import * as crypto from "crypto"; export async function sleep(ms: number): Promise { return await new Promise(resolve => { setTimeout(() => resolve(), ms); }); } export abstract class WrappingError extends Error { public readonly cause?: Error; protected constructor(message: string, cause?: Error) { super(message); this.cause = cause; if (cause !== undefined) { this.stack = (this.stack || '') + `\n> Caused by: ${cause.stack}`; } } get name(): string { return this.constructor.name; } } export function cryptoRandomDictionary(size: number, dictionary: string): string { const randomBytes = crypto.randomBytes(size); const output = new Array(size); for (let i = 0; i < size; i++) { output[i] = dictionary[Math.floor((randomBytes[i] / 255) * dictionary.length)]; } return output.join(''); } export interface Type extends Function { new(...args: any[]): T }