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strip-bom

Strip UTF-8 byte order mark (BOM) from a string

strip-bom

Strip UTF-8 byte order mark (BOM) from a string

From Wikipedia:

The Unicode Standard permits the BOM in UTF-8, but does not require nor recommend its use. Byte order has no meaning in UTF-8.

$ npm install --save strip-bom
const stripBom = require('strip-bom');
 
stripBom('\uFEFFunicorn');
//=> 'unicorn' 

MIT © Sindre Sorhus