main
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Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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Property mode
set to
100644
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File size:
463 bytes
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| 1 | 'use strict';
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| 2 |
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| 3 | var implementation = require('./implementation');
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| 4 |
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| 5 | module.exports = function getPolyfill() {
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| 6 | if (!String.prototype.trimStart && !String.prototype.trimLeft) {
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| 7 | return implementation;
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| 8 | }
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| 9 | var zeroWidthSpace = '\u200b';
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| 10 | var trimmed = zeroWidthSpace.trimStart ? zeroWidthSpace.trimStart() : zeroWidthSpace.trimLeft();
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| 11 | if (trimmed !== zeroWidthSpace) {
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| 12 | return implementation;
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| 13 | }
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| 14 | return String.prototype.trimStart || String.prototype.trimLeft;
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| 15 | };
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