X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils%2FUtils.ts;h=bc957c24a497ce38e5d02da80b1e7d3931bdf027;hb=c2d3028f2593d516d2a4e0c8d2bb646f6052a392;hp=5035efdba22786f6f53e54cc1652073c9336e642;hpb=7558b3a6127e4c0541737e24a05c43a006d603c9;p=e-mobility-charging-stations-simulator.git diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts index 5035efdb..bc957c24 100644 --- a/src/utils/Utils.ts +++ b/src/utils/Utils.ts @@ -1,16 +1,24 @@ -import Configuration from './Configuration'; -import { WebSocketCloseEventStatusString } from '../types/WebSocket'; -import { WorkerProcessType } from '../types/Worker'; import crypto from 'crypto'; -import { v4 as uuid } from 'uuid'; + +import { WebSocketCloseEventStatusString } from '../types/WebSocket'; export default class Utils { + private constructor() { + // This is intentional + } + public static logPrefix(prefixString = ''): string { return new Date().toLocaleString() + prefixString; } public static generateUUID(): string { - return uuid(); + return crypto.randomUUID(); + } + + public static validateUUID(uuid: string): boolean { + return /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test( + uuid + ); } public static async sleep(milliSeconds: number): Promise { @@ -99,8 +107,8 @@ export default class Utils { return result; } - public static getRandomFloat(max: number, min = 0, negative = false): number { - if (max < min || min < 0 || max < 0) { + public static getRandomFloat(max = Number.MAX_VALUE, min = 0, negative = false): number { + if (max < min || max < 0 || min < 0) { throw new RangeError('Invalid interval'); } const randomPositiveFloat = crypto.randomBytes(4).readUInt32LE() / 0xffffffff; @@ -108,15 +116,12 @@ export default class Utils { return sign * (randomPositiveFloat * (max - min) + min); } - public static getRandomInteger(max: number, min = 0): number { - if (max < 0) { + public static getRandomInteger(max = Number.MAX_SAFE_INTEGER, min = 0): number { + if (max < min || max < 0 || min < 0) { throw new RangeError('Invalid interval'); } max = Math.floor(max); - if (min) { - if (max < min || min < 0) { - throw new RangeError('Invalid interval'); - } + if (!Utils.isNullOrUndefined(min) && min !== 0) { min = Math.ceil(min); return Math.floor(Utils.secureRandom() * (max - min + 1)) + min; } @@ -133,7 +138,7 @@ export default class Utils { return Math.trunc(numberValue * truncPower) / truncPower; } - public static getRandomFloatRounded(max: number, min = 0, scale = 2): number { + public static getRandomFloatRounded(max = Number.MAX_VALUE, min = 0, scale = 2): number { if (min) { return Utils.roundTo(Utils.getRandomFloat(max, min), scale); } @@ -169,7 +174,7 @@ export default class Utils { } public static isEmptyString(value: unknown): boolean { - return Utils.isString(value) && (value as string).length === 0; + return Utils.isString(value) && (value as string).trim().length === 0; } public static isUndefined(value: unknown): boolean { @@ -182,17 +187,25 @@ export default class Utils { } public static isEmptyArray(object: unknown): boolean { - if (!object) { - return true; + if (!Array.isArray(object)) { + return false; } - if (Array.isArray(object) && object.length > 0) { + if ((object as unknown[]).length > 0) { return false; } return true; } public static isEmptyObject(obj: object): boolean { - return !Object.keys(obj).length; + if (obj?.constructor !== Object) { + return false; + } + // Iterates over the keys of an object, if + // any exist, return false. + for (const _ in obj) { + return false; + } + return true; } public static insertAt = (str: string, subStr: string, pos: number): string => @@ -208,42 +221,6 @@ export default class Utils { 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( promise: Promise, timeoutMs: number, @@ -272,4 +249,49 @@ export default class Utils { public static secureRandom(): number { return crypto.randomBytes(4).readUInt32LE() / 0x100000000; } + + public static JSONStringifyWithMapSupport( + obj: Record | Record[], + space?: number + ): string { + return JSON.stringify( + obj, + (key, value: Record) => { + if (value instanceof Map) { + return { + dataType: 'Map', + value: [...value], + }; + } + return value; + }, + space + ); + } + + /** + * 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)'; + } }