After elixir update to @6.0.0-15 I got this error:

Elixir.ready(function () {
^

TypeError: Elixir.ready is not a function
at Object. (C:\Users\motto\Desktop\project\node_modules\laravel-elixir-vue-2\index.js:3:8)
at Module._compile (module.js:573:32)
at Object.Module._extensions..js (module.js:582:10)
at Module.load (module.js:490:32)
at tryModuleLoad (module.js:449:12)
at Function.Module._load (module.js:441:3)
at Module.require (module.js:500:17)
at require (internal/module.js:20:19)
at Object. (C:\Users\motto\Desktop\project\gulpfile.js:3:1)
at Module._compile (module.js:573:32)