Reverse calculated rank to distribution percentage in github-readme-stats

reverse.js

const debug = v => { console.log('debug', v); return v; }

// https://github.com/anuraghazra/github-readme-stats/blob/4e2f631f956a49efde2bc5883e5ce51891621c44/src/getStyles.js#L5
const reverseProgress = (progress) => {
  const radius = 40;
  const c = Math.PI * (radius * 2);

  return 100 * (progress / c)
}

// https://github.com/anuraghazra/github-readme-stats/blob/4e2f631f956a49efde2bc5883e5ce51891621c44/src/getStyles.js#L27
Promise
  .resolve(document.styleSheets[0].cssRules)
  .then(Array.from)
  .then(
    arr =>
      arr.find(rule => rule.name === 'rankAnimation')[1].style.strokeDashoffset
  )
  .then(reverseProgress)
  .then(distribution => `You are at the top ${distribution}%`);