ufo

after/plugin/ufo.lua

@@ -0,0 +1,17 @@
+vim.o.foldcolumn = '1' -- '0' is not bad
+vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
+vim.o.foldlevelstart = 99
+vim.o.foldenable = true
+
+-- Using ufo provider need remap `zR` and `zM`. If Neovim is 0.6.1, remap yourself
+vim.keymap.set('n', 'zR', require('ufo').openAllFolds)
+vim.keymap.set('n', 'zM', require('ufo').closeAllFolds)
+
+-- Option 3: treesitter as a main provider instead
+-- Only depend on `nvim-treesitter/queries/filetype/folds.scm`,
+-- performance and stability are better than `foldmethod=nvim_treesitter#foldexpr()`
+require('ufo').setup({
+  provider_selector = function(bufnr, filetype, buftype)
+    return { 'treesitter', 'indent' }
+  end
+})

lua/junikim/packer.lua

@@ -80,4 +80,6 @@ return require('packer').startup(function(use)
     require 'colorizer'.setup()
   end }
 
+  use { 'kevinhwang91/nvim-ufo', requires = 'kevinhwang91/promise-async' }
+
 end)