dynamic javascript eval

f.js

export default function f(body) {
    const code = `
        with(this){
            return(async function(){
                ${body}
            }).call(this)
        }
    `
    return new Function(code)
};

(async function main() {
    const body = 'return f()'
    const context = {
        foo: { one: 'one-two' },
        f: () => ("i'm a function")
    };
    console.log('f', await f(body).call(context))
})()