+import { webcrypto } from 'node:crypto';
+
import chalk from 'chalk';
export const sleep = async (milliSeconds: number): Promise<NodeJS.Timeout> => {
- return new Promise((resolve) => setTimeout(resolve as () => void, milliSeconds));
+ return new Promise<NodeJS.Timeout>((resolve) => setTimeout(resolve as () => void, milliSeconds));
};
export const defaultExitHandler = (code: number): void => {
};
export const defaultErrorHandler = (error: Error): void => {
- console.error(chalk.red('Worker errored: ', error));
+ console.error(chalk.red('Worker errored: '), error);
+};
+
+export const randomizeDelay = (delay: number): number => {
+ const random = secureRandom();
+ const sign = random < 0.5 ? -1 : 1;
+ const randomSum = delay * 0.2 * random; // 0-20% of the delay
+ return delay + sign * randomSum;
+};
+
+/**
+ * Generates a cryptographically secure random number in the [0,1[ range
+ *
+ * @returns A number in the [0,1[ range
+ * @internal
+ */
+const secureRandom = (): number => {
+ return webcrypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000;
};