/** * @typedef {string} cell */ /** * @typedef {cell[]} validateData~column */ /** * @param {column[]} rows * @returns {undefined} */ export default (rows) => { if (!Array.isArray(rows)) { throw new TypeError('Table data must be an array.'); } if (rows.length === 0) { throw new Error('Table must define at least one row.'); } if (rows[0].length === 0) { throw new Error('Table must define at least one column.'); } const columnNumber = rows[0].length; for (const cells of rows) { if (!Array.isArray(cells)) { throw new TypeError('Table row data must be an array.'); } if (cells.length !== columnNumber) { throw new Error('Table must have a consistent number of cells.'); } // @todo Make an exception for newline characters. // @see https://github.com/gajus/table/issues/9 for (const cell of cells) { // eslint-disable-next-line no-control-regex if (/[\u0001-\u001A]/.test(cell)) { throw new Error('Table data must not contain control characters.'); } } } };