fix: reimplement section luals.config in doc.json

Section luals.config was implemented in LuaLS#2562, but got lost
after a major refactoring in LuaLS#2821. This commit reimplements it.
See discussion LuaLS#2963.

Author: AndreasMatthias

changelog.md

@@ -3,6 +3,7 @@
 ## Unreleased
 <!-- Add all new changes here. They will be moved under a version at release -->
 * `FIX` incorrect argument skip pattern for `--check_out_path=`, which incorrectly skips the next argument
+* `FIX` reimplement section `luals.config` in file doc.json
 
 ## 3.13.6
 `2025-2-6`

script/cli/doc/export.lua

@@ -8,6 +8,8 @@ local getLabel = require 'core.hover.label'
 local jsonb    = require 'json-beautify'
 local util     = require 'utility'
 local markdown = require 'provider.markdown'
+local fs       = require 'bee.filesystem'
+local furi     = require 'file-uri'
 
 ---@alias doctype
 ---| 'doc.alias'
@@ -214,10 +216,6 @@ export.makeDocObject['local'] = function(source, obj, has_seen)
     obj.name = source[1]
 end
 
-export.makeDocObject['luals.config'] = function(source, obj, has_seen)
-
-end
-
 export.makeDocObject['self'] = export.makeDocObject['local']
 
 export.makeDocObject['setfield'] = export.makeDocObject['doc.class']
@@ -284,17 +282,25 @@ end
 ---@param callback fun(i, max)
 function export.makeDocs(globals, callback)
     local docs = {}
-
     for i, global in ipairs(globals) do
         table.insert(docs, export.documentObject(global))
         callback(i, #globals)
     end
-
+    docs[#docs+1] = export.getLualsConfig()
     table.sort(docs, export.sortDoc)
-
     return docs
 end
 
+function export.getLualsConfig()
+    return {
+        name = 'LuaLS',
+        type = 'luals.config',
+        DOC = fs.absolute(fs.path(DOC)):string(),
+        defines = {},
+        fields = {}
+    }
+end
+
 ---takes the table from `makeDocs`, serializes it, and exports it
 ---@async
 ---@param docs table