# all files / lighthouse-core/module/ index.js

100% Statements 20/20
100% Branches 10/10
100% Functions 1/1
100% Lines 20/20
1 statement, 1 branch Ignored

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60

    2×
    2×
    2×
    2×
    2×

    2×
    1×

    1×
    6×
    6×
    2×

    4×

    4×
    2×

    4×

    4×

    4×
    1×

    4×

    1×
     /**
     * @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';

    const semver = require('semver');
    const Runner = require('../runner');
    const log = require('../lib/log.js');
    const ChromeProtocol = require('../driver/drivers/cri.js');
    const defaultConfig = require('../config/default.json');

    // node 5.x required due to use of ES2015 features
    if (semver.lt(process.version, '5.0.0')) {
      throw new Error('Lighthouse requires node version 5.0 or newer');
    }

    module.exports = function(url, flags, config) {
      return new Promise((resolve, reject) => {
        if (!url) {
          return reject(new Error('Lighthouse requires a URL'));
        }
        flags = flags || {};

        // Override the default config with any user config.
        if (!config) {
          config = defaultConfig;
        }

        const driver = new ChromeProtocol();

        // set logging preferences, assume quiet
        log.level = 'error';

        // There's little point in testing the logging level, so skip.
        /* istanbul ignore if */
        Iif (flags.logLevel) {
          log.level = flags.logLevel;
        }

        // kick off a lighthouse run
        resolve(Runner.run(driver, {url, flags, config}));
      });
    };

    module.exports.getAuditList = Runner.getAuditList;