Initialized a new vscode-extension.

src/code-stats.ts

@@ -0,0 +1,34 @@
+"use strict";
+// the module 'vscode' contains the VS Code extensibility API
+// import the module and reference it with the alias vscode in your code below
+import * as vscode from "vscode";
+
+// this method is called when your extension is activated
+// your extension is activated the very first time the command is executed
+export function activate(context: vscode.ExtensionContext) {
+
+    // use the console to output diagnostic information (console.log) and errors (console.error)
+    // this line of code will only be executed once when your extension is activated
+    console.log("Congratulations, your extension \"code-stats-vscode\" is now active!");
+
+    // the command has been defined in the package.json file
+    // now provide the implementation of the command with  registerCommand
+    // the commandId parameter must match the command field in package.json
+    let disposable: vscode.Disposable = vscode.commands.registerCommand("codestats.sayHello", () => {
+        var editor: vscode.TextEditor = vscode.window.activeTextEditor;
+        if (!editor) {
+            return;
+        }
+
+        var selection: vscode.Selection = editor.selection;
+        var text: string = editor.document.getText(selection);
+
+        vscode.window.showInformationMessage("Selected characters: " + text.length);
+    });
+
+    context.subscriptions.push(disposable);
+}
+
+// this method is called when your extension is deactivated
+export function deactivate() {
+}