hoanghapc_nextJs/src/lib/utils.tsx

// Add tất cả sp trong data product vào 1 mảng
import { productList } from '@/data/productList';

export function getAllProducts() {
    return productList.flatMap((group: any) => group.list);
}


export function formatTextList(
    text?: string | any[],
    limit = 5
) {
    if (!text) return '';

    if (typeof window === 'undefined') {
        // server: trả raw HTML
        return Array.isArray(text)
            ? String(text[1] ?? '')
            : String(text);
    }

    const html = Array.isArray(text)
        ? String(text[1] ?? '')
        : String(text);

    if (!html) return '';

    const parser = new DOMParser();
    const doc = parser.parseFromString(html, 'text/html');

    const nodes = Array.from(
        doc.body.querySelectorAll('p, div, li')
    );

    return nodes
        .slice(0, limit)
        .map(node => `<div class="item">${node.innerHTML}</div>`)
        .join('');
}

// Format giá
export function formatPrice(amount: number) {
    return amount.toLocaleString('vi-VN');
}

// Tính % giảm giá
export function calculateDiscount(
    price: number,
    marketPrice: number
) {
    if (price <= 0 || marketPrice <= price) return 0;
    return Math.ceil(((marketPrice - price) / marketPrice) * 100);
}

// format thời gian
export function formatArticleTime(article_time: string) {
    let day: string;
    let month: string;
    let year: string;

    if (article_time.toLowerCase().includes('hôm nay')) {
        const time = new Date();
        day = (time.getDate() <= 9) ? '0' + time.getDate() : String(time.getDate());
        month = (time.getMonth() + 1 <= 9) ? '0' + (time.getMonth() + 1) : String(time.getMonth() + 1);
        year = String(time.getFullYear());
    } else {
        day = article_time.substring(0, 2);
        month = article_time.substring(3, 5);
        year = article_time.substring(6, 10);
    }
    return `${day}/${month}/${year}`;
}

//
export function normalizeKey(str: string) {
    return str
        .normalize('NFD')
        .replace(/[\u0300-\u036f]/g, '')
        .toLowerCase()
        .replace(/\s+/g, '-');
}