better code actions

term/.config/nvim/init.lua

@@ -49,13 +49,78 @@ require("diff-base")
 -- ============================================================================
 -- STEP 4: LSP KEYMAPS
 -- ============================================================================
+local function fix_markdownlint()
+	local bufnr = vim.api.nvim_get_current_buf()
+	local filename = vim.api.nvim_buf_get_name(bufnr)
+	local markdownlint = vim.fn.exepath("markdownlint")
+	if markdownlint == "" then
+		markdownlint = vim.fn.stdpath("data") .. "/mason/bin/markdownlint"
+	end
+
+	if vim.fn.executable(markdownlint) == 0 then
+		vim.notify("markdownlint is not installed", vim.log.levels.WARN)
+		return
+	end
+
+	if filename == "" then
+		vim.notify("Save the Markdown buffer before fixing it", vim.log.levels.WARN)
+		return
+	end
+
+	vim.cmd.write()
+	vim.fn.jobstart({ markdownlint, "--fix", filename }, {
+		buffer = bufnr,
+		on_exit = function(_, exit_code)
+			vim.schedule(function()
+				if exit_code ~= 0 then
+					vim.notify("markdownlint could not fix this file", vim.log.levels.WARN)
+					return
+				end
+
+				vim.cmd.checktime()
+				vim.notify("markdownlint fixes applied", vim.log.levels.INFO)
+				vim.defer_fn(function()
+					require("lint").try_lint()
+				end, 100)
+			end)
+		end,
+	})
+end
+
 vim.keymap.set("n", "gd", vim.lsp.buf.definition, { desc = "Go to definition" })
 vim.keymap.set("n", "gD", vim.lsp.buf.declaration, { desc = "Go to declaration" })
 vim.keymap.set("n", "gi", vim.lsp.buf.implementation, { desc = "Go to implementation" })
 vim.keymap.set("n", "gr", vim.lsp.buf.references, { desc = "Show references" })
 vim.keymap.set("n", "K", vim.lsp.buf.hover, { desc = "Show hover docs" })
 vim.keymap.set("n", "<leader>rn", vim.lsp.buf.rename, { desc = "Rename symbol" })
-vim.keymap.set("n", "<leader>ca", vim.lsp.buf.code_action, { desc = "Code actions" })
+vim.keymap.set("n", "<leader>ca", function()
+	if vim.bo.filetype == "markdown" then
+		fix_markdownlint()
+		return
+	end
+	vim.lsp.buf.code_action()
+end, { desc = "Code actions / Markdown fixes" })
+vim.keymap.set("n", "<leader>fx", function()
+	if vim.bo.filetype == "markdown" then
+		fix_markdownlint()
+		return
+	end
+	vim.lsp.buf.code_action({
+		context = {
+			diagnostics = vim.diagnostic.get(0, {
+				lnum = vim.fn.line(".") - 1,
+			}),
+		},
+	})
+end, { desc = "Fix diagnostic" })
+vim.keymap.set("n", "<leader>fA", function()
+	vim.lsp.buf.code_action({
+		apply = true,
+		context = {
+			only = { "source.fixAll" },
+		},
+	})
+end, { desc = "Fix all diagnostics" })
 vim.keymap.set("n", "<leader>e", vim.diagnostic.open_float, { desc = "Show diagnostic" })
 
 vim.diagnostic.config({
@@ -138,4 +203,3 @@ vim.keymap.set("n", "<leader>ch", ":noh<CR>", { desc = "clear search highlightin
 
 -- toggle word wrap
 vim.keymap.set("n", "<leader>tw", ":set wrap!<CR>", { desc = "toggle word wrap" })
-