docs/v3/reflectAll.js.html


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        <h1 class="page-title">reflectAll.js</h1>
        

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        <article>
            <pre class="prettyprint source linenums"><code>import reflect from &apos;./reflect.js&apos;

/**
 * A helper function that wraps an array or an object of functions with `reflect`.
 *
 * @name reflectAll
 * @static
 * @memberOf module:Utils
 * @method
 * @see [async.reflect]{@link module:Utils.reflect}
 * @category Util
 * @param {Array|Object|Iterable} tasks - The collection of
 * [async functions]{@link AsyncFunction} to wrap in `async.reflect`.
 * @returns {Array} Returns an array of async functions, each wrapped in
 * `async.reflect`
 * @example
 *
 * let tasks = [
 *     function(callback) {
 *         setTimeout(function() {
 *             callback(null, &apos;one&apos;);
 *         }, 200);
 *     },
 *     function(callback) {
 *         // do some more stuff but error ...
 *         callback(new Error(&apos;bad stuff happened&apos;));
 *     },
 *     function(callback) {
 *         setTimeout(function() {
 *             callback(null, &apos;two&apos;);
 *         }, 100);
 *     }
 * ];
 *
 * async.parallel(async.reflectAll(tasks),
 * // optional callback
 * function(err, results) {
 *     // values
 *     // results[0].value = &apos;one&apos;
 *     // results[1].error = Error(&apos;bad stuff happened&apos;)
 *     // results[2].value = &apos;two&apos;
 * });
 *
 * // an example using an object instead of an array
 * let tasks = {
 *     one: function(callback) {
 *         setTimeout(function() {
 *             callback(null, &apos;one&apos;);
 *         }, 200);
 *     },
 *     two: function(callback) {
 *         callback(&apos;two&apos;);
 *     },
 *     three: function(callback) {
 *         setTimeout(function() {
 *             callback(null, &apos;three&apos;);
 *         }, 100);
 *     }
 * };
 *
 * async.parallel(async.reflectAll(tasks),
 * // optional callback
 * function(err, results) {
 *     // values
 *     // results.one.value = &apos;one&apos;
 *     // results.two.error = &apos;two&apos;
 *     // results.three.value = &apos;three&apos;
 * });
 */
export default function reflectAll(tasks) {
    var results;
    if (Array.isArray(tasks)) {
        results = tasks.map(reflect);
    } else {
        results = {};
        Object.keys(tasks).forEach(key =&gt; {
            results[key] = reflect.call(this, tasks[key]);
        });
    }
    return results;
}
</code></pre>
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    <h3>Methods:</h3><ul class="nav methods"><li class="toc-header"><a href="docs.html#collections">Collections</a></li><li data-type="method" class="toc-method"><a href="docs.html#concat">concat</a></li><li data-type="method" class="toc-method"><a href="docs.html#concatLimit">concatLimit</a></li><li data-type="method" class="toc-method"><a href="docs.html#concatSeries">concatSeries</a></li><li data-type="method" class="toc-method"><a href="docs.html#detect">detect</a></li><li data-type="method" class="toc-method"><a href="docs.html#detectLimit">detectLimit</a></li><li data-type="method" class="toc-method"><a href="docs.html#detectSeries">detectSeries</a></li><li data-type="method" class="toc-method"><a href="docs.html#each">each</a></li><li data-type="method" class="toc-method"><a href="docs.html#eachLimit">eachLimit</a></li><li data-type="method" class="toc-method"><a href="docs.html#eachOf">eachOf</a></li><li data-type="method" class="toc-method"><a 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