Function lstatReadlinkAbsolute

lib/util/fs.js:701–732

(fs, p, callback)

 * @returns {void}
 */
const lstatReadlinkAbsolute = (fs, p, callback) => {
	let i = 3;
	const doReadLink = () => {
		fs.readlink(p, (err, target) => {
			if (err && --i > 0) {
				// It might was just changed from symlink to file
				// we retry 2 times to catch this case before throwing the error
				return doStat();
			}
			if (err) return callback(err);
			const value = /** @type {string} */ (target).toString();
			callback(null, join(fs, dirname(fs, p), value));
		});
	};
	const doStat = () => {
		if ("lstat" in fs) {
			return /** @type {NonNullable<InputFileSystem["lstat"]>} */ (fs.lstat)(
				p,
				(err, stats) => {
					if (err) return callback(err);
					if (/** @type {IStats} */ (stats).isSymbolicLink()) {
						return doReadLink();
					}
					callback(null, stats);
				}
			);
		}
		return fs.stat(p, callback);
	};
	if ("lstat" in fs) return doStat();
	doReadLink();
};

/**
 * Checks whether this object is absolute.