GeKiStolyarov

import { resolve, extname, basename } from 'path';
import fsPromises from 'fs/promises';

// @ts-ignore
async function* getFiles(dir: string) {
    const dirents = await fsPromises.readdir(dir, { withFileTypes: true });
    for (const dirent of dirents) {
        const res = resolve(dir, dirent.name);
        if (dirent.isDirectory()) {
            yield* getFiles(res);

GeKiStolyarov

react-native link <lib name>

// this command has done the unlinking of the library from both platforms.
react-native unlink <lib name>

// this has uninstalled the library from the node modules and its dependencies
react-native uninstall  <lib name>

GeKiStolyarov

const browsers = ['Chrome', 'Firefox', 'Edge', 'Safari', 'Opera'];

// for in
for (const browser in browsers) {
  console.log(browser, '---', browsers[browser]);
}
// output
// "0" "---" "Chrome"
// "1" "---" "Firefox"
// "2" "---" "Edge"

GeKiStolyarov

function declOfNum(number, titles) {  
    const cases = [2, 0, 1, 1, 1, 2];  
    return titles[ (number%100>4 && number%100<20)? 2 : cases[(number%10<5)?number%10:5] ];  
}

// example
declOfNum(1, ['день', 'дня', 'дней']); // 1 день
declOfNum(2, ['день', 'дня', 'дней']); // 2 дня
declOfNum(5, ['день', 'дня', 'дней']); // 5 дней