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misc(build): create error-y LHR for the deploy #9283

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merged 11 commits into from
Jun 29, 2019
Merged

misc(build): create error-y LHR for the deploy #9283

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efd41c9
misc(build): create error-y LHR for the deploy
paulirish Jun 25, 2019
10d1e03
add runwarning
paulirish Jun 26, 2019
f36c343
Update lighthouse-core/scripts/build-report-for-autodeployment.js
paulirish Jun 26, 2019
fbf2c9f
add in audit warnings, too
paulirish Jun 26, 2019
9245c3e
less obj.assign for stronger typing
paulirish Jun 26, 2019
3bc962f
some feedback
paulirish Jun 26, 2019
1e28415
cast the driver instead
paulirish Jun 27, 2019
68f6736
lint
paulirish Jun 27, 2019
de55da5
Merge branch 'master' into deployvariant-error
paulirish Jun 27, 2019
aa1b39b
drop other cast
paulirish Jun 27, 2019
76920df
feedback
paulirish Jun 28, 2019
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cast the driver instead
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@paulirish
paulirish committed Jun 27, 2019
commit 1e284151ec68767570c8d293913f7596a80e2d54
12 changes: 6 additions & 6 deletions lighthouse-core/scripts/build-report-for-autodeployment.js
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Original file line number Diff line number Diff line change
Expand Up @@ -66,26 +66,26 @@ function addPluginCategory(lhr) {
}

/**
* Generate an LHR with errors for the renderer to display
* We'll write an "empty" artifacts file to disk, only to use it in auditMode
* Generate an LHR with errors for the renderer to display.
* We'll write an "empty" artifacts file to disk, only to use it in auditMode.
* @return {Promise<LH.Result>}
*/
async function generateErrorLHR() {
/** @typedef {import('../gather/driver.js')} Driver */
const url = 'http://fakeurl.com';
const options = {
requestedUrl: url,
settings: defaultSettings,
driver: {
driver: /** @type {Driver} */ ( /** @type {unknown} */ ({
getBrowserVersion: () => ({userAgent: 'Mozilla/5.0 ErrorUserAgent Chrome/66'}),
},
})),
};
// @ts-ignore driver isn't mocked out completely
const artifacts = await GatherRunner.initializeBaseArtifacts(options);
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One downside here is that ts-ignore is going to make this invisible to any breaking changes made to initializeBaseArtifacts, and since it's an internal method that could pretty easily happen
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how about throwing a ts-ignore/cast on the driver object instead?
// Add in a global runWarning
artifacts.LighthouseRunWarnings.push(`Something went wrong with recording the trace over your
page load. Please run Lighthouse again. (NO_FCP)`);
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@brendankenny brendankenny Jun 27, 2019 •
edited
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What do you think about checking in error artifacts? If the pageLoadError-defaultPass trace and devtoolsLog are deleted, they should be quite small.

could just replace all of the above with

/** @type {LH.BaseArtifacts} */
const artifacts = {
  fetchTime: '2019-06-26T23:56:58.381Z',
  LighthouseRunWarnings: [
    `Something went wrong with recording the trace over your page load. Please run Lighthouse again. (NO_FCP)`, // eslint-disable-line max-len
  ],
  TestedAsMobileDevice: true,
  HostUserAgent: 'Mozilla/5.0 ErrorUserAgent Chrome/66',
  NetworkUserAgent: 'Mozilla/5.0 ErrorUserAgent Chrome/66',
  BenchmarkIndex: 1000,
  WebAppManifest: null,
  Stacks: [],
  settings: defaultSettings,
  URL: {
    requestedUrl: 'http://fakeurl.com',
    finalUrl: 'http://fakeurl.com',
  },
  Timing: [],
  PageLoadError: null,
  devtoolsLogs: {},
  traces: {},
};

and then continue as below. Only a little bit longer and the type assertion keeps everything in sync.

// Save artifacts to disk then run `lighthouse -G` with them
// Save artifacts to disk then run `lighthouse -G` with them.
const TMP = `${DIST}/.tmp/`;
mkdirp(TMP);
fs.writeFileSync(`${TMP}/artifacts.json`, JSON.stringify(artifacts), 'utf-8');
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