Use type information when ranking/sorting code completion items

typedef X FunctionTypeY(
  Z z,
  A a,
  B b,
  C c,
);

Then trying to call said function type instances later with

y([cursor]

Doesn’t seem to autocomplete with any instances of z in scope automatically.

[bwilkerson]

I don’t remember; I’d need to go look at the implementation or set up a test case. I know it’s something we’ve talked about before, I just don’t know whether we’ve found the time to make it happen. But I absolutely agree that server ought to include type information in the ordering algorithm.

[DanTup]

There’s probably not anything to do in the extension here - the ranking is done by the server initially and then overriden by VS Code once you start typing (since it’s filtered re-ranked client-side).

I believe there have been improvements made to the ranking recently that may have improved this, but if not it’s worth filing suggestions/issue at https://github.com/dart-lang/sdk. With the move to LSP, the little client-side code we do have for completion will disappear (and instead exist inside the LSP interface in the analysis server), and VS Code and the server will talk directly.