metautil

Metarhia utilities

Usage

• Install: npm install metautil
• Require: const metautil = require('metautil');

Common utilities

• random(min: number, max?: number): number
• sample(arr: Array<any>): any
• ipToInt(ip?: string): number
• parseHost(host?: string): string
• parseParams(params: string): object
• replace(str: string, substr: string, newstr: string): string
• split(s: string, separator: string): [string, string]
• fileExt(fileName: string): string
• between(s: string, prefix: string, suffix: string): string
• isFirstUpper(s: string): boolean
• toLowerCamel(s: string): string
• toUpperCamel(s: string): string
• isConstant(s: string): boolean
• nowDate(date?: Date): string
• duration(s: string | number): number
• makePrivate(instance: object): object
• protect(allowMixins: Array<string>, ...namespaces: Array<object>): void
• parseCookies(cookie: string): object
• createAbortController(): AbortController
• timeout(msec: number, signal?: EventEmitter): Promise<void>
• delay(msec: number, signal?: EventEmitter): Promise<void>

Crypto utilities

• cryptoRandom(): number
• generateKey(length: number, possible: string): string
• crcToken(secret: string, key: string): string
• generateToken(secret: string, characters: string, length: number): string
• validateToken(secret: string, token: string): boolean
• hashPassword(password: string): Promise<string>
• validatePassword(password: string, serHash: string): Promise<boolean>

Async abstractions

• new Semaphore(concurrency: number, size?: number, timeout?: number)

License & Contributors

Copyright (c) 2017-2021 Metarhia contributors. Metautil is MIT licensed.
Metautil is a part of Metarhia technology stack.

Changelog

[3.5.9][] - 2021-07-27

• Optimize Semaphore
• Add Semaphore properties: concurrency: number add empty: boolean