Object compare

gistfile1.txt

function jsonEqual (a, b) {
  return JSON.stringify(a) === JSON.stringify(b)
}

function originalIfUnchanged(state, nextState) {
  if(state === nextState) {
    return state
  }

  return jsonEqual(state, nextState) ? state : nextState
}


function test() {
  const a = []
  let count = 9999
  while(count > 0) {
    count--
    a.push({
      x: 902,
      y: -200,
      label: 'Some node name',
      id: '82044-2984-2vuy20-34820yhv',
      meta: 'foobar'
    })
  }

  const b = [].concat(a)
  console.time()
  originalIfUnchanged(a, b)
  console.timeEnd()
}