34 lines
1.6 KiB
JavaScript
34 lines
1.6 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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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.getBestMx = exports.getMx = void 0;
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const dns_1 = __importDefault(require("dns"));
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exports.getMx = (domain) => __awaiter(void 0, void 0, void 0, function* () {
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return new Promise(r => dns_1.default.resolveMx(domain, (err, addresses) => {
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if (err || !addresses)
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return r([]);
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r(addresses);
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}));
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});
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exports.getBestMx = (domain) => __awaiter(void 0, void 0, void 0, function* () {
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const addresses = yield exports.getMx(domain);
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let bestIndex = 0;
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for (let i = 0; i < addresses.length; i++) {
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if (addresses[i].priority < addresses[bestIndex].priority) {
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bestIndex = i;
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}
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}
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return addresses[bestIndex];
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});
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//# sourceMappingURL=dns.js.map
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