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Last change
on this file since 6c1585f was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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File size:
413 bytes
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| 1 | 'use strict';
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| 2 |
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| 3 | module.exports = url => {
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| 4 | if (typeof url !== 'string') {
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| 5 | throw new TypeError(`Expected a \`string\`, got \`${typeof url}\``);
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| 6 | }
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| 7 |
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| 8 | // Don't match Windows paths `c:\`
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| 9 | if (/^[a-zA-Z]:\\/.test(url)) {
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| 10 | return false;
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| 11 | }
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| 12 |
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| 13 | // Scheme: https://tools.ietf.org/html/rfc3986#section-3.1
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| 14 | // Absolute URL: https://tools.ietf.org/html/rfc3986#section-4.3
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| 15 | return /^[a-zA-Z][a-zA-Z\d+\-.]*:/.test(url);
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| 16 | };
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