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'use strict';
module.exports = function strcspn(str, mask, start, length) {
// discuss at: http://locutus.io/php/strcspn/
// original by: Brett Zamir (http://brett-zamir.me)
// revised by: Theriault
// example 1: strcspn('abcdefg123', '1234567890')
// returns 1: 7
// example 2: strcspn('123abc', '1234567890')
// returns 2: 0
// example 3: strcspn('abcdefg123', '1234567890', 1)
// returns 3: 6
// example 4: strcspn('abcdefg123', '1234567890', -6, -5)
// returns 4: 1
start = start || 0;
length = typeof length === 'undefined' ? str.length : length || 0;
if (start < 0) start = str.length + start;
if (length < 0) length = str.length - start + length;
if (start < 0 || start >= str.length || length <= 0 || e >= str.length) return 0;
var e = Math.min(str.length, start + length);
for (var i = start, lgth = 0; i < e; i++) {
if (mask.indexOf(str.charAt(i)) !== -1) {
break;
}
++lgth;
}
return lgth;
};
//# sourceMappingURL=strcspn.js.map
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