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Diffstat (limited to 'node_modules/locutus/php/strings/chr.js')
-rw-r--r-- | node_modules/locutus/php/strings/chr.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/node_modules/locutus/php/strings/chr.js b/node_modules/locutus/php/strings/chr.js new file mode 100644 index 0000000..8a6f52d --- /dev/null +++ b/node_modules/locutus/php/strings/chr.js @@ -0,0 +1,22 @@ +"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
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