refactor!: api only

README.md

@@ -1,24 +1,9 @@
 [![CI](https://github.com/phanen/mder.nvim/actions/workflows/ci.yml/badge.svg)](https://github.com/phanen/mder.nvim/actions/workflows/ci.yml)
-# mder.nvim
 
+# mder.nvim
 ## Install
-```lua
-{ "phanen/mder.nvim", ft = "markdown", config = true },
-```
+> BREAKING CHANGES: this lib provide api only now
 
-## Config
-see `config.lua`
 ```lua
-local default_opts = {
-  ft = { "markdown", "typst" },
-  line = "<c- >",
-  codeblock = "<c-e>",
-  listdn = "o",
-  listup = "O",
-  img_link = "<leader>zi",
-  raw_link = "<leader>zj",
-}
+{ "phanen/mder.nvim", ft = "markdown" }
 ```
-
-## API
-see `commands.lua`

lua/mder/codeblock.lua

@@ -1,5 +1,7 @@
 -- surround codeblock with correct indent
-local wrap_codeblock = function()
+local M = {}
+
+M.surround = function()
   local vs, ve = vim.fn.getpos(".")[2], vim.fn.getpos("v")[2]
   if vs > ve then
     vs, ve = ve, vs
@@ -15,6 +17,4 @@ local wrap_codeblock = function()
   vim.api.nvim_feedkeys("A", "n", false)
 end
 
-return {
-  wrap_codeblock = wrap_codeblock,
-}
+return M

lua/mder/utils.lua

@@ -1,13 +1,13 @@
+local M = {}
+
 -- 0-index, exclusive, linewise
 -- also "correct" in normal mode
-local visual_region = function()
+M.visual_region = function()
   local vs, ve = vim.fn.line ".", vim.fn.line "v"
   if vs > ve then
     vs, ve = ve, vs
   end
   return vs - 1, ve
 end
 
-return {
-  visual_region = visual_region,
-}
+return M