diff --git a/ChangeLog.md b/ChangeLog.md
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+++ b/ChangeLog.md
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+# Revision history for fay-websockets
+
+## 0.0.1.0 -- 2018-11-28
+
+* First version. Under development. Supported connection handling, sending/receiving of text data.
diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+Copyright (c) 2018, Andrey Prokopenko
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Andrey Prokopenko nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
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+++ b/README.md
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+# fay-websockets
+
+A FFI Wrapper for WebSockets use with Fay. It includes functions for WebSockets connection initialization, handling WebSockets events and sending data over WebSockets.
+
+## Installation
+
+With cabal:
+
+```
+cabal new-install fay-websockets
+```
+
+With stack:
+
+```
+stack build
+```
+
+Or just include `fay-websockets` in either your `.cabal` file or `package.yml`.
+
+Then include it at the top of Fay file:
+
+```
+import WebSockets
+```
+
+2018 (c) Andrey Prokopenko
diff --git a/Setup.hs b/Setup.hs
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+++ b/Setup.hs
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+import Distribution.Simple
+main = defaultMain
diff --git a/fay-websockets.cabal b/fay-websockets.cabal
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--- /dev/null
+++ b/fay-websockets.cabal
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+name:                fay-websockets
+version:             0.0.1.0
+synopsis:            Websockets FFI library for Fay
+description:         Websockets FFI library for Fay
+homepage:            https://github.com/swamp-agr/fay-websockets
+bug-reports:         https://github.com/swamp-agr/fay-websockets/issues
+license:             BSD3
+license-file:        LICENSE
+author:              Andrey Prokopenko
+maintainer:          persiantiger@yandex.ru
+copyright:           2018 Andrey Prokopenko
+category:            Web, Fay
+build-type:          Simple
+cabal-version:       >=1.10
+data-files:          src/WebSockets.hs
+extra-source-files:  
+  ChangeLog.md
+  LICENSE
+  README.md
+
+
+source-repository head
+  type: git
+  location: https://github.com/swamp-agr/fay-websockets.git  
+
+library
+  hs-source-dirs:      src
+  exposed-modules:     WebSockets
+  ghc-options:         -Wall
+  build-depends:
+    fay-base >= 0.19.4.0 && < 0.22
+
+  default-language:    Haskell2010
diff --git a/src/WebSockets.hs b/src/WebSockets.hs
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--- /dev/null
+++ b/src/WebSockets.hs
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+{-# LANGUAGE EmptyDataDecls #-}
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RebindableSyntax #-}
+module WebSockets where
+
+import Data.Text
+import FFI
+
+-- | WebSocket object to keep connection, handle events and sending data.
+data WebSocket
+
+-- | WebSocket event.
+data WSEvent
+
+-- | State of WebSocket
+data WSState = Connecting | Open | Closing | Closed
+
+-- | Get current url and replace 'http' with 'ws'.
+getWsUrl :: Fay Text
+getWsUrl = ffi "window['location']['href'].replace('http:', 'ws:').replace('https:', 'wss:')"
+
+-- | Wrapper over '.onopen' event.
+onOpen :: WSEvent -> Fay ()
+onOpen = ffi "console.log('WebSocket is up and running')"
+
+-- | Wrapper over '.onclose' event.
+onClose :: WebSocket -> Fay f -> Fay ()
+onClose = ffi "%1.onclose=%2"
+
+-- | Wrapper over '.onError' event.
+onError :: WebSocket -> Fay f -> Fay ()
+onError = ffi "%1.onerror=%2"
+
+-- | Get text data from event.
+eventData :: WSEvent -> Fay Text
+eventData = ffi "%1['data']"
+
+-- | Wrapper over '.onMessage'
+onMessage :: WSEvent -> Fay ()
+onMessage = ffi "(function(e){console.log(e); console.log(e.data);})(%1)"
+
+-- | Key function that by given URL initialize connection, starts to listen all events and ready to sending data.
+websocket
+  :: Text -- ^ WebSocket endpoint URL;
+  -> (WSEvent -> Fay ()) -- ^ when connection opened ;
+  -> (WSEvent -> Fay ()) -- ^ when messages received;
+  -> (WSEvent -> Fay ()) -- ^ when errors occured;
+  -> (WSEvent -> Fay ()) -- ^ when connection closed.
+  -> Fay WebSocket
+websocket = ffi "(function (){var conn = new WebSocket(%1);\
+\ conn.onopen = %2, conn.onmessage = %3, conn.onerror = %4, conn.onclose = %5;\  
+\return conn})()"
+
+-- FIXME: add 'USVString', 'ArrayBuffer', 'Blob', 'ArrayBufferView'
+-- | Send text data over WebSocket.
+sendWS :: WebSocket -> Text -> Fay ()
+sendWS = ffi "%1.send(%2)"
+
+-- | Close current connection.
+close :: WebSocket -> Fay ()
+close = ffi "%1.close"