-import Configuration from './Configuration';
-import { WebSocketCloseEventStatusString } from '../types/WebSocket';
-import { WorkerProcessType } from '../types/Worker';
import crypto from 'crypto';
import { v4 as uuid } from 'uuid';
return uuid();
}
+ public static equals(obj1: unknown, obj2: unknown): boolean {
+ return JSON.stringify(obj1) === JSON.stringify(obj2);
+ }
+
public static async sleep(milliSeconds: number): Promise<NodeJS.Timeout> {
- return new Promise((resolve) => setTimeout(resolve, milliSeconds));
+ return new Promise((resolve) => setTimeout(resolve as () => void, milliSeconds));
}
public static formatDurationMilliSeconds(duration: number): string {
duration = Utils.convertToInt(duration);
const hours = Math.floor(duration / (3600 * 1000));
- const minutes = Math.floor((duration / 1000 - (hours * 3600)) / 60);
- const seconds = duration / 1000 - (hours * 3600) - (minutes * 60);
+ const minutes = Math.floor((duration / 1000 - hours * 3600) / 60);
+ const seconds = duration / 1000 - hours * 3600 - minutes * 60;
let hoursStr = hours.toString();
let minutesStr = minutes.toString();
let secondsStr = seconds.toString();
result = value;
} else {
// Convert
- result = (value === 'true');
+ result = value === 'true';
}
}
return result;
throw new RangeError('Invalid interval');
}
const randomPositiveFloat = crypto.randomBytes(4).readUInt32LE() / 0xffffffff;
- const sign = (negative && randomPositiveFloat < 0.5) ? -1 : 1;
+ const sign = negative && randomPositiveFloat < 0.5 ? -1 : 1;
return sign * (randomPositiveFloat * (max - min) + min);
}
- public static getRandomInt(max: number, min = 0): number {
+ public static getRandomInteger(max: number, min = 0): number {
if (max < 0) {
throw new RangeError('Invalid interval');
}
return Utils.roundTo(Utils.getRandomFloat(max), scale);
}
- public static getRandomFloatFluctuatedRounded(staticValue: number, fluctuationPercent: number, scale = 2): number {
+ public static getRandomFloatFluctuatedRounded(
+ staticValue: number,
+ fluctuationPercent: number,
+ scale = 2
+ ): number {
if (fluctuationPercent === 0) {
return Utils.roundTo(staticValue, scale);
}
const fluctuationRatio = fluctuationPercent / 100;
- return Utils.getRandomFloatRounded(staticValue * (1 + fluctuationRatio), staticValue * (1 - fluctuationRatio), scale);
+ return Utils.getRandomFloatRounded(
+ staticValue * (1 + fluctuationRatio),
+ staticValue * (1 - fluctuationRatio),
+ scale
+ );
}
public static cloneObject<T>(object: T): T {
}
public static isIterable<T>(obj: T): boolean {
- if (obj) {
- return typeof obj[Symbol.iterator] === 'function';
- }
- return false;
+ return obj ? typeof obj[Symbol.iterator] === 'function' : false;
}
public static isString(value: unknown): boolean {
return typeof value === 'string';
}
+ public static isEmptyString(value: unknown): boolean {
+ return Utils.isString(value) && (value as string).length === 0;
+ }
+
public static isUndefined(value: unknown): boolean {
return typeof value === 'undefined';
}
public static isNullOrUndefined(value: unknown): boolean {
- // eslint-disable-next-line no-eq-null, eqeqeq
- if (value == null) {
- return true;
- }
- return false;
+ // eslint-disable-next-line eqeqeq, no-eq-null
+ return value == null ? true : false;
}
public static isEmptyArray(object: unknown): boolean {
return true;
}
- public static isEmptyObject(obj: Record<string, unknown>): boolean {
+ public static isEmptyObject(obj: object): boolean {
return !Object.keys(obj).length;
}
- public static insertAt = (str: string, subStr: string, pos: number): string => `${str.slice(0, pos)}${subStr}${str.slice(pos)}`;
+ public static insertAt = (str: string, subStr: string, pos: number): string =>
+ `${str.slice(0, pos)}${subStr}${str.slice(pos)}`;
/**
* @param [retryNumber=0]
return delay + randomSum;
}
- /**
- * Convert websocket error code to human readable string message
- *
- * @param code websocket error code
- * @returns human readable string message
- */
- public static getWebSocketCloseEventStatusString(code: number): string {
- if (code >= 0 && code <= 999) {
- return '(Unused)';
- } else if (code >= 1016) {
- if (code <= 1999) {
- return '(For WebSocket standard)';
- } else if (code <= 2999) {
- return '(For WebSocket extensions)';
- } else if (code <= 3999) {
- return '(For libraries and frameworks)';
- } else if (code <= 4999) {
- return '(For applications)';
- }
- }
- if (!Utils.isUndefined(WebSocketCloseEventStatusString[code])) {
- return WebSocketCloseEventStatusString[code] as string;
- }
- return '(Unknown)';
- }
-
- public static workerPoolInUse(): boolean {
- return [WorkerProcessType.DYNAMIC_POOL, WorkerProcessType.STATIC_POOL].includes(Configuration.getWorkerProcess());
- }
-
- public static workerDynamicPoolInUse(): boolean {
- return Configuration.getWorkerProcess() === WorkerProcessType.DYNAMIC_POOL;
+ public static async promiseWithTimeout<T>(
+ promise: Promise<T>,
+ timeoutMs: number,
+ timeoutError: Error,
+ timeoutCallback: () => void = () => {
+ /* This is intentional */
+ }
+ ): Promise<T> {
+ // Create a timeout promise that rejects in timeout milliseconds
+ const timeoutPromise = new Promise<never>((_, reject) => {
+ setTimeout(() => {
+ timeoutCallback();
+ reject(timeoutError);
+ }, timeoutMs);
+ });
+
+ // Returns a race between timeout promise and the passed promise
+ return Promise.race<T>([promise, timeoutPromise]);
}
/**