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├── actions
├── stores
├── views
│   ├── Anonymous
│   │   ├── __tests__
│   │   ├── views
│   │   │   ├── Home
│   │   │   │   ├── __tests__
│   │   │   │   └── Handler.js

2015-01-29 Unofficial Relay FAQ

Compilation of questions and answers about Relay from React.js Conf.

Disclaimer: I work on Relay at Facebook. Relay is a complex system on which we're iterating aggressively. I'll do my best here to provide accurate, useful answers, but the details are subject to change. I may also be wrong. Feedback and additional questions are welcome.

What is Relay?

Relay is a new framework from Facebook that provides data-fetching functionality for React applications. It was announced at React.js Conf (January 2015).

@sebmarkbage
sebmarkbage / Enhance.js
Last active June 19, 2025 19:41
Higher-order Components
import { Component } from "React";
export var Enhance = ComposedComponent => class extends Component {
constructor() {
this.state = { data: null };
}
componentDidMount() {
this.setState({ data: 'Hello' });
}
render() {
@couto
couto / webpack.js
Last active November 7, 2024 13:10
Fetch polyfill with webpack
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var path = require('path');
var folders = {
APP: path.resolve(__dirname, '../app'),
BUILD: path.resolve(__dirname, '../build'),
BOWER: path.resolve(__dirname, '../bower_components'),
NPM: path.resolve(__dirname, '../node_modules')
};
@lolzballs
lolzballs / HelloWorld.java
Created March 22, 2015 00:21
Hello World Enterprise Edition
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
public class HelloWorld{
private static HelloWorld instance;
public static void main(String[] args){
instantiateHelloWorldMainClassAndRun();
@sahrens
sahrens / React Native: Animated - Code
Last active July 4, 2020 00:07
Example code from ReactEurope 2015 talk - React Native: Animated
/**
* The examples provided by Facebook are for non-commercial testing and
* evaluation purposes only.
*
* Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
<br /><br />
# React Native: Animated
ReactEurope 2015, Paris - Spencer Ahrens - Facebook
<br /><br />
## Fluid Interactions
- People expect smooth, delightful experiences
@paulirish
paulirish / what-forces-layout.md
Last active July 10, 2025 08:36
What forces layout/reflow. The comprehensive list.

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics
  • elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
@aeroechelon
aeroechelon / material_design_guidelines_dimens.xml
Last active October 6, 2022 04:06
Recommended Material Design Dimensions for Android
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!--
# Material Design Dimensions
These common dimensions for spacing and typepography that
are provided as per Material Design Guidelines.
-->
<!-- Margin & Padding, 8 dp baseline, https://material.io/design/layout/understanding-layout.html -->