refactor: address emmylua diagnostics

lua/lsp/codelens/row.lua

@@ -6,9 +6,12 @@ local NS = vim.api.nvim_create_namespace("ow.lsp.codelens")
 local position = "above"
 local separator = " | "
 
+---@class ow.lsp.CodeLens : lsp.CodeLens
+---@field command lsp.Command
+
 ---@class ow.lsp.codelens.Row
 ---@field row integer
----@field lenses lsp.CodeLens[]
+---@field lenses ow.lsp.CodeLens[]
 ---@field pending integer
 local Row = {}
 Row.__index = Row
@@ -19,7 +22,7 @@ function Row.new(row)
     return setmetatable({ row = row, lenses = {}, pending = 0 }, Row)
 end
 
----@param lens lsp.CodeLens
+---@param lens ow.lsp.CodeLens
 function Row:add(lens)
     table.insert(self.lenses, lens)
 end
@@ -31,8 +34,8 @@ end
 ---@param lens? lsp.CodeLens
 function Row:resolve(lens)
     self.pending = self.pending - 1
-    if lens then
-        table.insert(self.lenses, lens)
+    if lens and lens.command then
+        self:add(lens)
     end
 end
 
@@ -58,7 +61,9 @@ function Row:render(buf)
         end
     end
 
-    local col, opts
+    ---@type vim.api.keyset.set_extmark
+    local opts
+    local col
     if position == "above" then
         local line = vim.api.nvim_buf_get_lines(
             buf,
@@ -79,7 +84,8 @@ function Row:render(buf)
             hl_mode = "combine",
         }
     else
-        col = position == "inline" and self.lenses[1].range.start.character or 0
+        local first = assert(self.lenses[1])
+        col = position == "inline" and first.range.start.character or 0
         opts = {
             virt_text = parts,
             virt_text_pos = position,
@@ -97,6 +103,11 @@ function Row:render(buf)
         { self.row, -1 },
         { details = true }
     )
+    ---@type {
+    ---  id: integer,
+    ---  col: integer,
+    ---  details: vim.api.keyset.extmark_details?
+    ---}
     local primary
     for i, mark in ipairs(marks) do
         if i == 1 then
@@ -107,7 +118,7 @@ function Row:render(buf)
     end
 
     if primary and primary.col == col and primary.details then
-        local d = primary.details --[[@as vim.api.keyset.extmark_details]]
+        local d = primary.details
         local same = opts.virt_lines
                 and vim.deep_equal(d.virt_lines, opts.virt_lines)
                 and d.virt_lines_above == opts.virt_lines_above