blob: 81e09cd4bc08f15c7b1f370351549bbcdb0b0c3c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
'use strict';
module.exports = function substr_compare(mainStr, str, offset, length, caseInsensitivity) {
// eslint-disable-line camelcase
// discuss at: http://locutus.io/php/substr_compare/
// original by: Brett Zamir (http://brett-zamir.me)
// original by: strcasecmp, strcmp
// example 1: substr_compare("abcde", "bc", 1, 2)
// returns 1: 0
if (!offset && offset !== 0) {
throw new Error('Missing offset for substr_compare()');
}
if (offset < 0) {
offset = mainStr.length + offset;
}
if (length && length > mainStr.length - offset) {
return false;
}
length = length || mainStr.length - offset;
mainStr = mainStr.substr(offset, length);
// Should only compare up to the desired length
str = str.substr(0, length);
if (caseInsensitivity) {
// Works as strcasecmp
mainStr = (mainStr + '').toLowerCase();
str = (str + '').toLowerCase();
if (mainStr === str) {
return 0;
}
return mainStr > str ? 1 : -1;
}
// Works as strcmp
return mainStr === str ? 0 : mainStr > str ? 1 : -1;
};
//# sourceMappingURL=substr_compare.js.map
|
