not observed
SEP 19, 202610,203,709Not observed
SEP 18, 202610,361,783Not observed
SEP 17, 202610,341,073Not observed
SEP 16, 202610,295,372Not observed
SEP 15, 202610,169,900Not observed
SEP 14, 202610,398,875Not observed
SEP 13, 202610,133,213Not observed
SEP 12, 20269,862,938Not observed
SEP 11, 202610,035,432Not observed
SEP 10, 202610,020,072Not observed
SEP 9, 20269,939,771Not observed
SEP 8, 20269,867,973Not observed
SEP 7, 202610,112,180Not observed
SEP 6, 202610,346,191Not observed
SEP 5, 202610,438,444Not observed
SEP 4, 202610,471,657Not observed
SEP 3, 202610,442,320Not observed
SEP 2, 202610,865,617Not observed
SEP 1, 202610,746,405Not observed
AUG 31, 202610,464,774Not observed
AUG 30, 202610,255,975Not observed
AUG 29, 202610,340,773Not observed
AUG 28, 202610,472,102Not observed
AUG 27, 202610,442,740Not observed
AUG 26, 202610,396,963Not observed
AUG 25, 202610,344,040Not observed
AUG 24, 202610,105,954Not observed
AUG 23, 20269,873,019Not observed
AUG 22, 20269,966,556Not observed
AUG 21, 202610,087,668Not observed
AUG 20, 202610,080,155Not observed
AUG 19, 202610,025,488Not observed
AUG 18, 20269,952,830Not observed
AUG 17, 20269,715,930Not observed
AUG 16, 20269,532,553Not observed
AUG 15, 20269,610,932Not observed
AUG 14, 20269,702,340Not observed
AUG 13, 202610,035,532Not observed
AUG 12, 20269,950,629Not observed
AUG 11, 20269,851,455Not observed
AUG 10, 20269,431,216Not observed
AUG 9, 20269,183,651Not observed
AUG 8, 20269,247,091Not observed
AUG 7, 20269,307,643Not observed
AUG 6, 20269,239,348Not observed
AUG 5, 20269,227,376Not observed
AUG 4, 20269,110,542Not observed
AUG 3, 20268,833,914Not observed
AUG 2, 20268,571,968Not observed
AUG 1, 20268,599,810Not observed
JUL 31, 20268,656,931Not observed
JUL 30, 20268,598,640Not observed
JUL 29, 20268,493,598Not observed
JUL 28, 20268,118,399Not observed
JUL 27, 20267,876,610Not observed
JUL 26, 20267,633,811Not observed
JUL 20, 20267,379,949Not observed
JUL 13, 20267,134,900Not observed
JUL 6, 20267,222,394Not observed
JUN 29, 20266,960,797Not observed
JUN 22, 20267,411,361Not observed
JUN 15, 20267,394,730Not observed
JUN 8, 20267,285,607Not observed
JUN 1, 20267,495,845Not observed
MAY 25, 20267,010,229Not observed
MAY 18, 20266,413,228Not observed
MAY 11, 20265,831,600Not observed
MAY 4, 20265,262,472Not observed
APR 27, 20264,846,407Not observed
APR 20, 20264,606,460Not observed
APR 13, 20264,480,401Not observed
APR 6, 20264,307,412Not observed
MAR 30, 20264,286,174Not observed
MAR 23, 20264,165,535Not observed
MAR 16, 20263,826,539Not observed
MAR 9, 20263,604,898Not observed
MAR 2, 20263,477,863Not observed
FEB 23, 20263,291,517Not observed
FEB 16, 20263,198,143Not observed
FEB 9, 20263,231,293Not observed
FEB 2, 20263,065,538Not observed
JAN 26, 20262,705,701Not observed
JAN 19, 20262,426,265Not observed
JAN 12, 20262,369,150Not observed
JAN 5, 20262,359,689Not observed
DEC 29, 20252,583,822Not observed
DEC 22, 20252,767,183Not observed
DEC 15, 20252,764,698Not observed
DEC 8, 20252,728,534Not observed
DEC 1, 20252,693,337Not observed
NOV 24, 20252,706,180Not observed
NOV 17, 20252,707,729Not observed
NOV 10, 20252,689,922Not observed
NOV 3, 2025Not observedNot observed
OCT 27, 2025Not observedNot observed
OCT 20, 2025Not observedNot observed
OCT 13, 2025Not observedNot observed
OCT 6, 2025Not observedNot observed

Facts from the registry

Latest version
v0.0.1
1 version
First published
MAR 27, 2025
Last release
MAR 27, 2025
19mo ago
Licence
Apache-2.0
Links
npm page
Homepage · github.com
Source · github.com

Repository

In the Crest catalog

GoogleChrome/lighthouse

Automated auditing, performance metrics, and best practices for the web.

Stars
30.8K
Forks
9.8K
Language
JavaScript
Last push
24d ago
Last release
36d ago

Linked by the package’s own registry metadata.GitHub

Dependencies latest version · v0.0.1

No dependencies are recorded for the latest version.

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Related news

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