react-mdl/node_modules/history/es6/AsyncUtils.js

React Components wrapper for Material Design Lite UI

"use strict";

export { loopAsync };

function loopAsync(turns, work, callback) {
  var currentTurn = 0;
  var isDone = false;

  function done() {
    isDone = true;
    callback.apply(this, arguments);
  }

  function next() {
    if (isDone) return;

    if (currentTurn < turns) {
      work.call(this, currentTurn++, next, done);
    } else {
      done.apply(this, arguments);
    }
  }

  next();
}