tenebrous-dicebot/api/node_modules/is-absolute-url/index.js

17 lines
413 B
JavaScript

'use strict';
module.exports = url => {
if (typeof url !== 'string') {
throw new TypeError(`Expected a \`string\`, got \`${typeof url}\``);
}
// Don't match Windows paths `c:\`
if (/^[a-zA-Z]:\\/.test(url)) {
return false;
}
// Scheme: https://tools.ietf.org/html/rfc3986#section-3.1
// Absolute URL: https://tools.ietf.org/html/rfc3986#section-4.3
return /^[a-zA-Z][a-zA-Z\d+\-.]*:/.test(url);
};