X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils%2FUtils.ts;h=aeed9b0fa44b4a073bff682583c95695cbb954ac;hb=8a4f882a2486682b72195ad978ec1d81604b452b;hp=808ef380d170b2a5a11acfeaa96e7d23b49e1040;hpb=8664faa4267611c6f15a5e0d7cd77c6ba72eb7ce;p=e-mobility-charging-stations-simulator.git diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts index 808ef380..aeed9b0f 100644 --- a/src/utils/Utils.ts +++ b/src/utils/Utils.ts @@ -1,5 +1,5 @@ -import { randomBytes, randomInt, randomUUID, webcrypto } from 'node:crypto'; -import { inspect } from 'node:util'; +import { getRandomValues, randomBytes, randomUUID } from 'node:crypto' +import { env, nextTick } from 'node:process' import { formatDuration, @@ -10,148 +10,154 @@ import { millisecondsToMinutes, millisecondsToSeconds, minutesToSeconds, - secondsToMilliseconds, -} from 'date-fns'; + secondsToMilliseconds +} from 'date-fns' +import { is } from 'rambda' -import { Constants } from './Constants'; -import { type TimestampedData, WebSocketCloseEventStatusString } from '../types'; +import { + type JsonType, + MapStringifyFormat, + type TimestampedData, + WebSocketCloseEventStatusString +} from '../types/index.js' export const logPrefix = (prefixString = ''): string => { - return `${new Date().toLocaleString()}${prefixString}`; -}; + return `${new Date().toLocaleString()}${prefixString}` +} -export const generateUUID = (): string => { - return randomUUID(); -}; +export const generateUUID = (): `${string}-${string}-${string}-${string}-${string}` => { + return randomUUID() +} -export const validateUUID = (uuid: string): boolean => { - return /^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test( - uuid, - ); -}; +export const validateUUID = ( + uuid: `${string}-${string}-${string}-${string}-${string}` +): uuid is `${string}-${string}-${string}-${string}-${string}` => { + 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) +} export const sleep = async (milliSeconds: number): Promise => { - return new Promise((resolve) => setTimeout(resolve as () => void, milliSeconds)); -}; + return await new Promise(resolve => + setTimeout(resolve as () => void, milliSeconds) + ) +} export const formatDurationMilliSeconds = (duration: number): string => { - duration = convertToInt(duration); - const days = Math.floor(duration / (24 * 3600 * 1000)); - const hours = Math.floor(millisecondsToHours(duration) - days * 24); + duration = convertToInt(duration) + if (duration < 0) { + throw new RangeError('Duration cannot be negative') + } + const days = Math.floor(duration / (24 * 3600 * 1000)) + const hours = Math.floor(millisecondsToHours(duration) - days * 24) const minutes = Math.floor( - millisecondsToMinutes(duration) - days * 24 * 60 - hoursToMinutes(hours), - ); + millisecondsToMinutes(duration) - days * 24 * 60 - hoursToMinutes(hours) + ) const seconds = Math.floor( millisecondsToSeconds(duration) - days * 24 * 3600 - hoursToSeconds(hours) - - minutesToSeconds(minutes), - ); + minutesToSeconds(minutes) + ) + if (days === 0 && hours === 0 && minutes === 0 && seconds === 0) { + return formatDuration({ seconds }, { zero: true }) + } return formatDuration({ days, hours, minutes, - seconds, - }); -}; + seconds + }) +} export const formatDurationSeconds = (duration: number): string => { - return formatDurationMilliSeconds(secondsToMilliseconds(duration)); -}; + return formatDurationMilliSeconds(secondsToMilliseconds(duration)) +} // More efficient time validation function than the one provided by date-fns -export const isValidTime = (date: unknown): boolean => { +export const isValidDate = (date: Date | number | undefined): date is Date | number => { if (typeof date === 'number') { - return !isNaN(date); + return !isNaN(date) } else if (isDate(date)) { - return !isNaN((date as Date).getTime()); + return !isNaN(date.getTime()) } - return false; -}; - -export const convertToDate = (value: Date | string | number | undefined): Date | undefined => { - if (isNullOrUndefined(value)) { - return value as undefined; + return false +} + +export const convertToDate = ( + value: Date | string | number | undefined | null +): Date | undefined => { + if (value == null) { + return undefined } if (isDate(value)) { - return value as Date; + return value } - if (isString(value) || typeof value === 'number') { - const valueToDate = new Date(value as string | number); + if (typeof value === 'string' || typeof value === 'number') { + const valueToDate = new Date(value) if (isNaN(valueToDate.getTime())) { - throw new Error(`Cannot convert to date: '${value as string | number}'`); + throw new Error(`Cannot convert to date: '${value}'`) } - return valueToDate; + return valueToDate } -}; +} export const convertToInt = (value: unknown): number => { - if (!value) { - return 0; + if (value == null) { + return 0 } - let changedValue: number = value as number; if (Number.isSafeInteger(value)) { - return value as number; + return value as number } if (typeof value === 'number') { - return Math.trunc(value); + return Math.trunc(value) } - if (isString(value)) { - changedValue = parseInt(value as string); + let changedValue: number = value as number + if (typeof value === 'string') { + changedValue = parseInt(value) } if (isNaN(changedValue)) { - throw new Error(`Cannot convert to integer: '${String(value)}'`); + throw new Error(`Cannot convert to integer: '${String(value)}'`) } - return changedValue; -}; + return changedValue +} export const convertToFloat = (value: unknown): number => { - if (!value) { - return 0; + if (value == null) { + return 0 } - let changedValue: number = value as number; - if (isString(value)) { - changedValue = parseFloat(value as string); + let changedValue: number = value as number + if (typeof value === 'string') { + changedValue = parseFloat(value) } if (isNaN(changedValue)) { - throw new Error(`Cannot convert to float: '${String(value)}'`); + throw new Error(`Cannot convert to float: '${String(value)}'`) } - return changedValue; -}; + return changedValue +} export const convertToBoolean = (value: unknown): boolean => { - let result = false; - if (value) { + let result = false + if (value != null) { // Check the type if (typeof value === 'boolean') { - return value; - } else if (isString(value) && ((value as string).toLowerCase() === 'true' || value === '1')) { - result = true; + return value + } else if (typeof value === 'string' && (value.toLowerCase() === 'true' || value === '1')) { + result = true } else if (typeof value === 'number' && value === 1) { - result = true; + result = true } } - return result; -}; + return result +} export const getRandomFloat = (max = Number.MAX_VALUE, min = 0): number => { if (max < min) { - throw new RangeError('Invalid interval'); + throw new RangeError('Invalid interval') } if (max - min === Infinity) { - throw new RangeError('Invalid interval'); + throw new RangeError('Invalid interval') } - return (randomBytes(4).readUInt32LE() / 0xffffffff) * (max - min) + min; -}; - -export const getRandomInteger = (max = Constants.MAX_RANDOM_INTEGER, min = 0): number => { - max = Math.floor(max); - if (!isNullOrUndefined(min) && min !== 0) { - min = Math.ceil(min); - return Math.floor(randomInt(min, max + 1)); - } - return Math.floor(randomInt(max + 1)); -}; + return (randomBytes(4).readUInt32LE() / 0xffffffff) * (max - min) + min +} /** * Rounds the given number to the given scale. @@ -162,154 +168,79 @@ export const getRandomInteger = (max = Constants.MAX_RANDOM_INTEGER, min = 0): n * @returns The rounded number. */ export const roundTo = (numberValue: number, scale: number): number => { - const roundPower = Math.pow(10, scale); - return Math.round(numberValue * roundPower * (1 + Number.EPSILON)) / roundPower; -}; + const roundPower = Math.pow(10, scale) + return Math.round(numberValue * roundPower * (1 + Number.EPSILON)) / roundPower +} export const getRandomFloatRounded = (max = Number.MAX_VALUE, min = 0, scale = 2): number => { - if (min) { - return roundTo(getRandomFloat(max, min), scale); + if (min !== 0) { + return roundTo(getRandomFloat(max, min), scale) } - return roundTo(getRandomFloat(max), scale); -}; + return roundTo(getRandomFloat(max), scale) +} export const getRandomFloatFluctuatedRounded = ( staticValue: number, fluctuationPercent: number, - scale = 2, + scale = 2 ): number => { if (fluctuationPercent < 0 || fluctuationPercent > 100) { throw new RangeError( - `Fluctuation percent must be between 0 and 100. Actual value: ${fluctuationPercent}`, - ); + `Fluctuation percent must be between 0 and 100. Actual value: ${fluctuationPercent}` + ) } if (fluctuationPercent === 0) { - return roundTo(staticValue, scale); + return roundTo(staticValue, scale) } - const fluctuationRatio = fluctuationPercent / 100; + const fluctuationRatio = fluctuationPercent / 100 return getRandomFloatRounded( staticValue * (1 + fluctuationRatio), staticValue * (1 - fluctuationRatio), - scale, - ); -}; - -export const extractTimeSeriesValues = (timeSeries: Array): number[] => { - return timeSeries.map((timeSeriesItem) => timeSeriesItem.value); -}; - -export const isObject = (item: unknown): boolean => { - return ( - isNullOrUndefined(item) === false && typeof item === 'object' && Array.isArray(item) === false - ); -}; - -type CloneableData = - | number - | string - | boolean - | null - | undefined - | Date - | CloneableData[] - | { [key: string]: CloneableData }; - -type FormatKey = (key: string) => string; - -const deepClone = ( - value: I, - formatKey?: FormatKey, - refs: Map = new Map(), -): O => { - const ref = refs.get(value); - if (ref !== undefined) { - return ref; - } - if (Array.isArray(value)) { - const clone: CloneableData[] = []; - refs.set(value, clone as O); - for (let i = 0; i < value.length; i++) { - clone[i] = deepClone(value[i], formatKey, refs); - } - return clone as O; - } - if (value instanceof Date) { - return new Date(value.valueOf()) as O; - } - if (typeof value !== 'object' || value === null) { - return value as unknown as O; - } - const clone: Record = {}; - refs.set(value, clone as O); - for (const key of Object.keys(value)) { - clone[typeof formatKey === 'function' ? formatKey(key) : key] = deepClone( - value[key], - formatKey, - refs, - ); - } - return clone as O; -}; - -export const cloneObject = (object: T): T => { - return deepClone(object as CloneableData) as T; -}; - -export const hasOwnProp = (object: unknown, property: PropertyKey): boolean => { - return isObject(object) && Object.hasOwn(object as object, property); -}; - -export const isCFEnvironment = (): boolean => { - return !isNullOrUndefined(process.env.VCAP_APPLICATION); -}; - -export const isIterable = (obj: T): boolean => { - return !isNullOrUndefined(obj) ? typeof obj[Symbol.iterator as keyof T] === 'function' : false; -}; + scale + ) +} -const isString = (value: unknown): boolean => { - return typeof value === 'string'; -}; +export const extractTimeSeriesValues = (timeSeries: TimestampedData[]): number[] => { + return timeSeries.map(timeSeriesItem => timeSeriesItem.value) +} -export const isEmptyString = (value: unknown): boolean => { - return isNullOrUndefined(value) || (isString(value) && (value as string).trim().length === 0); -}; +export const clone = (object: T): T => { + return structuredClone(object) +} -export const isNotEmptyString = (value: unknown): boolean => { - return isString(value) && (value as string).trim().length > 0; -}; +/** + * Detects whether the given value is an asynchronous function or not. + * + * @param fn - Unknown value. + * @returns `true` if `fn` was an asynchronous function, otherwise `false`. + * @internal + */ +export const isAsyncFunction = (fn: unknown): fn is (...args: unknown[]) => Promise => { + return is(Function, fn) && fn.constructor.name === 'AsyncFunction' +} -export const isUndefined = (value: unknown): boolean => { - return value === undefined; -}; +export const isObject = (value: unknown): value is object => { + return value != null && !Array.isArray(value) && is(Object, value) +} -export const isNullOrUndefined = (value: unknown): boolean => { - // eslint-disable-next-line eqeqeq, no-eq-null - return value == null; -}; +export const hasOwnProp = (value: unknown, property: PropertyKey): boolean => { + return isObject(value) && Object.hasOwn(value, property) +} -export const isEmptyArray = (object: unknown): boolean => { - return Array.isArray(object) && object.length === 0; -}; +export const isCFEnvironment = (): boolean => { + return env.VCAP_APPLICATION != null +} -export const isNotEmptyArray = (object: unknown): boolean => { - return Array.isArray(object) && object.length > 0; -}; +export const isNotEmptyString = (value: unknown): value is string => { + return typeof value === 'string' && value.trim().length > 0 +} -export const isEmptyObject = (obj: object): boolean => { - 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; -}; +export const isNotEmptyArray = (value: unknown): value is unknown[] => { + return Array.isArray(value) && value.length > 0 +} export const insertAt = (str: string, subStr: string, pos: number): string => - `${str.slice(0, pos)}${subStr}${str.slice(pos)}`; + `${str.slice(0, pos)}${subStr}${str.slice(pos)}` /** * Computes the retry delay in milliseconds using an exponential backoff algorithm. @@ -319,37 +250,10 @@ export const insertAt = (str: string, subStr: string, pos: number): string => * @returns delay in milliseconds */ export const exponentialDelay = (retryNumber = 0, delayFactor = 100): number => { - const delay = Math.pow(2, retryNumber) * delayFactor; - const randomSum = delay * 0.2 * secureRandom(); // 0-20% of the delay - return delay + randomSum; -}; - -const isPromisePending = (promise: Promise): boolean => { - return inspect(promise).includes('pending'); -}; - -export const promiseWithTimeout = async ( - promise: Promise, - timeoutMs: number, - timeoutError: Error, - timeoutCallback: () => void = () => { - /* This is intentional */ - }, -): Promise => { - // Creates a timeout promise that rejects in timeout milliseconds - const timeoutPromise = new Promise((_, reject) => { - setTimeout(() => { - if (isPromisePending(promise)) { - timeoutCallback(); - // FIXME: The original promise shall be canceled - } - reject(timeoutError); - }, timeoutMs); - }); - - // Returns a race between timeout promise and the passed promise - return Promise.race([promise, timeoutPromise]); -}; + const delay = Math.pow(2, retryNumber) * delayFactor + const randomSum = delay * 0.2 * secureRandom() // 0-20% of the delay + return delay + randomSum +} /** * Generates a cryptographically secure random number in the [0,1[ range @@ -357,27 +261,39 @@ export const promiseWithTimeout = async ( * @returns A number in the [0,1[ range */ export const secureRandom = (): number => { - return webcrypto.getRandomValues(new Uint32Array(1))[0] / 0x100000000; -}; - -export const JSONStringifyWithMapSupport = ( - obj: Record | Record[] | Map, - space?: number, -): string => { + return getRandomValues(new Uint32Array(1))[0] / 0x100000000 +} + +export const JSONStringify = < + T extends + | JsonType + | Array> + | Set> + | Map> +>( + object: T, + space?: string | number, + mapFormat?: MapStringifyFormat + ): string => { return JSON.stringify( - obj, + object, (_, value: Record) => { - if (value instanceof Map) { - return { - dataType: 'Map', - value: [...value], - }; + if (is(Map, value)) { + switch (mapFormat) { + case MapStringifyFormat.object: + return { ...Object.fromEntries>>(value.entries()) } + case MapStringifyFormat.array: + default: + return [...value] + } + } else if (is(Set, value)) { + return [...value] as JsonType[] } - return value; + return value }, - space, - ); -}; + space + ) +} /** * Converts websocket error code to human readable string message @@ -387,54 +303,38 @@ export const JSONStringifyWithMapSupport = ( */ export const getWebSocketCloseEventStatusString = (code: number): string => { if (code >= 0 && code <= 999) { - return '(Unused)'; + return '(Unused)' } else if (code >= 1016) { if (code <= 1999) { - return '(For WebSocket standard)'; + return '(For WebSocket standard)' } else if (code <= 2999) { - return '(For WebSocket extensions)'; + return '(For WebSocket extensions)' } else if (code <= 3999) { - return '(For libraries and frameworks)'; + return '(For libraries and frameworks)' } else if (code <= 4999) { - return '(For applications)'; + return '(For applications)' } } if ( - !isUndefined( - WebSocketCloseEventStatusString[code as keyof typeof WebSocketCloseEventStatusString], - ) + // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition + WebSocketCloseEventStatusString[code as keyof typeof WebSocketCloseEventStatusString] != null ) { - return WebSocketCloseEventStatusString[code as keyof typeof WebSocketCloseEventStatusString]; + return WebSocketCloseEventStatusString[code as keyof typeof WebSocketCloseEventStatusString] } - return '(Unknown)'; -}; + return '(Unknown)' +} export const isArraySorted = (array: T[], compareFn: (a: T, b: T) => number): boolean => { for (let index = 0; index < array.length - 1; ++index) { if (compareFn(array[index], array[index + 1]) > 0) { - return false; + return false } } - return true; -}; - -// eslint-disable-next-line @typescript-eslint/no-explicit-any -export const once = ( - fn: (...args: A) => R, - context: T, -): ((...args: A) => R) => { - let result: R; - return (...args: A) => { - if (fn) { - result = fn.apply(context, args); - (fn as unknown as undefined) = (context as unknown as undefined) = undefined; - } - return result; - }; -}; - -export const min = (...args: number[]): number => - args.reduce((minimum, num) => (minimum < num ? minimum : num), Infinity); - -export const max = (...args: number[]): number => - args.reduce((maximum, num) => (maximum > num ? maximum : num), -Infinity); + return true +} + +export const throwErrorInNextTick = (error: Error): void => { + nextTick(() => { + throw error + }) +}