RoyalIcing

export function Loader() {
 function* Loading() {
   yield on("error", Failed);
   yield on("timeout", TimedOut);
   yield on("abort", Aborted);
   yield on("success", Loaded);
 }
 function* Failed() {}
 function* TimedOut() {}
 function* Aborted() {}

RoyalIcing

export function* TrafficLights() {
  function* Green() {
    yield on("timer", Yellow);
  }
  function* Yellow() {
    yield on("timer", Red);
  }
  function* Red() {
    yield on("timer", Green);
  }

RoyalIcing

function* VideoID() {
  const [videoID] = yield /^[a-zA-Z0-9_]+$/;
  return videoID;
}
function* Long() {
  yield "https://www.youtube.com/watch?v=";
  const videoID = yield VideoID;
  return videoID;
}
function* Embed() {

RoyalIcing

const S1Time = Symbol('S1Time');

function DriverTime() {
  function* NoTime() {
    yield on('sector1Set', SectorTime, id('Sector1'));
    yield on('sector2Set', SectorTime, id('Sector2'));
    yield on('sector3Set', SectorTime, id('Sector3'));
  }
  
  function* SectorTime() {

RoyalIcing

export function* OpenFilter() {
  function* Closed() {
    yield on("First", First);
    yield on("Second", Second);
  }
  function* First() {
    yield on("First", Closed);
    yield on("Second", Second);
  }
  function* Second() {

RoyalIcing

// See: https://twitter.com/buildsghost/status/1529258931809202176
// And: https://twitter.com/lewisl9029/status/1529360924343095296

let db

function allProps(object) {
    Object.fromEntries(
        await Promise.all(
            Object.entries(object).map(async ([key, promise]) => {
                return [key, await promise]

RoyalIcing

const Key = primaryKeyText('key');
const Count = column('count', int(1));
const CountersTable = table('counters', [Key, Count]);

function* Create() {
  yield create(CounterTable);
}

function* QueryCountFor(key) {
  return select([Count], [where(Key(key))]);

RoyalIcing

export function* ReactComponent() {
  function* Initial() {
    yield on("render", Rendering);
  }
  function* Rendering() {
    yield on("resourceSuspended", Suspended);
    yield on("error", Errored);
    yield on("commit", Committed);
  }
  function* Suspended() {

RoyalIcing

import { start, on } from "https://unpkg.com/[email protected]/dist/yieldmachine.module.js"

function TrafficLightsMachine() {
  const { Green, Yellow, Red } = {
    *Green() {
      yield on("timer", Yellow);
    },
    *Yellow() {
      yield on("timer", Red);
    },

RoyalIcing

// Constants are values with names.
// Functions accept values and return values.

const favoriteNumber = 7
const favoriteNumber2 = (n: number) => n * 2
const doubleNumber = (n: number) => n * 2

const a = doubleNumber(favoriteNumber)
// = 14