lighthouse/auditor.js

> Stops you crashing into the rocks; lights the way

/**
 * @license
 * Copyright 2016 Google Inc. All rights reserved.
 *
 * Licensed 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 CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';

class Auditor {

  static _flattenArtifacts(artifacts) {
    return artifacts.reduce(function(prev, curr) {
      return Object.assign(prev, curr);
    }, {});
  }

  static audit(artifacts, audits) {
    const flattenedArtifacts = Auditor._flattenArtifacts(artifacts);
    return Promise.all(audits.map(audit => audit.audit(flattenedArtifacts)));
  }
}

module.exports = Auditor;