isMailtoURI.js 4.8 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = isMailtoURI;
  6. var _trim = _interopRequireDefault(require("./trim"));
  7. var _isEmail = _interopRequireDefault(require("./isEmail"));
  8. var _assertString = _interopRequireDefault(require("./util/assertString"));
  9. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  10. function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
  11. function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
  12. function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  13. function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  14. function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
  15. function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
  16. function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
  17. function parseMailtoQueryString(queryString) {
  18. var allowedParams = new Set(['subject', 'body', 'cc', 'bcc']),
  19. query = {
  20. cc: '',
  21. bcc: ''
  22. };
  23. var isParseFailed = false;
  24. var queryParams = queryString.split('&');
  25. if (queryParams.length > 4) {
  26. return false;
  27. }
  28. var _iterator = _createForOfIteratorHelper(queryParams),
  29. _step;
  30. try {
  31. for (_iterator.s(); !(_step = _iterator.n()).done;) {
  32. var q = _step.value;
  33. var _q$split = q.split('='),
  34. _q$split2 = _slicedToArray(_q$split, 2),
  35. key = _q$split2[0],
  36. value = _q$split2[1]; // checked for invalid and duplicated query params
  37. if (key && !allowedParams.has(key)) {
  38. isParseFailed = true;
  39. break;
  40. }
  41. if (value && (key === 'cc' || key === 'bcc')) {
  42. query[key] = value;
  43. }
  44. if (key) {
  45. allowedParams.delete(key);
  46. }
  47. }
  48. } catch (err) {
  49. _iterator.e(err);
  50. } finally {
  51. _iterator.f();
  52. }
  53. return isParseFailed ? false : query;
  54. }
  55. function isMailtoURI(url, options) {
  56. (0, _assertString.default)(url);
  57. if (url.indexOf('mailto:') !== 0) {
  58. return false;
  59. }
  60. var _url$replace$split = url.replace('mailto:', '').split('?'),
  61. _url$replace$split2 = _slicedToArray(_url$replace$split, 2),
  62. _url$replace$split2$ = _url$replace$split2[0],
  63. to = _url$replace$split2$ === void 0 ? '' : _url$replace$split2$,
  64. _url$replace$split2$2 = _url$replace$split2[1],
  65. queryString = _url$replace$split2$2 === void 0 ? '' : _url$replace$split2$2;
  66. if (!to && !queryString) {
  67. return true;
  68. }
  69. var query = parseMailtoQueryString(queryString);
  70. if (!query) {
  71. return false;
  72. }
  73. return "".concat(to, ",").concat(query.cc, ",").concat(query.bcc).split(',').every(function (email) {
  74. email = (0, _trim.default)(email, ' ');
  75. if (email) {
  76. return (0, _isEmail.default)(email, options);
  77. }
  78. return true;
  79. });
  80. }
  81. module.exports = exports.default;
  82. module.exports.default = exports.default;