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sudo apt-get update
sudo apt-get upgrade

# 1) Download from source, the zip from the site has problems on linux
# https://github.com/cocos2d/cocos2d-x/pull/15958#issuecomment-228919359
git clone https://github.com/cocos2d/cocos2d-x.git
cd cocos2d-x
# 2016-06-27 branch master is broken, change to commit 04d3550
git checkout 04d3550

codexico

emailRegex = /^[\w-]+(\.[\w-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,20})$/i;

codexico

// string.js
export const capitalize = (string = '') =>
  (typeof string === 'string' && string.substring(1))
    ? string[0].toUpperCase() + string.substring(1).toLowerCase()
    : '';

// string.test.js
import { capitalize } from './string';

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  function executeOrRetry(retries, condition, fn, interval) {
    if ((retries > 0) && condition()) {
      setTimeout(() => {
        executeOrRetry(retries--, condition, fn);
      }, interval);
    } else {
      fn();
    }
  }

codexico

{
  "Print object to console with label": {
        "prefix": "cob",
        "body": [
            "console.log(\"${1:this} = \", ${1:this});",
            "$0"
        ],
        "description": "Log object to console"
    },
    "Print string to console": {

codexico

let newAnimationId = 0;

export function animateScrollTo(el, to, duration) {
  const init = el.scrollTop;
  const startTime = performance.now();

  let direction = to < init;
  let change = 0;

  if (direction) {

codexico

function logError(description, result, expectation) {
  console.error('✖ ', description)
  console.log('expected: ', expectation)
  console.log('got: ', result)
}

function test(description, assertion, expectation) {
  const result = assertion();
  result === expectation
  ? console.log('✔ ', description)