webdriver-manager update コマンドを実行すると、以下のエラーが発生します。
/usr/lib/node_modules/protractor/node_modules/webdriver-manager/built/lib/cmds/start.js:60
if (path.isAbsolute(options[Opt.OUT_DIR].getString())) {
^ TypeError: Object #<Object> has no method 'isAbsolute'
at Program.start [as runMethod] (/usr/lib/node_modules/protractor/node_modules/webdriver-manager/built/lib/cmds/start.js:60:18)
at Program.run (/usr/lib/node_modules/protractor/node_modules/webdriver-manager/built/lib/cli/programs.js:60:14)
at Object.<anonymous> (/usr/lib/node_modules/protractor/node_modules/webdriver-manager/built/lib/webdriver.js:25:38)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Module.require (module.js:364:17)
at require (module.js:380:17)
at Object.<anonymous> (/usr/lib/node_modules/protractor/bin/webdriver-manager:3:1)
それに対処する方法はありますか?