libphonenumber-js/es6/findNumbers/RegExpCache.js

A simpler (and smaller) rewrite of Google Android's libphonenumber library in javascript

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import LRUCache from './LRUCache.js';

// A cache for frequently used country-specific regular expressions. Set to 32 to cover ~2-3
// countries being used for the same doc with ~10 patterns for each country. Some pages will have
// a lot more countries in use, but typically fewer numbers for each so expanding the cache for
// that use-case won't have a lot of benefit.
var RegExpCache = /*#__PURE__*/function () {
  function RegExpCache(size) {
    _classCallCheck(this, RegExpCache);
    this.cache = new LRUCache(size);
  }
  return _createClass(RegExpCache, [{
    key: "getPatternForRegExp",
    value: function getPatternForRegExp(pattern) {
      var regExp = this.cache.get(pattern);
      if (!regExp) {
        regExp = new RegExp('^' + pattern);
        this.cache.put(pattern, regExp);
      }
      return regExp;
    }
  }]);
}();
export { RegExpCache as default };
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