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author | Minteck <contact@minteck.org> | 2022-11-28 17:14:38 +0100 |
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committer | Minteck <contact@minteck.org> | 2022-11-28 17:14:38 +0100 |
commit | 18efd30a263ec0d79a26a82cbd8c90c9f81056b7 (patch) | |
tree | aea01bf3506dda706719fc68eb37b77ed9ef3fe8 /node_modules/async/series.js | |
download | autoreport-18efd30a263ec0d79a26a82cbd8c90c9f81056b7.tar.gz autoreport-18efd30a263ec0d79a26a82cbd8c90c9f81056b7.tar.bz2 autoreport-18efd30a263ec0d79a26a82cbd8c90c9f81056b7.zip |
Diffstat (limited to 'node_modules/async/series.js')
-rw-r--r-- | node_modules/async/series.js | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/node_modules/async/series.js b/node_modules/async/series.js new file mode 100644 index 0000000..56e78f9 --- /dev/null +++ b/node_modules/async/series.js @@ -0,0 +1,186 @@ +'use strict'; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.default = series; + +var _parallel2 = require('./internal/parallel.js'); + +var _parallel3 = _interopRequireDefault(_parallel2); + +var _eachOfSeries = require('./eachOfSeries.js'); + +var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +/** + * Run the functions in the `tasks` collection in series, each one running once + * the previous function has completed. If any functions in the series pass an + * error to its callback, no more functions are run, and `callback` is + * immediately called with the value of the error. Otherwise, `callback` + * receives an array of results when `tasks` have completed. + * + * It is also possible to use an object instead of an array. Each property will + * be run as a function, and the results will be passed to the final `callback` + * as an object instead of an array. This can be a more readable way of handling + * results from {@link async.series}. + * + * **Note** that while many implementations preserve the order of object + * properties, the [ECMAScript Language Specification](http://www.ecma-international.org/ecma-262/5.1/#sec-8.6) + * explicitly states that + * + * > The mechanics and order of enumerating the properties is not specified. + * + * So if you rely on the order in which your series of functions are executed, + * and want this to work on all platforms, consider using an array. + * + * @name series + * @static + * @memberOf module:ControlFlow + * @method + * @category Control Flow + * @param {Array|Iterable|AsyncIterable|Object} tasks - A collection containing + * [async functions]{@link AsyncFunction} to run in series. + * Each function can complete with any number of optional `result` values. + * @param {Function} [callback] - An optional callback to run once all the + * functions have completed. This function gets a results array (or object) + * containing all the result arguments passed to the `task` callbacks. Invoked + * with (err, result). + * @return {Promise} a promise, if no callback is passed + * @example + * + * //Using Callbacks + * async.series([ + * function(callback) { + * setTimeout(function() { + * // do some async task + * callback(null, 'one'); + * }, 200); + * }, + * function(callback) { + * setTimeout(function() { + * // then do another async task + * callback(null, 'two'); + * }, 100); + * } + * ], function(err, results) { + * console.log(results); + * // results is equal to ['one','two'] + * }); + * + * // an example using objects instead of arrays + * async.series({ + * one: function(callback) { + * setTimeout(function() { + * // do some async task + * callback(null, 1); + * }, 200); + * }, + * two: function(callback) { + * setTimeout(function() { + * // then do another async task + * callback(null, 2); + * }, 100); + * } + * }, function(err, results) { + * console.log(results); + * // results is equal to: { one: 1, two: 2 } + * }); + * + * //Using Promises + * async.series([ + * function(callback) { + * setTimeout(function() { + * callback(null, 'one'); + * }, 200); + * }, + * function(callback) { + * setTimeout(function() { + * callback(null, 'two'); + * }, 100); + * } + * ]).then(results => { + * console.log(results); + * // results is equal to ['one','two'] + * }).catch(err => { + * console.log(err); + * }); + * + * // an example using an object instead of an array + * async.series({ + * one: function(callback) { + * setTimeout(function() { + * // do some async task + * callback(null, 1); + * }, 200); + * }, + * two: function(callback) { + * setTimeout(function() { + * // then do another async task + * callback(null, 2); + * }, 100); + * } + * }).then(results => { + * console.log(results); + * // results is equal to: { one: 1, two: 2 } + * }).catch(err => { + * console.log(err); + * }); + * + * //Using async/await + * async () => { + * try { + * let results = await async.series([ + * function(callback) { + * setTimeout(function() { + * // do some async task + * callback(null, 'one'); + * }, 200); + * }, + * function(callback) { + * setTimeout(function() { + * // then do another async task + * callback(null, 'two'); + * }, 100); + * } + * ]); + * console.log(results); + * // results is equal to ['one','two'] + * } + * catch (err) { + * console.log(err); + * } + * } + * + * // an example using an object instead of an array + * async () => { + * try { + * let results = await async.parallel({ + * one: function(callback) { + * setTimeout(function() { + * // do some async task + * callback(null, 1); + * }, 200); + * }, + * two: function(callback) { + * setTimeout(function() { + * // then do another async task + * callback(null, 2); + * }, 100); + * } + * }); + * console.log(results); + * // results is equal to: { one: 1, two: 2 } + * } + * catch (err) { + * console.log(err); + * } + * } + * + */ +function series(tasks, callback) { + return (0, _parallel3.default)(_eachOfSeries2.default, tasks, callback); +} +module.exports = exports['default'];
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