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Updated rank calculation logic in calculateRank.js and added detailed… #4201

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Updated rank calculation logic in calculateRank.js and added detailed… #4201

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Empty file added docs/rank-calculation.md
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10 changes: 4 additions & 6 deletions src/calculateRank.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,19 +28,16 @@ function log_normal_cdf(x) {
* @param {number} params.prs The number of pull requests.
* @param {number} params.issues The number of issues.
* @param {number} params.reviews The number of reviews.
* @param {number} params.repos Total number of repos.
* @param {number} params.stars The number of stars.
* @param {number} params.followers The number of followers.
* @returns {{level: string, percentile: number}}} The users rank.
* @returns {{level: string, percentile: number}} The users rank.
*/
function calculateRank({
all_commits,
commits,
prs,
issues,
reviews,
// eslint-disable-next-line no-unused-vars
repos, // unused
stars,
followers,
}) {
Expand Down Expand Up @@ -78,10 +75,11 @@ function calculateRank({
FOLLOWERS_WEIGHT * log_normal_cdf(followers / FOLLOWERS_MEDIAN)) /
TOTAL_WEIGHT;

const level = LEVELS[THRESHOLDS.findIndex((t) => rank * 100 <= t)];
const levelIndex = THRESHOLDS.findIndex((t) => rank * 100 <= t);
const level = levelIndex !== -1 ? LEVELS[levelIndex] : LEVELS[LEVELS.length - 1];

return { level, percentile: rank * 100 };
}

export { calculateRank };
export default calculateRank;
export default calculateRank;