yuripramos

import * as React from "react";

/**
 * A helper to create a Context and Provider with no upfront default value, and
 * without having to check for undefined all the time.
 */
function createCtx<A extends {} | null>() {
  const ctx = React.createContext<A | undefined>(undefined);
  function useCtx() {
    const c = React.useContext(ctx);

yuripramos

const tokens = ['USDC', 'USDT', 'ETH'];

const contracts = [{contract:"#CAS#", tokens: ["BTC"]},{contract: "FSA@#", tokens:["ETH","USF"]},{contract: "8%SD8", tokens:["ETH" ]}]

const intersection = contracts.filter(contract => tokens.some(token => {
return contract.tokens.includes(token)
}))

yuripramos

{
  devtool: 'source-map'
}

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 // just add the sideEffects key inside your package.json file
{
    "sideEffects": [
        "./src/polyfill.js"
    ],
}

yuripramos

import { divide, subtract } from "./mathUtils";

divide(1, 2);

yuripramos

//in that case all the build files were served by build/static adapt to your needs
"scripts": {
 "analyze": "webpack-bundle-analyzer 'build/static/js/*.js'",
 ...
}

yuripramos

const path = require('path');

module.exports = {
  entry: {
    vendor: './vendor.js',
    main: './index.js'
  },
  output: {
    path: path.join(__dirname, 'build'),
    filename: '[name].[hash].js'

yuripramos

export const fetchSmallDevicesData = async (
  resolution,
  filters,
  pages
) => {
  const { data } = await axios.get(
    `${URL}?${buildSmartDevicesParameters(
      resolutions,
      filters,
      pages

yuripramos

import { useState, useEffect } from 'react';

export function useFetch(
  doFetch,
  dependencies
) {
  const [loading, setLoading] = useState(false);
  const [data, setData] = useState();

  useEffect(() => {

yuripramos

const state = useContext(MessagesContext);
const [textValue, setTextValue] = useState("");
const [isEmojiEnabled, setIsEmojiEnabled] = useState(false);

const toggleEmoji = () => setIsEmojiEnabled(!isEmojiEnabled);

const myStateRef = useRef(textValue);

const setMyState = (data: any) => {
  myStateRef.current = data;