| 1 |
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| 2 | 'use strict';
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| 3 | const arrify = require('arrify');
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| 4 | const pAny = require('p-any');
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| 5 | const prependHttp = require('prepend-http');
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| 6 | const URL = require('url-parse');
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| 7 |
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| 8 | module.exports = async hosts => {
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| 9 | return pAny(arrify(hosts).map(url => {
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| 10 | return new Promise(resolve => {
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| 11 | let {hostname, protocol = '', port} = new URL(prependHttp(url));
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| 12 | port = port ? `:${port}` : '';
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| 13 |
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| 14 | const image = new Image();
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| 15 | image.addEventListener('load', () => resolve(true));
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| 16 | image.addEventListener('error', () => resolve(false));
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| 17 | image.src = `${protocol}//${hostname}${port}/favicon.ico?${Date.now()}`;
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| 18 | });
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| 19 | }));
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| 20 | };
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