Add xterm itegration

* Move to TypeScript from legacy JavaScript
* Add support of xterm.js
* Hterm is still available for backward compatibility

js/dist/websocket.js

@@ -0,0 +1,60 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var ConnectionFactory = (function () {
+    function ConnectionFactory(url, protocols) {
+        this.url = url;
+        this.protocols = protocols;
+    }
+    ;
+    ConnectionFactory.prototype.create = function () {
+        return new Connection(this.url, this.protocols);
+    };
+    ;
+    return ConnectionFactory;
+}());
+exports.ConnectionFactory = ConnectionFactory;
+var Connection = (function () {
+    function Connection(url, protocols) {
+        this.bare = new WebSocket(url, protocols);
+    }
+    Connection.prototype.open = function () {
+        // nothing todo for websocket
+    };
+    ;
+    Connection.prototype.close = function () {
+        this.bare.close();
+    };
+    ;
+    Connection.prototype.send = function (data) {
+        this.bare.send(data);
+    };
+    ;
+    Connection.prototype.isOpen = function () {
+        if (this.bare.readyState == WebSocket.CONNECTING ||
+            this.bare.readyState == WebSocket.OPEN) {
+            return true;
+        }
+        return false;
+    };
+    Connection.prototype.onOpen = function (callback) {
+        this.bare.onopen = function (event) {
+            callback();
+        };
+    };
+    ;
+    Connection.prototype.onReceive = function (callback) {
+        this.bare.onmessage = function (event) {
+            callback(event.data);
+        };
+    };
+    ;
+    Connection.prototype.onClose = function (callback) {
+        this.bare.onclose = function (event) {
+            callback();
+        };
+    };
+    ;
+    return Connection;
+}());
+exports.Connection = Connection;
+//# sourceMappingURL=websocket.js.map