refactor(types): more fixes

runtime/lua/vim/fs.lua

@@ -152,25 +152,25 @@ end
 ---
 --- Path to begin searching from. If
 --- omitted, the |current-directory| is used.
---- @field path string
+--- @field path? string
 ---
 --- Search upward through parent directories.
 --- Otherwise, search through child directories (recursively).
 --- (default: `false`)
---- @field upward boolean
+--- @field upward? boolean
 ---
 --- Stop searching when this directory is reached.
 --- The directory itself is not searched.
---- @field stop string
+--- @field stop? string
 ---
 --- Find only items of the given type.
 --- If omitted, all items that match {names} are included.
---- @field type string
+--- @field type? string
 ---
 --- Stop the search after finding this many matches.
 --- Use `math.huge` to place no limit on the number of matches.
 --- (default: `1`)
---- @field limit number
+--- @field limit? number
 
 --- Find files or directories (or other items as specified by `opts.type`) in the given path.
 ---
@@ -229,7 +229,7 @@ function M.find(names, opts)
     names = { names }
   end
 
-  local path = opts.path or vim.uv.cwd()
+  local path = opts.path or assert(vim.uv.cwd())
   local stop = opts.stop
   local limit = opts.limit or 1