static-browser-server/src/lib/mime.ts

A simple service worker used for the static template in sandpack, allowing users to develop websites like they would locally in the browser.

import mimeDB from "mime-db";

const extensionMap = new Map<string, string>();
const entries = Object.entries(mimeDB);
for (const [mimetype, entry] of entries) {
  if (!entry.extensions) {
    continue;
  }

  const extensions = entry.extensions as string[];
  if (extensions.length) {
    for (const ext of extensions) {
      extensionMap.set(ext, mimetype);
    }
  }
}

export const EXTENSIONS_MAP = extensionMap;