Skip to content

Instantly share code, notes, and snippets.

Probably coding right now

André Staltz staltz

Probably coding right now
Block or report user

Report or block staltz

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile

Keybase proof

I hereby claim:

  • I am staltz on github.
  • I am andrestaltz ( on keybase.
  • I have a public key whose fingerprint is C83A 1721 7B3E 3DE2 23F2 F4C6 A1F0 0911 A32F D4DD

To claim this, I am signing this object:

staltz / streamio.js
Created Oct 3, 2016
Playful Haskell Stream I/O with ES6 Generators
View streamio.js
function *main() {
const confirmRequest = {
type: 'confirm',
value: 'Are you sure?',
const confirmResponse = yield confirmRequest;
if (confirmResponse === true) {
const consoleRequest = {
type: 'console',
staltz / main.js
Created Jun 22, 2016
A-Frame + Cycle.js demo
View main.js
import xs from 'xstream';
import Cycle from '@cycle/xstream-run';
import {h, makeDOMDriver} from '@cycle/dom';
function main(sources) {
let vdom$ = xs.periodic(16).startWith(0).map(i =>
h('a-scene', [
h('a-sphere', {
attrs: {
staltz / helper.js
Created Jun 6, 2016
How to use Stanga ( as a wrapper, not as a driver
View helper.js
// Generic helper function that takes a main() (the top-level component)
// and wraps it with Stanga logic
function wrapWithStanga(main, initialState) {
return function (sources) {
const modProxy$ = new Subject();
const modelSource = Model(initialState)(modProxy$);
sources.model = modelSource;
const sinks = main(sources);
staltz /
Last active Oct 26, 2017
How to debug Mocha tests written in Babel, running only in Node.js

Run this in one shell

./node_modules/.bin/mocha --debug-brk --compilers js:babel-register test/node

Then this in another shell


Then open the browser

staltz / check-operators.js
Last active Feb 7, 2017
A node.js script to check how often are RxJS operators used
View check-operators.js
var operators = [
staltz / main.js
Created Mar 4, 2016
Cycle.js demo with MIDI and Web Audio
View main.js
import {Observable, Disposable} from 'rx';
import {run} from '@cycle/core'
const jsondiffpatch = require('jsondiffpatch').create({
objectHash: function(obj) {
function generateCurve(steps){
var curve = new Float32Array(steps)
staltz /
Created Mar 3, 2016
Cycle.js example in CoffeeScript
{run} = require '@cycle/core'
{Observable} = require 'rx'
{div, input, h2, makeDOMDriver} = require '@cycle/dom'
intent = (domSource) =>
changeWeight$ = domSource
.map((ev) =>
changeHeight$ = domSource
staltz / first.js
Created Dec 10, 2015
Tiny Cycle.js 0
View first.js
Rx.Observable.timer(0, 1000)
.map(i => `Seconds elapsed ${i}`)
.subscribe(text => {
const container = document.querySelector('#app');
container.textContent = text;
View tiny-cycle-2.js
function main() {
return {
DOM: Rx.Observable.timer(0, 1000)
.map(i => {
return {
tagName: 'h1',
children: [`Seconds elapsed ${i}`]
You can’t perform that action at this time.