Function mkdirp

lib/util/fs.js:598–636

(fs, p, callback)

 * @returns {void}
 */
const mkdirp = (fs, p, callback) => {
	fs.mkdir(p, (err) => {
		if (err) {
			if (err.code === "ENOENT") {
				const dir = dirname(fs, p);
				if (dir === p) {
					callback(err);
					return;
				}
				mkdirp(fs, dir, (err) => {
					if (err) {
						callback(err);
						return;
					}
					fs.mkdir(p, (err) => {
						if (err) {
							// EEXIST: parent already created it; EISDIR: memfs/BSD for an
							// existing dir such as the root "/" (#10544)
							if (err.code === "EEXIST" || err.code === "EISDIR") {
								callback();
								return;
							}
							callback(err);
							return;
						}
						callback();
					});
				});
				return;
			} else if (err.code === "EEXIST" || err.code === "EISDIR") {
				callback();
				return;
			}
			callback(err);
			return;
		}
		callback();
	});
};

/**
 * Processes the provided f.