From e4ac5c4ebcd52b4492916660673040d5a9612235 Mon Sep 17 00:00:00 2001
From: "Gustavo \"Guz\" L de Mello" <contact@guz.one>
Date: Wed, 10 Dec 2025 19:07:38 -0300
Subject: [PATCH] feat(commands): grip command for markdown preview

---
 lua/dot/commands.lua | 50 ++++++++++++++++++++++++++++++++++++++++++++
 lua/dot/init.lua     |  1 +
 2 files changed, 51 insertions(+)
 create mode 100644 lua/dot/commands.lua

diff --git a/lua/dot/commands.lua b/lua/dot/commands.lua
new file mode 100644
index 0000000..269ef16
--- /dev/null
+++ b/lua/dot/commands.lua
@@ -0,0 +1,50 @@
+-- Grip markdown reader
+
+---@type integer?
+local grip_channel = nil
+vim.api.nvim_create_user_command("GripStart", function()
+	if grip_channel then
+		return
+	end
+
+	local file = vim.api.nvim_buf_get_name(0)
+	local cmd = "go-grip -b false -H 0.0.0.0 " .. file
+
+	grip_channel = vim.fn.jobstart(cmd, {
+		on_stderr = function(_, err)
+			if grip_channel == nil then
+				return
+			end
+
+			vim.fn.jobstop(grip_channel)
+
+			local content = table.concat(err, "\n")
+			if #content > 0 then
+				vim.notify("Grip error: " .. content, vim.log.levels.ERROR, {})
+			end
+		end,
+		on_exit = function()
+			if grip_channel == nil then
+				return
+			end
+
+			vim.fn.chanclose(grip_channel)
+			grip_channel = nil
+		end,
+		stderr_buffered = true,
+	})
+end, {})
+
+vim.api.nvim_create_user_command("GripStop", function()
+	if grip_channel then
+		vim.fn.jobstop(grip_channel)
+	end
+end, {})
+
+vim.api.nvim_create_autocmd({ "QuitPre", "BufDelete" }, {
+	callback = function()
+		if grip_channel then
+			vim.fn.jobstop(grip_channel)
+		end
+	end,
+})
diff --git a/lua/dot/init.lua b/lua/dot/init.lua
index abefb00..d8b0e80 100644
--- a/lua/dot/init.lua
+++ b/lua/dot/init.lua
@@ -87,6 +87,7 @@ vim.diagnostic.config({
 	},
 })
 
+require("dot.commands")
 require("dot.keymaps")
 
 require("nvim-treesitter.configs").setup({