quiz_loader.js

// quiz_loader.js
// Loads questions from questions.txt and provides them to the quiz app

async function loadQuestionsFromTxt(url) {
    const response = await fetch(url);
    if (!response.ok) throw new Error('Не удалось загрузить файл вопросов');
    const text = await response.text();
    const lines = text.split(/\r?\n/).filter(line => line.trim() && !line.startsWith('#'));
    const questions = [];
    function splitEscaped(str, sep) {
        let arr = [];
        let cur = '';
        let escape = false;
        for (let i = 0; i < str.length; ++i) {
            const c = str[i];
            if (escape) {
                cur += c;
                escape = false;
            } else if (c === '\\') {
                escape = true;
            } else if (c === sep) {
                arr.push(cur);
                cur = '';
            } else {
                cur += c;
            }
        }
        arr.push(cur);
        return arr;
    }
    for (const line of lines) {
        const parts = splitEscaped(line, '|');
        if (parts.length !== 3) continue;
        const question = parts[0].replace(/\\\|/g, '|');
        const variants = splitEscaped(parts[1], ';').map(v => v.replace(/\\\|/g, '|'));
        const correct = parseInt(parts[2], 10);
        if (isNaN(correct) || correct < 0 || correct >= variants.length) continue;
        questions.push({ question, variants, correct });
    }
    return questions;
}