prefixer.js

function prefixer(prefix) {
  return function (...data) {
    console.log(
      data
        .map((d) => JSON.stringify(d, null, 2))
        .join(" ")
        .split("\n")
        .map((line) => `${prefix}${line}`)
        .join("\n")
    );
  };
}
const lovelyPrefixer = prefixer("lovely: ");
lovelyPrefixer("some log", { foo: "bar", baz: {} }, "other log", [1, 2, 3]);