validateTableData.js
1.08 KB
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
/**
* @typedef {string} cell
*/
/**
* @typedef {cell[]} validateData~column
*/
/**
* @param {column[]} rows
* @returns {undefined}
*/
exports.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) {
if (/[\u0001-\u001A]/.test(cell)) {
throw new Error('Table data must not contain control characters.');
}
}
}
};