@baqhub/sdk
Version:
The official JavaScript SDK for the BAQ federated app platform.
24 lines (23 loc) • 854 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.findStableTimestamp = findStableTimestamp;
function simpleHash(source) {
let hash = 0;
for (let i = 0; i < source.length; i++) {
const charCode = source.charCodeAt(i);
hash += charCode;
}
return hash;
}
function findStableTimestamp(seed, maxDays) {
const buffer = 10;
const period = maxDays - buffer;
const hash = simpleHash(seed) % period;
const now = Date.now();
const daysSinceEpoch = Math.floor(now / 86400000);
const position = daysSinceEpoch % period;
const daysAfterStart = position > hash ? hash + period : hash;
const daysToAdd = daysAfterStart - position;
const daysToAddTotal = daysToAdd < buffer ? daysToAdd + period : daysToAdd;
return (daysSinceEpoch + daysToAddTotal) * 86400000;
}