Update 2024-07-13

lua/plugins/inlay-hints.lua

@@ -1,12 +1,83 @@
 return {
-	"MysticalDevil/inlay-hints.nvim",
-	event = "LspAttach",
-	dependencies = { "neovim/nvim-lspconfig" },
-	keys = {
-		{ "<leader>oi", vim.cmd.InlayHintsToggle, desc = "Toggle InlayHints" },
+	{
+		"MysticalDevil/inlay-hints.nvim",
+		event = "LspAttach",
+		dependencies = { "neovim/nvim-lspconfig" },
+		keys = {
+			{ "<leader>oi", vim.cmd.InlayHintsToggle, desc = "Toggle InlayHints" },
+		},
+		opts = {
+			commands = { enable = true }, -- Enable InlayHints commands, include `InlayHintsToggle`, `InlayHintsEnable` and `InlayHintsDisable`
+			autocmd = { enable = true }, -- Enable the inlay hints on `LspAttach` event
+		},
 	},
-	opts = {
-		commands = { enable = true }, -- Enable InlayHints commands, include `InlayHintsToggle`, `InlayHintsEnable` and `InlayHintsDisable`
-		autocmd = { enable = true }, -- Enable the inlay hints on `LspAttach` event
+	{
+		"felpafel/inlay-hint.nvim",
+		event = "LspAttach",
+		opts = {
+			virt_text_pos = "eol",
+			highlight_group = "comment",
+			hl_mode = "combine",
+			display_callback = function(line_hints, options, bufnr)
+				if options.virt_text_pos == "inline" then
+					local lhint = {}
+					for _, hint in pairs(line_hints) do
+						local text = ""
+						local label = hint.label
+						if type(label) == "string" then
+							text = label
+						else
+							for _, part in ipairs(label) do
+								text = text .. part.value
+							end
+						end
+						if hint.paddingLeft then
+							text = " " .. text
+						end
+						if hint.paddingRight then
+							text = text .. " "
+						end
+						lhint[#lhint + 1] = { text = text, col = hint.position.character }
+					end
+					return lhint
+				elseif options.virt_text_pos == "eol" or options.virt_text_pos == "right_align" then
+					local k1 = {}
+					local k2 = {}
+					table.sort(line_hints, function(a, b)
+						return a.position.character < b.position.character
+					end)
+					for _, hint in pairs(line_hints) do
+						local label = hint.label
+						local kind = hint.kind
+						local text = ""
+						if type(label) == "string" then
+							text = label
+						else
+							for _, part in ipairs(label) do
+								text = text .. part.value
+							end
+						end
+						if kind == 1 then
+							k1[#k1 + 1] = text:gsub("^:%s*", "")
+						else
+							k2[#k2 + 1] = text:gsub(":$", "")
+						end
+					end
+					local text = ""
+					if #k2 > 0 then
+						text = " <- (" .. table.concat(k2, ",") .. ")"
+					end
+					if #text > 0 then
+						text = text .. " "
+					end
+					if #k1 > 0 then
+						text = text .. " => " .. table.concat(k1, ",")
+					end
+
+					return text
+				end
+				return nil
+			end,
+		},
 	},
 }