Probabilistic Revshare Example

probabilistic-revshare.js

// Define your revenue share here.
// If these weights add to 100 then they represent the percent each pointer gets.
const pointers = {
  '$alice.example': 50,
  '$bob.example': 40,
  '$connie.example': 9.5,
  '$dave.example': 0.5
}

function pickPointer () {
  const sum = Object.values(pointers).reduce((sum, weight) => sum + weight, 0)
  let choice = Math.random() * sum
  
  for (const pointer in pointers) {
    const weight = pointers[pointer]
    if ((choice -= weight) <= 0) {
      return pointer
    }
  }
}

window.addEventListener('load', () => {
  const monetizationTag = document.createElement('meta')
  monetizationTag.name = 'monetization'
  monetizationTag.content = pickPointer()

  document.head.appendChild(monetizationTag)
})