vtils/regexp/RegExpBuilder.js

一个面向业务的 JavaScript/TypeScript 实用程序库。

export var RegExpBuilder = /*#__PURE__*/function () {
  function RegExpBuilder(options) {
    this.options = options;
  }
  var _proto = RegExpBuilder.prototype;
  _proto.getBaseRegExp = function getBaseRegExp() {
    return new RegExp(this.options.baseRegExp);
  };
  _proto.build = function build(options) {
    var regExpSource = "(?:" + this.options.baseRegExp.source + ")";
    if (options != null && options.repeat) {
      regExpSource = regExpSource + "+";
    }
    if (options != null && options.exact) {
      regExpSource = "^" + regExpSource + "$";
    }
    var regExpFlags = this.options.baseRegExp.flags;
    if (options != null && options.global && this.options.baseRegExp.flags.indexOf('g') === -1) {
      regExpFlags = regExpFlags + "g";
    }
    var regExp = new RegExp(regExpSource, regExpFlags);
    return regExp;
  };
  return RegExpBuilder;
}();