shmidt-i

//onEntry: sendParent("FAIL")

const failureMachine = Machine({
  id: 'failure',
  initial: 'INIT',
  // context: new Error('Hi there'),
  states: {
    INIT: {
      on: {
        "*": [

shmidt-i

const fetchMachine = Machine({
  id: "root",
  context: {
    authorizationCode: "123"
  },
  initial: "INIT",
  states: {
    "NOT AUTHORIZED": {
      on: {
        LOGIN: "AUTHORIZING"

shmidt-i

// Available variables:
// Machine (machine factory function)
// assign (action)
// XState (all XState exports)

const fetchMachine = Machine({
  id: "theWholeSelect",
  initial: "init",
  context: {
    currentValueToShow: null,

shmidt-i

type Tail<T extends any[]> = ((...args: T) => any) extends ((
    _: infer First,
    ...rest: infer Rest
) => any)
    ? T extends any[] ? Rest : ReadonlyArray<Rest[number]>
    : []


type GrabDeepType<T extends Record<any, any>, PathType> = {
    'deeper': PathType extends [infer HeadType, ...any[]]

shmidt-i

#!/bin/bash
find ./ -type f -print | xargs grep $1 || echo 'Not found'

shmidt-i

//Eslint thinks that its wrong:

errorOrMessage instanceof Error
    ? {
        error: errorOrMessage,
        meta,
      }
    : {
        error: new Error(errorOrMessage),
        meta,

shmidt-i

const actionTypeEq = type => pipe(secondArg, propEq('type', type));
const secondArg = (first, second) => second;
const assocMerge = (pathToObjectOrArray, value) =>
  assocPath(pathToObjectOrArray, merge(pathOr({}, pathToObjectOrArray), value));
const reducer = cond([
  [
    actionTypeEq(LOADED),
    (state, action) => assocMerge(['data'], action.payload)(state),
  ],
  [T, identity],

shmidt-i

// Lets say we have some function 
var ar = 'Some value';
const f = (...args2) => console.log(ar, ...args2);
f(1) //Some value, 1



// Now lets change the behaviour
// without changing the function
const saveToClosure = (data) => {