dnsResolve.js 1.5 KB

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  1. "use strict";
  2. var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
  3. function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
  4. return new (P || (P = Promise))(function (resolve, reject) {
  5. function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
  6. function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
  7. function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
  8. step((generator = generator.apply(thisArg, _arguments || [])).next());
  9. });
  10. };
  11. Object.defineProperty(exports, "__esModule", { value: true });
  12. const util_1 = require("./util");
  13. /**
  14. * Resolves the given DNS hostname into an IP address, and returns it in the dot
  15. * separated format as a string.
  16. *
  17. * Example:
  18. *
  19. * ``` js
  20. * dnsResolve("home.netscape.com")
  21. * // returns the string "198.95.249.79".
  22. * ```
  23. *
  24. * @param {String} host hostname to resolve
  25. * @return {String} resolved IP address
  26. */
  27. function dnsResolve(host) {
  28. return __awaiter(this, void 0, void 0, function* () {
  29. const family = 4;
  30. try {
  31. const r = yield (0, util_1.dnsLookup)(host, { family });
  32. if (typeof r === 'string') {
  33. return r;
  34. }
  35. }
  36. catch (err) {
  37. // @ignore
  38. }
  39. return null;
  40. });
  41. }
  42. exports.default = dnsResolve;
  43. //# sourceMappingURL=dnsResolve.js.map