numenor/lib/ExpressionEvaluator.js

Customizable, safe evaluator of JavaScript-like expressions.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.ExpressionEvaluator = void 0;

var _ExpressionParser = require("./ExpressionParser");

var _ExpressionCompiler = require("./ExpressionCompiler");

var _ExpressionLexer = require("./ExpressionLexer");

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

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); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var ExpressionEvaluator =
/*#__PURE__*/
function () {
  function ExpressionEvaluator() {
    _classCallCheck(this, ExpressionEvaluator);

    _defineProperty(this, "parser", void 0);

    _defineProperty(this, "compiler", void 0);

    this.parser = new _ExpressionParser.ExpressionParser(new _ExpressionLexer.ExpressionLexer());
    this.compiler = new _ExpressionCompiler.ExpressionCompiler();
  }

  _createClass(ExpressionEvaluator, [{
    key: "compile",
    value: function compile(expression, options) {
      return this.compiler.compile(this.parser.parse(expression), options);
    }
  }, {
    key: "evaluate",
    value: function evaluate(expression, context, options) {
      return this.compile(expression, options)(context);
    }
  }]);

  return ExpressionEvaluator;
}();

exports.ExpressionEvaluator = ExpressionEvaluator;