ecency-mobile/src/utils/reputation.js
2019-06-04 10:23:46 +03:00

25 lines
667 B
JavaScript

export const getReputation = reputation => {
if (reputation === null) return reputation;
let _reputation = String(parseInt(reputation, 10));
const neg = _reputation.charAt(0) === '-';
_reputation = neg ? _reputation.substring(1) : _reputation;
const str = _reputation;
const leadingDigits = parseInt(str.substring(0, 4), 10);
const log = Math.log(leadingDigits) / Math.log(10);
const n = str.length - 1;
let out = n + (log - parseInt(log, 10));
// eslint-disable-next-line no-restricted-globals
if (isNaN(out)) out = 0;
out = Math.max(out - 9, 0);
out *= neg ? -1 : 1;
out = out * 9 + 25;
out = parseInt(out, 10);
return out;
};