nrkn

const createElement = ( type, props = {}, ...children ) => ({ type, props, children })

nrkn

Result: 1
Items {
  TemplateId: "BADGE_BATTLE_ATTACK_WON"
  Badge {
    BadgeType: BADGE_BATTLE_ATTACK_WON
    BadgeRanks: 4
    Targets: "\nd\350\007"
  }
}
Items {

nrkn

Fighting is strong against Normal because:

• A trained fighter will beat a normal person in combat

Fighting is strong against Rock because:

• Fighting hits so hard it shatters rock

Fighting is strong against Steel because:

nrkn

<div><canvas width="640" height="480" /></div>

<!--

WebGL CRT monitor effect demo with a tiny surprise. Uses offscreen 2D canvas as buffer source.

Libraries and sources:

- ReGL (WebGL helper): http://regl.party/
- glMatrix (math): http://glmatrix.net/

nrkn

export const Hedgehog = () => {
  const speed = 10000
  const name = 'Sonic'
  
  const hedgehog = {
    name,
    zoom: () => zoom( hedgehog.name, speed )
  }
  
  return hedgehog

nrkn

export const createPoint = ( x, y ) => ({ x, y })

export const isPoint = value => 
  value && typeof value.x === 'number' && typeof value.y === 'number'

export const translatePoint = ( { x: x0, y: y0 }, { x: x1, y: y1 } ) => 
  createPoint( x0 + x1, y0 + y1 )

nrkn

export const createRobot = ( name, job ) => ({ name, job })

export const isRobot = value =>
  value && typeof value.name === 'string' && typeof value.job === 'string'

export const introduceRobot = ({ name, job }) =>
  console.log( `Hi, I'm ${ name }. My job is ${ job }.` )

nrkn

// it's array-like, but it's not an array
const notAnArray = {
  length: 3,
  0: 'a',
  1: 'b',
  2: 'c'
}

console.log( Array.isArray( notAnArray ) ) // false

nrkn

import { Shape } from './shapes.types'
import { area, perimeter } from './shapes.lib'

const shapes: Shape[] = [
  { radius: 4 }, { side: 5 }, { width: 6, height: 7 }
]

const totalArea = shapes.reduce(
  ( sum, shape ) => sum + area( shape ),
  0

nrkn

export const objectFilter = ( obj, predicate ) => {
  if ( obj === null || obj === undefined )
    throw Error( 'Cannot convert null or undefined to an object' )

  if ( typeof predicate !== 'function' )
    throw Error( 'Expected predicate to be a function' )

  obj = Object( obj )

  return Object.keys( obj ).reduce(