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app_vue/node_modules/async/groupBy.js

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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.default = groupBy;
+
+var _groupByLimit = require('./groupByLimit.js');
+
+var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * Returns a new object, where each value corresponds to an array of items, from
+ * `coll`, that returned the corresponding key. That is, the keys of the object
+ * correspond to the values passed to the `iteratee` callback.
+ *
+ * Note: Since this function applies the `iteratee` to each item in parallel,
+ * there is no guarantee that the `iteratee` functions will complete in order.
+ * However, the values for each key in the `result` will be in the same order as
+ * the original `coll`. For Objects, the values will roughly be in the order of
+ * the original Objects' keys (but this can vary across JavaScript engines).
+ *
+ * @name groupBy
+ * @static
+ * @memberOf module:Collections
+ * @method
+ * @category Collection
+ * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
+ * @param {AsyncFunction} iteratee - An async function to apply to each item in
+ * `coll`.
+ * The iteratee should complete with a `key` to group the value under.
+ * Invoked with (value, callback).
+ * @param {Function} [callback] - A callback which is called when all `iteratee`
+ * functions have finished, or an error occurs. Result is an `Object` whoses
+ * properties are arrays of values which returned the corresponding key.
+ * @returns {Promise} a promise, if no callback is passed
+ * @example
+ *
+ * // dir1 is a directory that contains file1.txt, file2.txt
+ * // dir2 is a directory that contains file3.txt, file4.txt
+ * // dir3 is a directory that contains file5.txt
+ * // dir4 does not exist
+ *
+ * const files = ['dir1/file1.txt','dir2','dir4']
+ *
+ * // asynchronous function that detects file type as none, file, or directory
+ * function detectFile(file, callback) {
+ *     fs.stat(file, function(err, stat) {
+ *         if (err) {
+ *             return callback(null, 'none');
+ *         }
+ *         callback(null, stat.isDirectory() ? 'directory' : 'file');
+ *     });
+ * }
+ *
+ * //Using callbacks
+ * async.groupBy(files, detectFile, function(err, result) {
+ *     if(err) {
+ *         console.log(err);
+ *     } else {
+ *	       console.log(result);
+ *         // {
+ *         //     file: [ 'dir1/file1.txt' ],
+ *         //     none: [ 'dir4' ],
+ *         //     directory: [ 'dir2']
+ *         // }
+ *         // result is object containing the files grouped by type
+ *     }
+ * });
+ *
+ * // Using Promises
+ * async.groupBy(files, detectFile)
+ * .then( result => {
+ *     console.log(result);
+ *     // {
+ *     //     file: [ 'dir1/file1.txt' ],
+ *     //     none: [ 'dir4' ],
+ *     //     directory: [ 'dir2']
+ *     // }
+ *     // result is object containing the files grouped by type
+ * }).catch( err => {
+ *     console.log(err);
+ * });
+ *
+ * // Using async/await
+ * async () => {
+ *     try {
+ *         let result = await async.groupBy(files, detectFile);
+ *         console.log(result);
+ *         // {
+ *         //     file: [ 'dir1/file1.txt' ],
+ *         //     none: [ 'dir4' ],
+ *         //     directory: [ 'dir2']
+ *         // }
+ *         // result is object containing the files grouped by type
+ *     }
+ *     catch (err) {
+ *         console.log(err);
+ *     }
+ * }
+ *
+ */
+function groupBy(coll, iteratee, callback) {
+    return (0, _groupByLimit2.default)(coll, Infinity, iteratee, callback);
+}
+module.exports = exports.default;