AmrAbdulrahman

function checkWinner(codeList, shoppingCart) {
  if (codeList.length === 0) return 1;
  if (shoppingCart.length === 0) return 0;
  
  function canMatch(group, fromIndex) {
    // if cart has no enough items to match the group
    if (fromIndex + group.length > shoppingCart.length) return false;
    
    for (let groupItemIndex = 0; groupItemIndex < group.length; groupItemIndex++) {
      // if items don't match, and we don't have a wildcard, then fail immediately

AmrAbdulrahman

alias ghome="gwip && gpsup --no-verify"
alias gfire="ghome --force"

AmrAbdulrahman

'camelCaseStyle'
  .split(/([a-z][A-Z])/g)
  .reduce((words, group, index) => (index % 2 ? `${words}${group[0]} ${group[1]}` : `${words}${group}`), '')

AmrAbdulrahman

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classnames from 'classnames';
import { withStyles } from 'material-ui/styles';
import Grid from 'material-ui/Grid';
import Loading from '~/Components/Loading';
import styles from './styles';

@withStyles(styles)
class Form extends Component {

AmrAbdulrahman

/*
It's often we have a bunch of modules that we need to just forward
from a single entry point

as following:
-- src
---- utils
------ isFunction.js
------ isString.js
------ isArray.js

AmrAbdulrahman

/*
In case you have tens of files with '2 spaces' indentation that you need to convert to '4 spaces'

1. Install 'recursive-readdir-sync', do not add the --save label.
2. cd to the root of the directory you want to process
3. Place this script.
3. Run the script, commit, push, enjoy!
*/
let fs = require('fs');
let recursiveReadSync = require('recursive-readdir-sync');

AmrAbdulrahman

function uploadFile(data) {
  // we can send notification one or more time as following:
  defer.notify(percentageUploaded);
  
  // returns promise
}

uploadFile()
  .then(function() {
    // fine

AmrAbdulrahman

function asyncOperation() {
  // returns promise
}

// show blocking loading modal
asyncOperation()
  .then(function() {
    // all fine
  }, function() {
    // something went wrong

AmrAbdulrahman

function asyncOperation() {
  // returns promise
}

var promises = [];
for (var i=0; i<=10; i++) {
  var promise = asyncOperation();
  promises.push(promise);
}

AmrAbdulrahman

async1()
  .then(function(inputsFromAsync1) {
    return async2();
  })
  .then(function(inputsFromAsync2) {
    return async3();
  })
  .then(function(inputsFromAsync3) {
    return async4();
  })