mvbattan

const reducerDescription = {
  [actions.GET_MATCHES]: (state, action) => ({ ...state, matchesLoading: true }),
  [actions.GET_MATCHES_SUCCESS]: (state, action) => ({
    ...state,
    matchesLoading: false,
    matchesError: null,
    matches: action.payload
  }),
  [actions.GET_MATCHES_FAILURE]: (state, action) => ({
    ...state,

jiayihu

import { IAction } from '../types/redux.types';
import { actionTypes as errorTypes, showError } from './errors.actions';

interface IPayloadCreators {
  request(...args: any[]): any;
  success(...args: any[]): any;
  failure?(errorMsg: string): any;
}

interface IActionCreator {

ustun

var camelCase = require('lodash.camelcase');
const {Map, Record, List} = require('immutable');

class Todo extends Record({ description: null, completed: false }) {
    toggle() {
        return this.set('completed', !this.completed);
    }
}

const InitialTodoApp = Record({

emilong

const original = [0,1,2,3];
const copy = Object.assign([], original, { 2: 42 }); // [0,1,42,3]

console.log(original);
// [ 0, 1, 2, 3 ]

console.log(copy);
// [ 0, 1, 42, 3 ]

ericelliott

const consumer = dependency => dependency.doSomething();

const realDependency = {
  doSomething () {
    console.log('did something!');
  }
};

consumer(realDependency);

graceavery

alias accio=wget
alias avadaKedavra='rm -f'
alias imperio=sudo
alias priorIncantato='echo `history |tail -n2 |head -n1` | sed "s/[0-9]* //"'
alias stupefy='sleep 5'
alias wingardiumLeviosa=mv

alias sonorus='set -v'
alias quietus='set +v'

anvk

function asyncFunc(e) {
  return new Promise((resolve, reject) => {
    setTimeout(() => resolve(e), e * 1000);
  });
}

const arr = [1, 2, 3];
let final = [];

function workMyCollection(arr) {

ladas-larry

function parseQuery(locationSearch) {
  locationSearch = locationSearch.substring(1); // remove "?" at the beginning
  var values = locationSearch.split('&');
  var queryObj = values.reduce(function (result, item) {
    var parts = item.split('=');
    result[decodeURIComponent(parts[0])] = parts[1];
    return result;
  }, {});
  return queryObj;
}

jmarceli

1

You will get one of these:

Uncaught (in promise) TypeError: Cannot read property 'toUpperCase' of undefined(…)

ReactCompositeComponent.js:870 Uncaught TypeError: Cannot read property 'displayName' of undefined

if you try to:

gaearon

function mapValues(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    result[key] = fn(obj[key], key);
    return result;
  }, {});
}

function pick(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    if (fn(obj[key])) {