update

dot_config/nvim/lua/plugins/illuminate.lua

@@ -0,0 +1,32 @@
+vim.pack.add({
+  { src = "https://github.com/RRethy/vim-illuminate" },
+})
+
+require("illuminate").configure({
+  -- Providers in order of preference; treesitter provider needs the old
+  -- nvim-treesitter API (nvim-treesitter.locals), so leave it out
+  providers = { "lsp", "regex" },
+  under_cursor = false,
+  delay = 100,
+})
+
+-- The engine picks the first *ready* provider and never falls back per query,
+-- so with an LSP attached the regex provider never runs. LSP documentHighlight
+-- is semantic-only: words inside strings and non-symbol identifiers (e.g. the
+-- `world` in "Hello, world!" or a package name) get an empty result. Patch the
+-- LSP provider to fall back to regex matching when the server returns nothing.
+local lsp = require("illuminate.providers.lsp")
+local regex = require("illuminate.providers.regex")
+local lsp_get_references = lsp.get_references
+lsp.get_references = function(bufnr, cursor)
+  local refs = lsp_get_references(bufnr)
+  if refs and #refs == 0 then
+    return regex.get_references(bufnr, cursor)
+  end
+  return refs
+end
+
+-- Default plugin keymaps (set unless already taken):
+--   <A-n>  next reference
+--   <A-p>  previous reference
+--   <A-i>  select reference (text object, operator/visual pending)