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update packages & add lighthouse test to CI & lint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| module.exports = { | ||
| modulePathIgnorePatterns: ['<rootDir>/.cache', '<rootDir>/node_modules'], | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| const lighthouse = require('lighthouse') | ||
| const chromeLauncher = require('chrome-launcher') | ||
| const Table = require('cli-table') | ||
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| const table = new Table() | ||
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| const output = scores => { | ||
| Object.keys(scores).forEach(category => { | ||
| table.push([category, Math.round(scores[category] * 100)]) | ||
| }) | ||
| return table.toString() | ||
| } | ||
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| const launchChromeAndRunLighthouse = async (url, opts = {}, config = null) => { | ||
| const chrome = await chromeLauncher.launch({ chromeFlags: opts.chromeFlags }) | ||
| opts.port = chrome.port | ||
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| const results = await lighthouse(url, opts, config) | ||
| await chrome.kill() | ||
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| return results | ||
| } | ||
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| let scores | ||
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| beforeAll(async () => { | ||
| const { lhr } = await launchChromeAndRunLighthouse('http://localhost:9000') | ||
| scores = Object.keys(lhr.categories).reduce((merged, category) => { | ||
| merged[category] = lhr.categories[category].score | ||
| return merged | ||
| }, {}) | ||
| }, 10000) | ||
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| describe(`Lighthouse Audit`, () => { | ||
| it('Performance score above 92', () => { | ||
| expect(scores.performance).toBeGreaterThanOrEqual(0.93) | ||
| }) | ||
| it('Accessibility score above 92', () => { | ||
| expect(scores.accessibility).toBeGreaterThanOrEqual(0.93) | ||
| }) | ||
| it('Best Practices score above 92', () => { | ||
| expect(scores['best-practices']).toBeGreaterThanOrEqual(0.93) | ||
| }) | ||
| it('SEO score above 92', () => { | ||
| expect(scores.seo).toBeGreaterThanOrEqual(0.93) | ||
| }) | ||
| }) | ||
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| afterAll(() => { | ||
| console.log(output(scores)) | ||
| }) |
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