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build(aio): upgrade lighthouse to v2.1

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This commit is contained in:
Georgios Kalpakas
2017-06-13 17:08:31 +03:00
committed by Alex Rickabaugh
parent d378a29565
commit f73a4c229c
3 changed files with 42 additions and 54 deletions
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53
aio/scripts/test-pwa-score.js
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@ -12,17 +12,13 @@
// Imports
const lighthouse = require('lighthouse');
const ChromeLauncher = require('lighthouse/lighthouse-cli/chrome-launcher').ChromeLauncher;
const Printer = require('lighthouse/lighthouse-cli/printer');
const config = require('lighthouse/lighthouse-core/config/default.json');
const chromeLauncher = require('lighthouse/chrome-launcher/chrome-launcher');
const printer = require('lighthouse/lighthouse-cli/printer');
const config = require('lighthouse/lighthouse-core/config/default.js');
// Constants
const VIEWER_URL = 'https://googlechrome.github.io/lighthouse/viewer/';
// Work-around traceviewer-js bug.
global.atob = str => new Buffer(str, 'base64').toString('binary');
global.btoa = str => new Buffer(str, 'binary').toString('base64');
// Specify the path to Chrome on Travis
if (process.env.TRAVIS) {
process.env.LIGHTHOUSE_CHROMIUM_PATH = process.env.CHROME_BIN;
@ -39,7 +35,7 @@ function _main(args) {
console.log(`Running PWA audit for '${url}'...`);
if (isOnHttp) {
ignoreHttpsAudits(config.aggregations);
ignoreHttpsAudits(config);
}
launchChromeAndRunLighthouse(url, {}, config).
@ -58,31 +54,29 @@ function evaluateScore(expectedScore, actualScore) {
}
}
function ignoreHttpsAudits(aggregations) {
function ignoreHttpsAudits(config) {
const httpsAudits = [
'redirects-http'
];
console.info(`Ignoring HTTPS-related audits (${httpsAudits.join(', ')})...`);
aggregations.forEach(aggregation =>
aggregation.items.forEach(item =>
httpsAudits.map(key => item.audits[key]).forEach(audit =>
// Ugly hack to ignore HTTPS-related audits (i.e. simulate them passing).
// Only meant for use during development.
audit && (audit.expectedValue = !audit.expectedValue))));
config.categories.pwa.audits.forEach(audit => {
if (httpsAudits.indexOf(audit.id) !== -1) {
// Ugly hack to ignore HTTPS-related audits.
// Only meant for use during development.
audit.weight = 0;
}
});
}
function launchChromeAndRunLighthouse(url, flags, config) {
const launcher = new ChromeLauncher({autoSelectChrome: true});
return launcher.run().
then(() => lighthouse(url, flags, config)).
// Avoid race condition by adding a delay before killing Chrome.
// (See also https://github.com/paulirish/pwmetrics/issues/63#issuecomment-282721068.)
then(results => new Promise(resolve => setTimeout(() => resolve(results), 1000))).
then(results => launcher.kill().then(() => results)).
catch(err => launcher.kill().then(() => { throw err; }, () => { throw err; }));
return chromeLauncher.launch().then(chrome => {
flags.port = chrome.port;
return lighthouse(url, flags, config).
then(results => chrome.kill().then(() => results)).
catch(err => chrome.kill().then(() => { throw err; }, () => { throw err; }));
});
}
function onError(err) {
@ -105,16 +99,15 @@ function parseInput(args) {
}
function processResults(results, logFile) {
let promise = Promise.resolve();
if (logFile) {
console.log(`Saving results in '${logFile}'...`);
console.log(`(LightHouse viewer: ${VIEWER_URL})`);
results.artifacts = undefined; // Avoid circular dependency errors.
Printer.write(results, 'json', logFile);
results.artifacts = undefined; // Too large for the logs.
promise = printer.write(results, 'json', logFile);
}
const scoredAggregations = results.aggregations.filter(a => a.scored);
const total = scoredAggregations.reduce((sum, a) => sum + a.total, 0);
return Math.round((total / scoredAggregations.length) * 100);
return promise.then(() => Math.round(results.score));
}