Ryan Weald rweald

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).

	import (
	"../../web"
	"bytes"
	"encoding/csv"
	}

	func GenerateCSV(ctx *web.Context, args ...string) {

	record := []string{"test1", "test2", "test3"} // just some test data to use for the wr.Writer() method below.

	angular.module('stateMock',[]);
	angular.module('stateMock').service("$state", function($q){
	this.expectedTransitions = [];
	this.transitionTo = function(stateName){
	if(this.expectedTransitions.length > 0){
	var expectedState = this.expectedTransitions.shift();
	if(expectedState !== stateName){
	throw Error("Expected transition to state: " + expectedState + " but transitioned to " + stateName );
	}
	}else{

	angular.module('stateMock',[]);
	angular.module('stateMock').service("$state", function($q){
	this.expectedTransitions = [];
	this.current = {};
	this.transitionTo = function(stateName){
	if(this.expectedTransitions.length > 0){
	var expectedState = this.expectedTransitions.shift();
	if(expectedState !== stateName){
	throw Error("Expected transition to state: " + expectedState + " but transitioned to " + stateName );
	}