Function intervalStart

src/node/security/SecretRotator.ts:57–57

(t:number, interval:number)

// In JavaScript, the % operator is remainder, not modulus.
const mod = (a:number, n:number) => ((a % n) + n) % n;
const intervalStart = (t:number, interval:number) => t - mod(t, interval);

/**
 * Maintains an array of secrets across one or more Etherpad instances sharing the same database,