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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 · 75 observations

JUL 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 (75)
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

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
23d 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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