node webdriver-manager update throwing syantax error

[JoeDevi]

basedir=$(dirname "$(echo "$0" | sed -e 's,,/,g')")
^^^^^^^

SyntaxError: missing ) after argument list
at exports.runInThisContext (vm.js:53:16)
at Module._compile (module.js:373:25)
at Object.Module._extensions..js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Function.Module.runMain (module.js:441:10)
at startup (node.js:139:18)
at node.js:968:3

Did not see any syntax error infact in webdriver-manager file!

[ThomasStubbe]

Same problem, windows-specific

[iamtheddrman]

Running into the same problem. More than a year, but no response or workaround?