lupomontero

function concat(a, b) {

  var resultado = [];

  for (var i = 0; i < a.length; i++) {
    resultado.push(a[i]);
  }

  for (i = 0; i < b.length; i++) {
    resultado.push(b[i]);

lupomontero

module.exports = (obj, ignore) => Object.keys(obj)
  .reduce((m, k) => (ignore.indexOf(k) < 0) ? ((m[k] = obj[k]) && m) : m, {});

lupomontero

import React from 'react';

export default props => (
  <div>
    <h2>{props.user.name}</h2>
    <p>
      <a href={`mailto:${props.user.email}`}>
        {props.user.email}
      </a>
    </p>

lupomontero

<Profile user={{ name: 'Jimi Hendrix', email: '[email protected]' }} />

lupomontero

import React from 'react';

export default ({ user = {} }) => (
  <div>
    <h2>{user.name}</h2>
    <p>
      <a href={`mailto:${user.email}`}>
        {user.email}
      </a>
    </p>

lupomontero

import React from 'react';
import PropTypes from 'prop-types';

const Profile = ({ user = {} }) => (
  <div>
    <h2>{user.name}</h2>
    <p>
      <a href={`mailto:${user.email}`}>
        {user.email}
      </a>

lupomontero

import React from 'react';
import PropTypes from 'prop-types';

const Profile = ({ user = {} }) => (
  <div>
    <h2>{user.name}</h2>
    <p>
      <a href={`mailto:${user.email}`}>
        {user.email}
      </a>

lupomontero

import React from 'react';
import Profile from './Profile';

export default () => (
  <div>
    <Profile user={{ name: 'Jimi Hendrix', email: '[email protected]' }} />
  </div>
);

lupomontero

const splitArrayIntoBatches = (arr, limit) => arr.reduce((memo, item) => {
  if (memo.length && memo[memo.length - 1].length < limit) {
    memo[memo.length - 1].push(item);
    return memo;
  }
  return [...memo, [item]];
}, []);

lupomontero

const splitArrayIntoBatches = (arr, limit) => arr.reduce((memo, item) => {
  if (memo.length && memo[memo.length - 1].length < limit) {
    memo[memo.length - 1].push(item);
    return memo;
  }
  return [...memo, [item]];
}, []);


const batched = (tasks, concurrency) => {