nvim: Improve lazy-loading of select plugins

Aerial (on command), test-runners (on python only) and other plugins
are now only loaded when actually required.

nvim/.config/nvim/lua/plugins/core.lua

@@ -33,7 +33,6 @@ return {
 		config = function()
 			require("plugins.config.toggleterm")
 		end,
-		lazy = false,
 		cmd = { "ToggleTerm", "TermExec", "Lazygit", "Pythonterm" },
 	},
 	-- colorschemes
@@ -43,4 +42,10 @@ return {
 		priority = 1000,
 		dependencies = { "rktjmp/fwatch.nvim" },
 	},
+    -- try to avoid putting files in util buffers, e.g. filetree, aerial, undotree, ..
+    {
+        'stevearc/stickybuf.nvim',
+        config = true,
+    }
+
 }

nvim/.config/nvim/lua/plugins/data_analysis.lua

@@ -55,4 +55,27 @@ return {
 		ft = { "quarto", "python" },
 		lazy = false,
 	},
+
+    -- MARKDOWN ONLY
+	-- Evaluate markdown code blocks
+	{
+		"jubnzv/mdeval.nvim",
+		cmd = {
+			"MdEval",
+		},
+		ft = { "markdown" },
+		opts = {
+			require_confirmation = false,
+			eval_options = {},
+		},
+		lazy = false,
+	},
+	{
+	    "AckslD/nvim-FeMaco.lua",
+	    cmd = {
+	        "FeMaco"
+	    },
+	    ft = { "markdown" },
+	    config = true
+	}
 }

nvim/.config/nvim/lua/plugins/editing.lua

@@ -47,6 +47,6 @@ return {
 				},
 			})
 		end,
-		event = "VeryLazy",
+		event = "InsertEnter",
 	},
 }

nvim/.config/nvim/lua/plugins/ide.lua

@@ -8,7 +8,20 @@ return {
 			"nvim-treesitter/nvim-treesitter",
 			"nvim-tree/nvim-web-devicons",
 		},
-		event = "VeryLazy",
+		cmd = {
+			"AerialToggle",
+			"AerialOpen",
+			"AerialOpenAll",
+			"AerialClose",
+			"AerialCloseAll",
+			"AerialNext",
+			"AerialPrev",
+			"AerialGo",
+			"AerialInfo",
+			"AerialNavToggle",
+			"AerialNavOpen",
+			"AerialNavClose",
+		},
 		opts = {
 			backends = { "treesitter", "lsp", "markdown", "man" },
 		},
@@ -103,7 +116,7 @@ return {
 			require("neotest").setup({
 				adapters = {
 					require("neotest-python")({
-					    -- with coverage requires coverage.py and pytest-cov installed
+						-- with coverage requires coverage.py and pytest-cov installed
 						args = { "--cov" },
 					}),
 				},
@@ -113,6 +126,7 @@ return {
 				wk.register({ ["<localleader>t"] = { name = "+test" } })
 			end
 		end,
+		ft = { "python" },
 		keys = {
 			{
 				"<leader>st",
@@ -179,9 +193,10 @@ return {
 		},
 		config = function()
 			require("coverage").setup({
-				lang = { python = { coverage_command = "poetry run coverage json -q -o -" } } ,
+				lang = { python = { coverage_command = "poetry run coverage json -q -o -" } },
 			})
 		end,
+		ft = { "python" },
 		cmd = {
 			"Coverage",
 			"CoverageLoad",
@@ -211,6 +226,6 @@ return {
 				desc = "show coverage summary",
 				silent = true,
 			},
-		}
+		},
 	},
 }

nvim/.config/nvim/lua/plugins/ui.lua

@@ -55,6 +55,16 @@ return {
 		dependencies = {
 			"nvim-lua/plenary.nvim",
 		},
-		config = true,		event = "VeryLazy",
+		config = true,
+		keys = {
+			{
+				"<leader>su",
+				function()
+					require("undotree").toggle()
+				end,
+				desc = "toggle undotree",
+				silent = true,
+			},
+		},
 	},
 }