console.hex polyfill

hex.js

// Copyright (c) by Niels Leenheer
// https://twitter.com/html5test/status/934879316080517121
console.hex = d =>
  console.log(
    (Object(d).buffer instanceof ArrayBuffer
      ? new Uint8Array(d.buffer)
      : typeof d === "string"
        ? new TextEncoder("utf-8").encode(d)
        : new Uint8ClampedArray(d)
    ).reduce(
      (p, c, i, a) =>
        p +
        (i % 16 === 0 ? i.toString(16).padStart(6, 0) + "  " : " ") +
        c.toString(16).padStart(2, 0) +
        (i === a.length - 1 || i % 16 === 15
          ? " ".repeat((15 - i % 16) * 3) +
            Array.from(a)
              .splice(i - i % 16, 16)
              .reduce(
                (r, v) =>
                  r +
                  ((v > 31 && v < 127) || v > 159
                    ? String.fromCharCode(v)
                    : "."),
                "  "
              ) +
            "\n"
          : ""),
      ""
    )
  );