PluginStatsbabel-plugin-check-es2015-constants weekly downloads statistics
By babel (204 listings) · npm · Babel plugins
Compile ES2015 constants to ES5
babel-plugin-check-es2015-constants has 712,972 recorded weekly downloads on npm, a decrease of 48.0% over the past 30 days, ranking #227 of 2,322 tracked listings.
About babel-plugin-check-es2015-constants
babel-plugin-check-es2015-constants
Validate ES2015 constants (prevents reassignment of const variables).
Example
In
const a = 1;
a = 2;
Out
repl: "a" is read-only
1 | const a = 1;
> 2 | a = 2;
| ^
Installation
npm install --save-dev babel-plugin-check-es2015-constants
Usage
Via .babelrc (Recommended)
.babelrc
{
"plugins": ["check-es2015-constants"]
}
Via CLI
babel --plugins check-es2015-constants script.js
Via Node API
require("babel-core").transform("code", {
plugins: ["check-es2015-constants"]
});
Note
This check will only validate consts. If you need it to compile down to var then you must also install and enable transform-es2015-block-scoping.
Description from the npm listing.
- babel-plugin
README badge
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Charts
Images: 30d · 1y · all time · 1600×900 dark
Adoption over time
7/30/90-day growth
Ranking history
Listing placement
Listing placement
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.
Each band is one page of 20. Weekly downloads on a linear 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.
Recent observations
Full history (122)Similar npm Babel plugins plugins
All 20 babel-plugin-check-es2015-constants alternatives- 714.1K weekly downloads-48.1%
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- 721.9K weekly downloads-48.1%
- 704.1K weekly downloads-48.0%
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-check-es2015-constants. First seen Oct 16, 2026; last successful collection Oct 20, 2026. See the methodology.