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'use strict';
module.exports = function ord(string) {
// discuss at: http://locutus.io/php/ord/
// original by: Kevin van Zonneveld (http://kvz.io)
// bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
// improved by: Brett Zamir (http://brett-zamir.me)
// input by: incidence
// example 1: ord('K')
// returns 1: 75
// example 2: ord('\uD800\uDC00'); // surrogate pair to create a single Unicode character
// returns 2: 65536
var str = string + '';
var code = str.charCodeAt(0);
if (code >= 0xD800 && code <= 0xDBFF) {
// High surrogate (could change last hex to 0xDB7F to treat
// high private surrogates as single characters)
var hi = code;
if (str.length === 1) {
// This is just a high surrogate with no following low surrogate,
// so we return its value;
return code;
// we could also throw an error as it is not a complete character,
// but someone may want to know
}
var low = str.charCodeAt(1);
return (hi - 0xD800) * 0x400 + (low - 0xDC00) + 0x10000;
}
if (code >= 0xDC00 && code <= 0xDFFF) {
// Low surrogate
// This is just a low surrogate with no preceding high surrogate,
// so we return its value;
return code;
// we could also throw an error as it is not a complete character,
// but someone may want to know
}
return code;
};
//# sourceMappingURL=ord.js.map
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