isLatLong.js 1.3 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = isLatLong;
  6. var _assertString = _interopRequireDefault(require("./util/assertString"));
  7. var _merge = _interopRequireDefault(require("./util/merge"));
  8. var _includesString = _interopRequireDefault(require("./util/includesString"));
  9. function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
  10. var lat = /^\(?[+-]?(90(\.0+)?|[1-8]?\d(\.\d+)?)$/;
  11. var long = /^\s?[+-]?(180(\.0+)?|1[0-7]\d(\.\d+)?|\d{1,2}(\.\d+)?)\)?$/;
  12. var latDMS = /^(([1-8]?\d)\D+([1-5]?\d|60)\D+([1-5]?\d|60)(\.\d+)?|90\D+0\D+0)\D+[NSns]?$/i;
  13. var longDMS = /^\s*([1-7]?\d{1,2}\D+([1-5]?\d|60)\D+([1-5]?\d|60)(\.\d+)?|180\D+0\D+0)\D+[EWew]?$/i;
  14. var defaultLatLongOptions = {
  15. checkDMS: false
  16. };
  17. function isLatLong(str, options) {
  18. (0, _assertString.default)(str);
  19. options = (0, _merge.default)(options, defaultLatLongOptions);
  20. if (!(0, _includesString.default)(str, ',')) return false;
  21. var pair = str.split(',');
  22. if (pair[0].startsWith('(') && !pair[1].endsWith(')') || pair[1].endsWith(')') && !pair[0].startsWith('(')) return false;
  23. if (options.checkDMS) {
  24. return latDMS.test(pair[0]) && longDMS.test(pair[1]);
  25. }
  26. return lat.test(pair[0]) && long.test(pair[1]);
  27. }
  28. module.exports = exports.default;
  29. module.exports.default = exports.default;