RegExpCache.js 1.9 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports["default"] = void 0;
  6. var _LRUCache = _interopRequireDefault(require("./LRUCache.js"));
  7. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  8. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  9. function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
  10. function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
  11. // A cache for frequently used country-specific regular expressions. Set to 32 to cover ~2-3
  12. // countries being used for the same doc with ~10 patterns for each country. Some pages will have
  13. // a lot more countries in use, but typically fewer numbers for each so expanding the cache for
  14. // that use-case won't have a lot of benefit.
  15. var RegExpCache = /*#__PURE__*/function () {
  16. function RegExpCache(size) {
  17. _classCallCheck(this, RegExpCache);
  18. this.cache = new _LRUCache["default"](size);
  19. }
  20. _createClass(RegExpCache, [{
  21. key: "getPatternForRegExp",
  22. value: function getPatternForRegExp(pattern) {
  23. var regExp = this.cache.get(pattern);
  24. if (!regExp) {
  25. regExp = new RegExp('^' + pattern);
  26. this.cache.put(pattern, regExp);
  27. }
  28. return regExp;
  29. }
  30. }]);
  31. return RegExpCache;
  32. }();
  33. exports["default"] = RegExpCache;
  34. //# sourceMappingURL=RegExpCache.js.map