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is-utf8
Advanced tools
Detect if a buffer is utf8 encoded.
Weekly downloads
Package description
The is-utf8 npm package is a simple utility that allows you to check if a given buffer is valid UTF-8 encoded text. It is useful when you need to validate the encoding of text data in Node.js applications.
Check if a buffer is UTF-8
This feature allows you to check if a buffer contains valid UTF-8 encoded text. The code sample demonstrates reading a file into a buffer and then using is-utf8 to check if the buffer is UTF-8.
const isUtf8 = require('is-utf8');
const fs = require('fs');
const buffer = fs.readFileSync('somefile.txt');
const isValidUtf8 = isUtf8(buffer);
console.log(isValidUtf8); // outputs true or false
This package provides a way to check if a buffer is valid UTF-8. It is similar to is-utf8 but is specifically designed for use with WebSockets where UTF-8 validation is a common requirement.
While not limited to UTF-8 validation, iconv-lite is a character encoding utility that can convert between various encodings. It can be used to check if text is UTF-8 by converting it to UTF-8 and comparing it to the original.
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
FAQs
Detect if a buffer is utf8 encoded.
The npm package is-utf8 receives a total of 6,028,496 weekly downloads. As such, is-utf8 popularity was classified as popular.
We found that is-utf8 demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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