@obliczeniowo/elementary/fesm2022/obliczeniowo-elementary-xlsx.mjs

Library made in Angular version 20

import * as XLSX from 'xlsx';

/**
 * Save array to xlsx file
 * @param arr array to export
 * @param name file name
 * @param sheet base excel sheet name (will create multiple of sheet's if maxRow is less then number of array rows)
 * @param properties XLSX properties and maxRows, headers properties
 */
function arrayToXlsx(arr, name, sheet, properties, bookType) {
    arr = [...arr];
    const maxRows = 1048576;
    const minRows = 10;
    if (properties?.maxRows) {
        if (properties.maxRows < minRows) {
            console.warn(`Minimum value for maxRows is 10, but ${properties.maxRows} was given. Override to ${minRows}`);
            properties.maxRows = minRows;
        }
        else if (properties.maxRows > maxRows) {
            console.warn(`Maximum value for maxRows is ${maxRows}, but ${properties.maxRows} was given. Override to ${maxRows}`);
            properties.maxRows = maxRows;
        }
    }
    const splitted = [];
    const max = properties?.maxRows || maxRows;
    while (arr.length > (properties?.headers && max - 1 || max)) {
        if (properties?.headers) {
            splitted.push([properties.headers, ...arr.splice(0, max - 1)]);
        }
        else {
            splitted.push(arr.splice(0, max));
        }
    }
    if (arr.length) {
        splitted.push([properties?.headers || [], ...arr]);
    }
    const wb = XLSX.utils.book_new();
    splitted.forEach((t, index) => {
        const table = document.createElement('table');
        t.forEach((row, index) => {
            const tRow = document.createElement('tr');
            row.forEach(ceil => {
                const tCeil = document.createElement(properties?.headers && index === 0 && 'th' || 'td');
                tCeil.textContent = ceil.toString();
                tRow.appendChild(tCeil);
            });
            table.appendChild(tRow);
        });
        const ws = XLSX.utils.table_to_sheet(table);
        XLSX.utils.book_append_sheet(wb, ws, index === 0 && sheet || `${sheet} ${index}`);
    });
    XLSX.writeFile(wb, name, {
        Props: properties,
        bookType: bookType || 'xlsx'
    });
}

/**
 * Generated bundle index. Do not edit.
 */

export { arrayToXlsx };
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