deep-email-validator-extended
Version:
Validates emails based on regex, common typos, disposable email blacklists, DNS records and SMTP server response.
47 lines • 2.08 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getBestMx = exports.getMx = void 0;
const dns_1 = __importDefault(require("dns"));
const getMx = (domain, timeout = 200) => __awaiter(void 0, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
return dns_1.default.resolveMx(domain, (err, addresses) => {
if (!err) {
return resolve(addresses !== null && addresses !== void 0 ? addresses : []);
}
if (err) {
return reject(err);
}
setTimeout(() => reject(new Error(`Timeout exceeded ${timeout}`)), timeout);
});
});
});
exports.getMx = getMx;
const getBestMx = (domain, timeout = 200) => __awaiter(void 0, void 0, void 0, function* () {
return exports.getMx(domain, timeout)
.then((addresses) => {
let bestIndex = 0;
for (let i = 0; i < addresses.length; i++) {
if (addresses[i].priority < addresses[bestIndex].priority) {
bestIndex = i;
}
}
return addresses[bestIndex];
})
.catch((e) => {
return undefined;
});
});
exports.getBestMx = getBestMx;
//# sourceMappingURL=dns.js.map