csv_parse.js

const fs = require('fs');

function parseCSVLine(line) {
    const chars = line.split('');
    const result = [];
    let current = '';
    let inQuotes = false;
    const processChar = (char) => {
        const isQuote = char === '"';
        const isComma = char === ',';
        const shouldSplit = isComma && !inQuotes;
        inQuotes = isQuote ? !inQuotes : inQuotes;
        shouldSplit && (result.push(current.trim()), current = '');
        !shouldSplit && (current += char);
    };
    chars.forEach(processChar);
    result.push(current.trim());
    return result.map(field => 
        field.replace(/^"(.*)"$/, '$1').replace(/""/g, '"')
    );
}

const filePath = '2.csv';
const content = fs.readFileSync(filePath, 'utf-8');
const lines = content.trim().split('\n').filter(line => line.trim());
const headers = parseCSVLine(lines[0]);
const output = lines.slice(1).map(row => {
    const values = parseCSVLine(row);
    return headers.reduce((obj, header, idx) => {
        obj[header] = values[idx] || '';
        return obj;
    }, {});
});

console.log(output);