decoding https://twitter.com/johnlindquist/status/1009857336293220353

gistfile1.txt

const [
  ,
  mess = "mess",
  message,
  [, [{ [mess + "age"]: whoops = (() => mess)(mess) }]]
] = [1, undefined, undefined, [2, [(() => ({ message }))() ]]]

const [
  mess = "mess",
  message,
  [[{ [mess + "age"]: whoops = (() => mess)(mess) }]]
] = [undefined, undefined, [[(() => ({ message }))() ]]]

const [
  message,
  [[{ ["message"]: whoops = (() => mess)(mess) }]]
] = [undefined, [[(() => ({ message }))() ]]]

const [
  message,
  { message: whoops = (() => mess)(mess) }
] = [
  undefined,
  (() => ({ message }))() 
]

const [
  message,
  { message: whoops = (() => mess)(mess) }
] = [
  undefined,
  { message: message } 
]

const [
  message,
  { message: whoops = undefined }
] = [
  undefined,
  { message: message } 
]

const [
  message,
  whoops = undefined
] = [
  undefined,
  message
]

const [message, whoops] = [undefined, message]