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