min-4byte-code-point
The minimum code point of 4 byte characters in UTF-8
import MIN_4BYTE_CODE_POINT from 'min-4byte-code-point';
MIN_4BYTE_CODE_POINT //=> 65536
MIN_4BYTE_CODE_POINT === 0x10000; //=> true
new Buffer(String.fromCodePoint(MIN_4BYTE_CODE_POINT)).byteLength; //=> 4
new Buffer(String.fromCodePoint(MIN_4BYTE_CODE_POINT - 1)).byteLength; //=> 3
Installation
Package managers
npm
npm install min-4byte-code-point
bower
bower install min-4byte-code-point
Standalone
Download the script file directly.