var baseToString = require('./_baseToString'), castSlice = require('./_castSlice'), charsEndIndex = require('./_charsEndIndex'), charsStartIndex = require('./_charsStartIndex'), stringToArray = require('./_stringToArray'), toString = require('./toString');
var reTrim = /^\s+|\s+$/g;
function trim(string, chars, guard) { string = toString(string); if (string && (guard || chars === undefined)) { return string.replace(reTrim, ''); } if (!string || !(chars = baseToString(chars))) { return string; } var strSymbols = stringToArray(string), chrSymbols = stringToArray(chars), start = charsStartIndex(strSymbols, chrSymbols), end = charsEndIndex(strSymbols, chrSymbols) + 1;
return castSlice(strSymbols, start, end).join('');}
module.exports = trim;