36 lines
1018 B
JavaScript
36 lines
1018 B
JavaScript
import { execSync } from "child_process";
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import dns from "dns";
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import url from "url";
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function getProxy() {
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if (process.env.https_proxy) {
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return process.env.https_proxy;
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}
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try {
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const httpsProxy = execSync("npm config get https-proxy").toString().trim();
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return httpsProxy !== "null" ? httpsProxy : undefined;
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} catch (e) {
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return;
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}
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}
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export function getOnline() {
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return new Promise((resolve)=>{
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dns.lookup("registry.yarnpkg.com", (registryErr)=>{
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if (!registryErr) {
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return resolve(true);
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}
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const proxy = getProxy();
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if (!proxy) {
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return resolve(false);
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}
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const { hostname } = url.parse(proxy);
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if (!hostname) {
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return resolve(false);
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}
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dns.lookup(hostname, (proxyErr)=>{
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resolve(proxyErr == null);
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});
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});
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});
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}
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//# sourceMappingURL=get-online.js.map
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