First Commit of new way of building the Platform

This commit is contained in:
Luis Fernando Molina committed 2020-01-28 17:27:23 +01:00
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns `true` if every element in `coll` satisfies an async test. If any
* iteratee call returns `false`, the main `callback` is immediately called.
*
* @name every
* @static
* @memberOf module:Collections
* @method
* @alias all
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
* @example
*
* async.every(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // if result is true then every file exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
*
* @name everyLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _everyLimit = require('./everyLimit');
var _everyLimit2 = _interopRequireDefault(_everyLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
*
* @name everySeries
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in series.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doLimit2.default)(_everyLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns `true` if at least one element in the `coll` satisfies an async test.
* If any iteratee call returns `true`, the main `callback` is immediately
* called.
*
* @name some
* @static
* @memberOf module:Collections
* @method
* @alias any
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collections in parallel.
* The iteratee should complete with a boolean `result` value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the iteratee functions have finished.
* Result will be either `true` or `false` depending on the values of the async
* tests. Invoked with (err, result).
* @example
*
* async.some(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // if result is true then at least one of the files exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(Boolean, _identity2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`some`]{@link module:Collections.some} but runs a maximum of `limit` async operations at a time.
*
* @name someLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.some]{@link module:Collections.some}
* @alias anyLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collections in parallel.
* The iteratee should complete with a boolean `result` value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the iteratee functions have finished.
* Result will be either `true` or `false` depending on the values of the async
* tests. Invoked with (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(Boolean, _identity2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _someLimit = require('./someLimit');
var _someLimit2 = _interopRequireDefault(_someLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`some`]{@link module:Collections.some} but runs only a single async operation at a time.
*
* @name someSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.some]{@link module:Collections.some}
* @alias anySeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collections in series.
* The iteratee should complete with a boolean `result` value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the iteratee functions have finished.
* Result will be either `true` or `false` depending on the values of the async
* tests. Invoked with (err, result).
*/
exports.default = (0, _doLimit2.default)(_someLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (fn /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
return function () /*callArgs*/{
var callArgs = (0, _slice2.default)(arguments);
return fn.apply(null, args.concat(callArgs));
};
};
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* Creates a continuation function with some arguments already applied.
*
* Useful as a shorthand when combined with other control flow functions. Any
* arguments passed to the returned function are added to the arguments
* originally passed to apply.
*
* @name apply
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {Function} fn - The function you want to eventually apply all
* arguments to. Invokes with (arguments...).
* @param {...*} arguments... - Any number of arguments to automatically apply
* when the continuation is called.
* @returns {Function} the partially-applied function
* @example
*
* // using apply
* async.parallel([
* async.apply(fs.writeFile, 'testfile1', 'test1'),
* async.apply(fs.writeFile, 'testfile2', 'test2')
* ]);
*
*
* // the same process without using apply
* async.parallel([
* function(callback) {
* fs.writeFile('testfile1', 'test1', callback);
* },
* function(callback) {
* fs.writeFile('testfile2', 'test2', callback);
* }
* ]);
*
* // It's possible to pass any number of additional arguments when calling the
* // continuation:
*
* node> var fn = async.apply(sys.puts, 'one');
* node> fn('two', 'three');
* one
* two
* three
*/
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _applyEach = require('./internal/applyEach');
var _applyEach2 = _interopRequireDefault(_applyEach);
var _map = require('./map');
var _map2 = _interopRequireDefault(_map);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies the provided arguments to each function in the array, calling
* `callback` after all functions have completed. If you only provide the first
* argument, `fns`, then it will return a function which lets you pass in the
* arguments as if it were a single function call. If more arguments are
* provided, `callback` is required while `args` is still optional.
*
* @name applyEach
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s
* to all call with the same arguments
* @param {...*} [args] - any number of separate arguments to pass to the
* function.
* @param {Function} [callback] - the final argument should be the callback,
* called when all functions have completed processing.
* @returns {Function} - If only the first argument, `fns`, is provided, it will
* return a function which lets you pass in the arguments as if it were a single
* function call. The signature is `(..args, callback)`. If invoked with any
* arguments, `callback` is required.
* @example
*
* async.applyEach([enableSearch, updateSchema], 'bucket', callback);
*
* // partial application example:
* async.each(
* buckets,
* async.applyEach([enableSearch, updateSchema]),
* callback
* );
*/
exports.default = (0, _applyEach2.default)(_map2.default);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _applyEach = require('./internal/applyEach');
var _applyEach2 = _interopRequireDefault(_applyEach);
var _mapSeries = require('./mapSeries');
var _mapSeries2 = _interopRequireDefault(_mapSeries);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`applyEach`]{@link module:ControlFlow.applyEach} but runs only a single async operation at a time.
*
* @name applyEachSeries
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.applyEach]{@link module:ControlFlow.applyEach}
* @category Control Flow
* @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s to all
* call with the same arguments
* @param {...*} [args] - any number of separate arguments to pass to the
* function.
* @param {Function} [callback] - the final argument should be the callback,
* called when all functions have completed processing.
* @returns {Function} - If only the first argument is provided, it will return
* a function which lets you pass in the arguments as if it were a single
* function call.
*/
exports.default = (0, _applyEach2.default)(_mapSeries2.default);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = asyncify;
var _isObject = require('lodash/isObject');
var _isObject2 = _interopRequireDefault(_isObject);
var _initialParams = require('./internal/initialParams');
var _initialParams2 = _interopRequireDefault(_initialParams);
var _setImmediate = require('./internal/setImmediate');
var _setImmediate2 = _interopRequireDefault(_setImmediate);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Take a sync function and make it async, passing its return value to a
* callback. This is useful for plugging sync functions into a waterfall,
* series, or other async functions. Any arguments passed to the generated
* function will be passed to the wrapped function (except for the final
* callback argument). Errors thrown will be passed to the callback.
*
* If the function passed to `asyncify` returns a Promise, that promises's
* resolved/rejected state will be used to call the callback, rather than simply
* the synchronous return value.
*
* This also means you can asyncify ES2017 `async` functions.
*
* @name asyncify
* @static
* @memberOf module:Utils
* @method
* @alias wrapSync
* @category Util
* @param {Function} func - The synchronous function, or Promise-returning
* function to convert to an {@link AsyncFunction}.
* @returns {AsyncFunction} An asynchronous wrapper of the `func`. To be
* invoked with `(args..., callback)`.
* @example
*
* // passing a regular synchronous function
* async.waterfall([
* async.apply(fs.readFile, filename, "utf8"),
* async.asyncify(JSON.parse),
* function (data, next) {
* // data is the result of parsing the text.
* // If there was a parsing error, it would have been caught.
* }
* ], callback);
*
* // passing a function returning a promise
* async.waterfall([
* async.apply(fs.readFile, filename, "utf8"),
* async.asyncify(function (contents) {
* return db.model.create(contents);
* }),
* function (model, next) {
* // `model` is the instantiated model object.
* // If there was an error, this function would be skipped.
* }
* ], callback);
*
* // es2017 example, though `asyncify` is not needed if your JS environment
* // supports async functions out of the box
* var q = async.queue(async.asyncify(async function(file) {
* var intermediateStep = await processFile(file);
* return await somePromise(intermediateStep)
* }));
*
* q.push(files);
*/
function asyncify(func) {
return (0, _initialParams2.default)(function (args, callback) {
var result;
try {
result = func.apply(this, args);
} catch (e) {
return callback(e);
}
// if result is Promise object
if ((0, _isObject2.default)(result) && typeof result.then === 'function') {
result.then(function (value) {
invokeCallback(callback, null, value);
}, function (err) {
invokeCallback(callback, err.message ? err : new Error(err));
});
} else {
callback(null, result);
}
});
}
function invokeCallback(callback, error, value) {
try {
callback(error, value);
} catch (e) {
(0, _setImmediate2.default)(rethrow, e);
}
}
function rethrow(error) {
throw error;
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (tasks, concurrency, callback) {
if (typeof concurrency === 'function') {
// concurrency is optional, shift the args.
callback = concurrency;
concurrency = null;
}
callback = (0, _once2.default)(callback || _noop2.default);
var keys = (0, _keys2.default)(tasks);
var numTasks = keys.length;
if (!numTasks) {
return callback(null);
}
if (!concurrency) {
concurrency = numTasks;
}
var results = {};
var runningTasks = 0;
var hasError = false;
var listeners = Object.create(null);
var readyTasks = [];
// for cycle detection:
var readyToCheck = []; // tasks that have been identified as reachable
// without the possibility of returning to an ancestor task
var uncheckedDependencies = {};
(0, _baseForOwn2.default)(tasks, function (task, key) {
if (!(0, _isArray2.default)(task)) {
// no dependencies
enqueueTask(key, [task]);
readyToCheck.push(key);
return;
}
var dependencies = task.slice(0, task.length - 1);
var remainingDependencies = dependencies.length;
if (remainingDependencies === 0) {
enqueueTask(key, task);
readyToCheck.push(key);
return;
}
uncheckedDependencies[key] = remainingDependencies;
(0, _arrayEach2.default)(dependencies, function (dependencyName) {
if (!tasks[dependencyName]) {
throw new Error('async.auto task `' + key + '` has a non-existent dependency `' + dependencyName + '` in ' + dependencies.join(', '));
}
addListener(dependencyName, function () {
remainingDependencies--;
if (remainingDependencies === 0) {
enqueueTask(key, task);
}
});
});
});
checkForDeadlocks();
processQueue();
function enqueueTask(key, task) {
readyTasks.push(function () {
runTask(key, task);
});
}
function processQueue() {
if (readyTasks.length === 0 && runningTasks === 0) {
return callback(null, results);
}
while (readyTasks.length && runningTasks < concurrency) {
var run = readyTasks.shift();
run();
}
}
function addListener(taskName, fn) {
var taskListeners = listeners[taskName];
if (!taskListeners) {
taskListeners = listeners[taskName] = [];
}
taskListeners.push(fn);
}
function taskComplete(taskName) {
var taskListeners = listeners[taskName] || [];
(0, _arrayEach2.default)(taskListeners, function (fn) {
fn();
});
processQueue();
}
function runTask(key, task) {
if (hasError) return;
var taskCallback = (0, _onlyOnce2.default)(function (err, result) {
runningTasks--;
if (arguments.length > 2) {
result = (0, _slice2.default)(arguments, 1);
}
if (err) {
var safeResults = {};
(0, _baseForOwn2.default)(results, function (val, rkey) {
safeResults[rkey] = val;
});
safeResults[key] = result;
hasError = true;
listeners = Object.create(null);
callback(err, safeResults);
} else {
results[key] = result;
taskComplete(key);
}
});
runningTasks++;
var taskFn = (0, _wrapAsync2.default)(task[task.length - 1]);
if (task.length > 1) {
taskFn(results, taskCallback);
} else {
taskFn(taskCallback);
}
}
function checkForDeadlocks() {
// Kahn's algorithm
// https://en.wikipedia.org/wiki/Topological_sorting#Kahn.27s_algorithm
// http://connalle.blogspot.com/2013/10/topological-sortingkahn-algorithm.html
var currentTask;
var counter = 0;
while (readyToCheck.length) {
currentTask = readyToCheck.pop();
counter++;
(0, _arrayEach2.default)(getDependents(currentTask), function (dependent) {
if (--uncheckedDependencies[dependent] === 0) {
readyToCheck.push(dependent);
}
});
}
if (counter !== numTasks) {
throw new Error('async.auto cannot execute tasks due to a recursive dependency');
}
}
function getDependents(taskName) {
var result = [];
(0, _baseForOwn2.default)(tasks, function (task, key) {
if ((0, _isArray2.default)(task) && (0, _baseIndexOf2.default)(task, taskName, 0) >= 0) {
result.push(key);
}
});
return result;
}
};
var _arrayEach = require('lodash/_arrayEach');
var _arrayEach2 = _interopRequireDefault(_arrayEach);
var _baseForOwn = require('lodash/_baseForOwn');
var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
var _baseIndexOf = require('lodash/_baseIndexOf');
var _baseIndexOf2 = _interopRequireDefault(_baseIndexOf);
var _isArray = require('lodash/isArray');
var _isArray2 = _interopRequireDefault(_isArray);
var _keys = require('lodash/keys');
var _keys2 = _interopRequireDefault(_keys);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
module.exports = exports['default'];
/**
* Determines the best order for running the {@link AsyncFunction}s in `tasks`, based on
* their requirements. Each function can optionally depend on other functions
* being completed first, and each function is run as soon as its requirements
* are satisfied.
*
* If any of the {@link AsyncFunction}s pass an error to their callback, the `auto` sequence
* will stop. Further tasks will not execute (so any other functions depending
* on it will not run), and the main `callback` is immediately called with the
* error.
*
* {@link AsyncFunction}s also receive an object containing the results of functions which
* have completed so far as the first argument, if they have dependencies. If a
* task function has no dependencies, it will only be passed a callback.
*
* @name auto
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {Object} tasks - An object. Each of its properties is either a
* function or an array of requirements, with the {@link AsyncFunction} itself the last item
* in the array. The object's key of a property serves as the name of the task
* defined by that property, i.e. can be used when specifying requirements for
* other tasks. The function receives one or two arguments:
* * a `results` object, containing the results of the previously executed
* functions, only passed if the task has any dependencies,
* * a `callback(err, result)` function, which must be called when finished,
* passing an `error` (which can be `null`) and the result of the function's
* execution.
* @param {number} [concurrency=Infinity] - An optional `integer` for
* determining the maximum number of tasks that can be run in parallel. By
* default, as many as possible.
* @param {Function} [callback] - An optional callback which is called when all
* the tasks have been completed. It receives the `err` argument if any `tasks`
* pass an error to their callback. Results are always returned; however, if an
* error occurs, no further `tasks` will be performed, and the results object
* will only contain partial results. Invoked with (err, results).
* @returns undefined
* @example
*
* async.auto({
* // this function will just be passed a callback
* readData: async.apply(fs.readFile, 'data.txt', 'utf-8'),
* showData: ['readData', function(results, cb) {
* // results.readData is the file's contents
* // ...
* }]
* }, callback);
*
* async.auto({
* get_data: function(callback) {
* console.log('in get_data');
* // async code to get some data
* callback(null, 'data', 'converted to array');
* },
* make_folder: function(callback) {
* console.log('in make_folder');
* // async code to create a directory to store a file in
* // this is run at the same time as getting the data
* callback(null, 'folder');
* },
* write_file: ['get_data', 'make_folder', function(results, callback) {
* console.log('in write_file', JSON.stringify(results));
* // once there is some data and the directory exists,
* // write the data to a file in the directory
* callback(null, 'filename');
* }],
* email_link: ['write_file', function(results, callback) {
* console.log('in email_link', JSON.stringify(results));
* // once the file is written let's email a link to it...
* // results.write_file contains the filename returned by write_file.
* callback(null, {'file':results.write_file, 'email':'user@example.com'});
* }]
* }, function(err, results) {
* console.log('err = ', err);
* console.log('results = ', results);
* });
*/
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = autoInject;
var _auto = require('./auto');
var _auto2 = _interopRequireDefault(_auto);
var _baseForOwn = require('lodash/_baseForOwn');
var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
var _arrayMap = require('lodash/_arrayMap');
var _arrayMap2 = _interopRequireDefault(_arrayMap);
var _isArray = require('lodash/isArray');
var _isArray2 = _interopRequireDefault(_isArray);
var _trim = require('lodash/trim');
var _trim2 = _interopRequireDefault(_trim);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var FN_ARGS = /^(?:async\s+)?(function)?\s*[^\(]*\(\s*([^\)]*)\)/m;
var FN_ARG_SPLIT = /,/;
var FN_ARG = /(=.+)?(\s*)$/;
var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
function parseParams(func) {
func = func.toString().replace(STRIP_COMMENTS, '');
func = func.match(FN_ARGS)[2].replace(' ', '');
func = func ? func.split(FN_ARG_SPLIT) : [];
func = func.map(function (arg) {
return (0, _trim2.default)(arg.replace(FN_ARG, ''));
});
return func;
}
/**
* A dependency-injected version of the [async.auto]{@link module:ControlFlow.auto} function. Dependent
* tasks are specified as parameters to the function, after the usual callback
* parameter, with the parameter names matching the names of the tasks it
* depends on. This can provide even more readable task graphs which can be
* easier to maintain.
*
* If a final callback is specified, the task results are similarly injected,
* specified as named parameters after the initial error parameter.
*
* The autoInject function is purely syntactic sugar and its semantics are
* otherwise equivalent to [async.auto]{@link module:ControlFlow.auto}.
*
* @name autoInject
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.auto]{@link module:ControlFlow.auto}
* @category Control Flow
* @param {Object} tasks - An object, each of whose properties is an {@link AsyncFunction} of
* the form 'func([dependencies...], callback). The object's key of a property
* serves as the name of the task defined by that property, i.e. can be used
* when specifying requirements for other tasks.
* * The `callback` parameter is a `callback(err, result)` which must be called
* when finished, passing an `error` (which can be `null`) and the result of
* the function's execution. The remaining parameters name other tasks on
* which the task is dependent, and the results from those tasks are the
* arguments of those parameters.
* @param {Function} [callback] - An optional callback which is called when all
* the tasks have been completed. It receives the `err` argument if any `tasks`
* pass an error to their callback, and a `results` object with any completed
* task results, similar to `auto`.
* @example
*
* // The example from `auto` can be rewritten as follows:
* async.autoInject({
* get_data: function(callback) {
* // async code to get some data
* callback(null, 'data', 'converted to array');
* },
* make_folder: function(callback) {
* // async code to create a directory to store a file in
* // this is run at the same time as getting the data
* callback(null, 'folder');
* },
* write_file: function(get_data, make_folder, callback) {
* // once there is some data and the directory exists,
* // write the data to a file in the directory
* callback(null, 'filename');
* },
* email_link: function(write_file, callback) {
* // once the file is written let's email a link to it...
* // write_file contains the filename returned by write_file.
* callback(null, {'file':write_file, 'email':'user@example.com'});
* }
* }, function(err, results) {
* console.log('err = ', err);
* console.log('email_link = ', results.email_link);
* });
*
* // If you are using a JS minifier that mangles parameter names, `autoInject`
* // will not work with plain functions, since the parameter names will be
* // collapsed to a single letter identifier. To work around this, you can
* // explicitly specify the names of the parameters your task function needs
* // in an array, similar to Angular.js dependency injection.
*
* // This still has an advantage over plain `auto`, since the results a task
* // depends on are still spread into arguments.
* async.autoInject({
* //...
* write_file: ['get_data', 'make_folder', function(get_data, make_folder, callback) {
* callback(null, 'filename');
* }],
* email_link: ['write_file', function(write_file, callback) {
* callback(null, {'file':write_file, 'email':'user@example.com'});
* }]
* //...
* }, function(err, results) {
* console.log('err = ', err);
* console.log('email_link = ', results.email_link);
* });
*/
function autoInject(tasks, callback) {
var newTasks = {};
(0, _baseForOwn2.default)(tasks, function (taskFn, key) {
var params;
var fnIsAsync = (0, _wrapAsync.isAsync)(taskFn);
var hasNoDeps = !fnIsAsync && taskFn.length === 1 || fnIsAsync && taskFn.length === 0;
if ((0, _isArray2.default)(taskFn)) {
params = taskFn.slice(0, -1);
taskFn = taskFn[taskFn.length - 1];
newTasks[key] = params.concat(params.length > 0 ? newTask : taskFn);
} else if (hasNoDeps) {
// no dependencies, use the function as-is
newTasks[key] = taskFn;
} else {
params = parseParams(taskFn);
if (taskFn.length === 0 && !fnIsAsync && params.length === 0) {
throw new Error("autoInject task functions require explicit parameters.");
}
// remove callback param
if (!fnIsAsync) params.pop();
newTasks[key] = params.concat(newTask);
}
function newTask(results, taskCb) {
var newArgs = (0, _arrayMap2.default)(params, function (name) {
return results[name];
});
newArgs.push(taskCb);
(0, _wrapAsync2.default)(taskFn).apply(null, newArgs);
}
});
(0, _auto2.default)(newTasks, callback);
}
module.exports = exports['default'];
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{
"name": "async",
"main": "dist/async.js",
"ignore": [
"bower_components",
"lib",
"mocha_test",
"node_modules",
"perf",
"support",
"**/.*",
"*.config.js",
"*.json",
"index.js",
"Makefile"
]
}
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = cargo;
var _queue = require('./internal/queue');
var _queue2 = _interopRequireDefault(_queue);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* A cargo of tasks for the worker function to complete. Cargo inherits all of
* the same methods and event callbacks as [`queue`]{@link module:ControlFlow.queue}.
* @typedef {Object} CargoObject
* @memberOf module:ControlFlow
* @property {Function} length - A function returning the number of items
* waiting to be processed. Invoke like `cargo.length()`.
* @property {number} payload - An `integer` for determining how many tasks
* should be process per round. This property can be changed after a `cargo` is
* created to alter the payload on-the-fly.
* @property {Function} push - Adds `task` to the `queue`. The callback is
* called once the `worker` has finished processing the task. Instead of a
* single task, an array of `tasks` can be submitted. The respective callback is
* used for every task in the list. Invoke like `cargo.push(task, [callback])`.
* @property {Function} saturated - A callback that is called when the
* `queue.length()` hits the concurrency and further tasks will be queued.
* @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} idle - a function returning false if there are items
* waiting or being processed, or true if not. Invoke like `cargo.idle()`.
* @property {Function} pause - a function that pauses the processing of tasks
* until `resume()` is called. Invoke like `cargo.pause()`.
* @property {Function} resume - a function that resumes the processing of
* queued tasks when the queue is paused. Invoke like `cargo.resume()`.
* @property {Function} kill - a function that removes the `drain` callback and
* empties remaining tasks from the queue forcing it to go idle. Invoke like `cargo.kill()`.
*/
/**
* Creates a `cargo` object with the specified payload. Tasks added to the
* cargo will be processed altogether (up to the `payload` limit). If the
* `worker` is in progress, the task is queued until it becomes available. Once
* the `worker` has completed some tasks, each callback of those tasks is
* called. Check out [these](https://camo.githubusercontent.com/6bbd36f4cf5b35a0f11a96dcd2e97711ffc2fb37/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130382f62626330636662302d356632392d313165322d393734662d3333393763363464633835382e676966) [animations](https://camo.githubusercontent.com/f4810e00e1c5f5f8addbe3e9f49064fd5d102699/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130312f38346339323036362d356632392d313165322d383134662d3964336430323431336266642e676966)
* for how `cargo` and `queue` work.
*
* While [`queue`]{@link module:ControlFlow.queue} passes only one task to one of a group of workers
* at a time, cargo passes an array of tasks to a single worker, repeating
* when the worker is finished.
*
* @name cargo
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.queue]{@link module:ControlFlow.queue}
* @category Control Flow
* @param {AsyncFunction} worker - An asynchronous function for processing an array
* of queued tasks. Invoked with `(tasks, callback)`.
* @param {number} [payload=Infinity] - An optional `integer` for determining
* how many tasks should be processed per round; if omitted, the default is
* unlimited.
* @returns {module:ControlFlow.CargoObject} A cargo object to manage the tasks. Callbacks can
* attached as certain properties to listen for specific events during the
* lifecycle of the cargo and inner queue.
* @example
*
* // create a cargo object with payload 2
* var cargo = async.cargo(function(tasks, callback) {
* for (var i=0; i<tasks.length; i++) {
* console.log('hello ' + tasks[i].name);
* }
* callback();
* }, 2);
*
* // add some items
* cargo.push({name: 'foo'}, function(err) {
* console.log('finished processing foo');
* });
* cargo.push({name: 'bar'}, function(err) {
* console.log('finished processing bar');
* });
* cargo.push({name: 'baz'}, function(err) {
* console.log('finished processing baz');
* });
*/
function cargo(worker, payload) {
return (0, _queue2.default)(worker, 1, payload);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function () /*...args*/{
return _seq2.default.apply(null, (0, _slice2.default)(arguments).reverse());
};
var _seq = require('./seq');
var _seq2 = _interopRequireDefault(_seq);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* Creates a function which is a composition of the passed asynchronous
* functions. Each function consumes the return value of the function that
* follows. Composing functions `f()`, `g()`, and `h()` would produce the result
* of `f(g(h()))`, only this version uses callbacks to obtain the return values.
*
* Each function is executed with the `this` binding of the composed function.
*
* @name compose
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {...AsyncFunction} functions - the asynchronous functions to compose
* @returns {Function} an asynchronous function that is the composed
* asynchronous `functions`
* @example
*
* function add1(n, callback) {
* setTimeout(function () {
* callback(null, n + 1);
* }, 10);
* }
*
* function mul3(n, callback) {
* setTimeout(function () {
* callback(null, n * 3);
* }, 10);
* }
*
* var add1mul3 = async.compose(mul3, add1);
* add1mul3(4, function (err, result) {
* // result now equals 15
* });
*/
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _concatLimit = require('./concatLimit');
var _concatLimit2 = _interopRequireDefault(_concatLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies `iteratee` to each item in `coll`, concatenating the results. Returns
* the concatenated list. The `iteratee`s are called in parallel, and the
* results are concatenated as they return. There is no guarantee that the
* results array will be returned in the original order of `coll` passed to the
* `iteratee` function.
*
* @name concat
* @static
* @memberOf module:Collections
* @method
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
* which should use an array as its result. Invoked with (item, callback).
* @param {Function} [callback(err)] - A callback which is called after all the
* `iteratee` functions have finished, or an error occurs. Results is an array
* containing the concatenated results of the `iteratee` function. Invoked with
* (err, results).
* @example
*
* async.concat(['dir1','dir2','dir3'], fs.readdir, function(err, files) {
* // files is now a list of filenames that exist in the 3 directories
* });
*/
exports.default = (0, _doLimit2.default)(_concatLimit2.default, Infinity);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, limit, iteratee, callback) {
callback = callback || _noop2.default;
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _mapLimit2.default)(coll, limit, function (val, callback) {
_iteratee(val, function (err /*, ...args*/) {
if (err) return callback(err);
return callback(null, (0, _slice2.default)(arguments, 1));
});
}, function (err, mapResults) {
var result = [];
for (var i = 0; i < mapResults.length; i++) {
if (mapResults[i]) {
result = _concat.apply(result, mapResults[i]);
}
}
return callback(err, result);
});
};
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _mapLimit = require('./mapLimit');
var _mapLimit2 = _interopRequireDefault(_mapLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var _concat = Array.prototype.concat;
/**
* The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time.
*
* @name concatLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.concat]{@link module:Collections.concat}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
* which should use an array as its result. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished, or an error occurs. Results is an array
* containing the concatenated results of the `iteratee` function. Invoked with
* (err, results).
*/
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _concatLimit = require('./concatLimit');
var _concatLimit2 = _interopRequireDefault(_concatLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`concat`]{@link module:Collections.concat} but runs only a single async operation at a time.
*
* @name concatSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.concat]{@link module:Collections.concat}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
* The iteratee should complete with an array an array of results.
* Invoked with (item, callback).
* @param {Function} [callback(err)] - A callback which is called after all the
* `iteratee` functions have finished, or an error occurs. Results is an array
* containing the concatenated results of the `iteratee` function. Invoked with
* (err, results).
*/
exports.default = (0, _doLimit2.default)(_concatLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function () /*...values*/{
var values = (0, _slice2.default)(arguments);
var args = [null].concat(values);
return function () /*...ignoredArgs, callback*/{
var callback = arguments[arguments.length - 1];
return callback.apply(this, args);
};
};
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* Returns a function that when called, calls-back with the values provided.
* Useful as the first function in a [`waterfall`]{@link module:ControlFlow.waterfall}, or for plugging values in to
* [`auto`]{@link module:ControlFlow.auto}.
*
* @name constant
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {...*} arguments... - Any number of arguments to automatically invoke
* callback with.
* @returns {AsyncFunction} Returns a function that when invoked, automatically
* invokes the callback with the previous given arguments.
* @example
*
* async.waterfall([
* async.constant(42),
* function (value, next) {
* // value === 42
* },
* //...
* ], callback);
*
* async.waterfall([
* async.constant(filename, "utf8"),
* fs.readFile,
* function (fileData, next) {
* //...
* }
* //...
* ], callback);
*
* async.auto({
* hostname: async.constant("https://server.net/"),
* port: findFreePort,
* launchServer: ["hostname", "port", function (options, cb) {
* startServer(options, cb);
* }],
* //...
* }, callback);
*/
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns the first value in `coll` that passes an async truth test. The
* `iteratee` is applied in parallel, meaning the first iteratee to return
* `true` will fire the detect `callback` with that result. That means the
* result might not be the first item in the original `coll` (in terms of order)
* that passes the test.
* If order within the original `coll` is important, then look at
* [`detectSeries`]{@link module:Collections.detectSeries}.
*
* @name detect
* @static
* @memberOf module:Collections
* @method
* @alias find
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
* @example
*
* async.detect(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // result now equals the first file in the list that exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
* time.
*
* @name detectLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findLimit
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _detectLimit = require('./detectLimit');
var _detectLimit2 = _interopRequireDefault(_detectLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
*
* @name detectSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findSeries
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doLimit2.default)(_detectLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _consoleFunc = require('./internal/consoleFunc');
var _consoleFunc2 = _interopRequireDefault(_consoleFunc);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Logs the result of an [`async` function]{@link AsyncFunction} to the
* `console` using `console.dir` to display the properties of the resulting object.
* Only works in Node.js or in browsers that support `console.dir` and
* `console.error` (such as FF and Chrome).
* If multiple arguments are returned from the async function,
* `console.dir` is called on each argument in order.
*
* @name dir
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {AsyncFunction} function - The function you want to eventually apply
* all arguments to.
* @param {...*} arguments... - Any number of arguments to apply to the function.
* @example
*
* // in a module
* var hello = function(name, callback) {
* setTimeout(function() {
* callback(null, {hello: name});
* }, 1000);
* };
*
* // in the node repl
* node> async.dir(hello, 'world');
* {hello: 'world'}
*/
exports.default = (0, _consoleFunc2.default)('dir');
module.exports = exports['default'];
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+2
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!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(n.async=n.async||{})}(this,function(n){"use strict";function t(n,t){t|=0;for(var e=Math.max(n.length-t,0),r=Array(e),u=0;u<e;u++)r[u]=n[t+u];return r}function e(n){var t=typeof n;return null!=n&&("object"==t||"function"==t)}function r(n){setTimeout(n,0)}function u(n){return function(e){var r=t(arguments,1);n(function(){e.apply(null,r)})}}function i(n){return ct(function(t,r){var u;try{u=n.apply(this,t)}catch(n){return r(n)}e(u)&&"function"==typeof u.then?u.then(function(n){o(r,null,n)},function(n){o(r,n.message?n:new Error(n))}):r(null,u)})}function o(n,t,e){try{n(t,e)}catch(n){lt(c,n)}}function c(n){throw n}function f(n){return st&&"AsyncFunction"===n[Symbol.toStringTag]}function a(n){return f(n)?i(n):n}function l(n){return function(e){var r=t(arguments,1),u=ct(function(t,r){var u=this;return 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//# sourceMappingURL=async.min.map
+66
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doDuring;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The post-check version of [`during`]{@link module:ControlFlow.during}. To reflect the difference in
* the order of operations, the arguments `test` and `fn` are switched.
*
* Also a version of [`doWhilst`]{@link module:ControlFlow.doWhilst} with asynchronous `test` function.
* @name doDuring
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.during]{@link module:ControlFlow.during}
* @category Control Flow
* @param {AsyncFunction} fn - An async function which is called each time
* `test` passes. Invoked with (callback).
* @param {AsyncFunction} test - asynchronous truth test to perform before each
* execution of `fn`. Invoked with (...args, callback), where `...args` are the
* non-error args from the previous callback of `fn`.
* @param {Function} [callback] - A callback which is called after the test
* function has failed and repeated execution of `fn` has stopped. `callback`
* will be passed an error if one occurred, otherwise `null`.
*/
function doDuring(fn, test, callback) {
callback = (0, _onlyOnce2.default)(callback || _noop2.default);
var _fn = (0, _wrapAsync2.default)(fn);
var _test = (0, _wrapAsync2.default)(test);
function next(err /*, ...args*/) {
if (err) return callback(err);
var args = (0, _slice2.default)(arguments, 1);
args.push(check);
_test.apply(this, args);
};
function check(err, truth) {
if (err) return callback(err);
if (!truth) return callback(null);
_fn(next);
}
check(null, true);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doUntil;
var _doWhilst = require('./doWhilst');
var _doWhilst2 = _interopRequireDefault(_doWhilst);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Like ['doWhilst']{@link module:ControlFlow.doWhilst}, except the `test` is inverted. Note the
* argument ordering differs from `until`.
*
* @name doUntil
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.doWhilst]{@link module:ControlFlow.doWhilst}
* @category Control Flow
* @param {AsyncFunction} iteratee - An async function which is called each time
* `test` fails. Invoked with (callback).
* @param {Function} test - synchronous truth test to perform after each
* execution of `iteratee`. Invoked with any non-error callback results of
* `iteratee`.
* @param {Function} [callback] - A callback which is called after the test
* function has passed and repeated execution of `iteratee` has stopped. `callback`
* will be passed an error and any arguments passed to the final `iteratee`'s
* callback. Invoked with (err, [results]);
*/
function doUntil(iteratee, test, callback) {
(0, _doWhilst2.default)(iteratee, function () {
return !test.apply(this, arguments);
}, callback);
}
module.exports = exports['default'];
+59
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doWhilst;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The post-check version of [`whilst`]{@link module:ControlFlow.whilst}. To reflect the difference in
* the order of operations, the arguments `test` and `iteratee` are switched.
*
* `doWhilst` is to `whilst` as `do while` is to `while` in plain JavaScript.
*
* @name doWhilst
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.whilst]{@link module:ControlFlow.whilst}
* @category Control Flow
* @param {AsyncFunction} iteratee - A function which is called each time `test`
* passes. Invoked with (callback).
* @param {Function} test - synchronous truth test to perform after each
* execution of `iteratee`. Invoked with any non-error callback results of
* `iteratee`.
* @param {Function} [callback] - A callback which is called after the test
* function has failed and repeated execution of `iteratee` has stopped.
* `callback` will be passed an error and any arguments passed to the final
* `iteratee`'s callback. Invoked with (err, [results]);
*/
function doWhilst(iteratee, test, callback) {
callback = (0, _onlyOnce2.default)(callback || _noop2.default);
var _iteratee = (0, _wrapAsync2.default)(iteratee);
var next = function (err /*, ...args*/) {
if (err) return callback(err);
var args = (0, _slice2.default)(arguments, 1);
if (test.apply(this, args)) return _iteratee(next);
callback.apply(null, [null].concat(args));
};
_iteratee(next);
}
module.exports = exports['default'];
+76
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = during;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Like [`whilst`]{@link module:ControlFlow.whilst}, except the `test` is an asynchronous function that
* is passed a callback in the form of `function (err, truth)`. If error is
* passed to `test` or `fn`, the main callback is immediately called with the
* value of the error.
*
* @name during
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.whilst]{@link module:ControlFlow.whilst}
* @category Control Flow
* @param {AsyncFunction} test - asynchronous truth test to perform before each
* execution of `fn`. Invoked with (callback).
* @param {AsyncFunction} fn - An async function which is called each time
* `test` passes. Invoked with (callback).
* @param {Function} [callback] - A callback which is called after the test
* function has failed and repeated execution of `fn` has stopped. `callback`
* will be passed an error, if one occurred, otherwise `null`.
* @example
*
* var count = 0;
*
* async.during(
* function (callback) {
* return callback(null, count < 5);
* },
* function (callback) {
* count++;
* setTimeout(callback, 1000);
* },
* function (err) {
* // 5 seconds have passed
* }
* );
*/
function during(test, fn, callback) {
callback = (0, _onlyOnce2.default)(callback || _noop2.default);
var _fn = (0, _wrapAsync2.default)(fn);
var _test = (0, _wrapAsync2.default)(test);
function next(err) {
if (err) return callback(err);
_test(check);
}
function check(err, truth) {
if (err) return callback(err);
if (!truth) return callback(null);
_fn(next);
}
_test(check);
}
module.exports = exports['default'];
+82
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOf = require('./eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies the function `iteratee` to each item in `coll`, in parallel.
* The `iteratee` is called with an item from the list, and a callback for when
* it has finished. If the `iteratee` passes an error to its `callback`, the
* main `callback` (for the `each` function) is immediately called with the
* error.
*
* Note, that since this function applies `iteratee` to each item in parallel,
* there is no guarantee that the iteratee functions will complete in order.
*
* @name each
* @static
* @memberOf module:Collections
* @method
* @alias forEach
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to
* each item in `coll`. Invoked with (item, callback).
* The array index is not passed to the iteratee.
* If you need the index, use `eachOf`.
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* // assuming openFiles is an array of file names and saveFile is a function
* // to save the modified contents of that file:
*
* async.each(openFiles, saveFile, function(err){
* // if any of the saves produced an error, err would equal that error
* });
*
* // assuming openFiles is an array of file names
* async.each(openFiles, function(file, callback) {
*
* // Perform operation on file here.
* console.log('Processing file ' + file);
*
* if( file.length > 32 ) {
* console.log('This file name is too long');
* callback('File name too long');
* } else {
* // Do work to process file here
* console.log('File processed');
* callback();
* }
* }, function(err) {
* // if any of the file processing produced an error, err would equal that error
* if( err ) {
* // One of the iterations produced an error.
* // All processing will now stop.
* console.log('A file failed to process');
* } else {
* console.log('All files have been processed successfully');
* }
* });
*/
function eachLimit(coll, iteratee, callback) {
(0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
+45
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOfLimit = require('./internal/eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
*
* @name eachLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfLimit`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
+111
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, iteratee, callback) {
var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
};
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _breakLoop = require('./internal/breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// eachOf implementation optimized for array-likes
function eachOfArrayLike(coll, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var index = 0,
completed = 0,
length = coll.length;
if (length === 0) {
callback(null);
}
function iteratorCallback(err, value) {
if (err) {
callback(err);
} else if (++completed === length || value === _breakLoop2.default) {
callback(null);
}
}
for (; index < length; index++) {
iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
}
}
// a generic version of eachOf which can handle array, object, and iterator cases.
var eachOfGeneric = (0, _doLimit2.default)(_eachOfLimit2.default, Infinity);
/**
* Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
* to the iteratee.
*
* @name eachOf
* @static
* @memberOf module:Collections
* @method
* @alias forEachOf
* @category Collection
* @see [async.each]{@link module:Collections.each}
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each
* item in `coll`.
* The `key` is the item's key, or index in the case of an array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
* var configs = {};
*
* async.forEachOf(obj, function (value, key, callback) {
* fs.readFile(__dirname + value, "utf8", function (err, data) {
* if (err) return callback(err);
* try {
* configs[key] = JSON.parse(data);
* } catch (e) {
* return callback(e);
* }
* callback();
* });
* }, function (err) {
* if (err) console.error(err.message);
* // configs is now a map of JSON data
* doSomethingWith(configs);
* });
*/
module.exports = exports['default'];
+41
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachOfLimit;
var _eachOfLimit2 = require('./internal/eachOfLimit');
var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
* time.
*
* @name eachOfLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`. The `key` is the item's key, or index in the case of an
* array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachOfLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
}
module.exports = exports['default'];
+35
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
*
* @name eachOfSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachOfLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachLimit = require('./eachLimit');
var _eachLimit2 = _interopRequireDefault(_eachLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
*
* @name eachSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfSeries`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = ensureAsync;
var _setImmediate = require('./internal/setImmediate');
var _setImmediate2 = _interopRequireDefault(_setImmediate);
var _initialParams = require('./internal/initialParams');
var _initialParams2 = _interopRequireDefault(_initialParams);
var _wrapAsync = require('./internal/wrapAsync');
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Wrap an async function and ensure it calls its callback on a later tick of
* the event loop. If the function already calls its callback on a next tick,
* no extra deferral is added. This is useful for preventing stack overflows
* (`RangeError: Maximum call stack size exceeded`) and generally keeping
* [Zalgo](http://blog.izs.me/post/59142742143/designing-apis-for-asynchrony)
* contained. ES2017 `async` functions are returned as-is -- they are immune
* to Zalgo's corrupting influences, as they always resolve on a later tick.
*
* @name ensureAsync
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {AsyncFunction} fn - an async function, one that expects a node-style
* callback as its last argument.
* @returns {AsyncFunction} Returns a wrapped function with the exact same call
* signature as the function passed in.
* @example
*
* function sometimesAsync(arg, callback) {
* if (cache[arg]) {
* return callback(null, cache[arg]); // this would be synchronous!!
* } else {
* doSomeIO(arg, callback); // this IO would be asynchronous
* }
* }
*
* // this has a risk of stack overflows if many results are cached in a row
* async.mapSeries(args, sometimesAsync, done);
*
* // this will defer sometimesAsync's callback if necessary,
* // preventing stack overflows
* async.mapSeries(args, async.ensureAsync(sometimesAsync), done);
*/
function ensureAsync(fn) {
if ((0, _wrapAsync.isAsync)(fn)) return fn;
return (0, _initialParams2.default)(function (args, callback) {
var sync = true;
args.push(function () {
var innerArgs = arguments;
if (sync) {
(0, _setImmediate2.default)(function () {
callback.apply(null, innerArgs);
});
} else {
callback.apply(null, innerArgs);
}
});
fn.apply(this, args);
sync = false;
});
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns `true` if every element in `coll` satisfies an async test. If any
* iteratee call returns `false`, the main `callback` is immediately called.
*
* @name every
* @static
* @memberOf module:Collections
* @method
* @alias all
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
* @example
*
* async.every(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // if result is true then every file exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
*
* @name everyLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _everyLimit = require('./everyLimit');
var _everyLimit2 = _interopRequireDefault(_everyLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
*
* @name everySeries
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in series.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doLimit2.default)(_everyLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _filter = require('./internal/filter');
var _filter2 = _interopRequireDefault(_filter);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns a new array of all the values in `coll` which pass an async truth
* test. This operation is performed in parallel, but the results array will be
* in the same order as the original.
*
* @name filter
* @static
* @memberOf module:Collections
* @method
* @alias select
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {Function} iteratee - A truth test to apply to each item in `coll`.
* The `iteratee` is passed a `callback(err, truthValue)`, which must be called
* with a boolean argument once it has completed. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Invoked with (err, results).
* @example
*
* async.filter(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, results) {
* // results now equals an array of the existing files
* });
*/
exports.default = (0, _doParallel2.default)(_filter2.default);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _filter = require('./internal/filter');
var _filter2 = _interopRequireDefault(_filter);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`filter`]{@link module:Collections.filter} but runs a maximum of `limit` async operations at a
* time.
*
* @name filterLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.filter]{@link module:Collections.filter}
* @alias selectLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {Function} iteratee - A truth test to apply to each item in `coll`.
* The `iteratee` is passed a `callback(err, truthValue)`, which must be called
* with a boolean argument once it has completed. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Invoked with (err, results).
*/
exports.default = (0, _doParallelLimit2.default)(_filter2.default);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _filterLimit = require('./filterLimit');
var _filterLimit2 = _interopRequireDefault(_filterLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`filter`]{@link module:Collections.filter} but runs only a single async operation at a time.
*
* @name filterSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.filter]{@link module:Collections.filter}
* @alias selectSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {Function} iteratee - A truth test to apply to each item in `coll`.
* The `iteratee` is passed a `callback(err, truthValue)`, which must be called
* with a boolean argument once it has completed. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Invoked with (err, results)
*/
exports.default = (0, _doLimit2.default)(_filterLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns the first value in `coll` that passes an async truth test. The
* `iteratee` is applied in parallel, meaning the first iteratee to return
* `true` will fire the detect `callback` with that result. That means the
* result might not be the first item in the original `coll` (in terms of order)
* that passes the test.
* If order within the original `coll` is important, then look at
* [`detectSeries`]{@link module:Collections.detectSeries}.
*
* @name detect
* @static
* @memberOf module:Collections
* @method
* @alias find
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
* @example
*
* async.detect(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // result now equals the first file in the list that exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
* time.
*
* @name detectLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findLimit
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _detectLimit = require('./detectLimit');
var _detectLimit2 = _interopRequireDefault(_detectLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
*
* @name detectSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findSeries
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doLimit2.default)(_detectLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reduce;
var _eachOfSeries = require('./eachOfSeries');
var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Reduces `coll` into a single value using an async `iteratee` to return each
* successive step. `memo` is the initial state of the reduction. This function
* only operates in series.
*
* For performance reasons, it may make sense to split a call to this function
* into a parallel map, and then use the normal `Array.prototype.reduce` on the
* results. This function is for situations where each step in the reduction
* needs to be async; if you can get the data before reducing it, then it's
* probably a good idea to do so.
*
* @name reduce
* @static
* @memberOf module:Collections
* @method
* @alias inject
* @alias foldl
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {*} memo - The initial state of the reduction.
* @param {AsyncFunction} iteratee - A function applied to each item in the
* array to produce the next step in the reduction.
* The `iteratee` should complete with the next state of the reduction.
* If the iteratee complete with an error, the reduction is stopped and the
* main `callback` is immediately called with the error.
* Invoked with (memo, item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result is the reduced value. Invoked with
* (err, result).
* @example
*
* async.reduce([1,2,3], 0, function(memo, item, callback) {
* // pointless async:
* process.nextTick(function() {
* callback(null, memo + item)
* });
* }, function(err, result) {
* // result is now equal to the last value of memo, which is 6
* });
*/
function reduce(coll, memo, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _eachOfSeries2.default)(coll, function (x, i, callback) {
_iteratee(memo, x, function (err, v) {
memo = v;
callback(err);
});
}, function (err) {
callback(err, memo);
});
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reduceRight;
var _reduce = require('./reduce');
var _reduce2 = _interopRequireDefault(_reduce);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Same as [`reduce`]{@link module:Collections.reduce}, only operates on `array` in reverse order.
*
* @name reduceRight
* @static
* @memberOf module:Collections
* @method
* @see [async.reduce]{@link module:Collections.reduce}
* @alias foldr
* @category Collection
* @param {Array} array - A collection to iterate over.
* @param {*} memo - The initial state of the reduction.
* @param {AsyncFunction} iteratee - A function applied to each item in the
* array to produce the next step in the reduction.
* The `iteratee` should complete with the next state of the reduction.
* If the iteratee complete with an error, the reduction is stopped and the
* main `callback` is immediately called with the error.
* Invoked with (memo, item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result is the reduced value. Invoked with
* (err, result).
*/
function reduceRight(array, memo, iteratee, callback) {
var reversed = (0, _slice2.default)(array).reverse();
(0, _reduce2.default)(reversed, memo, iteratee, callback);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOf = require('./eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies the function `iteratee` to each item in `coll`, in parallel.
* The `iteratee` is called with an item from the list, and a callback for when
* it has finished. If the `iteratee` passes an error to its `callback`, the
* main `callback` (for the `each` function) is immediately called with the
* error.
*
* Note, that since this function applies `iteratee` to each item in parallel,
* there is no guarantee that the iteratee functions will complete in order.
*
* @name each
* @static
* @memberOf module:Collections
* @method
* @alias forEach
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to
* each item in `coll`. Invoked with (item, callback).
* The array index is not passed to the iteratee.
* If you need the index, use `eachOf`.
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* // assuming openFiles is an array of file names and saveFile is a function
* // to save the modified contents of that file:
*
* async.each(openFiles, saveFile, function(err){
* // if any of the saves produced an error, err would equal that error
* });
*
* // assuming openFiles is an array of file names
* async.each(openFiles, function(file, callback) {
*
* // Perform operation on file here.
* console.log('Processing file ' + file);
*
* if( file.length > 32 ) {
* console.log('This file name is too long');
* callback('File name too long');
* } else {
* // Do work to process file here
* console.log('File processed');
* callback();
* }
* }, function(err) {
* // if any of the file processing produced an error, err would equal that error
* if( err ) {
* // One of the iterations produced an error.
* // All processing will now stop.
* console.log('A file failed to process');
* } else {
* console.log('All files have been processed successfully');
* }
* });
*/
function eachLimit(coll, iteratee, callback) {
(0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOfLimit = require('./internal/eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
*
* @name eachLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfLimit`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, iteratee, callback) {
var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
};
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _breakLoop = require('./internal/breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// eachOf implementation optimized for array-likes
function eachOfArrayLike(coll, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var index = 0,
completed = 0,
length = coll.length;
if (length === 0) {
callback(null);
}
function iteratorCallback(err, value) {
if (err) {
callback(err);
} else if (++completed === length || value === _breakLoop2.default) {
callback(null);
}
}
for (; index < length; index++) {
iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
}
}
// a generic version of eachOf which can handle array, object, and iterator cases.
var eachOfGeneric = (0, _doLimit2.default)(_eachOfLimit2.default, Infinity);
/**
* Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
* to the iteratee.
*
* @name eachOf
* @static
* @memberOf module:Collections
* @method
* @alias forEachOf
* @category Collection
* @see [async.each]{@link module:Collections.each}
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each
* item in `coll`.
* The `key` is the item's key, or index in the case of an array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
* var configs = {};
*
* async.forEachOf(obj, function (value, key, callback) {
* fs.readFile(__dirname + value, "utf8", function (err, data) {
* if (err) return callback(err);
* try {
* configs[key] = JSON.parse(data);
* } catch (e) {
* return callback(e);
* }
* callback();
* });
* }, function (err) {
* if (err) console.error(err.message);
* // configs is now a map of JSON data
* doSomethingWith(configs);
* });
*/
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachOfLimit;
var _eachOfLimit2 = require('./internal/eachOfLimit');
var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
* time.
*
* @name eachOfLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`. The `key` is the item's key, or index in the case of an
* array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachOfLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
*
* @name eachOfSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachOfLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachLimit = require('./eachLimit');
var _eachLimit2 = _interopRequireDefault(_eachLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
*
* @name eachSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfSeries`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = forever;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _ensureAsync = require('./ensureAsync');
var _ensureAsync2 = _interopRequireDefault(_ensureAsync);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Calls the asynchronous function `fn` with a callback parameter that allows it
* to call itself again, in series, indefinitely.
* If an error is passed to the callback then `errback` is called with the
* error, and execution stops, otherwise it will never be called.
*
* @name forever
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {AsyncFunction} fn - an async function to call repeatedly.
* Invoked with (next).
* @param {Function} [errback] - when `fn` passes an error to it's callback,
* this function will be called, and execution stops. Invoked with (err).
* @example
*
* async.forever(
* function(next) {
* // next is suitable for passing to things that need a callback(err [, whatever]);
* // it will result in this function being called again.
* },
* function(err) {
* // if next is called with a value in its first parameter, it will appear
* // in here as 'err', and execution will stop.
* }
* );
*/
function forever(fn, errback) {
var done = (0, _onlyOnce2.default)(errback || _noop2.default);
var task = (0, _wrapAsync2.default)((0, _ensureAsync2.default)(fn));
function next(err) {
if (err) return done(err);
task(next);
}
next();
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _groupByLimit = require('./groupByLimit');
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|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.
* @example
*
* async.groupBy(['userId1', 'userId2', 'userId3'], function(userId, callback) {
* db.findById(userId, function(err, user) {
* if (err) return callback(err);
* return callback(null, user.age);
* });
* }, function(err, result) {
* // result is object containing the userIds grouped by age
* // e.g. { 30: ['userId1', 'userId3'], 42: ['userId2']};
* });
*/
exports.default = (0, _doLimit2.default)(_groupByLimit2.default, Infinity);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, limit, iteratee, callback) {
callback = callback || _noop2.default;
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _mapLimit2.default)(coll, limit, function (val, callback) {
_iteratee(val, function (err, key) {
if (err) return callback(err);
return callback(null, { key: key, val: val });
});
}, function (err, mapResults) {
var result = {};
// from MDN, handle object having an `hasOwnProperty` prop
var hasOwnProperty = Object.prototype.hasOwnProperty;
for (var i = 0; i < mapResults.length; i++) {
if (mapResults[i]) {
var key = mapResults[i].key;
var val = mapResults[i].val;
if (hasOwnProperty.call(result, key)) {
result[key].push(val);
} else {
result[key] = [val];
}
}
}
return callback(err, result);
});
};
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _mapLimit = require('./mapLimit');
var _mapLimit2 = _interopRequireDefault(_mapLimit);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* The same as [`groupBy`]{@link module:Collections.groupBy} but runs a maximum of `limit` async operations at a time.
*
* @name groupByLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.groupBy]{@link module:Collections.groupBy}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @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.
*/
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _groupByLimit = require('./groupByLimit');
var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`groupBy`]{@link module:Collections.groupBy} but runs only a single async operation at a time.
*
* @name groupBySeries
* @static
* @memberOf module:Collections
* @method
* @see [async.groupBy]{@link module:Collections.groupBy}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @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.
*/
exports.default = (0, _doLimit2.default)(_groupByLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.wrapSync = exports.selectSeries = exports.selectLimit = exports.select = exports.foldr = exports.foldl = exports.inject = exports.forEachOfLimit = exports.forEachOfSeries = exports.forEachOf = exports.forEachLimit = exports.forEachSeries = exports.forEach = exports.findSeries = exports.findLimit = exports.find = exports.anySeries = exports.anyLimit = exports.any = exports.allSeries = exports.allLimit = exports.all = exports.whilst = exports.waterfall = exports.until = exports.unmemoize = exports.tryEach = exports.transform = exports.timesSeries = exports.timesLimit = exports.times = exports.timeout = exports.sortBy = exports.someSeries = exports.someLimit = exports.some = exports.setImmediate = exports.series = exports.seq = exports.retryable = exports.retry = exports.rejectSeries = exports.rejectLimit = exports.reject = exports.reflectAll = exports.reflect = exports.reduceRight = exports.reduce = exports.race = exports.queue = exports.priorityQueue = exports.parallelLimit = exports.parallel = exports.nextTick = exports.memoize = exports.mapValuesSeries = exports.mapValuesLimit = exports.mapValues = exports.mapSeries = exports.mapLimit = exports.map = exports.log = exports.groupBySeries = exports.groupByLimit = exports.groupBy = exports.forever = exports.filterSeries = exports.filterLimit = exports.filter = exports.everySeries = exports.everyLimit = exports.every = exports.ensureAsync = exports.eachSeries = exports.eachOfSeries = exports.eachOfLimit = exports.eachOf = exports.eachLimit = exports.each = exports.during = exports.doWhilst = exports.doUntil = exports.doDuring = exports.dir = exports.detectSeries = exports.detectLimit = exports.detect = exports.constant = exports.concatSeries = exports.concatLimit = exports.concat = exports.compose = exports.cargo = exports.autoInject = exports.auto = exports.asyncify = exports.applyEachSeries = exports.applyEach = exports.apply = undefined;
var _apply = require('./apply');
var _apply2 = _interopRequireDefault(_apply);
var _applyEach = require('./applyEach');
var _applyEach2 = _interopRequireDefault(_applyEach);
var _applyEachSeries = require('./applyEachSeries');
var _applyEachSeries2 = _interopRequireDefault(_applyEachSeries);
var _asyncify = require('./asyncify');
var _asyncify2 = _interopRequireDefault(_asyncify);
var _auto = require('./auto');
var _auto2 = _interopRequireDefault(_auto);
var _autoInject = require('./autoInject');
var _autoInject2 = _interopRequireDefault(_autoInject);
var _cargo = require('./cargo');
var _cargo2 = _interopRequireDefault(_cargo);
var _compose = require('./compose');
var _compose2 = _interopRequireDefault(_compose);
var _concat = require('./concat');
var _concat2 = _interopRequireDefault(_concat);
var _concatLimit = require('./concatLimit');
var _concatLimit2 = _interopRequireDefault(_concatLimit);
var _concatSeries = require('./concatSeries');
var _concatSeries2 = _interopRequireDefault(_concatSeries);
var _constant = require('./constant');
var _constant2 = _interopRequireDefault(_constant);
var _detect = require('./detect');
var _detect2 = _interopRequireDefault(_detect);
var _detectLimit = require('./detectLimit');
var _detectLimit2 = _interopRequireDefault(_detectLimit);
var _detectSeries = require('./detectSeries');
var _detectSeries2 = _interopRequireDefault(_detectSeries);
var _dir = require('./dir');
var _dir2 = _interopRequireDefault(_dir);
var _doDuring = require('./doDuring');
var _doDuring2 = _interopRequireDefault(_doDuring);
var _doUntil = require('./doUntil');
var _doUntil2 = _interopRequireDefault(_doUntil);
var _doWhilst = require('./doWhilst');
var _doWhilst2 = _interopRequireDefault(_doWhilst);
var _during = require('./during');
var _during2 = _interopRequireDefault(_during);
var _each = require('./each');
var _each2 = _interopRequireDefault(_each);
var _eachLimit = require('./eachLimit');
var _eachLimit2 = _interopRequireDefault(_eachLimit);
var _eachOf = require('./eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _eachOfSeries = require('./eachOfSeries');
var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
var _eachSeries = require('./eachSeries');
var _eachSeries2 = _interopRequireDefault(_eachSeries);
var _ensureAsync = require('./ensureAsync');
var _ensureAsync2 = _interopRequireDefault(_ensureAsync);
var _every = require('./every');
var _every2 = _interopRequireDefault(_every);
var _everyLimit = require('./everyLimit');
var _everyLimit2 = _interopRequireDefault(_everyLimit);
var _everySeries = require('./everySeries');
var _everySeries2 = _interopRequireDefault(_everySeries);
var _filter = require('./filter');
var _filter2 = _interopRequireDefault(_filter);
var _filterLimit = require('./filterLimit');
var _filterLimit2 = _interopRequireDefault(_filterLimit);
var _filterSeries = require('./filterSeries');
var _filterSeries2 = _interopRequireDefault(_filterSeries);
var _forever = require('./forever');
var _forever2 = _interopRequireDefault(_forever);
var _groupBy = require('./groupBy');
var _groupBy2 = _interopRequireDefault(_groupBy);
var _groupByLimit = require('./groupByLimit');
var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
var _groupBySeries = require('./groupBySeries');
var _groupBySeries2 = _interopRequireDefault(_groupBySeries);
var _log = require('./log');
var _log2 = _interopRequireDefault(_log);
var _map = require('./map');
var _map2 = _interopRequireDefault(_map);
var _mapLimit = require('./mapLimit');
var _mapLimit2 = _interopRequireDefault(_mapLimit);
var _mapSeries = require('./mapSeries');
var _mapSeries2 = _interopRequireDefault(_mapSeries);
var _mapValues = require('./mapValues');
var _mapValues2 = _interopRequireDefault(_mapValues);
var _mapValuesLimit = require('./mapValuesLimit');
var _mapValuesLimit2 = _interopRequireDefault(_mapValuesLimit);
var _mapValuesSeries = require('./mapValuesSeries');
var _mapValuesSeries2 = _interopRequireDefault(_mapValuesSeries);
var _memoize = require('./memoize');
var _memoize2 = _interopRequireDefault(_memoize);
var _nextTick = require('./nextTick');
var _nextTick2 = _interopRequireDefault(_nextTick);
var _parallel = require('./parallel');
var _parallel2 = _interopRequireDefault(_parallel);
var _parallelLimit = require('./parallelLimit');
var _parallelLimit2 = _interopRequireDefault(_parallelLimit);
var _priorityQueue = require('./priorityQueue');
var _priorityQueue2 = _interopRequireDefault(_priorityQueue);
var _queue = require('./queue');
var _queue2 = _interopRequireDefault(_queue);
var _race = require('./race');
var _race2 = _interopRequireDefault(_race);
var _reduce = require('./reduce');
var _reduce2 = _interopRequireDefault(_reduce);
var _reduceRight = require('./reduceRight');
var _reduceRight2 = _interopRequireDefault(_reduceRight);
var _reflect = require('./reflect');
var _reflect2 = _interopRequireDefault(_reflect);
var _reflectAll = require('./reflectAll');
var _reflectAll2 = _interopRequireDefault(_reflectAll);
var _reject = require('./reject');
var _reject2 = _interopRequireDefault(_reject);
var _rejectLimit = require('./rejectLimit');
var _rejectLimit2 = _interopRequireDefault(_rejectLimit);
var _rejectSeries = require('./rejectSeries');
var _rejectSeries2 = _interopRequireDefault(_rejectSeries);
var _retry = require('./retry');
var _retry2 = _interopRequireDefault(_retry);
var _retryable = require('./retryable');
var _retryable2 = _interopRequireDefault(_retryable);
var _seq = require('./seq');
var _seq2 = _interopRequireDefault(_seq);
var _series = require('./series');
var _series2 = _interopRequireDefault(_series);
var _setImmediate = require('./setImmediate');
var _setImmediate2 = _interopRequireDefault(_setImmediate);
var _some = require('./some');
var _some2 = _interopRequireDefault(_some);
var _someLimit = require('./someLimit');
var _someLimit2 = _interopRequireDefault(_someLimit);
var _someSeries = require('./someSeries');
var _someSeries2 = _interopRequireDefault(_someSeries);
var _sortBy = require('./sortBy');
var _sortBy2 = _interopRequireDefault(_sortBy);
var _timeout = require('./timeout');
var _timeout2 = _interopRequireDefault(_timeout);
var _times = require('./times');
var _times2 = _interopRequireDefault(_times);
var _timesLimit = require('./timesLimit');
var _timesLimit2 = _interopRequireDefault(_timesLimit);
var _timesSeries = require('./timesSeries');
var _timesSeries2 = _interopRequireDefault(_timesSeries);
var _transform = require('./transform');
var _transform2 = _interopRequireDefault(_transform);
var _tryEach = require('./tryEach');
var _tryEach2 = _interopRequireDefault(_tryEach);
var _unmemoize = require('./unmemoize');
var _unmemoize2 = _interopRequireDefault(_unmemoize);
var _until = require('./until');
var _until2 = _interopRequireDefault(_until);
var _waterfall = require('./waterfall');
var _waterfall2 = _interopRequireDefault(_waterfall);
var _whilst = require('./whilst');
var _whilst2 = _interopRequireDefault(_whilst);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.default = {
apply: _apply2.default,
applyEach: _applyEach2.default,
applyEachSeries: _applyEachSeries2.default,
asyncify: _asyncify2.default,
auto: _auto2.default,
autoInject: _autoInject2.default,
cargo: _cargo2.default,
compose: _compose2.default,
concat: _concat2.default,
concatLimit: _concatLimit2.default,
concatSeries: _concatSeries2.default,
constant: _constant2.default,
detect: _detect2.default,
detectLimit: _detectLimit2.default,
detectSeries: _detectSeries2.default,
dir: _dir2.default,
doDuring: _doDuring2.default,
doUntil: _doUntil2.default,
doWhilst: _doWhilst2.default,
during: _during2.default,
each: _each2.default,
eachLimit: _eachLimit2.default,
eachOf: _eachOf2.default,
eachOfLimit: _eachOfLimit2.default,
eachOfSeries: _eachOfSeries2.default,
eachSeries: _eachSeries2.default,
ensureAsync: _ensureAsync2.default,
every: _every2.default,
everyLimit: _everyLimit2.default,
everySeries: _everySeries2.default,
filter: _filter2.default,
filterLimit: _filterLimit2.default,
filterSeries: _filterSeries2.default,
forever: _forever2.default,
groupBy: _groupBy2.default,
groupByLimit: _groupByLimit2.default,
groupBySeries: _groupBySeries2.default,
log: _log2.default,
map: _map2.default,
mapLimit: _mapLimit2.default,
mapSeries: _mapSeries2.default,
mapValues: _mapValues2.default,
mapValuesLimit: _mapValuesLimit2.default,
mapValuesSeries: _mapValuesSeries2.default,
memoize: _memoize2.default,
nextTick: _nextTick2.default,
parallel: _parallel2.default,
parallelLimit: _parallelLimit2.default,
priorityQueue: _priorityQueue2.default,
queue: _queue2.default,
race: _race2.default,
reduce: _reduce2.default,
reduceRight: _reduceRight2.default,
reflect: _reflect2.default,
reflectAll: _reflectAll2.default,
reject: _reject2.default,
rejectLimit: _rejectLimit2.default,
rejectSeries: _rejectSeries2.default,
retry: _retry2.default,
retryable: _retryable2.default,
seq: _seq2.default,
series: _series2.default,
setImmediate: _setImmediate2.default,
some: _some2.default,
someLimit: _someLimit2.default,
someSeries: _someSeries2.default,
sortBy: _sortBy2.default,
timeout: _timeout2.default,
times: _times2.default,
timesLimit: _timesLimit2.default,
timesSeries: _timesSeries2.default,
transform: _transform2.default,
tryEach: _tryEach2.default,
unmemoize: _unmemoize2.default,
until: _until2.default,
waterfall: _waterfall2.default,
whilst: _whilst2.default,
// aliases
all: _every2.default,
allLimit: _everyLimit2.default,
allSeries: _everySeries2.default,
any: _some2.default,
anyLimit: _someLimit2.default,
anySeries: _someSeries2.default,
find: _detect2.default,
findLimit: _detectLimit2.default,
findSeries: _detectSeries2.default,
forEach: _each2.default,
forEachSeries: _eachSeries2.default,
forEachLimit: _eachLimit2.default,
forEachOf: _eachOf2.default,
forEachOfSeries: _eachOfSeries2.default,
forEachOfLimit: _eachOfLimit2.default,
inject: _reduce2.default,
foldl: _reduce2.default,
foldr: _reduceRight2.default,
select: _filter2.default,
selectLimit: _filterLimit2.default,
selectSeries: _filterSeries2.default,
wrapSync: _asyncify2.default
}; /**
* An "async function" in the context of Async is an asynchronous function with
* a variable number of parameters, with the final parameter being a callback.
* (`function (arg1, arg2, ..., callback) {}`)
* The final callback is of the form `callback(err, results...)`, which must be
* called once the function is completed. The callback should be called with a
* Error as its first argument to signal that an error occurred.
* Otherwise, if no error occurred, it should be called with `null` as the first
* argument, and any additional `result` arguments that may apply, to signal
* successful completion.
* The callback must be called exactly once, ideally on a later tick of the
* JavaScript event loop.
*
* This type of function is also referred to as a "Node-style async function",
* or a "continuation passing-style function" (CPS). Most of the methods of this
* library are themselves CPS/Node-style async functions, or functions that
* return CPS/Node-style async functions.
*
* Wherever we accept a Node-style async function, we also directly accept an
* [ES2017 `async` function]{@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function}.
* In this case, the `async` function will not be passed a final callback
* argument, and any thrown error will be used as the `err` argument of the
* implicit callback, and the return value will be used as the `result` value.
* (i.e. a `rejected` of the returned Promise becomes the `err` callback
* argument, and a `resolved` value becomes the `result`.)
*
* Note, due to JavaScript limitations, we can only detect native `async`
* functions and not transpilied implementations.
* Your environment must have `async`/`await` support for this to work.
* (e.g. Node > v7.6, or a recent version of a modern browser).
* If you are using `async` functions through a transpiler (e.g. Babel), you
* must still wrap the function with [asyncify]{@link module:Utils.asyncify},
* because the `async function` will be compiled to an ordinary function that
* returns a promise.
*
* @typedef {Function} AsyncFunction
* @static
*/
/**
* Async is a utility module which provides straight-forward, powerful functions
* for working with asynchronous JavaScript. Although originally designed for
* use with [Node.js](http://nodejs.org) and installable via
* `npm install --save async`, it can also be used directly in the browser.
* @module async
* @see AsyncFunction
*/
/**
* A collection of `async` functions for manipulating collections, such as
* arrays and objects.
* @module Collections
*/
/**
* A collection of `async` functions for controlling the flow through a script.
* @module ControlFlow
*/
/**
* A collection of `async` utility functions.
* @module Utils
*/
exports.apply = _apply2.default;
exports.applyEach = _applyEach2.default;
exports.applyEachSeries = _applyEachSeries2.default;
exports.asyncify = _asyncify2.default;
exports.auto = _auto2.default;
exports.autoInject = _autoInject2.default;
exports.cargo = _cargo2.default;
exports.compose = _compose2.default;
exports.concat = _concat2.default;
exports.concatLimit = _concatLimit2.default;
exports.concatSeries = _concatSeries2.default;
exports.constant = _constant2.default;
exports.detect = _detect2.default;
exports.detectLimit = _detectLimit2.default;
exports.detectSeries = _detectSeries2.default;
exports.dir = _dir2.default;
exports.doDuring = _doDuring2.default;
exports.doUntil = _doUntil2.default;
exports.doWhilst = _doWhilst2.default;
exports.during = _during2.default;
exports.each = _each2.default;
exports.eachLimit = _eachLimit2.default;
exports.eachOf = _eachOf2.default;
exports.eachOfLimit = _eachOfLimit2.default;
exports.eachOfSeries = _eachOfSeries2.default;
exports.eachSeries = _eachSeries2.default;
exports.ensureAsync = _ensureAsync2.default;
exports.every = _every2.default;
exports.everyLimit = _everyLimit2.default;
exports.everySeries = _everySeries2.default;
exports.filter = _filter2.default;
exports.filterLimit = _filterLimit2.default;
exports.filterSeries = _filterSeries2.default;
exports.forever = _forever2.default;
exports.groupBy = _groupBy2.default;
exports.groupByLimit = _groupByLimit2.default;
exports.groupBySeries = _groupBySeries2.default;
exports.log = _log2.default;
exports.map = _map2.default;
exports.mapLimit = _mapLimit2.default;
exports.mapSeries = _mapSeries2.default;
exports.mapValues = _mapValues2.default;
exports.mapValuesLimit = _mapValuesLimit2.default;
exports.mapValuesSeries = _mapValuesSeries2.default;
exports.memoize = _memoize2.default;
exports.nextTick = _nextTick2.default;
exports.parallel = _parallel2.default;
exports.parallelLimit = _parallelLimit2.default;
exports.priorityQueue = _priorityQueue2.default;
exports.queue = _queue2.default;
exports.race = _race2.default;
exports.reduce = _reduce2.default;
exports.reduceRight = _reduceRight2.default;
exports.reflect = _reflect2.default;
exports.reflectAll = _reflectAll2.default;
exports.reject = _reject2.default;
exports.rejectLimit = _rejectLimit2.default;
exports.rejectSeries = _rejectSeries2.default;
exports.retry = _retry2.default;
exports.retryable = _retryable2.default;
exports.seq = _seq2.default;
exports.series = _series2.default;
exports.setImmediate = _setImmediate2.default;
exports.some = _some2.default;
exports.someLimit = _someLimit2.default;
exports.someSeries = _someSeries2.default;
exports.sortBy = _sortBy2.default;
exports.timeout = _timeout2.default;
exports.times = _times2.default;
exports.timesLimit = _timesLimit2.default;
exports.timesSeries = _timesSeries2.default;
exports.transform = _transform2.default;
exports.tryEach = _tryEach2.default;
exports.unmemoize = _unmemoize2.default;
exports.until = _until2.default;
exports.waterfall = _waterfall2.default;
exports.whilst = _whilst2.default;
exports.all = _every2.default;
exports.allLimit = _everyLimit2.default;
exports.allSeries = _everySeries2.default;
exports.any = _some2.default;
exports.anyLimit = _someLimit2.default;
exports.anySeries = _someSeries2.default;
exports.find = _detect2.default;
exports.findLimit = _detectLimit2.default;
exports.findSeries = _detectSeries2.default;
exports.forEach = _each2.default;
exports.forEachSeries = _eachSeries2.default;
exports.forEachLimit = _eachLimit2.default;
exports.forEachOf = _eachOf2.default;
exports.forEachOfSeries = _eachOfSeries2.default;
exports.forEachOfLimit = _eachOfLimit2.default;
exports.inject = _reduce2.default;
exports.foldl = _reduce2.default;
exports.foldr = _reduceRight2.default;
exports.select = _filter2.default;
exports.selectLimit = _filterLimit2.default;
exports.selectSeries = _filterSeries2.default;
exports.wrapSync = _asyncify2.default;
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reduce;
var _eachOfSeries = require('./eachOfSeries');
var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Reduces `coll` into a single value using an async `iteratee` to return each
* successive step. `memo` is the initial state of the reduction. This function
* only operates in series.
*
* For performance reasons, it may make sense to split a call to this function
* into a parallel map, and then use the normal `Array.prototype.reduce` on the
* results. This function is for situations where each step in the reduction
* needs to be async; if you can get the data before reducing it, then it's
* probably a good idea to do so.
*
* @name reduce
* @static
* @memberOf module:Collections
* @method
* @alias inject
* @alias foldl
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {*} memo - The initial state of the reduction.
* @param {AsyncFunction} iteratee - A function applied to each item in the
* array to produce the next step in the reduction.
* The `iteratee` should complete with the next state of the reduction.
* If the iteratee complete with an error, the reduction is stopped and the
* main `callback` is immediately called with the error.
* Invoked with (memo, item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result is the reduced value. Invoked with
* (err, result).
* @example
*
* async.reduce([1,2,3], 0, function(memo, item, callback) {
* // pointless async:
* process.nextTick(function() {
* callback(null, memo + item)
* });
* }, function(err, result) {
* // result is now equal to the last value of memo, which is 6
* });
*/
function reduce(coll, memo, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _eachOfSeries2.default)(coll, function (x, i, callback) {
_iteratee(memo, x, function (err, v) {
memo = v;
callback(err);
});
}, function (err) {
callback(err, memo);
});
}
module.exports = exports['default'];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = DLL;
// Simple doubly linked list (https://en.wikipedia.org/wiki/Doubly_linked_list) implementation
// used for queues. This implementation assumes that the node provided by the user can be modified
// to adjust the next and last properties. We implement only the minimal functionality
// for queue support.
function DLL() {
this.head = this.tail = null;
this.length = 0;
}
function setInitial(dll, node) {
dll.length = 1;
dll.head = dll.tail = node;
}
DLL.prototype.removeLink = function (node) {
if (node.prev) node.prev.next = node.next;else this.head = node.next;
if (node.next) node.next.prev = node.prev;else this.tail = node.prev;
node.prev = node.next = null;
this.length -= 1;
return node;
};
DLL.prototype.empty = function () {
while (this.head) this.shift();
return this;
};
DLL.prototype.insertAfter = function (node, newNode) {
newNode.prev = node;
newNode.next = node.next;
if (node.next) node.next.prev = newNode;else this.tail = newNode;
node.next = newNode;
this.length += 1;
};
DLL.prototype.insertBefore = function (node, newNode) {
newNode.prev = node.prev;
newNode.next = node;
if (node.prev) node.prev.next = newNode;else this.head = newNode;
node.prev = newNode;
this.length += 1;
};
DLL.prototype.unshift = function (node) {
if (this.head) this.insertBefore(this.head, node);else setInitial(this, node);
};
DLL.prototype.push = function (node) {
if (this.tail) this.insertAfter(this.tail, node);else setInitial(this, node);
};
DLL.prototype.shift = function () {
return this.head && this.removeLink(this.head);
};
DLL.prototype.pop = function () {
return this.tail && this.removeLink(this.tail);
};
DLL.prototype.toArray = function () {
var arr = Array(this.length);
var curr = this.head;
for (var idx = 0; idx < this.length; idx++) {
arr[idx] = curr.data;
curr = curr.next;
}
return arr;
};
DLL.prototype.remove = function (testFn) {
var curr = this.head;
while (!!curr) {
var next = curr.next;
if (testFn(curr)) {
this.removeLink(curr);
}
curr = next;
}
return this;
};
module.exports = exports["default"];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = applyEach;
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
var _initialParams = require('./initialParams');
var _initialParams2 = _interopRequireDefault(_initialParams);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function applyEach(eachfn) {
return function (fns /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
var go = (0, _initialParams2.default)(function (args, callback) {
var that = this;
return eachfn(fns, function (fn, cb) {
(0, _wrapAsync2.default)(fn).apply(that, args.concat(cb));
}, callback);
});
if (args.length) {
return go.apply(this, args);
} else {
return go;
}
};
}
module.exports = exports['default'];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
// A temporary value used to identify if the loop should be broken.
// See #1064, #1293
exports.default = {};
module.exports = exports["default"];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = consoleFunc;
var _arrayEach = require('lodash/_arrayEach');
var _arrayEach2 = _interopRequireDefault(_arrayEach);
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function consoleFunc(name) {
return function (fn /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
args.push(function (err /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
if (typeof console === 'object') {
if (err) {
if (console.error) {
console.error(err);
}
} else if (console[name]) {
(0, _arrayEach2.default)(args, function (x) {
console[name](x);
});
}
}
});
(0, _wrapAsync2.default)(fn).apply(null, args);
};
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _createTester;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _breakLoop = require('./breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _createTester(check, getResult) {
return function (eachfn, arr, iteratee, cb) {
cb = cb || _noop2.default;
var testPassed = false;
var testResult;
eachfn(arr, function (value, _, callback) {
iteratee(value, function (err, result) {
if (err) {
callback(err);
} else if (check(result) && !testResult) {
testPassed = true;
testResult = getResult(true, value);
callback(null, _breakLoop2.default);
} else {
callback();
}
});
}, function (err) {
if (err) {
cb(err);
} else {
cb(null, testPassed ? testResult : getResult(false));
}
});
};
}
module.exports = exports['default'];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doLimit;
function doLimit(fn, limit) {
return function (iterable, iteratee, callback) {
return fn(iterable, limit, iteratee, callback);
};
}
module.exports = exports["default"];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doParallel;
var _eachOf = require('../eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function doParallel(fn) {
return function (obj, iteratee, callback) {
return fn(_eachOf2.default, obj, (0, _wrapAsync2.default)(iteratee), callback);
};
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doParallelLimit;
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function doParallelLimit(fn) {
return function (obj, limit, iteratee, callback) {
return fn((0, _eachOfLimit2.default)(limit), obj, (0, _wrapAsync2.default)(iteratee), callback);
};
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _eachOfLimit;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./once');
var _once2 = _interopRequireDefault(_once);
var _iterator = require('./iterator');
var _iterator2 = _interopRequireDefault(_iterator);
var _onlyOnce = require('./onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _breakLoop = require('./breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _eachOfLimit(limit) {
return function (obj, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
if (limit <= 0 || !obj) {
return callback(null);
}
var nextElem = (0, _iterator2.default)(obj);
var done = false;
var running = 0;
var looping = false;
function iterateeCallback(err, value) {
running -= 1;
if (err) {
done = true;
callback(err);
} else if (value === _breakLoop2.default || done && running <= 0) {
done = true;
return callback(null);
} else if (!looping) {
replenish();
}
}
function replenish() {
looping = true;
while (running < limit && !done) {
var elem = nextElem();
if (elem === null) {
done = true;
if (running <= 0) {
callback(null);
}
return;
}
running += 1;
iteratee(elem.value, elem.key, (0, _onlyOnce2.default)(iterateeCallback));
}
looping = false;
}
replenish();
};
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _filter;
var _arrayMap = require('lodash/_arrayMap');
var _arrayMap2 = _interopRequireDefault(_arrayMap);
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _baseProperty = require('lodash/_baseProperty');
var _baseProperty2 = _interopRequireDefault(_baseProperty);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function filterArray(eachfn, arr, iteratee, callback) {
var truthValues = new Array(arr.length);
eachfn(arr, function (x, index, callback) {
iteratee(x, function (err, v) {
truthValues[index] = !!v;
callback(err);
});
}, function (err) {
if (err) return callback(err);
var results = [];
for (var i = 0; i < arr.length; i++) {
if (truthValues[i]) results.push(arr[i]);
}
callback(null, results);
});
}
function filterGeneric(eachfn, coll, iteratee, callback) {
var results = [];
eachfn(coll, function (x, index, callback) {
iteratee(x, function (err, v) {
if (err) {
callback(err);
} else {
if (v) {
results.push({ index: index, value: x });
}
callback();
}
});
}, function (err) {
if (err) {
callback(err);
} else {
callback(null, (0, _arrayMap2.default)(results.sort(function (a, b) {
return a.index - b.index;
}), (0, _baseProperty2.default)('value')));
}
});
}
function _filter(eachfn, coll, iteratee, callback) {
var filter = (0, _isArrayLike2.default)(coll) ? filterArray : filterGeneric;
filter(eachfn, coll, (0, _wrapAsync2.default)(iteratee), callback || _noop2.default);
}
module.exports = exports['default'];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _findGetResult;
function _findGetResult(v, x) {
return x;
}
module.exports = exports["default"];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll) {
return iteratorSymbol && coll[iteratorSymbol] && coll[iteratorSymbol]();
};
var iteratorSymbol = typeof Symbol === 'function' && Symbol.iterator;
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (fn) {
return function () /*...args, callback*/{
var args = (0, _slice2.default)(arguments);
var callback = args.pop();
fn.call(this, args, callback);
};
};
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = iterator;
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _getIterator = require('./getIterator');
var _getIterator2 = _interopRequireDefault(_getIterator);
var _keys = require('lodash/keys');
var _keys2 = _interopRequireDefault(_keys);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function createArrayIterator(coll) {
var i = -1;
var len = coll.length;
return function next() {
return ++i < len ? { value: coll[i], key: i } : null;
};
}
function createES2015Iterator(iterator) {
var i = -1;
return function next() {
var item = iterator.next();
if (item.done) return null;
i++;
return { value: item.value, key: i };
};
}
function createObjectIterator(obj) {
var okeys = (0, _keys2.default)(obj);
var i = -1;
var len = okeys.length;
return function next() {
var key = okeys[++i];
return i < len ? { value: obj[key], key: key } : null;
};
}
function iterator(coll) {
if ((0, _isArrayLike2.default)(coll)) {
return createArrayIterator(coll);
}
var iterator = (0, _getIterator2.default)(coll);
return iterator ? createES2015Iterator(iterator) : createObjectIterator(coll);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _asyncMap;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _asyncMap(eachfn, arr, iteratee, callback) {
callback = callback || _noop2.default;
arr = arr || [];
var results = [];
var counter = 0;
var _iteratee = (0, _wrapAsync2.default)(iteratee);
eachfn(arr, function (value, _, callback) {
var index = counter++;
_iteratee(value, function (err, v) {
results[index] = v;
callback(err);
});
}, function (err) {
callback(err, results);
});
}
module.exports = exports['default'];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = notId;
function notId(v) {
return !v;
}
module.exports = exports["default"];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = once;
function once(fn) {
return function () {
if (fn === null) return;
var callFn = fn;
fn = null;
callFn.apply(this, arguments);
};
}
module.exports = exports["default"];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = onlyOnce;
function onlyOnce(fn) {
return function () {
if (fn === null) throw new Error("Callback was already called.");
var callFn = fn;
fn = null;
callFn.apply(this, arguments);
};
}
module.exports = exports["default"];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _parallel;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _parallel(eachfn, tasks, callback) {
callback = callback || _noop2.default;
var results = (0, _isArrayLike2.default)(tasks) ? [] : {};
eachfn(tasks, function (task, key, callback) {
(0, _wrapAsync2.default)(task)(function (err, result) {
if (arguments.length > 2) {
result = (0, _slice2.default)(arguments, 1);
}
results[key] = result;
callback(err);
});
}, function (err) {
callback(err, results);
});
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = queue;
var _baseIndexOf = require('lodash/_baseIndexOf');
var _baseIndexOf2 = _interopRequireDefault(_baseIndexOf);
var _isArray = require('lodash/isArray');
var _isArray2 = _interopRequireDefault(_isArray);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _onlyOnce = require('./onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _setImmediate = require('./setImmediate');
var _setImmediate2 = _interopRequireDefault(_setImmediate);
var _DoublyLinkedList = require('./DoublyLinkedList');
var _DoublyLinkedList2 = _interopRequireDefault(_DoublyLinkedList);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function queue(worker, concurrency, payload) {
if (concurrency == null) {
concurrency = 1;
} else if (concurrency === 0) {
throw new Error('Concurrency must not be zero');
}
var _worker = (0, _wrapAsync2.default)(worker);
var numRunning = 0;
var workersList = [];
var processingScheduled = false;
function _insert(data, insertAtFront, callback) {
if (callback != null && 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 && q.idle()) {
// call drain immediately if there are no tasks
return (0, _setImmediate2.default)(function () {
q.drain();
});
}
for (var i = 0, l = data.length; i < l; i++) {
var item = {
data: data[i],
callback: callback || _noop2.default
};
if (insertAtFront) {
q._tasks.unshift(item);
} else {
q._tasks.push(item);
}
}
if (!processingScheduled) {
processingScheduled = true;
(0, _setImmediate2.default)(function () {
processingScheduled = false;
q.process();
});
}
}
function _next(tasks) {
return function (err) {
numRunning -= 1;
for (var i = 0, l = tasks.length; i < l; i++) {
var task = tasks[i];
var index = (0, _baseIndexOf2.default)(workersList, task, 0);
if (index === 0) {
workersList.shift();
} else if (index > 0) {
workersList.splice(index, 1);
}
task.callback.apply(task, arguments);
if (err != null) {
q.error(err, task.data);
}
}
if (numRunning <= q.concurrency - q.buffer) {
q.unsaturated();
}
if (q.idle()) {
q.drain();
}
q.process();
};
}
var isProcessing = false;
var q = {
_tasks: new _DoublyLinkedList2.default(),
concurrency: concurrency,
payload: payload,
saturated: _noop2.default,
unsaturated: _noop2.default,
buffer: concurrency / 4,
empty: _noop2.default,
drain: _noop2.default,
error: _noop2.default,
started: false,
paused: false,
push: function (data, callback) {
_insert(data, false, callback);
},
kill: function () {
q.drain = _noop2.default;
q._tasks.empty();
},
unshift: function (data, callback) {
_insert(data, true, callback);
},
remove: function (testFn) {
q._tasks.remove(testFn);
},
process: function () {
// Avoid trying to start too many processing operations. This can occur
// when callbacks resolve synchronously (#1267).
if (isProcessing) {
return;
}
isProcessing = true;
while (!q.paused && numRunning < q.concurrency && q._tasks.length) {
var tasks = [],
data = [];
var l = q._tasks.length;
if (q.payload) l = Math.min(l, q.payload);
for (var i = 0; i < l; i++) {
var node = q._tasks.shift();
tasks.push(node);
workersList.push(node);
data.push(node.data);
}
numRunning += 1;
if (q._tasks.length === 0) {
q.empty();
}
if (numRunning === q.concurrency) {
q.saturated();
}
var cb = (0, _onlyOnce2.default)(_next(tasks));
_worker(data, cb);
}
isProcessing = false;
},
length: function () {
return q._tasks.length;
},
running: function () {
return numRunning;
},
workersList: function () {
return workersList;
},
idle: function () {
return q._tasks.length + numRunning === 0;
},
pause: function () {
q.paused = true;
},
resume: function () {
if (q.paused === false) {
return;
}
q.paused = false;
(0, _setImmediate2.default)(q.process);
}
};
return q;
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reject;
var _filter = require('./filter');
var _filter2 = _interopRequireDefault(_filter);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function reject(eachfn, arr, iteratee, callback) {
(0, _filter2.default)(eachfn, arr, function (value, cb) {
iteratee(value, function (err, v) {
cb(err, !v);
});
}, callback);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.hasNextTick = exports.hasSetImmediate = undefined;
exports.fallback = fallback;
exports.wrap = wrap;
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var hasSetImmediate = exports.hasSetImmediate = typeof setImmediate === 'function' && setImmediate;
var hasNextTick = exports.hasNextTick = typeof process === 'object' && typeof process.nextTick === 'function';
function fallback(fn) {
setTimeout(fn, 0);
}
function wrap(defer) {
return function (fn /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
defer(function () {
fn.apply(null, args);
});
};
}
var _defer;
if (hasSetImmediate) {
_defer = setImmediate;
} else if (hasNextTick) {
_defer = process.nextTick;
} else {
_defer = fallback;
}
exports.default = wrap(_defer);
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = slice;
function slice(arrayLike, start) {
start = start | 0;
var newLen = Math.max(arrayLike.length - start, 0);
var newArr = Array(newLen);
for (var idx = 0; idx < newLen; idx++) {
newArr[idx] = arrayLike[start + idx];
}
return newArr;
}
module.exports = exports["default"];
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _withoutIndex;
function _withoutIndex(iteratee) {
return function (value, index, callback) {
return iteratee(value, callback);
};
}
module.exports = exports["default"];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.isAsync = undefined;
var _asyncify = require('../asyncify');
var _asyncify2 = _interopRequireDefault(_asyncify);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var supportsSymbol = typeof Symbol === 'function';
function isAsync(fn) {
return supportsSymbol && fn[Symbol.toStringTag] === 'AsyncFunction';
}
function wrapAsync(asyncFn) {
return isAsync(asyncFn) ? (0, _asyncify2.default)(asyncFn) : asyncFn;
}
exports.default = wrapAsync;
exports.isAsync = isAsync;
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _consoleFunc = require('./internal/consoleFunc');
var _consoleFunc2 = _interopRequireDefault(_consoleFunc);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Logs the result of an `async` function to the `console`. Only works in
* Node.js or in browsers that support `console.log` and `console.error` (such
* as FF and Chrome). If multiple arguments are returned from the async
* function, `console.log` is called on each argument in order.
*
* @name log
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {AsyncFunction} function - The function you want to eventually apply
* all arguments to.
* @param {...*} arguments... - Any number of arguments to apply to the function.
* @example
*
* // in a module
* var hello = function(name, callback) {
* setTimeout(function() {
* callback(null, 'hello ' + name);
* }, 1000);
* };
*
* // in the node repl
* node> async.log(hello, 'world');
* 'hello world'
*/
exports.default = (0, _consoleFunc2.default)('log');
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _map = require('./internal/map');
var _map2 = _interopRequireDefault(_map);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Produces a new collection of values by mapping each value in `coll` through
* the `iteratee` function. The `iteratee` is called with an item from `coll`
* and a callback for when it has finished processing. Each of these callback
* takes 2 arguments: an `error`, and the transformed item from `coll`. If
* `iteratee` passes an error to its callback, the main `callback` (for the
* `map` function) is immediately called with the error.
*
* Note, that 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 results array will be in the same order as the
* original `coll`.
*
* If `map` is passed an Object, the results will be an Array. The results
* will roughly be in the order of the original Objects' keys (but this can
* vary across JavaScript engines).
*
* @name map
* @static
* @memberOf module:Collections
* @method
* @category Collection
* @param {Array|Iterable|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 the transformed item.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Results is an Array of the
* transformed items from the `coll`. Invoked with (err, results).
* @example
*
* async.map(['file1','file2','file3'], fs.stat, function(err, results) {
* // results is now an array of stats for each file
* });
*/
exports.default = (0, _doParallel2.default)(_map2.default);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _map = require('./internal/map');
var _map2 = _interopRequireDefault(_map);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`map`]{@link module:Collections.map} but runs a maximum of `limit` async operations at a time.
*
* @name mapLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.map]{@link module:Collections.map}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The iteratee should complete with the transformed item.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Results is an array of the
* transformed items from the `coll`. Invoked with (err, results).
*/
exports.default = (0, _doParallelLimit2.default)(_map2.default);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _mapLimit = require('./mapLimit');
var _mapLimit2 = _interopRequireDefault(_mapLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`map`]{@link module:Collections.map} but runs only a single async operation at a time.
*
* @name mapSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.map]{@link module:Collections.map}
* @category Collection
* @param {Array|Iterable|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 the transformed item.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Results is an array of the
* transformed items from the `coll`. Invoked with (err, results).
*/
exports.default = (0, _doLimit2.default)(_mapLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _mapValuesLimit = require('./mapValuesLimit');
var _mapValuesLimit2 = _interopRequireDefault(_mapValuesLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* A relative of [`map`]{@link module:Collections.map}, designed for use with objects.
*
* Produces a new Object by mapping each value of `obj` through the `iteratee`
* function. The `iteratee` is called each `value` and `key` from `obj` and a
* callback for when it has finished processing. Each of these callbacks takes
* two arguments: an `error`, and the transformed item from `obj`. If `iteratee`
* passes an error to its callback, the main `callback` (for the `mapValues`
* function) is immediately called with the error.
*
* Note, the order of the keys in the result is not guaranteed. The keys will
* be roughly in the order they complete, (but this is very engine-specific)
*
* @name mapValues
* @static
* @memberOf module:Collections
* @method
* @category Collection
* @param {Object} obj - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each value and key
* in `coll`.
* The iteratee should complete with the transformed value as its result.
* Invoked with (value, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. `result` is a new object consisting
* of each key from `obj`, with each transformed value on the right-hand side.
* Invoked with (err, result).
* @example
*
* async.mapValues({
* f1: 'file1',
* f2: 'file2',
* f3: 'file3'
* }, function (file, key, callback) {
* fs.stat(file, callback);
* }, function(err, result) {
* // result is now a map of stats for each file, e.g.
* // {
* // f1: [stats for file1],
* // f2: [stats for file2],
* // f3: [stats for file3]
* // }
* });
*/
exports.default = (0, _doLimit2.default)(_mapValuesLimit2.default, Infinity);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = mapValuesLimit;
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`mapValues`]{@link module:Collections.mapValues} but runs a maximum of `limit` async operations at a
* time.
*
* @name mapValuesLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.mapValues]{@link module:Collections.mapValues}
* @category Collection
* @param {Object} obj - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A function to apply to each value and key
* in `coll`.
* The iteratee should complete with the transformed value as its result.
* Invoked with (value, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. `result` is a new object consisting
* of each key from `obj`, with each transformed value on the right-hand side.
* Invoked with (err, result).
*/
function mapValuesLimit(obj, limit, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var newObj = {};
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _eachOfLimit2.default)(obj, limit, function (val, key, next) {
_iteratee(val, key, function (err, result) {
if (err) return next(err);
newObj[key] = result;
next();
});
}, function (err) {
callback(err, newObj);
});
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _mapValuesLimit = require('./mapValuesLimit');
var _mapValuesLimit2 = _interopRequireDefault(_mapValuesLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`mapValues`]{@link module:Collections.mapValues} but runs only a single async operation at a time.
*
* @name mapValuesSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.mapValues]{@link module:Collections.mapValues}
* @category Collection
* @param {Object} obj - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each value and key
* in `coll`.
* The iteratee should complete with the transformed value as its result.
* Invoked with (value, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. `result` is a new object consisting
* of each key from `obj`, with each transformed value on the right-hand side.
* Invoked with (err, result).
*/
exports.default = (0, _doLimit2.default)(_mapValuesLimit2.default, 1);
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = memoize;
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _setImmediate = require('./internal/setImmediate');
var _setImmediate2 = _interopRequireDefault(_setImmediate);
var _initialParams = require('./internal/initialParams');
var _initialParams2 = _interopRequireDefault(_initialParams);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function has(obj, key) {
return key in obj;
}
/**
* Caches the results of an async function. When creating a hash to store
* function results against, the callback is omitted from the hash and an
* optional hash function can be used.
*
* If no hash function is specified, the first argument is used as a hash key,
* which may work reasonably if it is a string or a data type that converts to a
* distinct string. Note that objects and arrays will not behave reasonably.
* Neither will cases where the other arguments are significant. In such cases,
* specify your own hash function.
*
* The cache of results is exposed as the `memo` property of the function
* returned by `memoize`.
*
* @name memoize
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {AsyncFunction} fn - The async function to proxy and cache results from.
* @param {Function} hasher - An optional function for generating a custom hash
* for storing results. It has all the arguments applied to it apart from the
* callback, and must be synchronous.
* @returns {AsyncFunction} a memoized version of `fn`
* @example
*
* var slow_fn = function(name, callback) {
* // do something
* callback(null, result);
* };
* var fn = async.memoize(slow_fn);
*
* // fn can now be used as if it were slow_fn
* fn('some name', function() {
* // callback
* });
*/
function memoize(fn, hasher) {
var memo = Object.create(null);
var queues = Object.create(null);
hasher = hasher || _identity2.default;
var _fn = (0, _wrapAsync2.default)(fn);
var memoized = (0, _initialParams2.default)(function memoized(args, callback) {
var key = hasher.apply(null, args);
if (has(memo, key)) {
(0, _setImmediate2.default)(function () {
callback.apply(null, memo[key]);
});
} else if (has(queues, key)) {
queues[key].push(callback);
} else {
queues[key] = [callback];
_fn.apply(null, args.concat(function () /*args*/{
var args = (0, _slice2.default)(arguments);
memo[key] = args;
var q = queues[key];
delete queues[key];
for (var i = 0, l = q.length; i < l; i++) {
q[i].apply(null, args);
}
}));
}
});
memoized.memo = memo;
memoized.unmemoized = fn;
return memoized;
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _setImmediate = require('./internal/setImmediate');
/**
* Calls `callback` on a later loop around the event loop. In Node.js this just
* calls `process.nextTick`. In the browser it will use `setImmediate` if
* available, otherwise `setTimeout(callback, 0)`, which means other higher
* priority events may precede the execution of `callback`.
*
* This is used internally for browser-compatibility purposes.
*
* @name nextTick
* @static
* @memberOf module:Utils
* @method
* @see [async.setImmediate]{@link module:Utils.setImmediate}
* @category Util
* @param {Function} callback - The function to call on a later loop around
* the event loop. Invoked with (args...).
* @param {...*} args... - any number of additional arguments to pass to the
* callback on the next tick.
* @example
*
* var call_order = [];
* async.nextTick(function() {
* call_order.push('two');
* // call_order now equals ['one','two']
* });
* call_order.push('one');
*
* async.setImmediate(function (a, b, c) {
* // a, b, and c equal 1, 2, and 3
* }, 1, 2, 3);
*/
var _defer;
if (_setImmediate.hasNextTick) {
_defer = process.nextTick;
} else if (_setImmediate.hasSetImmediate) {
_defer = setImmediate;
} else {
_defer = _setImmediate.fallback;
}
exports.default = (0, _setImmediate.wrap)(_defer);
module.exports = exports['default'];
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{
"_args": [
[
"async@2.6.2",
"C:\\Users\\Luis\\source\\repos\\AAMasters\\TaskServer"
]
],
"_from": "async@2.6.2",
"_id": "async@2.6.2",
"_inBundle": false,
"_integrity": "sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==",
"_location": "/async",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "async@2.6.2",
"name": "async",
"escapedName": "async",
"rawSpec": "2.6.2",
"saveSpec": null,
"fetchSpec": "2.6.2"
},
"_requiredBy": [
"/winston"
],
"_resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
"_spec": "2.6.2",
"_where": "C:\\Users\\Luis\\source\\repos\\AAMasters\\TaskServer",
"author": {
"name": "Caolan McMahon"
},
"bugs": {
"url": "https://github.com/caolan/async/issues"
},
"dependencies": {
"lodash": "^4.17.11"
},
"description": "Higher-order functions and common patterns for asynchronous code",
"devDependencies": {
"babel-cli": "^6.24.0",
"babel-core": "^6.26.3",
"babel-plugin-add-module-exports": "^0.2.1",
"babel-plugin-istanbul": "^2.0.1",
"babel-plugin-transform-es2015-modules-commonjs": "^6.26.2",
"babel-preset-es2015": "^6.3.13",
"babel-preset-es2017": "^6.22.0",
"babelify": "^8.0.0",
"benchmark": "^2.1.1",
"bluebird": "^3.4.6",
"browserify": "^16.2.2",
"chai": "^4.1.2",
"cheerio": "^0.22.0",
"coveralls": "^3.0.1",
"es6-promise": "^2.3.0",
"eslint": "^2.13.1",
"fs-extra": "^0.26.7",
"gh-pages-deploy": "^0.5.0",
"jsdoc": "^3.4.0",
"karma": "^2.0.2",
"karma-browserify": "^5.2.0",
"karma-firefox-launcher": "^1.1.0",
"karma-mocha": "^1.2.0",
"karma-mocha-reporter": "^2.2.0",
"mocha": "^5.2.0",
"native-promise-only": "^0.8.0-a",
"nyc": "^11.8.0",
"rimraf": "^2.5.0",
"rollup": "^0.36.3",
"rollup-plugin-node-resolve": "^2.0.0",
"rollup-plugin-npm": "^2.0.0",
"rsvp": "^3.0.18",
"semver": "^5.5.0",
"uglify-js": "~2.7.3",
"yargs": "^11.0.0"
},
"gh-pages-deploy": {
"staticpath": "docs"
},
"homepage": "https://caolan.github.io/async/",
"keywords": [
"async",
"callback",
"module",
"utility"
],
"license": "MIT",
"main": "dist/async.js",
"name": "async",
"nyc": {
"exclude": [
"mocha_test"
]
},
"repository": {
"type": "git",
"url": "git+https://github.com/caolan/async.git"
},
"scripts": {
"coverage": "nyc npm run mocha-node-test -- --grep @nycinvalid --invert",
"coveralls": "npm run coverage && nyc report --reporter=text-lcov | coveralls",
"jsdoc": "jsdoc -c ./support/jsdoc/jsdoc.json && node support/jsdoc/jsdoc-fix-html.js",
"lint": "eslint lib/ mocha_test/ perf/memory.js perf/suites.js perf/benchmark.js support/build/ support/*.js karma.conf.js",
"mocha-browser-test": "karma start",
"mocha-node-test": "mocha mocha_test/ --compilers js:babel-core/register",
"mocha-test": "npm run mocha-node-test && npm run mocha-browser-test",
"test": "npm run lint && npm run mocha-node-test"
},
"version": "2.6.2"
}
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = parallelLimit;
var _eachOf = require('./eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _parallel = require('./internal/parallel');
var _parallel2 = _interopRequireDefault(_parallel);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Run the `tasks` collection of functions in parallel, without waiting until
* the previous function has completed. If any of the functions pass an error to
* its callback, the main `callback` is immediately called with the value of the
* error. Once the `tasks` have completed, the results are passed to the final
* `callback` as an array.
*
* **Note:** `parallel` is about kicking-off I/O tasks in parallel, not about
* parallel execution of code. If your tasks do not use any timers or perform
* any I/O, they will actually be executed in series. Any synchronous setup
* sections for each task will happen one after the other. JavaScript remains
* single-threaded.
*
* **Hint:** Use [`reflect`]{@link module:Utils.reflect} to continue the
* execution of other tasks when a task fails.
*
* 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.parallel}.
*
* @name parallel
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {Array|Iterable|Object} tasks - A collection of
* [async functions]{@link AsyncFunction} to run.
* Each async function can complete with any number of optional `result` values.
* @param {Function} [callback] - An optional callback to run once all the
* functions have completed successfully. This function gets a results array
* (or object) containing all the result arguments passed to the task callbacks.
* Invoked with (err, results).
*
* @example
* async.parallel([
* function(callback) {
* setTimeout(function() {
* callback(null, 'one');
* }, 200);
* },
* function(callback) {
* setTimeout(function() {
* callback(null, 'two');
* }, 100);
* }
* ],
* // optional callback
* function(err, results) {
* // the results array will equal ['one','two'] even though
* // the second function had a shorter timeout.
* });
*
* // an example using an object instead of an array
* async.parallel({
* one: function(callback) {
* setTimeout(function() {
* callback(null, 1);
* }, 200);
* },
* two: function(callback) {
* setTimeout(function() {
* callback(null, 2);
* }, 100);
* }
* }, function(err, results) {
* // results is now equals to: {one: 1, two: 2}
* });
*/
function parallelLimit(tasks, callback) {
(0, _parallel2.default)(_eachOf2.default, tasks, callback);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = parallelLimit;
var _eachOfLimit = require('./internal/eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _parallel = require('./internal/parallel');
var _parallel2 = _interopRequireDefault(_parallel);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`parallel`]{@link module:ControlFlow.parallel} but runs a maximum of `limit` async operations at a
* time.
*
* @name parallelLimit
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.parallel]{@link module:ControlFlow.parallel}
* @category Control Flow
* @param {Array|Iterable|Object} tasks - A collection of
* [async functions]{@link AsyncFunction} to run.
* Each async function can complete with any number of optional `result` values.
* @param {number} limit - The maximum number of async operations at a time.
* @param {Function} [callback] - An optional callback to run once all the
* functions have completed successfully. This function gets a results array
* (or object) containing all the result arguments passed to the task callbacks.
* Invoked with (err, results).
*/
function parallelLimit(tasks, limit, callback) {
(0, _parallel2.default)((0, _eachOfLimit2.default)(limit), tasks, callback);
}
module.exports = exports['default'];
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'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.
*/
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (worker, concurrency) {
var _worker = (0, _wrapAsync2.default)(worker);
return (0, _queue2.default)(function (items, cb) {
_worker(items[0], cb);
}, concurrency, 1);
};
var _queue = require('./internal/queue');
var _queue2 = _interopRequireDefault(_queue);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
module.exports = exports['default'];
/**
* A queue of tasks for the worker function to complete.
* @typedef {Object} QueueObject
* @memberOf module:ControlFlow
* @property {Function} length - a function returning the number of items
* waiting to be processed. Invoke with `queue.length()`.
* @property {boolean} started - a boolean indicating whether or not any
* items have been pushed and processed by the queue.
* @property {Function} running - a function returning the number of items
* currently being processed. Invoke with `queue.running()`.
* @property {Function} workersList - a function returning the array of items
* currently being processed. Invoke with `queue.workersList()`.
* @property {Function} idle - a function returning false if there are items
* waiting or being processed, or true if not. Invoke with `queue.idle()`.
* @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 `queue.push(task, [callback])`,
* @property {Function} unshift - add a new task to the front of the `queue`.
* Invoke with `queue.unshift(task, [callback])`.
* @property {Function} remove - remove items from the queue that match a test
* function. The test function will be passed an object with a `data` property,
* and a `priority` property, if this is a
* [priorityQueue]{@link module:ControlFlow.priorityQueue} object.
* Invoked with `queue.remove(testFn)`, where `testFn` is of the form
* `function ({data, priority}) {}` and returns a Boolean.
* @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 `queue.pause()`.
* @property {Function} resume - a function that resumes the processing of
* queued tasks when the queue is paused. Invoke with `queue.resume()`.
* @property {Function} kill - a function that removes the `drain` callback and
* empties remaining tasks from the queue forcing it to go idle. No more tasks
* should be pushed to the queue after calling this function. Invoke with `queue.kill()`.
*/
/**
* 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 module:ControlFlow
* @method
* @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=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 {module:ControlFlow.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');
* });
*/
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = race;
var _isArray = require('lodash/isArray');
var _isArray2 = _interopRequireDefault(_isArray);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Runs the `tasks` array of functions in parallel, without waiting until the
* previous function has completed. Once any of the `tasks` complete or pass an
* error to its callback, the main `callback` is immediately called. It's
* equivalent to `Promise.race()`.
*
* @name race
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {Array} tasks - An array containing [async functions]{@link AsyncFunction}
* to run. Each function can complete with an optional `result` value.
* @param {Function} callback - A callback to run once any of the functions have
* completed. This function gets an error or result from the first function that
* completed. Invoked with (err, result).
* @returns undefined
* @example
*
* async.race([
* function(callback) {
* setTimeout(function() {
* callback(null, 'one');
* }, 200);
* },
* function(callback) {
* setTimeout(function() {
* callback(null, 'two');
* }, 100);
* }
* ],
* // main callback
* function(err, result) {
* // the result will be equal to 'two' as it finishes earlier
* });
*/
function race(tasks, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
if (!(0, _isArray2.default)(tasks)) return callback(new TypeError('First argument to race must be an array of functions'));
if (!tasks.length) return callback();
for (var i = 0, l = tasks.length; i < l; i++) {
(0, _wrapAsync2.default)(tasks[i])(callback);
}
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reduce;
var _eachOfSeries = require('./eachOfSeries');
var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Reduces `coll` into a single value using an async `iteratee` to return each
* successive step. `memo` is the initial state of the reduction. This function
* only operates in series.
*
* For performance reasons, it may make sense to split a call to this function
* into a parallel map, and then use the normal `Array.prototype.reduce` on the
* results. This function is for situations where each step in the reduction
* needs to be async; if you can get the data before reducing it, then it's
* probably a good idea to do so.
*
* @name reduce
* @static
* @memberOf module:Collections
* @method
* @alias inject
* @alias foldl
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {*} memo - The initial state of the reduction.
* @param {AsyncFunction} iteratee - A function applied to each item in the
* array to produce the next step in the reduction.
* The `iteratee` should complete with the next state of the reduction.
* If the iteratee complete with an error, the reduction is stopped and the
* main `callback` is immediately called with the error.
* Invoked with (memo, item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result is the reduced value. Invoked with
* (err, result).
* @example
*
* async.reduce([1,2,3], 0, function(memo, item, callback) {
* // pointless async:
* process.nextTick(function() {
* callback(null, memo + item)
* });
* }, function(err, result) {
* // result is now equal to the last value of memo, which is 6
* });
*/
function reduce(coll, memo, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _eachOfSeries2.default)(coll, function (x, i, callback) {
_iteratee(memo, x, function (err, v) {
memo = v;
callback(err);
});
}, function (err) {
callback(err, memo);
});
}
module.exports = exports['default'];
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