packagespy/index.js

A Node.js package to track and monitor npm package download statistics.

const axios = require('axios');

async function getTotalDownloads(packageName) {
    try {
        const response = await axios.get(`https://api.npmjs.org/downloads/point/last-month/${packageName}`);
        return response.data.downloads;
    } catch (error) {
        throw new Error(`Failed to fetch download statistics for ${packageName}`);
    }
}

async function getPackagesByAuthor(authorName) {
    try {
        const response = await axios.get(`https://registry.npmjs.org/-/v1/search?author=${authorName}&size=1000`);
        return response.data.objects.map(pkg => pkg.package.name);
    } catch (error) {
        throw new Error(`Failed to fetch packages by author ${authorName}`);
    }
}

async function getDownloadStatsForPackages(authorName) {
    try {
        const packageNames = await getPackagesByAuthor(authorName);
        const downloadStats = {};
        for (const packageName of packageNames) {
            downloadStats[packageName] = await getTotalDownloads(packageName);
        }
        return downloadStats;
    } catch (error) {
        throw new Error(`Failed to fetch download statistics for packages by author ${authorName}`);
    }
}

module.exports = {
    getTotalDownloads,
    getPackagesByAuthor,
    getDownloadStatsForPackages
};