blob: 8a6f52d643f502b51583fa45ea10381cb529d2de (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
"use strict";
module.exports = function chr(codePt) {
// discuss at: http://locutus.io/php/chr/
// original by: Kevin van Zonneveld (http://kvz.io)
// improved by: Brett Zamir (http://brett-zamir.me)
// example 1: chr(75) === 'K'
// example 1: chr(65536) === '\uD800\uDC00'
// returns 1: true
// returns 1: true
if (codePt > 0xFFFF) {
// Create a four-byte string (length 2) since this code point is high
// enough for the UTF-16 encoding (JavaScript internal use), to
// require representation with two surrogates (reserved non-characters
// used for building other characters; the first is "high" and the next "low")
codePt -= 0x10000;
return String.fromCharCode(0xD800 + (codePt >> 10), 0xDC00 + (codePt & 0x3FF));
}
return String.fromCharCode(codePt);
};
//# sourceMappingURL=chr.js.map
|
