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var $export = require('./_export')
, defined = require('./_defined')
, fails = require('./_fails')
, spaces = require('./_string-ws')
, space = '[' + spaces + ']'
, non = '\u200b\u0085'
, ltrim = RegExp('^' + space + space + '*')
, rtrim = RegExp(space + space + '*$');
var exporter = function(KEY, exec, ALIAS){
var exp = {};
var FORCE = fails(function(){
return !!spaces[KEY]() || non[KEY]() != non;
});
var fn = exp[KEY] = FORCE ? exec(trim) : spaces[KEY];
if(ALIAS)exp[ALIAS] = fn;
$export($export.P + $export.F * FORCE, 'String', exp);
};
// 1 -> String#trimLeft
// 2 -> String#trimRight
// 3 -> String#trim
var trim = exporter.trim = function(string, TYPE){
string = String(defined(string));
if(TYPE & 1)string = string.replace(ltrim, '');
if(TYPE & 2)string = string.replace(rtrim, '');
return string;
};
module.exports = exporter;
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