diff options
Diffstat (limited to 'node_modules/async/priorityQueue.js')
-rw-r--r-- | node_modules/async/priorityQueue.js | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/node_modules/async/priorityQueue.js b/node_modules/async/priorityQueue.js deleted file mode 100644 index 3a5f023e5..000000000 --- a/node_modules/async/priorityQueue.js +++ /dev/null @@ -1,98 +0,0 @@ -'use strict'; - -Object.defineProperty(exports, "__esModule", { - value: true -}); - -exports.default = function (worker, concurrency) { - // Start with a normal queue - var q = (0, _queue2.default)(worker, concurrency); - - // Override push to accept second parameter representing priority - q.push = function (data, priority, callback) { - if (callback == null) callback = _noop2.default; - if (typeof callback !== 'function') { - throw new Error('task callback must be a function'); - } - q.started = true; - if (!(0, _isArray2.default)(data)) { - data = [data]; - } - if (data.length === 0) { - // call drain immediately if there are no tasks - return (0, _setImmediate2.default)(function () { - q.drain(); - }); - } - - priority = priority || 0; - var nextNode = q._tasks.head; - while (nextNode && priority >= nextNode.priority) { - nextNode = nextNode.next; - } - - for (var i = 0, l = data.length; i < l; i++) { - var item = { - data: data[i], - priority: priority, - callback: callback - }; - - if (nextNode) { - q._tasks.insertBefore(nextNode, item); - } else { - q._tasks.push(item); - } - } - (0, _setImmediate2.default)(q.process); - }; - - // Remove unshift function - delete q.unshift; - - return q; -}; - -var _isArray = require('lodash/isArray'); - -var _isArray2 = _interopRequireDefault(_isArray); - -var _noop = require('lodash/noop'); - -var _noop2 = _interopRequireDefault(_noop); - -var _setImmediate = require('./setImmediate'); - -var _setImmediate2 = _interopRequireDefault(_setImmediate); - -var _queue = require('./queue'); - -var _queue2 = _interopRequireDefault(_queue); - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -module.exports = exports['default']; - -/** - * The same as [async.queue]{@link module:ControlFlow.queue} only tasks are assigned a priority and - * completed in ascending priority order. - * - * @name priorityQueue - * @static - * @memberOf module:ControlFlow - * @method - * @see [async.queue]{@link module:ControlFlow.queue} - * @category Control Flow - * @param {AsyncFunction} worker - An async function for processing a queued task. - * If you want to handle errors from an individual task, pass a callback to - * `q.push()`. - * Invoked with (task, callback). - * @param {number} concurrency - An `integer` for determining how many `worker` - * functions should be run in parallel. If omitted, the concurrency defaults to - * `1`. If the concurrency is `0`, an error is thrown. - * @returns {module:ControlFlow.QueueObject} A priorityQueue object to manage the tasks. There are two - * differences between `queue` and `priorityQueue` objects: - * * `push(task, priority, [callback])` - `priority` should be a number. If an - * array of `tasks` is given, all tasks will be assigned the same priority. - * * The `unshift` method was removed. - */
\ No newline at end of file |