Terser JavaScript output

[woutervanerp]

I'm testing with Terser and i don't seem to get the same result.

My astro.config.mjs

import { defineConfig } from "astro/config";
import compress from "astro-compress";

export default defineConfig({
    integrations: [compress({
        JavaScript: {
            terser: {
                compress: true,
                mangle: true,
                module: true,
            }
        }
    })]
});

When i set up a clean test project (without astro) with Terser and run

terser index.js -o dist/index.min.js --compress --mangle --module

It makes from this:

// index.js
function sayHello() {
    console.log("Hello, world!");
}

function greet(name) {
    console.log("Greetings, " + name + "!");
}

const myNumber = 42;

sayHello();
greet("Alice");
console.log("My number is: " + myNumber);

this (desired outcome):

var o;console.log("Hello, world!"),o="Alice",console.log("Greetings, "+o+"!"),console.log("My number is: 42");

But with my astro config the output is (not expected outcome):

function e(){console.log("Hello, world!")}function l(o){console.log("Greetings, "+o+"!")}const n=42;e(),l("Alice"),console.log("My number is: 42")