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https://github.com/wooorm/npm-high-impact

The high-impact (popular) packages of npm
https://github.com/wooorm/npm-high-impact

high impact npm popular

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The high-impact (popular) packages of npm

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README 

        
# npm-high-impact



[![Build][build-badge]][build]

[![Coverage][coverage-badge]][coverage]

[![Downloads][downloads-badge]][downloads]

[![Size][size-badge]][size]



The high-impact (popular) packages of npm.



## Contents



* [What is this?](#what-is-this)

* [When should I use this?](#when-should-i-use-this)

* [Install](#install)

* [Use](#use)

* [API](#api)

  * [`npmHighImpact`](#npmhighimpact)

  * [`npmTopDependents`](#npmtopdependents)

  * [`npmTopDownloads`](#npmtopdownloads)

* [Data](#data)

* [Scripts](#scripts)

* [Types](#types)

* [Compatibility](#compatibility)

* [Related](#related)

* [Contribute](#contribute)

* [Security](#security)

* [License](#license)



## What is this?



This package exposes the names of popular packages on the public npm registry.

The definition of the term *popular* here is the same as what npm itself calls

*high-impact*.

They classify packages as having a high impact on the ecosystem when a package

meets one or more of the following conditions:



* download count of 1 000 000 or more per week

* depended on by 500 or more other packages



## When should I use this?



Please use this for fun experiments when researching the npm registry.



## Install



This package is [ESM only][esm].

In Node.js (version 16+), install with [npm][]:



```sh

npm install npm-high-impact

```



In Deno with [`esm.sh`][esmsh]:



```js

import {npmHighImpact} from 'https://esm.sh/npm-high-impact@1'

```



In browsers with [`esm.sh`][esmsh]:



```html



  import {npmHighImpact} from 'https://esm.sh/npm-high-impact@1?bundle'



```



## Use



```js

import {npmHighImpact} from 'npm-high-impact'



console.log(npmHighImpact.length)

console.log(npmHighImpact)

```



```js

8133

[

  'ansi-styles',

  'supports-color',

  'semver',

  'chalk',

  'debug',

  'has-flag',

  'tslib',

  'color-convert',

  'color-name',

  'ms',

  // …

]

```



## API



This package exports the identifiers [`npmHighImpact`][api-npm-high-impact],

[`npmTopDependents`][api-npm-top-dependents], and

[`npmTopDownloads`][api-npm-top-downloads].

There is no default export.



### `npmHighImpact`



List of top package names (`Array`).



Sorted by most downloaded first.

Includes (unique) packages from `npmTopDependents` and `npmTopDownloads`.



### `npmTopDependents`



List of package names that are depended on a lot (`Array`).



Sorted by most dependents first.



### `npmTopDownloads`



List of package names that are downloaded a lot (`Array`).



Sorted by most downloaded first.



## Data



> 👉 **Note**: not all of these packages are popular.

> There are some false-positives, such that download counts can be gamed, and

> that `libraries.io` sometimes thinks that a fork of webpack or so is actually

> webpack.



## Scripts



This repo includes several scripts to crawl different services.



###### All packages



`script/crawl-packages.js` follows an append-only database to find all the

changes to things in the npm registry.

We filter duplicates out, but still end up with ±2.5m “things”, which aren’t

all proper packages.

Later scripts will have to deal with them being missing.



The script takes like 12-18 hours to run (it finished somewhere at night).

But the good news is that it’s additive: so the next time you run it, it’ll

only pull in everything that changed since you last ran in.



It crawls [`replicate.npmjs.com`][npm-replicate].



###### Top downloads



`script/crawl-top-download-unscoped.js` and

`script/crawl-top-download-scoped.js` look for download counts of all ±4.1m

packages on the registry.

Later scripts can filter the complete list to get the top packages.

The script takes like 30 hours to run.

About 10 hours is spent on ±3.2m unscoped packages.

Another 8 or so on ±900k scoped packages (yes, sad).

After filtering, the interesting data would result in about 6k packages.



It crawls the npm [package download count API][npm-api].

Unscoped packages are crawled using the batch API to get 128 per request.

Scoped packages are crawled with 20 HTTP requests at a time, as there is no

batch API, and higher rates are limited by npm.



###### Top dependents



`script/crawl-top-dependent.js` looks for packages that are depended on by

500 or more other packages.

The script takes like 30 minutes to run and currently gets about 3 000

packages.



It crawls the `libraries.io` [project search API][libraries-io-api], whose

results can also [be browsed on the web][libraries-io-web].

Crawling stops paginating when a package is seen that is depended on by less

than 500 other packages.



You need an API key for `libraries.io`, see their API docs for more info.



## Types



This package is fully typed with [TypeScript][].

It exports no additional types.



## Compatibility



This package is at least compatible with all maintained versions of Node.js.

As of now, that is Node.js 16+.

It also works in Deno and modern browsers.



## Related



* [`npm-high-impact-cli`](https://github.com/rexxars/npm-high-impact-cli)

  — find the popular npm packages someone maintains

* [`npm-esm-vs-cjs`](https://github.com/wooorm/npm-esm-vs-cjs)

  — data on the share of ESM vs CJS on the public npm registry



## Contribute



Yes please!

See [How to Contribute to Open Source][contribute].



## Security



This package is safe.



## License



[MIT][license] © [Titus Wormer][author]



[build-badge]: https://github.com/wooorm/npm-high-impact/workflows/main/badge.svg



[build]: https://github.com/wooorm/npm-high-impact/actions



[coverage-badge]: https://img.shields.io/codecov/c/github/wooorm/npm-high-impact.svg



[coverage]: https://codecov.io/github/wooorm/npm-high-impact



[downloads-badge]: https://img.shields.io/npm/dm/npm-high-impact.svg



[downloads]: https://www.npmjs.com/package/npm-high-impact



[size-badge]: https://img.shields.io/bundlejs/size/npm-high-impact



[size]: https://bundlephobia.com/result?p=npm-high-impact



[npm]: https://docs.npmjs.com/cli/install



[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c



[esmsh]: https://esm.sh



[typescript]: https://www.typescriptlang.org



[contribute]: https://opensource.guide/how-to-contribute/



[license]: license



[author]: https://wooorm.com



[libraries-io-api]: https://libraries.io/api#project-search



[libraries-io-web]: https://libraries.io/search?platforms=npm&sort=dependents_count&order=desc



[npm-api]: https://github.com/npm/registry/blob/master/docs/download-counts.md



[npm-replicate]: https://github.com/npm/registry-follower-tutorial/blob/master/README.md



[api-npm-high-impact]: #npmhighimpact



[api-npm-top-dependents]: #npmtopdependents



[api-npm-top-downloads]: #npmtopdownloads