@babel/plugin-transform-duplicate-keys weekly downloads statistics

By babel (204 listings) · npm · Babel plugins

Compile objects with duplicate keys to valid strict ES5

View on npm Stale · Oct 16, 2026

@babel/plugin-transform-duplicate-keys has 22,521,225 recorded weekly downloads on npm.

It ranks #42 of 2,251 tracked npm listings by weekly downloads.

PluginStats has 2 daily observations since Oct 12, 2026; the latest is from Oct 16, 2026.

Weekly downloads: 22,521,225; Official API · Oct 16, 2026
7-day growth: —; Insufficient history
30-day growth: —; Insufficient history
90-day growth: —; Insufficient history
Rank: #42; Among tracked npm listings

About @babel/plugin-transform-duplicate-keys

@babel/plugin-transform-duplicate-keys

Compile objects with duplicate keys to valid strict ES5

See our website @babel/plugin-transform-duplicate-keys for more information.

Install

Using npm:

or using yarn:

Description from the npm listing.

babel-plugin

Where @babel/plugin-transform-duplicate-keys sits in the listing

Each band is one page of 20. Weekly downloads on a log scale. Placement is projected from weekly downloads, so it can differ from the marketplace's own sort order. Hover a dot to see the listing.

All npm2,248 listings · 113 pages · page 3, #2 (overall #42)

All npm: every listing in weekly downloads order

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Babel plugins251 listings · 13 pages · page 2, #11 (overall #31)

Babel plugins: every listing in weekly downloads order

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Charts

Images: 30d · 1y · all time · 1600×900 dark

Adoption over time

@babel/plugin-transform-duplicate-keys weekly downloads on npm, last 90 days: 22,521,225 weekly downloads as of Oct 16, 2026.

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7/30/90-day growth

@babel/plugin-transform-duplicate-keys weekly downloads growth on npm: 7-day growth unavailable, 30-day growth unavailable, 90-day growth unavailable.

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Ranking history

@babel/plugin-transform-duplicate-keys npm ranking history: currently #42 (by weekly downloads).

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Filled points are observed values; hollow points come from Internet Archive snapshots of the listing page. Dashed segments span periods with no observations — values between points are not interpolated.

Recent observations

Full history (2)

Recent weekly downloads observations for @babel/plugin-transform-duplicate-keys
Date (UTC)	Weekly downloads	Change vs. previous	Source	Precision
Oct 16, 2026	22,521,225	-17.4M	Official API	Exact
Oct 12, 2026	39,910,215	—	Official API	Exact

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Data source

Weekly downloads (trailing 7 complete days) come from the official npm downloads API. Downloads include CI and mirrors and are not equivalent to installs or users. npm publishes no ratings.

Listing: https://www.npmjs.com/package/@babel/plugin-transform-duplicate-keys. First seen Oct 16, 2026; last successful collection Oct 18, 2026. See the methodology.