feat: prerender crawlable portfolio artifacts
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163
tests/integration/prerender.test.ts
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163
tests/integration/prerender.test.ts
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import { mkdir, mkdtemp, readFile, rm, writeFile } from 'node:fs/promises';
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import { tmpdir } from 'node:os';
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import { join, resolve } from 'node:path';
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import { pathToFileURL } from 'node:url';
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import { afterEach, describe, expect, it } from 'vitest';
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import { loadProductionInputs } from '@/content/load-production-inputs';
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import { readProductionInputsSnapshot } from '@/entry-client';
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import { render } from '@/entry-server';
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import {
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assemblePrerenderedHtml,
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assertExpectedDistInputs,
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parseExactConfigArgument,
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type ViteManifest,
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} from '../../scripts/prerender.mjs';
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const repositoryRoot = process.cwd();
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const temporaryDirectories: string[] = [];
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afterEach(async () => {
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await Promise.all(temporaryDirectories.splice(0).map((directory) => rm(directory, { recursive: true, force: true })));
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});
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const locations = {
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contentJson: pathToFileURL(resolve(repositoryRoot, 'content/public/portfolio-content.json')),
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assetManifestJson: pathToFileURL(resolve(repositoryRoot, 'content/public/asset-manifest.json')),
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preparedAssetRoot: pathToFileURL(`${resolve(repositoryRoot, 'inputs/prepared-assets')}/`),
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siteConfigJson: pathToFileURL(resolve(repositoryRoot, 'config/site.preview.json')),
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};
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const builtTemplate = `<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Portfolio</title>
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<!--portfolio-head-->
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<script type="module" crossorigin src="/assets/index-test.js"></script>
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<link rel="stylesheet" crossorigin href="/assets/index-test.css">
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</head>
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<body>
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<div id="app"></div>
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<!--portfolio-body-->
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</body>
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</html>`;
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const manifest: ViteManifest = {
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'index.html': {
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file: 'assets/index-test.js',
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src: 'index.html',
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isEntry: true,
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css: ['assets/index-test.css'],
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},
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};
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const renderRawArtifact = async () => {
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const inputs = await loadProductionInputs(locations);
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const markup = await render('/', inputs);
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const html = assemblePrerenderedHtml(builtTemplate, manifest, markup, inputs);
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return { html, inputs };
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};
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describe('raw prerendered document', () => {
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it('places complete semantic content and the inert snapshot before the executable module', async () => {
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const { html, inputs } = await renderRawArtifact();
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const document = new DOMParser().parseFromString(html, 'text/html');
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const moduleScript = document.querySelector('script[type="module"]');
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const snapshot = document.querySelector('#portfolio-inputs[type="application/json"]');
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expect(document.documentElement.lang).toBe('en');
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expect(document.title).toBe('Luca Pîslaru — System Administrator & Full-Stack Developer');
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expect(document.querySelectorAll('h1')).toHaveLength(1);
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expect(document.querySelector('h1')?.textContent).toBe('Luca Pîslaru');
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expect(document.querySelector('h1 + p')?.textContent).toBe('System Administrator & Full-Stack Developer');
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expect([...document.querySelectorAll('main > section')].map((section) => section.id)).toEqual([
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'start', 'profile', 'experience', 'infrastructure', 'selected-builds', 'additional-work', 'toolkit', 'contact',
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]);
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expect(document.body.textContent).toContain('Secure self-hosted platform and lifecycle');
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expect(document.body.textContent).toContain('Private self-hosted medication tracker');
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expect(document.body.textContent).toContain('Linux');
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expect(document.querySelector('a[href="mailto:luca.pislaru@gmail.com"]')?.textContent)
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.toBe('luca.pislaru@gmail.com');
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expect(document.querySelector('nav a[href="#infrastructure"]')).not.toBeNull();
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expect(snapshot).not.toBeNull();
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expect(moduleScript).not.toBeNull();
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expect(html.indexOf('id="portfolio-inputs"')).toBeLessThan(html.indexOf('<script type="module"'));
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expect(html.indexOf('Luca Pîslaru')).toBeLessThan(html.indexOf('<script type="module"'));
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expect(html).not.toContain('window.__PORTFOLIO_INPUTS__');
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expect(html).not.toContain('<!--portfolio-');
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expect(JSON.parse(snapshot!.textContent ?? '')).toEqual(inputs);
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expect(readProductionInputsSnapshot(document)).toEqual(inputs);
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});
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it('emits one canonical, one safe ProfilePage, and no fabricated preview image', async () => {
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const { html } = await renderRawArtifact();
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const document = new DOMParser().parseFromString(html, 'text/html');
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const jsonLdNodes = document.querySelectorAll('script[type="application/ld+json"]');
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expect(document.querySelectorAll('link[rel="canonical"]')).toHaveLength(1);
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expect(document.querySelector('link[rel="canonical"]')?.getAttribute('href')).toBe('https://portfolio.localhost/');
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expect(document.querySelectorAll('meta[property="og:image"]')).toHaveLength(0);
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expect(jsonLdNodes).toHaveLength(1);
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const jsonLd = JSON.parse(jsonLdNodes[0]!.textContent ?? '');
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expect(jsonLd['@type']).toBe('ProfilePage');
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expect(jsonLd.mainEntity.name).toBe('Luca Pîslaru');
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expect(jsonLd.mainEntity.jobTitle).toBe('System Administrator & Full-Stack Developer');
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expect((jsonLdNodes[0]!.textContent ?? '').toLowerCase()).not.toContain('</script');
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});
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it('adds deterministic entry preloads without duplicating the executable module', async () => {
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const { html } = await renderRawArtifact();
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expect(html.match(/rel="modulepreload"/gu)).toHaveLength(1);
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expect(html.match(/<script type="module"/gu)).toHaveLength(1);
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expect(html).toContain('<link rel="modulepreload" href="/assets/index-test.js" />');
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});
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});
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describe('strict prerender command line', () => {
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it('accepts exactly one explicit safe repository-relative config path', () => {
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expect(parseExactConfigArgument(['--config', 'config/site.preview.json']))
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.toBe('config/site.preview.json');
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});
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it.each([
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{ arguments_: [] },
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{ arguments_: ['--config'] },
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{ arguments_: ['--config', 'config/site.preview.json', '--config', 'config/site.preview.json'] },
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{ arguments_: ['--config', 'config/site.preview.json', '--unknown'] },
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{ arguments_: ['--config', '../site.preview.json'] },
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{ arguments_: ['--config', '/tmp/site.preview.json'] },
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{ arguments_: ['--config', 'config\\site.preview.json'] },
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])('rejects missing, duplicate, unknown, or unsafe arguments: $arguments_', ({ arguments_ }) => {
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expect(() => parseExactConfigArgument(arguments_)).toThrow(/exactly --config|safe repository-relative/i);
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});
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});
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describe('approved build template', () => {
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it('declares English and contains no executable input assignment', async () => {
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const template = await readFile(resolve(repositoryRoot, 'index.html'), 'utf8');
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expect(template).toContain('<html lang="en">');
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expect(template).not.toContain('window.__PORTFOLIO_INPUTS__');
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});
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});
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describe('deterministic staging inventory', () => {
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it.each([
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{ location: 'client/unknown.txt' },
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{ location: 'assets/unknown.txt' },
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])('rejects an unknown staged output at $location', async ({ location }) => {
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const directory = await mkdtemp(join(tmpdir(), 'portfolio-dist-'));
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temporaryDirectories.push(directory);
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await mkdir(join(directory, 'client/.vite'), { recursive: true });
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await mkdir(join(directory, 'client/assets'), { recursive: true });
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await mkdir(join(directory, 'assets'), { recursive: true });
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await writeFile(join(directory, 'client/index.html'), builtTemplate);
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await writeFile(join(directory, 'client/.vite/manifest.json'), JSON.stringify(manifest));
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await writeFile(join(directory, 'client/assets/index-test.js'), 'export {};');
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await writeFile(join(directory, 'client/assets/index-test.css'), 'body {}');
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await writeFile(join(directory, 'index.html'), builtTemplate);
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await writeFile(join(directory, 'assets/index-test.js'), 'export {};');
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await writeFile(join(directory, 'assets/index-test.css'), 'body {}');
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await writeFile(join(directory, location), 'unknown');
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await expect(assertExpectedDistInputs(directory)).rejects.toThrow(/unexpected build output/i);
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});
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});
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