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'use strict';
var implementation = require('./implementation');
module.exports = function getPolyfill() {
if (!String.prototype.trimStart && !String.prototype.trimLeft) {
return implementation;
}
var zeroWidthSpace = '\u200b';
var trimmed = zeroWidthSpace.trimStart ? zeroWidthSpace.trimStart() : zeroWidthSpace.trimLeft();
if (trimmed !== zeroWidthSpace) {
return implementation;
}
return String.prototype.trimStart || String.prototype.trimLeft;
};
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