Highlight references to current word

nvim/dot-config/nvim/lua/plugins/lsp.lua

@@ -79,6 +79,19 @@ return {
 
 				-- Lesser used LSP functionality
 				map("gD", vim.lsp.buf.declaration, "[G]oto [D]eclaration")
+
+				local client = vim.lsp.get_client_by_id(event.data.client_id)
+				if client and client.server_capabilities.documentHighlightProvider then
+					vim.api.nvim_create_autocmd({ "CursorHold", "CursorHoldI" }, {
+						buffer = event.buf,
+						callback = vim.lsp.buf.document_highlight,
+					})
+
+					vim.api.nvim_create_autocmd({ "CursorMoved", "CursorMovedI" }, {
+						buffer = event.buf,
+						callback = vim.lsp.buf.clear_references,
+					})
+				end
 			end,
 		})
 

nvim/dot-config/nvim/lua/themes/gruvbox.lua

@@ -32,6 +32,9 @@ return {
 				CmpItemAbbrMatchFuzzy = { fg = colors.aqua, bold = true },
 				CmpItemMenu = { fg = colors.bg2 },
 				CmpItemKindFunction = { fg = colors.red },
+				LspReferenceText = { fg = colors.bg0, bg = colors.neutral_purple },
+				LspReferenceRead = { link = "LspReferenceText" },
+				LspReferenceWrite = { link = "LspReferenceText" },
 			},
 		})