Replace custom highlighting with plugin RRethy/vim-illuminate

Author: denius

init.lua

@@ -546,35 +546,6 @@ require('lazy').setup({
           --  For example, in C this would take you to the header.
           map('gD', vim.lsp.buf.declaration, '[G]oto [D]eclaration')
 
-          -- The following two autocommands are used to highlight references of the
-          -- word under your cursor when your cursor rests there for a little while.
-          --    See `:help CursorHold` for information about when this is executed
-          --
-          -- When you move your cursor, the highlights will be cleared (the second autocommand).
-          local client = vim.lsp.get_client_by_id(event.data.client_id)
-          if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_documentHighlight) then
-            local highlight_augroup = vim.api.nvim_create_augroup('kickstart-lsp-highlight', { clear = false })
-            vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
-              buffer = event.buf,
-              group = highlight_augroup,
-              callback = vim.lsp.buf.document_highlight,
-            })
-
-            vim.api.nvim_create_autocmd({ 'CursorMoved', 'CursorMovedI' }, {
-              buffer = event.buf,
-              group = highlight_augroup,
-              callback = vim.lsp.buf.clear_references,
-            })
-
-            vim.api.nvim_create_autocmd('LspDetach', {
-              group = vim.api.nvim_create_augroup('kickstart-lsp-detach', { clear = true }),
-              callback = function(event2)
-                vim.lsp.buf.clear_references()
-                vim.api.nvim_clear_autocmds { group = 'kickstart-lsp-highlight', buffer = event2.buf }
-              end,
-            })
-          end
-
           -- The following code creates a keymap to toggle inlay hints in your
           -- code, if the language server you are using supports them
           --
@@ -674,6 +645,67 @@ require('lazy').setup({
     end,
   },
 
+  { -- highlight references of the word under cursor
+    'RRethy/vim-illuminate',
+    opts = {},
+    config = function()
+      require('illuminate').configure {
+        -- providers: provider used to get references in the buffer, ordered by priority
+        providers = {
+          'lsp',
+          'treesitter',
+          'regex',
+        },
+        -- delay: delay in milliseconds
+        delay = 100,
+        -- filetype_overrides: filetype specific overrides.
+        -- The keys are strings to represent the filetype while the values are tables that
+        -- supports the same keys passed to .configure except for filetypes_denylist and filetypes_allowlist
+        filetype_overrides = {},
+        -- filetypes_denylist: filetypes to not illuminate, this overrides filetypes_allowlist
+        filetypes_denylist = {
+        'dirbuf',
+          'dirvish',
+          'fugitive',
+        },
+        -- filetypes_allowlist: filetypes to illuminate, this is overridden by filetypes_denylist
+        -- You must set filetypes_denylist = {} to override the defaults to allow filetypes_allowlist to take effect
+        filetypes_allowlist = {},
+        -- modes_denylist: modes to not illuminate, this overrides modes_allowlist
+        -- See `:help mode()` for possible values
+        modes_denylist = {},
+        -- modes_allowlist: modes to illuminate, this is overridden by modes_denylist
+        -- See `:help mode()` for possible values
+        modes_allowlist = {},
+        -- providers_regex_syntax_denylist: syntax to not illuminate, this overrides providers_regex_syntax_allowlist
+        -- Only applies to the 'regex' provider
+        -- Use :echom synIDattr(synIDtrans(synID(line('.'), col('.'), 1)), 'name')
+        providers_regex_syntax_denylist = {},
+        -- providers_regex_syntax_allowlist: syntax to illuminate, this is overridden by providers_regex_syntax_denylist
+        -- Only applies to the 'regex' provider
+        -- Use :echom synIDattr(synIDtrans(synID(line('.'), col('.'), 1)), 'name')
+        providers_regex_syntax_allowlist = {},
+        -- under_cursor: whether or not to illuminate under the cursor
+        under_cursor = true,
+        -- large_file_cutoff: number of lines at which to use large_file_config
+        -- The `under_cursor` option is disabled when this cutoff is hit
+        large_file_cutoff = nil,
+        -- large_file_config: config to use for large files (based on large_file_cutoff).
+        -- Supports the same keys passed to .configure
+        -- If nil, vim-illuminate will be disabled for large files.
+        large_file_overrides = nil,
+        -- min_count_to_highlight: minimum number of matches required to perform highlighting
+        min_count_to_highlight = 1,
+        -- should_enable: a callback that overrides all other settings to
+        -- enable/disable illumination. This will be called a lot so don't do
+        -- anything expensive in it.
+        should_enable = function(bufnr) return true end,
+        -- case_insensitive_regex: sets regex case sensitivity
+        case_insensitive_regex = false,
+      }
+    end,
+  },
+
   { -- Autoformat
     'stevearc/conform.nvim',
     event = { 'BufWritePre' },