feat: add support for textDocument/linkedEditingRange

Author: mehalter

lua/astrolsp/config.lua

@@ -31,6 +31,7 @@
 ---@class AstroLSPFeatureOpts
 ---@field codelens boolean? enable/disable codelens refresh on start (boolean; default = true)
 ---@field inlay_hints boolean? enable/disable inlay hints on start (boolean; default = false)
+---@field linked_editing_range boolean? enable/disable linked editing range (boolean; default = false)
 ---@field semantic_tokens boolean? enable/disable semantic token highlighting (boolean; default = true)
 ---@field signature_help boolean? enable/disable automatic signature help (boolean; default = false)
 
@@ -289,6 +290,7 @@ local M = {
   features = {
     codelens = true,
     inlay_hints = false,
+    linked_editing_range = false,
     semantic_tokens = true,
     signature_help = false,
   },

lua/astrolsp/init.lua

@@ -286,6 +286,9 @@ function M.setup(opts)
   vim.lsp.inlay_hint.enable(M.config.features.inlay_hints ~= false)
   -- TODO: remove check when dropping support for Neovim v0.11
   if vim.lsp.semantic_tokens.enable then vim.lsp.semantic_tokens.enable(M.config.features.semantic_tokens ~= false) end
+  if vim.lsp.linked_editing_range then
+    vim.lsp.linked_editing_range.enable(M.config.features.linked_editing_range ~= false)
+  end
 
   -- Set up tracking of signature help trigger characters
   local augroup = vim.api.nvim_create_augroup("track_signature_help_triggers", { clear = true })