nvim: replace comment plugin

.config/nvim/lua/my/coding.lua

@@ -2,9 +2,39 @@ require('my/plugins')
 require('my/keymaps')
 require('my/tools')
 
-vim.g.tcomment_opleader1 = '<Leader>c'
-vim.g.tcomment_mapleader1 = ''
-vim.g.tcomment_mapleader2 = ''
+require('Comment').setup({
+    toggler = {
+        line = '<Leader>cc',
+        block = '<Leader>CC'
+    },
+    opleader = {
+        line = '<Leader>c',
+        block = '<Leader>C'
+    },
+    extra = {
+        above = '<Leader>cO',
+        below = '<Leader>co',
+        eol = '<Leader>cA',
+    },
+    pre_hook = function(ctx)
+        local comment_utils = require "Comment.utils"
+        local context_utils = require('ts_context_commentstring.utils')
+        local context_internal = require('ts_context_commentstring.internal')
+
+        local location = nil
+        if ctx.ctype == comment_utils.ctype.blockwise then
+            location = context_utils.get_cursor_location()
+        elseif ctx.cmotion == comment_utils.cmotion.v or ctx.cmotion == comment_utils.cmotion.V then
+            location = context_utils.utils.get_visual_start_location()
+        end
+
+        return context_internal.calculate_commentstring {
+            key = ctx.ctype == comment_utils.ctype.linewise and "__default" or "__multiline",
+            location = location,
+        }
+    end
+})
+map('i', '<M-c>', '<Leader>cA')
 
 local neogit = require('neogit')
 neogit.setup {

.config/nvim/lua/my/filetypes.lua

@@ -6,6 +6,10 @@ require'nvim-treesitter.configs'.setup {
         enable = true,
         additional_vim_regex_highlighting = { 'org' }
     },
+    context_commentstring = {
+        enable = true,
+        enable_autocmd = false  -- handled by Comment
+    }
 }
 
 require('orgmode').setup{}

.config/nvim/lua/my/plugins.lua

@@ -28,6 +28,10 @@ require('packer').startup(function(use)
         tag = '*',
         requires = 'https://github.com/nvim-treesitter/nvim-treesitter'
     }
+    use {
+        'https://github.com/JoosepAlviste/nvim-ts-context-commentstring',
+        requires = 'https://github.com/nvim-treesitter/nvim-treesitter'
+    }
 
     -- completion
     use {
@@ -77,8 +81,8 @@ require('packer').startup(function(use)
 
     -- coding
     use {
-        'https://github.com/tomtom/tcomment_vim',
-        -- tag = '*'           -- NOTE: reactivate when tagged after 2022-08-15
+        'https://github.com/numToStr/Comment.nvim',
+        tag = '*'
     }
     use {
         'https://github.com/TimUntersberger/neogit',