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'use strict';
module.exports = function strncasecmp(argStr1, argStr2, len) {
// discuss at: http://locutus.io/php/strncasecmp/
// original by: Saulo Vallory
// input by: Nate
// bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
// note 1: Returns < 0 if str1 is less than str2 ; > 0
// note 1: if str1 is greater than str2, and 0 if they are equal.
// example 1: strncasecmp('Price 12.9', 'Price 12.15', 2)
// returns 1: 0
// example 2: strncasecmp('Price 12.09', 'Price 12.15', 10)
// returns 2: -1
// example 3: strncasecmp('Price 12.90', 'Price 12.15', 30)
// returns 3: 8
// example 4: strncasecmp('Version 12.9', 'Version 12.15', 20)
// returns 4: 8
// example 5: strncasecmp('Version 12.15', 'Version 12.9', 20)
// returns 5: -8
var diff;
var i = 0;
var str1 = (argStr1 + '').toLowerCase().substr(0, len);
var str2 = (argStr2 + '').toLowerCase().substr(0, len);
if (str1.length !== str2.length) {
if (str1.length < str2.length) {
len = str1.length;
if (str2.substr(0, str1.length) === str1) {
// return the difference of chars
return str1.length - str2.length;
}
} else {
len = str2.length;
// str1 is longer than str2
if (str1.substr(0, str2.length) === str2) {
// return the difference of chars
return str1.length - str2.length;
}
}
} else {
// Avoids trying to get a char that does not exist
len = str1.length;
}
for (diff = 0, i = 0; i < len; i++) {
diff = str1.charCodeAt(i) - str2.charCodeAt(i);
if (diff !== 0) {
return diff;
}
}
return 0;
};
//# sourceMappingURL=strncasecmp.js.map
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