Wrapping Cheerp ES6 modules

add.cpp

[[cheerp::jsexport]]int add(int a, int b)
{
        return a+b;
}

Makefile

all:
        /opt/cheerp/bin/clang++ add.cpp -cheerp-make-module=es6 -o add.js -O3

user_module.js

import {add} from "./wrap_add.js"

console.log(add(23, 19));

wrap_add.js

import instantiate from './add.js'

var module = await instantiate();
var add = module.add;

export {add};