- string
- Promise<string>
- (attempt: number) => Promise<string>
- (attempt: number) => string

// string as it is now
new Sockette('wss://address')
// promise style. just adding the setTimeout to simulate
new Sockette(new Promise((resolve) => {
  setTimeout(() => {
    resolve('wss://address')
  }, 5000)
}))

new Sockette(Promise.resolve('wss://address'))

new Sockette((attempt) => `wss://address?attempt${attempt}`)

new Sockette(async (attempt) => await Promise.resolve(`wss://address?attempt${attempt}`))