backoff-implementation.js

// Example
let backoff = new Backoff({
  timeout: 5000,
  backoffExponent: 2,
  attempts: 10,
  jitterCap: 1000 * 60 * 20 // 20 minutes
});

backoff.exec(function(markAsDone, forceRetry, forceFailure) {
  /* Some async process that might fail, in which 
  case you would want to retry. A network request is a
  prime example. The request will automatically retry if
  it reaches the timeout threshold you specified.
  Alternatively, you can call forceRetry().

  Use markAsDone() to indicate that the process has
  finished succcessfully and forceFailure() to give up
  on the process permanently. */
}).done(function(a, b) {
  /* The done and failure callbacks are optional and they
  both accept an arbitrary list of arguments */
  console.log(a, b);
}).fail(function() {
  console.log('failure');
});