Denis Stoyanov xgrommx

Reactjs conf 2015 Notes

react native announced
- Allows you to use react style javascript to target native ios and android, native views, live reloading
- intro pt1
- intro pt2
- facebook groups app uses react native with graphql and relay
realtime page tweaking
- rethink best practices and workflows
inmutability is a good idea

A demonstration of SVG's Gaussian blur filter effect: the svg:feGaussianBlur element.

	/**
	* Waits until the supplied stream emits a value, and then
	* continues by emitting the last value emitted on the target.
	* Useful when you want to gate on an event emitter.
	*/
	Bacon.Observable.prototype.waitUntil = function(item) {
	// Cache the last value to come out of the source.
	let last;
	const unsub = this.onValue(x => last = x);

	ASQ.extend("toObservable",function __build__(api,internals){
	return function __toObsv__() {
	return Rx.Observable.create(function(observer) {
	api.val(function(msg){
	observer.onNext(msg);
	return ASQ.messages.apply(ø,arguments);
	});
	});
	};
	});

	'use strict';

	import {Router5, RouteNode} from 'router5';
	import logger from '../logger';

	// The set of valid sink functions includes synchronous state-affecting router functions that do not require a callback
	// and which do not have a significant return value other than the router object itself.
	const validSinkFuncs = ['add','addNode','canActivate','deregisterComponent','navigate','registerComponent','setOption','start','stop'];

	function validateAndRemapSinkArgument(arg) {

	/* Fuzzy Search in JavaScript in 66 bytes by SpeedyNinja
	Creates a Regex of the Form x.y.z.* for query xyz and tests it against the list of terms
	*/
	f=t=>s=>t.filter(x=>eval("/"+s.replace(/./,"$&.*")+"/gi").test(x))

	/*
	Usage:
	var search = f(["list", "of", "search", "terms"])
	search("er") -> ["search", "terms"]
	^ ^ ^^

	(defn group-by [f]
	(fn [rf]
	(let [groupped-value (volatile! (transient {}))]
	(fn
	([] (rf))
	([result]
	(rf (rf result (persistent! @groupped-value))))
	([result input]
	(let [key (f input)]
	(vswap! groupped-value assoc! key (conj (get @groupped-value key []) input))