cem2ran

// No TypeScript, but statically typed
let add = (a, b) => a + b;

cem2ran

package com.firebase.client;

import com.firebase.client.core.view.Event;

import rx.Observable;
import rx.Subscriber;
import rx.functions.Action0;
import rx.functions.Func1;
import rx.subscriptions.Subscriptions;

cem2ran

Reduce boilerplate in Redux

• Create actions similar to Flummox.
• Generate action ids.
• Supports actions with promises, and therefore ES7 async.

cem2ran

const combine = (...arrays)
  => [].concat(...arrays);

const compact = arr
  => arr.filter(el => el);

const contains = (() => Array.prototype.includes
  ? (arr, value) => arr.includes(value)
  : (arr, value) => arr.some(el => el === value)
)();