@airtasker/form-schema-compiler/lib/interpreter/evaluate.js

a form schema compiler

"use strict";

exports.__esModule = true;

var _TypeHandlers;

var _const = require("../const");

var _evaluateIdentifier = require("./evaluateIdentifier");

var _evaluateIdentifier2 = _interopRequireDefault(_evaluateIdentifier);

var _evaluateProgram = require("./evaluateProgram");

var _evaluateProgram2 = _interopRequireDefault(_evaluateProgram);

var _evaluateUnaryExpression = require("./evaluateUnaryExpression");

var _evaluateUnaryExpression2 = _interopRequireDefault(_evaluateUnaryExpression);

var _evaluateAssignExpression = require("./evaluateAssignExpression");

var _evaluateAssignExpression2 = _interopRequireDefault(_evaluateAssignExpression);

var _evaluateBinaryExpression = require("./evaluateBinaryExpression");

var _evaluateBinaryExpression2 = _interopRequireDefault(_evaluateBinaryExpression);

var _evaluateCallExpression = require("./evaluateCallExpression");

var _evaluateCallExpression2 = _interopRequireDefault(_evaluateCallExpression);

var _evaluateMemberObjectExpression = require("./evaluateMemberObjectExpression");

var _evaluateMemberObjectExpression2 = _interopRequireDefault(_evaluateMemberObjectExpression);

var _evaluateObjectExpression = require("./evaluateObjectExpression");

var _evaluateObjectExpression2 = _interopRequireDefault(_evaluateObjectExpression);

var _evaluateArrayExpression = require("./evaluateArrayExpression");

var _evaluateArrayExpression2 = _interopRequireDefault(_evaluateArrayExpression);

var _evaluateTemplateLiteral = require("./evaluateTemplateLiteral");

var _evaluateTemplateLiteral2 = _interopRequireDefault(_evaluateTemplateLiteral);

var _evaluateIfStatement = require("./evaluateIfStatement");

var _evaluateIfStatement2 = _interopRequireDefault(_evaluateIfStatement);

var _evaluateEventBindingExpression = require("./evaluateEventBindingExpression");

var _evaluateEventBindingExpression2 = _interopRequireDefault(_evaluateEventBindingExpression);

var _evaluatePropertyBindingExpression = require("./evaluatePropertyBindingExpression");

var _evaluatePropertyBindingExpression2 = _interopRequireDefault(_evaluatePropertyBindingExpression);

var _utils = require("../utils");

var _Environment = require("./Environment");

var _Environment2 = _interopRequireDefault(_Environment);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

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 getValue = function getValue(_ref) {
  var value = _ref.value;
  return value;
};

var toRegExp = function toRegExp(_ref2) {
  var pattern = _ref2.pattern,
      flags = _ref2.flags;
  return new RegExp(pattern, flags);
};

var evaluateComponents = function evaluateComponents(expression, env) {
  return env.evaluateComponents(expression);
};

var TypeHandlers = (_TypeHandlers = {}, _defineProperty(_TypeHandlers, _const.TYPES.Numeric, getValue), _defineProperty(_TypeHandlers, _const.TYPES.String, getValue), _defineProperty(_TypeHandlers, _const.TYPES.Boolean, getValue), _defineProperty(_TypeHandlers, _const.TYPES.Null, getValue), _defineProperty(_TypeHandlers, _const.TYPES.Raw, getValue), _defineProperty(_TypeHandlers, _const.TYPES.RegExp, toRegExp), _defineProperty(_TypeHandlers, _const.TYPES.Identifier, _evaluateIdentifier2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.UnaryExpression, _evaluateUnaryExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.AssignExpression, _evaluateAssignExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.BinaryExpression, _evaluateBinaryExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.CallExpression, _evaluateCallExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.Components, evaluateComponents), _defineProperty(_TypeHandlers, _const.TYPES.MemberExpression, _evaluateMemberObjectExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.ObjectExpression, _evaluateObjectExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.ArrayExpression, _evaluateArrayExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.TemplateLiteral, _evaluateTemplateLiteral2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.Program, _evaluateProgram2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.BlockStatement, _evaluateProgram2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.IfStatement, _evaluateIfStatement2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.EventBinding, _evaluateEventBindingExpression2["default"]), _defineProperty(_TypeHandlers, _const.TYPES.PropertyBinding, _evaluatePropertyBindingExpression2["default"]), _TypeHandlers);
/**
 * evaluate
 * @param {*} ast
 * @param {Environment} environment
 * @returns {*}
 */

var evaluate = function evaluate(_ref3, environment) {
  var type = _ref3.type,
      ast = _objectWithoutProperties(_ref3, ["type"]);

  if ((0, _utils.hasKey)(TypeHandlers, type)) {
    return TypeHandlers[type](ast, environment, evaluate);
  }

  throw new Error("Wrong type ".concat(type, ", ").concat(JSON.stringify(_objectSpread({
    type: type
  }, ast))));
};
/**
 * evaluateWithEnvironmentCheck
 * @param {*} ast
 * @param {Environment} environment
 * @returns {*}
 */


var evaluateWithEnvironmentCheck = function evaluateWithEnvironmentCheck(ast, environment) {
  if (!(environment instanceof _Environment2["default"])) {
    throw new Error("Can't evaluate without a proper Environment instance");
  }

  return evaluate(ast, environment);
};

exports["default"] = evaluateWithEnvironmentCheck;