From f16750535c00d68d81a3fb4ae83f097cf974b69d Mon Sep 17 00:00:00 2001
From: PavelTrofimov <pavtrof342@gmail.com>
Date: Thu, 1 Dec 2016 00:14:09 +0600
Subject: [PATCH 1/2] test

---
 flow.js | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 55 insertions(+), 5 deletions(-)

diff --git a/flow.js b/flow.js
index d46e521..9318531 100644
--- a/flow.js
+++ b/flow.js
@@ -4,7 +4,7 @@
  * Сделано задание на звездочку
  * Реализованы методы mapLimit и filterLimit
  */
-exports.isStar = true;
+exports.isStar = false;
 
 /**
  * Последовательное выполнение операций
@@ -12,7 +12,17 @@ exports.isStar = true;
  * @param {Function} callback
  */
 exports.serial = function (operations, callback) {
-    console.info(operations, callback);
+    var index = 0;
+    var cb = function (error, result) {
+        index++;
+        if (error || index === operations.length) {
+            callback(error, result);
+        } else {
+            operations[index](result, cb);
+        }
+    };
+    operations[index](cb);
+
 };
 
 /**
@@ -21,8 +31,30 @@ exports.serial = function (operations, callback) {
  * @param {Function} operation – функция для обработки элементов
  * @param {Function} callback
  */
+
 exports.map = function (items, operation, callback) {
-    console.info(items, operation, callback);
+    var count = items.length;
+    var errorCallback = false;
+    var results = [];
+    var cb = function (index, err, result) {
+        if (err) {
+            errorCallback = true;
+
+            return callback(err);
+        }
+        if (errorCallback) {
+            return;
+        }
+        count--;
+        results[index] = result;
+        if (count === 0) {
+            return callback(null, results);
+        }
+    };
+
+    items.forEach(function (item, index) {
+        operation(item, cb.bind(null, index));
+    });
 };
 
 /**
@@ -32,15 +64,33 @@ exports.map = function (items, operation, callback) {
  * @param {Function} callback
  */
 exports.filter = function (items, operation, callback) {
-    console.info(items, operation, callback);
+    exports.map(items, operation, function (err, result) {
+        if (err) {
+            callback(err);
+        }
+        callback(null, items.filter(function (item, index) {
+            return result[index];
+        }));
+    });
 };
 
 /**
  * Асинхронизация функций
  * @param {Function} func – функция, которой суждено стать асинхронной
  */
+
 exports.makeAsync = function (func) {
-    console.info(func);
+    return function () {
+        var args = [].slice.call(arguments);
+        var callback = args.pop();
+        setTimeout(function () {
+            try {
+                callback(null, func.apply(null, args));
+            } catch (error) {
+                callback(error);
+            }
+        }, 0);
+    };
 };
 
 /**

From 00a0a51a47fba55d2f0ce7553543a730b8ab4179 Mon Sep 17 00:00:00 2001
From: PavelTrofimov <pavtrof342@gmail.com>
Date: Thu, 1 Dec 2016 00:27:57 +0600
Subject: [PATCH 2/2] =?UTF-8?q?=D0=BF=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA?=
 =?UTF-8?q?=D0=B0=20=D0=B2=D1=85=D0=BE=D0=B4=D0=BD=D1=8B=D1=85=20=D0=B7?=
 =?UTF-8?q?=D0=BD=D0=B0=D1=87=D0=B5=D0=BD=D0=B8=D0=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 flow.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/flow.js b/flow.js
index 9318531..e7a2d6a 100644
--- a/flow.js
+++ b/flow.js
@@ -12,6 +12,9 @@ exports.isStar = false;
  * @param {Function} callback
  */
 exports.serial = function (operations, callback) {
+    if (!operations) {
+        callback(null, null);
+    }
     var index = 0;
     var cb = function (error, result) {
         index++;
@@ -33,6 +36,9 @@ exports.serial = function (operations, callback) {
  */
 
 exports.map = function (items, operation, callback) {
+    if (!items) {
+        callback(null, null);
+    }
     var count = items.length;
     var errorCallback = false;
     var results = [];