larrybotha

// Luna Med user auth machine
  
  const authUserMachine = Machine({ 
    id: 'user',

  initial: 'noUser',

  context: {
    error: undefined,
    user: undefined,

larrybotha

  // LunaMed organization authorisation

  const fetchTargets = [{target: 'select', cond: 'hasOrgs'}, {target: 'fetching'}];
  const xeroTokenExchangeTargets = [
  {target: '#org.xeroSelect.exchangingToken', cond: 'hasOrgs'},
  {target: 'fetchingOrgsForXeroTokenExchange'},
];

  

larrybotha

XState + AWS Amplify example

A breakdown of a project that uses XState to manage state for authenticating a user with Cognito, and then finding the authorized application user with an invoked machine.

1. create auth machine
2. create auth context
3. handle AWS authentication
4. once user authenticates with Cognito, redirect to user route to get user from db
5. at user route use userMachine service from authMachine to get application user
6. once associated application user is found, send user to organization route to allow user to associate session with specific organization

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const bullishMachineConfig = {
  initial: 'findingStock',
  
  on: {
    MARKET_TRENDING_DOWN: 'bearish',
    MARKET_TRENDING_SIDEWAYS: 'evaluatingGeneralMarket',
  },
  
  states: {
    findingStock: {

larrybotha

// Luna Med auth machine

  const fetchMachine = Machine({
      id: 'auth',

  initial: 'unknown',

  states: {
    unknown: {
      entry: 'storeRequestUrl',

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  const tradingStrategyMachine = Machine({
    id: 'three-step-trading-process',
    
    initial: 'backtesting',
    
    context: {
      timesRefactored: 0,
    },
    
    states: {

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const xeroOrgMachine = Machine({
  id: 'xeroOrg',
  
  initial: 'noOrg',
  
  states: {
    noOrg: {
      invoke: {
        src: "requestAuthUrl",
        onDone: "exchangingToken",

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const userMachine = Machine({
  id: "user",
  
  initial: "noUser",
  
  states: {
    noUser: {
      invoke: {
        src: "getUser",
        onDone: "userFound",

larrybotha

Two.js Renderer for PhysicsJS

A starting point for a Two.js renderer for PhysicsJS.

larrybotha

Fixing Mac OS Sierra MySQL Woes

MySQL throwing ERROR 2006 (HY000): MySQL server has gone away?

mysql -u root -p
# enter password

mysql > SET GLOBAL max_allowed_packet=1073741824;