node_modules/eslint/lib/shared/text-table.js

/**
 * @fileoverview Optimized version of the `text-table` npm module to improve performance by replacing inefficient regex-based
 * whitespace trimming with a modern built-in method.
 *
 * This modification addresses a performance issue reported in https://github.com/eslint/eslint/issues/18709
 *
 * The `text-table` module is published under the MIT License. For the original source, refer to:
 * https://www.npmjs.com/package/text-table.
 */

/*
 *
 * This software is released under the MIT license:
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

"use strict";

module.exports = function (rows_, opts) {
	const hsep = "  ";
	const align = opts.align;
	const stringLength = opts.stringLength;

	const sizes = rows_.reduce((acc, row) => {
		row.forEach((c, ix) => {
			const n = stringLength(c);

			if (!acc[ix] || n > acc[ix]) {
				acc[ix] = n;
			}
		});
		return acc;
	}, []);

	return rows_
		.map(row =>
			row
				.map((c, ix) => {
					const n = sizes[ix] - stringLength(c) || 0;
					const s = Array(Math.max(n + 1, 1)).join(" ");

					if (align[ix] === "r") {
						return s + c;
					}

					return c + s;
				})
				.join(hsep)
				.trimEnd(),
		)
		.join("\n");
};