bun.sh/misctools/mime.js

const json = await (
  await fetch("https://raw.githubusercontent.com/jshttp/mime-db/master/db.json")
).json();

json["application/javascript"].extensions.push(
  `ts`,
  `tsx`,
  `mts`,
  `mtsx`,
  `cts`,
  `cjs`,
  `mjs`,
  `js`,
);

delete json["application/node"];
delete json["application/deno"];
delete json["application/wasm"];

var categories = new Set();
var all = "pub const all = struct {";
for (let key of Object.keys(json).sort()) {
  const [category] = key.split("/");
  categories.add(category);
  all += `pub const @"${key}": MimeType = MimeType{.category = .@"${category}", .value = "${key}"};\n`;
}

const withExtensions = [
  ...new Set([
    ...Object.keys(json)
      .filter((key) => {
        return !!json[key]?.extensions?.length;
      })
      .flatMap((mime) => {
        return [...new Set([...json[mime].extensions])].map((ext) => {
          return [`.{.@"${ext}", all.@"${mime}"}`];
        });
      })
      .sort(),
  ]),
];

all += "\n";

all += `  pub const extensions = ComptimeStringMap(MimeType, .{
${withExtensions.join(",\n")},
});
};`;

all += "\n";

// all += `pub const Category = enum {
//     ${[...categories].map((a) => `@"${a}"`).join(", \n")}
// };
// `;

console.log(all);