PavlikPolivka

const paginationHandler = (page) => {
    const currentPath = props.router.pathname;
    const currentQuery = props.router.query;
    currentQuery.page = page.selected + 1;

    props.router.push({
        pathname: currentPath,
        query: currentQuery,
    })

PavlikPolivka

const wordsPerMinute = 225

export function readingTime(text) {
    return Math.ceil(wordCounter(text) / wordsPerMinute)
}

PavlikPolivka

function wordCounter(input) {
    const text = input.split(/\s+/)
    let wordCount = 0
    for (let i = 0; i < text.length; i++) {
        if (text[i] !== ' ' && isWord(text[i])) {
            wordCount++
        }
    }
    return wordCount
}

PavlikPolivka

function getData(key){
    return new Promise(function(resolve, reject) {
    console.log('starting get ' + key)

    setTimeout(() => {
        console.log('ending get ' + key)
        resolve(key);
    }, 1000);
  })
}

PavlikPolivka

const _cacheValues = new Map();
const _cacheResolvedTime = new Map();
const _cachePromises = new Map();

const getDataCached = function (key) {
}

PavlikPolivka

if (_cacheValues.has(key)) {
  return Promise.resolve(_cacheValues.get(key));
} else if (_cachePromises.has(key)) {
        return _cachePromises.get(key);
} else {
  const promise = new Promise(function (resolve, reject) {
    return getData(key).then(data => {
      _cacheValues.set(key, data);
      _cachePromises.delete(key);
      const now = new Date().getTime();

PavlikPolivka

const now = new Date().getTime();

if (_cacheResolvedTime.has(key)) {
  if ((now - _cacheResolvedTime.get(key)) > 60000) {
  _cacheResolvedTime.delete(param);
  _cacheValues.delete(key);
  _cachePromises.delete(key);
  }
}

PavlikPolivka

getDataCached('a').then(result => { console.log('first call outer: ' + result);
    getDataCached('a').then(result => { console.log('first call inner: ' + result); });
});

getDataCached('b').then(result => { console.log('first call outer: ' + result);
    getDataCached('b').then(result => { console.log('first call inner: ' + result); });
});

getDataCached('a').then(result => { console.log('second call outer: ' + result);
    getDataCached('a').then(result => { console.log('second call inner: ' + result); });

PavlikPolivka

const { TwitterClient } = require('twitter-api-client')
const axios = require('axios')
const sharp = require('sharp')
const Feed = require('rss-to-json')
const Jimp = require('jimp')
const fs = require('fs')

const numberOfFollowers = 3
const widthHeightFollowerImage = 90

PavlikPolivka

{
    "scripts": {
        "generate": "run-func netlify/functions/header.js handler"
    },
    "dependencies": {
        "axios": "^0.24.0",
        "jimp": "^0.16.1",
        "rss-to-json": "^2.0.2",
        "run-func": "^1.0.5",
        "sharp": "^0.29.3",