vscode does not list server-provided completion items.

[NeOzay]

How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

Which OS are you using?

Windows

What is the issue affecting?

Completion

Expected Behaviour

vscode displays the enum

Actual Behaviour

vscode shows no completion available, despite server response.

Reproduction steps

---@alias Option string | "AAA" | "BBB" | "CCC"
---@param x Option[]
local function f(x)
end

f({"|"}) <- trigger completion

Additional Notes

No response

Log File

No response

[tomlau10]

Strange enough, if we write f({[1] = <trigger completion>}), then it works as expected 😕

[sumneko]

VSCode will perform a secondary filter based on the submitted text and the text near the cursor to reject obviously incorrect items.
I will check to see if I fell into a trap.