formats.exposed/public/png/png.js

// @ts-check

import parsePng from "./parsePng.js";

import parseHash from "./parseHash.js";

const errorEl = document.getElementById("error");
const explorerEl = document.getElementById("explorer");
if (!errorEl || !explorerEl) throw new Error("HTML is not set up correctly");

const main = () => {
  // TODO: We may want a better UI here.
  const parsedHash = parseHash(location.hash);
  if (!parsedHash) {
    location.href = "..";
    return;
  }

  const { bytes } = parsedHash;

  const rootNode = parsePng(bytes);
  if (!rootNode) {
    // TODO: Is there better UI than this?
    errorEl.removeAttribute("hidden");
    return;
  }

  // TODO: Actually do something!
  console.log(rootNode);
};

main();