is-utf8

Detect if a buffer is utf8 encoded.

Usage no npm install needed!

<script type="module">
  import isUtf8 from 'https://cdn.skypack.dev/is-utf8';
</script>

README

utf8 detector

Detect if a Buffer is utf8 encoded. It need The minimum amount of bytes is 4.

    var fs = require('fs');
    var isUtf8 = require('is-utf8');
    var ansi = fs.readFileSync('ansi.txt');
    var utf8 = fs.readFileSync('utf8.txt');
    
    console.log('ansi.txt is utf8: '+isUtf8(ansi)); //false
    console.log('utf8.txt is utf8: '+isUtf8(utf8)); //true