mirror of
https://github.com/jcreek/LivingDexTracker.git
synced 2026-09-16 18:42:03 +00:00
Josh Creek
7603116369
lhci treats every LHCI_* environment variable as a command-line option, so LHCI_PRESET=mobile reached `lhci assert` as an invalid --preset and failed both jobs after the audits had run. Use LIGHTHOUSE_FORM_FACTOR instead. Also upload the reports: upload-artifact v4+ skips dot-directories such as .lighthouseci unless include-hidden-files is set.
56 lines
2.5 KiB
JavaScript
56 lines
2.5 KiB
JavaScript
// Lighthouse CI: `npm run test:lighthouse` builds the Node adapter output, serves it and audits the
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// public pages. Any category below 90 fails the run (and so the PR).
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// Set LIGHTHOUSE_FORM_FACTOR=desktop to audit with the desktop profile; the default is Lighthouse's
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// mobile profile (slow 4G + CPU throttling), which is the stricter of the two. The variable must not
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// start with LHCI_: lhci treats those as CLI flags, so LHCI_PRESET was passed to `lhci assert` as
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// an invalid `--preset`.
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const preset = process.env.LIGHTHOUSE_FORM_FACTOR === 'desktop' ? 'desktop' : undefined;
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module.exports = {
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ci: {
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collect: {
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startServerCommand: 'npm run preview-node',
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startServerReadyPattern: 'Listening on',
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url: [
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'http://localhost:4173/',
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'http://localhost:4173/signin',
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'http://localhost:4173/welcome',
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'http://localhost:4173/offline-guide',
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'http://localhost:4173/forgot-password'
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],
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// Median of three runs smooths out noise from shared CI runners.
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numberOfRuns: 3,
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settings: {
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...(preset ? { preset } : {}),
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chromeFlags: '--no-sandbox --headless=new'
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}
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},
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assert: {
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assertions: {
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'categories:performance': ['error', { minScore: 0.9 }],
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'categories:accessibility': ['error', { minScore: 0.9 }],
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'categories:best-practices': ['error', { minScore: 0.9 }],
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'categories:seo': ['error', { minScore: 0.9 }],
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// The app compresses its own responses (see src/lib/server/compression.ts and the
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// precompressed build), so nothing may be served uncompressed.
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'uses-text-compression': ['error', { minScore: 1 }],
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// Regression budgets, set a little above what every audited page measured in September
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// 2026 (mobile profile: LCP 1.4-2.6 s, TBT 0 ms, CLS 0, ~100 KB script, ~14 KB CSS and
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// ~175 KB in total over the wire). A PR that makes pages meaningfully slower or heavier
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// fails here even while the category scores stay above 90. When a change legitimately
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// needs more, raise the number in the same PR so the cost is reviewed.
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'largest-contentful-paint': ['error', { maxNumericValue: 3000 }],
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'total-blocking-time': ['error', { maxNumericValue: 200 }],
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'cumulative-layout-shift': ['error', { maxNumericValue: 0.05 }],
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'resource-summary:script:size': ['error', { maxNumericValue: 115 * 1024 }],
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'resource-summary:stylesheet:size': ['error', { maxNumericValue: 20 * 1024 }],
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'resource-summary:total:size': ['error', { maxNumericValue: 220 * 1024 }]
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}
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},
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upload: {
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target: 'filesystem',
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outputDir: '.lighthouseci/reports'
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}
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}
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};
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