neo-async - npm Package Compare versions

Comparing version 0.3.4 to 0.4.0

lib/async.js

@@ -97,3 +97,5 @@ (function() {
     createLogger: createLogger,
-    noConflict: noConflict
+    noConflict: noConflict,
+    eventEmitter: eventEmitter,
+    EventEmitter: EventEmitter
   };
@@ -1382,3 +1384,2 @@
     }
-
     iterate();
@@ -2587,3 +2588,3 @@
     var iterate = function() {
-      _iterator(completed, once(createCallback(completed)));
+      _iterator(completed, createCallback(completed));
     };
@@ -2595,4 +2596,10 @@
 
+      var called = false;
+
       return function(err, res) {
 
+        if (called) {
+          throw new Error('Callback was already called.');
+        }
+        called = true;
         result[index] = res;
@@ -2755,3 +2762,98 @@
 
+  function EventEmitter(emitter, limit) {
+
+    this._emitter = emitter || series;
+    this._limit = limit || 4;
+    this._events = {};
+  }
+
+  EventEmitter.prototype.on = function on(key, callback) {
+
+    var self = this;
+    if (typeof key == 'object') {
+      _objectEach(key, function(func, key) {
+        on.call(self, key, func);
+      });
+    } else {
+      self._events[key] = self._events[key] || [];
+      if (Array.isArray(callback)) {
+        Array.prototype.push.apply(self._events[key], callback);
+      } else {
+        self._events[key].push(callback);
+      }
+    }
+    return self;
+  };
+
+  EventEmitter.prototype.once = function once(key, callback) {
+
+    var self = this;
+    if (typeof key == 'object') {
+      _objectEach(key, function(func, key) {
+        once.call(self, key, func);
+      });
+    } else {
+      if (Array.isArray(callback)) {
+        _arrayEvery(callback, function(func) {
+          func._once = true;
+        });
+      } else {
+        callback._once = true;
+      }
+      self.on(key, callback);
+    }
+    return self;
+  };
+
+  EventEmitter.prototype.emit = function(key, callback, thisArg) {
+
+    callback = callback || function() {};
+    var events = this._events[key] || [];
+    if (!events.length) {
+      return callback();
+    }
+
+    var emitter = this._emitter;
+    emitter = thisArg ? emitter.bind(thisArg) : emitter;
+    if (emitter === parallelLimit) {
+      emitter(events, this._limit, done);
+    } else {
+      emitter(events, done);
+    }
+    return this;
+
+    function done(err, res) {
+
+      var l = events.length;
+      while(--l) {
+        var fn = events[l];
+        if (fn._once) {
+          events.splice(l, 1);
+        }
+      }
+      callback(err, res);
+    }
+  };
+
+  /**
+   * @param {Object} option
+   * @param {Boolean} option.series - default
+   * @param {Boolean} option.parallel
+   * @param {Boolean} option.parallelLimit
+   * @param {Number} option.limit - default 4
+   */
+  function eventEmitter(option) {
+    option = option || {};
+    var limit = option.limit;
+    if (option.parallel && !limit) {
+      return new EventEmitter(parallel);
+    }
+    if (option.parallel || option.parallelLimit) {
+      return new EventEmitter(parallelLimit, limit);
+    }
+
+    return new EventEmitter(option.emitter);
+  }
+
 }.call(this));
 

lib/async.min.js

@@ -1,40 +0,42 @@
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+var g=this._events[a]||[];if(!g.length)return c();a=this._emitter;a=e?a.bind(e):a;a===R?a(g,this._limit,f):a(g,f);return this}}).call(this);

package.json

 {
   "name": "neo-async",
-  "version": "0.3.4",
+  "version": "0.4.0",
   "description": "Neo-Async is compatible with Async.js, it is faster and has more feature.",
@@ -28,3 +28,3 @@ "main": "index.js",
     "async": "^0.9.0",
-    "coveralls": "^2.11.2",
+    "codecov.io": "0.0.8",
     "func-comparator": "^0.2.0",
@@ -31,0 +31,0 @@ "intelli-espower-loader": "^0.5.0",

README.md

 # Neo-Async
 [![Build Status](https://travis-ci.org/suguru03/neo-async.svg?branch=master)](https://travis-ci.org/suguru03/Neo-Async)
-[![Coverage Status](https://coveralls.io/repos/suguru03/Neo-Async/badge.png?branch=master)](https://coveralls.io/r/suguru03/Neo-Async?branch=master)
-
+[![codecov.io](https://codecov.io/github/suguru03/neo-async/coverage.svg?branch=master)](https://codecov.io/github/suguru03/neo-async?branch=master)
 ![Neo-Async](https://raw.githubusercontent.com/wiki/suguru03/neo-async/images/neo_async.png)
@@ -124,2 +123,4 @@
 * async.noConflict
+* async.eventEmitter
+* async.EventEmitter
 
@@ -147,3 +148,3 @@ ---
 };
-async.each(collection, iterator, function(err, res) {
+async.concat(collection, iterator, function(err, res) {
   assert.deepEqual(res, [1, 2, 3]);
@@ -157,2 +158,58 @@ assert.deepEqual(order, [1, 2, 3]);
 
+<a name='concatSeries'/>
+### concatSeries(collection, iterator, callback, thisArg)
+
+__Arguments__
+
+1. collection (Array|Object): The collection to iterate over.
+2. iterator(item, callback) (Function): The function called per iteration.
+3. callback(err) (Function): The function called at the end.
+4. thisArg (*): The this binding of iterator.
+
+```js
+var order = [];
+var collection = [1, 3, 2];
+var iterator = function(num, done) {
+  setTimeout(function() {
+    order.push(num);
+    done(null, num);
+  }, num * 10);
+};
+async.concatSeries(collection, iterator, function(err, res) {
+  assert.deepEqual(res, [1, 3, 2]);
+  assert.deepEqual(order, [1, 3, 2]);
+});
+
+```
+
+---
+<a name='concatLimit'/>
+### concatLimit(collection, limit, iterator, callback, thisArg)
+
+__Arguments__
+
+1. collection (Array|Object): The collection to iterate over.
+2. limit (Number): The maximum number of iterators to run at any time.
+3. iterator(item, callback) (Function): The function called per iteration.
+4. callback(err) (Function): The function called at the end.
+5. thisArg (*): The this binding of iterator.
+
+```js
+var order = [];
+var collection = [1, 3, 2];
+var iterator = function(num, done) {
+  setTimeout(function() {
+    order.push(num);
+    done(null, num);
+  }, num * 10);
+};
+async.concatSeries(collection, iterator, function(err, res) {
+  assert.deepEqual(res, [1, 3, 2]);
+  assert.deepEqual(order, [1, 3, 2]);
+});
+
+```
+
+---
+
 <a name='each'/>
@@ -253,3 +310,3 @@ ### each(collection, iterator, callback, thisArg)
 <a name='multiEach'/>
-### multiEach (collection, tasks, callback)
+### multiEach(collection, tasks, callback)
 This function provides asynchronous and straight-forward to deep nested each functions, in parallel.
@@ -256,0 +313,0 @@

New alerts

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

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License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

97341

increased by5.27%

Lines of code

2379

increased by4.11%

Number of lines in readme file

518

increased by12.36%

No dependency changes