Ale: Feature request: Completion for flow

[trevordmiller]

Would be sweet if Completion - h ale-completion - worked for flow as it does for typescript. Specifically:

• g:ale_completion_enabled
• g:ale_completion_delay
• g:ale_completion_max_suggestions

p.s. thanks for adding this for typescript, it is very helpful!

[w0rp]

This issue is closely related to #1458.

I have implemented completion support for Language Server Protocol _almost_ already, using the Python language server for testing. There's just a little bit more work that needs to be done for getting it working. In the future, I'd also like to consider adding support for integrating with deoplete too, which probably does a better job of managing this kind of thing. I still want to have some basic support for completion without having to install another plugin an so on. The built-in support doesn't have to be perfect.

[w0rp]

1703 Added support for flow-language-server, and that satisfies this.