breakdown NPM downloads by major version

script.js

const majors = {};
const minors = {};

let total = 0;

const table = document.querySelectorAll('div > ul.list.ml0.pl0')[1];
for (const row of table.childNodes.values()) {
    const downloadsCell = row.querySelector('.downloads');
    if (!downloadsCell) { continue; }
    const version = row.childNodes[0].innerText.split('.');
    const count = parseInt(row.querySelector('.downloads').innerText.replace(/,/g, ''));
    const major = version[0];
    const minor = version[1];
    
    majors[major] = majors[major] ?? 0;
    majors[major] += count;

    const minorKey = `${major}.${minor}.x`;
    minors[minorKey] = minors[minorKey] ?? 0;
    minors[minorKey] += count;
    
    total += count;
}

let majorStr = `\
| Major | Weekly DL # | User % |
| ----- | ----------- | ------ |
`;
for (const [v, c, p] of Object.entries(majors).map(([v, c]) => [v, c, (c / total) * 100])) {
    majorStr += `| ${v} | ${c.toLocaleString()} | ${Math.round(p * 100) / 100}% |\n`;
}
console.log(majorStr);


let minorStr = `\
| Minor | Weekly DL # | User % |
| ----- | ----------- | ------ |
`;
for (const [v, c, p] of Object.entries(minors).map(([v, c]) => [v, c, (c / total) * 100])) {
    minorStr += `| ${v} | ${c.toLocaleString()} | ${Math.round(p * 100) / 100}% |\n`;
}
console.log(minorStr);

note - open the version tab before pasting this script in