Here’s a script for your family’s secret Santa
‘’’
const names = []
function createSecretSanta(names) {
if (names.length < 2) {
throw new Error("Need at least 2 names for Secret Santa")
}
const shuffled = [...names]
for (let i = shuffled.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]]
}
const assignments = []
for (let i = 0; i < shuffled.length; i++) {
const giver = shuffled[i]
const receiver = shuffled[(i + 1) % shuffled.length]
assignments.push({ giver, receiver })
}
return assignments
}
const assignments = createSecretSanta(names)
assignments.forEach((assignment) => {
console.log(`${assignment.giver} -> ${assignment.receiver}`)
})
‘’’
