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Copy pathreport.ts
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57 lines (49 loc) · 1.77 KB
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import * as fs from 'node:fs';
import * as path from 'node:path';
// De interface die we verwachten van de crawler
export interface ExtractedPageData {
url: string;
h1: string;
first_paragraph: string;
outgoing_links: string[];
image_urls: string[];
}
// Helper functie uit de opdracht om karakters correct te escapen voor Excel/CSV
function csvEscape(field: string): string {
const str = field ?? '';
const needsQuoting = /[",\n\r]/.test(str); // Check op komma, quote of enter
const escaped = str.replace(/"/g, '""'); // Dubbele quotes escapen
return needsQuoting ? `"${escaped}"` : escaped;
}
export function writeCSVReport(
pageData: Record<string, ExtractedPageData>,
filename = 'report.csv',
): void {
const headers = ['page_url', 'h1', 'first_paragraph', 'outgoing_link_urls', 'image_urls'];
// Begin met de header rij
const rows: string[] = [headers.join(',')];
// Loop door alle data heen
for (const page of Object.values(pageData)) {
// Data voorbereiden
const rowData = [
page.url,
page.h1,
page.first_paragraph,
page.outgoing_links.join(';'), // Lijsten scheiden met ;
page.image_urls.join(';'), // Lijsten scheiden met ;
];
// Elk veld escapen en samenvoegen met komma's
const csvRow = rowData.map(csvEscape).join(',');
rows.push(csvRow);
}
// Alles samenvoegen met nieuwe regels
const csvContent = rows.join('\n');
// Bestandspad bepalen en schrijven
const filePath = path.resolve(process.cwd(), filename);
try {
fs.writeFileSync(filePath, csvContent);
console.log(`Report written to ${filePath}`);
} catch (err) {
console.error(`Error writing report: ${err}`);
}
}