real-mime-type

MIME types (IANA media types) can be wrong when the user changes the file extension, this package reads the first bytes of the file to ensure they fit the expectations and reverts to default browser mime types when unsupported

targets

This package is built using Deno but targets Deno, NPM and ESM

Generate lib

deno task dev` for watch mode

or

deno task build` for ci

Demo

https://stackblitz.com/edit/react-ts-eqqh3x?file=App.tsx,UploadValidator.tsx

NPM Package

@zeachco/real-mime-types

Publish is public (npm publish --access public)

Contributions to package it properly are welcome