npm install rexjs-api

git clone https://github.com/china-liji/Rexjs.git

<script src="./dist/rex.min.js"></script><!-- set the "type" attribute to define a module --><script type="text/rexjs">	import "./module.js";	export default class {};</script><!--	also, set the "src" attribute to reference a module,	and add the "data-sourcemaps" attribute to enable sourcemaps.--><script src="./module.js" type="text/rexjs" data-sourcemaps></script>

import path from "path";export default function(filename){	return path.parse(filename).ext;};

import ext from "./ext.js";// output ".js"ext(__filename);

rexjs ./index.js

// import "rexjs-api" module// Nodejslet Rexjs = require("rexjs-api");// Web WorkerimportScripts("./dist/rex-api.min.js");let Rexjs = self.Rexjs;// Web: <script src="./dist/rex.min.js"></script>let Rexjs = window.Rexjs;// initialize parserlet es5Code = "", parser = new Rexjs.ECMAScriptParser();// parse module from a fileparser.parse(	// init file	new Rexjs.File(		// filename		"./filename.js",		// source		"class Car {}"	));// returning the generated codees5Code = parser.build();

<script src="./dist/rex-browser-helper.min.js"></script>