fix #346 dont modify the cache

Author: sumneko

changelog.md

@@ -1,5 +1,8 @@
 # changelog
 
+## 1.11.2
+* `FIX` [#346](https://github.com/sumneko/lua-language-server/issues/346): dont modify the cache
+
 ## 1.11.1
 `2021-1-5`
 * `CHG` performance optimization

script/core/hover/description.lua

@@ -25,6 +25,7 @@ local function asStringInRequire(source, literal)
             result = ws.findUrisByFilePath(literal)
         end
         if result and #result > 0 then
+            local shows = {}
             for i, uri in ipairs(result) do
                 local searcher = searchers and searchers[uri]
                 uri = files.getOriginUri(uri)
@@ -34,19 +35,19 @@ local function asStringInRequire(source, literal)
                 end
                 path = path:gsub('^[/\\]*', '')
                 if vm.isMetaFile(uri) then
-                    result[i] = ('* [[meta]](%s)'):format(uri)
+                    shows[i] = ('* [[meta]](%s)'):format(uri)
                 elseif searcher then
                     searcher = searcher:sub(#rootPath + 1)
                     searcher = ws.normalize(searcher)
                     searcher = searcher:gsub('^[/\\]+', '')
-                    result[i] = ('* [%s](%s) %s'):format(path, uri, lang.script('HOVER_USE_LUA_PATH', searcher))
+                    shows[i] = ('* [%s](%s) %s'):format(path, uri, lang.script('HOVER_USE_LUA_PATH', searcher))
                 else
-                    result[i] = ('* [%s](%s)'):format(path, uri)
+                    shows[i] = ('* [%s](%s)'):format(path, uri)
                 end
             end
-            table.sort(result)
+            table.sort(shows)
             local md = markdown()
-            md:add('md', table.concat(result, '\n'))
+            md:add('md', table.concat(shows, '\n'))
             return md:string()
         end
     end