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