Node TypeScript Loader

getTypeScriptVersion.ts

import _vm = require("vm");
import _path = require("path");
import _fs = require("fs");

function getTypeScriptVersion(): string {
    var typeScriptDir = _path.dirname(require.resolve("typescript")),
        packageJsonPath = _path.resolve(typeScriptDir, "..", "package.json");

    if (!_fs.existsSync(packageJsonPath)) {
        throw new Error("TypeScript not found.")
    }
    return JSON.parse(_fs.readFileSync(packageJsonPath, {encoding: "utf-8"}).toString()).version;
}

tsloader.js

var _vm = require("vm"),
    _fs = require("fs"),
    _path = require("path");

var typeScriptDir = _path.dirname(require.resolve("typescript")),
    typeScriptPath = _path.resolve(typeScriptDir, "typescript.js"),
    code = _fs.readFileSync(typeScriptPath, { encoding: "utf-8" }).toString(),
    sandbox = {};

_vm.runInNewContext(code, sandbox, "typescript.js");
module.exports = sandbox.TypeScript;

tsloader.ts

export = TypeScript;