@adobe/adobe-client-data-layer/src/utils/dataMatchesContraints.js

Adobe Client Data Layer

/*
Copyright 2020 Adobe. All rights reserved.
This file is licensed to you under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License. You may obtain a copy
of the License at http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under
the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
OF ANY KIND, either express or implied. See the License for the specific language
governing permissions and limitations under the License.
*/

const _ = require('../../custom-lodash');
const find = _.find;
const includes = _.includes;

module.exports = function(data, constraints) {
  // Go through all constraints and find one which does not match the data
  const foundObjection = find(Object.keys(constraints), key => {
    const type = constraints[key].type;
    const supportedValues = key && constraints[key].values;
    const mandatory = !constraints[key].optional;
    const value = data[key];
    const valueType = typeof value;
    const incorrectType = type && valueType !== type;
    const noMatchForSupportedValues = supportedValues && !includes(supportedValues, value);
    if (mandatory) {
      return !value || incorrectType || noMatchForSupportedValues;
    } else {
      return value && (incorrectType || noMatchForSupportedValues);
    }
  });
  // If no objections found then data matches contraints
  return typeof foundObjection === 'undefined';
};