mistercoffee66

import React, { createContext, useState } from 'react';
import PropTypes from 'prop-types';

const mq = 'screen and (max-width: 671px)';

const ResponsiveContext = createContext();

const ResponsiveContextProvider = ({ children }) => {
  const [isMobile, setIsMobile] = useState(window.matchMedia(mq).matches);
  matchMedia(mq).addEventListener('change', e => setIsMobile(e.matches));

mistercoffee66

export const trimAnything = (str, trimChar, opts = { start: false, end: true }) => {
  if (str.length > 1 || opts.allowEmpty) {
    let pattern;
    if (opts.start && !opts.end) {
      pattern = `^\\${trimChar}+`;
    } else if (!opts.start && opts.end) {
      pattern = `\\${trimChar}+$`;
    } else {
      pattern = `^\\${trimChar}+|\\${trimChar}+$`;
    }

mistercoffee66

const net = require('net');

const getOpenPort = async (port, maxPort) => {
  const isPortAvail = (currentPort) => new Promise((resolve, reject) => {
    const tester = net.createServer()
      .once('error', (err) => (err.code === 'EADDRINUSE' ? resolve(false) : reject(err)))
      .once('listening', () => tester.once('close', () => resolve(true)).close())
      .listen(currentPort);
  });