"use strict";

Liferay.Loader.define("@site-navigation-item-selector-web$react-dnd/asap@4.0.0/dist/cjs/node/raw", ['module', 'exports', 'require', 'site-navigation-item-selector-web$domain'], function (module, exports, require) {
  var define = undefined;
  var global = window;
  {
    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.rawAsap = rawAsap;
    var domain; // The domain module is executed on demand

    var hasSetImmediate = typeof setImmediate === 'function'; // Use the fastest means possible to execute a task in its own turn, with
    // priority over other events including network IO events in Node.js.
    //
    // An exception thrown by a task will permanently interrupt the processing of
    // subsequent tasks. The higher level `asap` function ensures that if an
    // exception is thrown by a task, that the task queue will continue flushing as
    // soon as possible, but if you use `rawAsap` directly, you are responsible to
    // either ensure that no exceptions are thrown from your task, or to manually
    // call `rawAsap.requestFlush` if an exception is thrown.

    function rawAsap(task) {
      if (!queue.length) {
        requestFlush();
        flushing = true;
      } // Avoids a function call


      queue[queue.length] = task;
    }

    var queue = []; // Once a flush has been requested, no further calls to `requestFlush` are
    // necessary until the next `flush` completes.

    var flushing = false; // The position of the next task to execute in the task queue. This is
    // preserved between calls to `flush` so that it can be resumed if
    // a task throws an exception.

    var index = 0; // If a task schedules additional tasks recursively, the task queue can grow
    // unbounded. To prevent memory excaustion, the task queue will periodically
    // truncate already-completed tasks.

    var capacity = 1024; // The flush function processes all tasks that have been scheduled with
    // `rawAsap` unless and until one of those tasks throws an exception.
    // If a task throws an exception, `flush` ensures that its state will remain
    // consistent and will resume where it left off when called again.
    // However, `flush` does not make any arrangements to be called again if an
    // exception is thrown.

    function flush() {
      while (index < queue.length) {
        var currentIndex = index; // Advance the index before calling the task. This ensures that we will
        // begin flushing on the next task the task throws an error.

        index = index + 1;
        queue[currentIndex].call(); // Prevent leaking memory for long chains of recursive calls to `asap`.
        // If we call `asap` within tasks scheduled by `asap`, the queue will
        // grow, but to avoid an O(n) walk for every task we execute, we don't
        // shift tasks off the queue after they have been executed.
        // Instead, we periodically shift 1024 tasks off the queue.

        if (index > capacity) {
          // Manually shift all values starting at the index back to the
          // beginning of the queue.
          for (var scan = 0, newLength = queue.length - index; scan < newLength; scan++) {
            queue[scan] = queue[scan + index];
          }

          queue.length -= index;
          index = 0;
        }
      }

      queue.length = 0;
      index = 0;
      flushing = false;
    }

    rawAsap.requestFlush = requestFlush;

    function requestFlush() {
      // Ensure flushing is not bound to any domain.
      // It is not sufficient to exit the domain, because domains exist on a stack.
      // To execute code outside of any domain, the following dance is necessary.
      var parentDomain = process.domain;

      if (parentDomain) {
        if (!domain) {
          // Lazy execute the domain module.
          // Only employed if the user elects to use domains.
          domain = require("site-navigation-item-selector-web$domain");
        }

        domain.active = process.domain = null;
      } // `setImmediate` is slower that `process.nextTick`, but `process.nextTick`
      // cannot handle recursion.
      // `requestFlush` will only be called recursively from `asap.js`, to resume
      // flushing after an error is thrown into a domain.
      // Conveniently, `setImmediate` was introduced in the same version
      // `process.nextTick` started throwing recursion errors.


      if (flushing && hasSetImmediate) {
        setImmediate(flush);
      } else {
        process.nextTick(flush);
      }

      if (parentDomain) {
        domain.active = process.domain = parentDomain;
      }
    }
  }
});
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