only ignore used doced param in meta

Author: sumneko

script/core/diagnostics/unused-local.lua

@@ -2,6 +2,7 @@ local files  = require 'files'
 local guide  = require 'parser.guide'
 local define = require 'proto.define'
 local lang   = require 'language'
+local vm     = require 'vm.vm'
 
 local function hasGet(loc)
     if not loc.ref then
@@ -96,7 +97,7 @@ return function (uri, callback)
         if isDocClass(source) then
             return
         end
-        if isDocParam(source) then
+        if vm.isMetaFile(uri) and isDocParam(source) then
             return
         end
         local data = hasGet(source)

test/diagnostics/init.lua

@@ -974,6 +974,14 @@ end
 ]]
 
 TEST [[
+---@param a number
+return function (<!a!>)
+end
+]]
+
+TEST [[
+---@meta
+
 ---@param a number
 return function (a)
 end
@@ -1154,6 +1162,7 @@ TEST [[
 local emit = {}
 ]]
 
+config.get 'Lua.diagnostics.neededFileStatus' ['unused-local'] = 'None'
 TEST [[
 ---@param table     table
 ---@param metatable table
@@ -1292,6 +1301,8 @@ trim('str', 'left')
 trim('str', nil)
 ]]
 
+config.get 'Lua.diagnostics.neededFileStatus' ['unused-local'] = 'Any'
+
 ---不完整的函数参数定义，会跳过检查
 TEST [[
 ---@param mode string