Function escapeHashInPathRequest

lib/util/identifier.js:504–531

(request)

 * @returns {string} request with directory `#` characters escaped
 */
const escapeHashInPathRequest = (request) => {
	if (request.length === 0) return request;
	const queryStart = request.indexOf("?");
	if (queryStart < 0) return request;
	const hashStart = request.indexOf("#");
	if (hashStart < 0 || hashStart >= queryStart) return request;
	const c0 = request.charCodeAt(0);
	const isAbsolute =
		c0 === 47 /* "/" */ || WINDOWS_ABS_PATH_REGEXP.test(request);
	let isRelative = false;
	if (!isAbsolute && c0 === 46 /* "." */) {
		const c1 = request.charCodeAt(1);
		if (c1 === 47 || c1 === 92 /* "/" or "\" */) {
			isRelative = true;
		} else if (c1 === 46 /* "." */) {
			const c2 = request.charCodeAt(2);
			if (c2 === 47 || c2 === 92) isRelative = true;
		}
	}
	if (!isAbsolute && !isRelative) return request;
	const lastSep = Math.max(
		request.lastIndexOf("/", queryStart - 1),
		request.lastIndexOf("\\", queryStart - 1)
	);
	if (hashStart >= lastSep) return request;
	const pathPart = request.slice(0, lastSep);
	return pathPart.replace(HASH_REGEXP, "\0#") + request.slice(lastSep);
};

module.exports.ABSOLUTE_PATH_REGEXP = ABSOLUTE_PATH_REGEXP;
module.exports.WINDOWS_ABS_PATH_REGEXP = WINDOWS_ABS_PATH_REGEXP;