lightref

Pass primitive types to javascript functions, by reference.

Passed by value

let myVal = "hello"

testFunction(myVal);

function testFunction(val: string) {
    val += " world";
}

console.log(myVal);
// Output: "hello"

Passed by reference

import { Deref, Ref} from "lightref";

const myRef = Ref<string>("hello");

testFunction(myRef);

function testFunction(ref: Ref<string>) {
    ref.value += " world";
}

console.log(myRef.value);
// Output: "hello world"