karen keyserfaty

What is React Fiber? And how can I try it out today?

what?

React Fiber is an ongoing reimplementation of React's core algorithm. It is the culmination of over two years of research by the React team.

why?

Hi Nicholas,

I saw you tweet about JSX yesterday. It seemed like the discussion devolved pretty quickly but I wanted to share our experience over the last year. I understand your concerns. I've made similar remarks about JSX. When we started using it Planning Center, I led the charge to write React without it. I don't imagine I'd have much to say that you haven't considered but, if it's helpful, here's a pattern that changed my opinion:

The idea that "React is the V in MVC" is disingenuous. It's a good pitch but, for many of us, it feels like in invitation to repeat our history of coupled views. In practice, React is the V and the C. Dan Abramov describes the division as Smart and Dumb Components. At our office, we call them stateless and container components (view-controllers if we're Flux). The idea is pretty simple: components can't

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

	import React from "react";
	import { render } from "react-dom";

	const ParentComponent = React.createClass({
	getDefaultProps: function() {
	console.log("ParentComponent - getDefaultProps");
	},
	getInitialState: function() {
	console.log("ParentComponent - getInitialState");
	return { text: "" };

	var ListenWithMe = (function() {
	// Add your own config here
	var LASTFM_API_KEY = "";
	var LASTFM_USERNAME = "";
	// Element to inject the widget into
	var $playerWrapper = document.getElementById('spotify-player-wrapper');

	return {
	init: init
	}

	The MIT License (MIT)

	Copyright (c) 2015 Justin Perry

	Permission is hereby granted, free of charge, to any person obtaining a copy of
	this software and associated documentation files (the "Software"), to deal in
	the Software without restriction, including without limitation the rights to
	use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
	the Software, and to permit persons to whom the Software is furnished to do so,
	subject to the following conditions:

	var gulp = require('gulp');
	var sourcemaps = require('gulp-sourcemaps');
	var source = require('vinyl-source-stream');
	var buffer = require('vinyl-buffer');
	var browserify = require('browserify');
	var watchify = require('watchify');
	var babel = require('babelify');

	function compile(watch) {
	var bundler = watchify(browserify('./src/index.js', { debug: true }).transform(babel));

	IMPORTANT

	Please duplicate this radar for a Safari fix!
	This will clean up a 50-line workaround.

	rdar://22376037 (https://openradar.appspot.com/radar?id=4965070979203072)

	//////////////////////////////////////////////////////////////////////////////

	(Now available as a standalone repo.)

	<html>
	<head>
	<script>

	var request;
	var progressBar;

	function loadImage(imageURI)
	{
	request = new XMLHttpRequest();