gordonbrander

import {StoreElement, change} from './modest.js'

class ModestApp extends StoreElement {
  static template() {
    return `
    <style>
    :host {
      display: block;
    }
    .time {

gordonbrander

// Shorthand for Object.freeze
export const freeze = Object.freeze

// Define an immutable model intializer.
// Objects are frozen on the way out.
export const Model = init => flags => freeze(init(flags))

// Put a value to a key, returning a new frozen object
export const put = (state, key, val) => freeze({...state, [key]: val})

gordonbrander

export const isObject = thing => thing != null && typeof thing === "object"

export class ReadOnlyProxyWriteError extends Error {}

const ReadOnlyProxyDescriptor = {
  get: (target, key) => {
    let value = target[key]
    if (!isObject(value)) {
      return value
    }

gordonbrander

const $version = Symbol('version')

export const version = state => {
  if state[$version] == null {
    return 0
  }
  return state[$version]
}

export const markSynced = (following, leading) => {

gordonbrander

export const $version = Symbol('version')

const VersionedProxy = {
  set(target, prop, value) {
    target[$version] = target[$version] + 1
    target[prop] = value
  },

  deleteProperty(target, prop) {
    target[$version] = target[$version] + 1

gordonbrander

// RenderingElement
// A custom element that batches state updates on animation frame.
export class RenderingElement extends HTMLElement {
  // Element state to render
  #state = this.defaults();

  // Has an animation frame been scheduled?
  #isAnimationFrameScheduled = false

  // Perform a render and flag that animationFrame has completed.

gordonbrander

import Foundation
import Combine

extension DispatchQueue {
    /// Run a closure on a dispatch queue asyncronously.
    /// - Returns a future.
    func future<Output>(
        perform: @escaping () -> Output
    ) -> Future<Output, Never> {
        Future<Output, Never> { promise in

gordonbrander

How to get WebVR working with your brand-new Daydream View & Pixel.

1. Update Daydream app to latest (Play Store)
2. Update Chrome app to latest (Play Store)
   • Tip: if you're feeling brave, download Chrome Canary instead. Better perf and new features.
3. Update Google VR Services (Play Store)
4. Open chrome://flags/#enable-webvr
   • Click "Enable"
5. Open chrome://flags/#enable-vr-shell
   • Set dropdown to "Enabled"

gordonbrander

var StateMachine = {
  // Register valid states for this object.
  __states__: {
    'success': ['failure'],
    'failure': ['success']
  },

  // Set initial state.
  __state__: 'success',

gordonbrander

import multimethod from './multimethod.js'

const foo = multimethod(x => typeof x)
foo.string = x => 'called string method'
foo.number = x => 'called number method'

foo('x')
// 'called string method'

foo(1)