Expose a small public surface for related operations.

Module Facade

module_facade.js
const raw = "7";
const output = {
  parse(text) {
    return Number(text);
  },
  format(value) {
    return "value=" + value;
  },
}.format(Number(raw));

console.log("raw=" + raw);
console.log("output=" + output);
module-facade A facade exposes the few operations callers should use. Even with an object namespace, keep the public surface small and named clearly.