-import chalk from 'chalk';
+import { getRandomValues } from 'node:crypto'
+
+import chalk from 'chalk'
export const sleep = async (milliSeconds: number): Promise<NodeJS.Timeout> => {
- return new Promise<NodeJS.Timeout>((resolve) => setTimeout(resolve as () => void, milliSeconds));
-};
+ return await new Promise<NodeJS.Timeout>(resolve =>
+ setTimeout(resolve as () => void, milliSeconds)
+ )
+}
export const defaultExitHandler = (code: number): void => {
if (code === 0) {
- console.info(chalk.green('Worker exited successfully'));
+ console.info(chalk.green('Worker exited successfully'))
} else if (code === 1) {
- console.info(chalk.green('Worker terminated successfully'));
+ console.info(chalk.green('Worker terminated successfully'))
} else if (code > 1) {
- console.error(chalk.red(`Worker exited with exit code: ${code.toString()}`));
+ console.error(chalk.red(`Worker exited with exit code: ${code.toString()}`))
}
-};
+}
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 getRandomValues(new Uint32Array(1))[0] / 0x100000000
+}