mathjs/examples/node_modules/enhanced-resolve/lib/util/identifier.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Ivan Kopeykin @vankop
*/

"use strict";

const PATH_QUERY_FRAGMENT_REGEXP = /^(#?(?:\0.|[^?#\0])*)(\?(?:\0.|[^#\0])*)?(#.*)?$/;

/**
 * @param {string} identifier identifier
 * @returns {[string, string, string]|null} parsed identifier
 */
function parseIdentifier(identifier) {
	const match = PATH_QUERY_FRAGMENT_REGEXP.exec(identifier);

	if (!match) return null;

	return [
		match[1].replace(/\0(.)/g, "$1"),
		match[2] ? match[2].replace(/\0(.)/g, "$1") : "",
		match[3] || ""
	];
}

module.exports.parseIdentifier = parseIdentifier;