query-registry

query-registry

This package exports several functions to query the npm registry (or one of its mirrors) through one of its endpoints.

Features

• Provides functions to:
  • Get registry metadata
  • Get packuments (package documents)
  • Get package manifests
  • Get download counts (packages and registry)
  • Search packages
• Usable in the browser
• Fully typed API and response data
• Supports mirrors of the npm registry
• Supports caching network requests
• Well documented and tested

API & Package Info

• Explore the API on jsDocs.io
• View package contents on unpkg
• View repository on GitHub
• Read the changelog on GitHub

Install

Using npm:

npm i query-registry

Using yarn:

yarn add query-registry

Usage Examples

Get the metadata for the npm registry:

import { getRegistryMetadata } from 'query-registry';

(async () => {
    const metadata = await getRegistryMetadata();

    // Output: 'registry'
    console.log(metadata.db_name);
})();

Get the latest manifest for package query-registry from the npm registry:

import { getPackageManifest } from 'query-registry';

(async () => {
    const manifest = await getPackageManifest({ name: 'query-registry' });

    // Output: 'query-registry'
    console.log(manifest.name);
})();

Get the weekly downloads for package query-registry from the npm registry:

import { getPackageDownloads } from 'query-registry';

(async () => {
    const downloads = await getPackageDownloads({ name: 'query-registry' });

    // Output: 'query-registry'
    console.log(downloads.package);

    // Output: 'number'
    console.log(typeof downloads.downloads);
})();

Get the search results for text query query-registry from the npm registry:

import { searchPackages } from 'query-registry';

(async () => {
    const results = await searchPackages({
        query: { text: 'query-registry' },
    });

    // Output: 'query-registry'
    console.log(results.objects[0].package.name);
})();

Debug

Debug messages are available when the DEBUG environment variable is set to query-registry:

DEBUG="query-registry"

For more information, see the debug package.

License

MIT License

Copyright (c) 2021 Edoardo Scibona

See LICENSE file.