init

dist/greet.js

@@ -0,0 +1,6 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function sayHello(name) {
+    return "Hello from " + name;
+}
+exports.sayHello = sayHello;

dist/main.js

@@ -0,0 +1,4 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var greet_1 = require("./greet");
+console.log(greet_1.sayHello("TypeScript"));

gulpfile.js

@@ -0,0 +1,9 @@
+var gulp = require("gulp");
+var ts = require("gulp-typescript");
+var tsProject = ts.createProject("tsconfig.json");
+
+gulp.task("default", function () {
+    return tsProject.src()
+        .pipe(tsProject())
+        .js.pipe(gulp.dest("dist"));
+});