craft-ai/lib/parse.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = parse;

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

var _errors = require('./errors');

var _semver = require('semver');

var _semver2 = _interopRequireDefault(_semver);

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

function parse(input) {
  var json = _lodash2.default.isObject(input) ? input : JSON.parse(input);
  if (!_lodash2.default.isObject(json) || _lodash2.default.isArray(input)) {
    throw new _errors.CraftAiDecisionError('Invalid decision tree format, the given json is not an object.');
  }
  if (_lodash2.default.isUndefined(json) || _lodash2.default.isUndefined(json._version)) {
    throw new _errors.CraftAiDecisionError('Invalid decision tree format, unable to find the version informations.');
  }

  var version = json._version;
  if (!_semver2.default.valid(version)) {
    throw new _errors.CraftAiDecisionError('Invalid decision tree format, "' + version + '" is not a valid version.');
  } else if (_semver2.default.satisfies(version, '>=1.0.0 <3.0.0')) {
    return json;
  } else {
    throw new _errors.CraftAiDecisionError('Invalid decision tree format, "' + version + '" is not a supported version.');
  }
}