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// https://github.com/tc39/proposal-string-pad-start-end
var toLength = require('./_to-length');
var repeat = require('./_string-repeat');
var defined = require('./_defined');
module.exports = function (that, maxLength, fillString, left) {
var S = String(defined(that));
var stringLength = S.length;
var fillStr = fillString === undefined ? ' ' : String(fillString);
var intMaxLength = toLength(maxLength);
if (intMaxLength <= stringLength || fillStr == '') return S;
var fillLen = intMaxLength - stringLength;
var stringFiller = repeat.call(fillStr, Math.ceil(fillLen / fillStr.length));
if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen);
return left ? stringFiller + S : S + stringFiller;
};
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