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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getNpmProxy = exports.isYarnOfflineAsync = void 0;
const child_process_1 = require("child_process");
const dns_1 = __importDefault(require("dns"));
const url_1 = __importDefault(require("url"));
/** Determine if you should use yarn offline or not */
async function isYarnOfflineAsync() {
if (await isUrlAvailableAsync('registry.yarnpkg.com')) {
return false;
}
const proxy = getNpmProxy();
if (!proxy) {
return true;
}
const { hostname } = url_1.default.parse(proxy);
if (!hostname) {
return true;
}
return !(await isUrlAvailableAsync(hostname));
}
exports.isYarnOfflineAsync = isYarnOfflineAsync;
/** Exposed for testing */
function getNpmProxy() {
if (process.env.https_proxy) {
return process.env.https_proxy ?? null;
}
try {
const httpsProxy = (0, child_process_1.execSync)('npm config get https-proxy').toString().trim();
return httpsProxy !== 'null' ? httpsProxy : null;
}
catch {
return null;
}
}
exports.getNpmProxy = getNpmProxy;
function isUrlAvailableAsync(url) {
return new Promise((resolve) => {
dns_1.default.lookup(url, (err) => {
resolve(!err);
});
});
}
//# sourceMappingURL=yarn.js.map