diff options
Diffstat (limited to 'docs/file/lib/queue.js.html')
| -rw-r--r-- | docs/file/lib/queue.js.html | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/docs/file/lib/queue.js.html b/docs/file/lib/queue.js.html new file mode 100644 index 0000000..55fa432 --- /dev/null +++ b/docs/file/lib/queue.js.html @@ -0,0 +1,217 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="utf-8"> + <base data-ice="baseUrl" href="../../"> + <title data-ice="title">lib/queue.js | API Document</title> + <link type="text/css" rel="stylesheet" href="css/style.css"> + <link type="text/css" rel="stylesheet" href="css/prettify-tomorrow.css"> + <script src="script/prettify/prettify.js"></script> + + + <script src="script/manual.js"></script> +</head> +<body class="layout-container" data-ice="rootContainer"> + +<header> + <a href="./">Home</a> + + <a href="identifiers.html">Reference</a> + <a href="source.html">Source</a> + + <a data-ice="repoURL" href="https://github.com/caolan/async.git" class="repo-url-github">Repository</a> + <div class="search-box"> + <span> + <img src="./image/search.png"> + <span class="search-input-edge"></span><input class="search-input"><span class="search-input-edge"></span> + </span> + <ul class="search-result"></ul> + </div> +</header> + +<nav class="navigation" data-ice="nav"><div> + <ul> + + <li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-asyncify">asyncify</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-auto">auto</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-autoInject">autoInject</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-cargo">cargo</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-compose">compose</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-doDuring">doDuring</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-doUntil">doUntil</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-doWhilst">doWhilst</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-during">during</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-eachLimit">eachLimit</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-eachOfLimit">eachOfLimit</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-ensureAsync">ensureAsync</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-forever">forever</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-iterator">iterator</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-mapValuesLimit">mapValuesLimit</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-memoize">memoize</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-parallelLimit">parallelLimit</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-priorityQueue">priorityQueue</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-queue">queue</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-race">race</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-reduce">reduce</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-reduceRight">reduceRight</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-reflect">reflect</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-reflectAll">reflectAll</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-retry">retry</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-retryable">retryable</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-series">series</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-sortBy">sortBy</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-timeout">timeout</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-timeLimit">timeLimit</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-transform">transform</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-unmemoize">unmemoize</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-until">until</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-waterfall">waterfall</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-whilst">whilst</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-typedef">T</span><span data-ice="name"><span><a href="typedef/index.html#static-typedef-CargoObject">CargoObject</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-typedef">T</span><span data-ice="name"><span><a href="typedef/index.html#static-typedef-QueueObject">QueueObject</a></span></span></li> +<li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">internal</div><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-applyEach">applyEach</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-concat">concat</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-consoleFunc">consoleFunc</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-doLimit">doLimit</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-doParallel">doParallel</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-doParallelLimit">doParallelLimit</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-doSeries">doSeries</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-getIterator">getIterator</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-initialParams">initialParams</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-iterator">iterator</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-notId">notId</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-once">once</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-onlyOnce">onlyOnce</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-queue">queue</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-reject">reject</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-fallback">fallback</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-function">F</span><span data-ice="name"><span><a href="function/index.html#static-function-wrap">wrap</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-hasNextTick">hasNextTick</a></span></span></li> +<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-hasSetImmediate">hasSetImmediate</a></span></span></li> +</ul> +</div> +</nav> + +<div class="content" data-ice="content"><h1 data-ice="title">lib/queue.js</h1> +<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import queue from './internal/queue'; + +/** + * A queue of tasks for the worker function to complete. + * @typedef {Object} QueueObject + * @property {Function} length - a function returning the number of items + * waiting to be processed. Invoke with (). + * @property {Function} started - a function returning whether or not any + * items have been pushed and processed by the queue. Invoke with (). + * @property {Function} running - a function returning the number of items + * currently being processed. Invoke with (). + * @property {Function} workersList - a function returning the array of items + * currently being processed. Invoke with (). + * @property {Function} idle - a function returning false if there are items + * waiting or being processed, or true if not. Invoke with (). + * @property {number} concurrency - an integer for determining how many `worker` + * functions should be run in parallel. This property can be changed after a + * `queue` is created to alter the concurrency on-the-fly. + * @property {Function} push - add a new task to the `queue`. Calls `callback` + * once the `worker` has finished processing the task. Instead of a single task, + * a `tasks` array can be submitted. The respective callback is used for every + * task in the list. Invoke with (task, [callback]), + * @property {Function} unshift - add a new task to the front of the `queue`. + * Invoke with (task, [callback]). + * @property {Function} saturated - a callback that is called when the number of + * running workers hits the `concurrency` limit, and further tasks will be + * queued. + * @property {Function} unsaturated - a callback that is called when the number + * of running workers is less than the `concurrency` & `buffer` limits, and + * further tasks will not be queued. + * @property {number} buffer - A minimum threshold buffer in order to say that + * the `queue` is `unsaturated`. + * @property {Function} empty - a callback that is called when the last item + * from the `queue` is given to a `worker`. + * @property {Function} drain - a callback that is called when the last item + * from the `queue` has returned from the `worker`. + * @property {Function} error - a callback that is called when a task errors. + * Has the signature `function(error, task)`. + * @property {boolean} paused - a boolean for determining whether the queue is + * in a paused state. + * @property {Function} pause - a function that pauses the processing of tasks + * until `resume()` is called. Invoke with (). + * @property {Function} resume - a function that resumes the processing of + * queued tasks when the queue is paused. Invoke with (). + * @property {Function} kill - a function that removes the `drain` callback and + * empties remaining tasks from the queue forcing it to go idle. Invoke with (). + */ + +/** + * Creates a `queue` object with the specified `concurrency`. Tasks added to the + * `queue` are processed in parallel (up to the `concurrency` limit). If all + * `worker`s are in progress, the task is queued until one becomes available. + * Once a `worker` completes a `task`, that `task`'s callback is called. + * + * @name queue + * @static + * @memberOf async + * @category Control Flow + * @param {Function} worker - An asynchronous function for processing a queued + * task, which must call its `callback(err)` argument when finished, with an + * optional `error` as an argument. If you want to handle errors from an + * individual task, pass a callback to `q.push()`. Invoked with + * (task, callback). + * @param {number} [concurrency=1] - 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 {QueueObject} A queue object to manage the tasks. Callbacks can + * attached as certain properties to listen for specific events during the + * lifecycle of the queue. + * @example + * + * // create a queue object with concurrency 2 + * var q = async.queue(function(task, callback) { + * console.log('hello ' + task.name); + * callback(); + * }, 2); + * + * // assign a callback + * q.drain = function() { + * console.log('all items have been processed'); + * }; + * + * // add some items to the queue + * q.push({name: 'foo'}, function(err) { + * console.log('finished processing foo'); + * }); + * q.push({name: 'bar'}, function (err) { + * console.log('finished processing bar'); + * }); + * + * // add some items to the queue (batch-wise) + * q.push([{name: 'baz'},{name: 'bay'},{name: 'bax'}], function(err) { + * console.log('finished processing item'); + * }); + * + * // add some items to the front of the queue + * q.unshift({name: 'bar'}, function (err) { + * console.log('finished processing bar'); + * }); + */ +export default function (worker, concurrency) { + return queue(function (items, cb) { + worker(items[0], cb); + }, concurrency, 1); +} +</code></pre> + +</div> + +<footer class="footer"> + Generated by <a href="https://esdoc.org">ESDoc<span data-ice="esdocVersion">(0.4.7)</span></a> +</footer> + +<script src="script/search_index.js"></script> +<script src="script/search.js"></script> +<script src="script/pretty-print.js"></script> +<script src="script/inherited-summary.js"></script> +<script src="script/test-summary.js"></script> +<script src="script/inner-link.js"></script> +<script src="script/patch-for-local.js"></script> +</body> +</html> |