dotfiles/.config/nvim/lua/plugins/extras/coding/cmp/autopairs.lua

return {
  {
    "hrsh7th/nvim-cmp",
    dependencies = {
      "windwp/nvim-autopairs",
      opts = {},
    },
    opts = function()
      local cmp = require("cmp")
      local cmp_autopairs = require("nvim-autopairs.completion.cmp")
      local ts_utils = require("nvim-treesitter.ts_utils")
      local ts_node_func_parens_disabled = {
        -- ecma
        named_imports = true,
        -- rust
        use_declaration = true,
      }

      local npairs = require("nvim-autopairs")
      local Rule = require("nvim-autopairs.rule")
      local cond = require("nvim-autopairs.conds")
      local brackets = { { "(", ")" }, { "[", "]" }, { "{", "}" } }

      local get_closing_for_line = function(line)
        local i = -1
        local clo = ""

        while true do
          i, _ = string.find(line, "[%(%)%{%}%[%]]", i + 1)
          if i == nil then
            break
          end
          local ch = string.sub(line, i, i)
          local st = string.sub(clo, 1, 1)

          if ch == "{" then
            clo = "}" .. clo
          elseif ch == "}" then
            if st ~= "}" then
              return ""
            end
            clo = string.sub(clo, 2)
          elseif ch == "(" then
            clo = ")" .. clo
          elseif ch == ")" then
            if st ~= ")" then
              return ""
            end
            clo = string.sub(clo, 2)
          elseif ch == "[" then
            clo = "]" .. clo
          elseif ch == "]" then
            if st ~= "]" then
              return ""
            end
            clo = string.sub(clo, 2)
          end
        end

        return clo
      end

      local default_handler = cmp_autopairs.filetypes["*"]["("].handler
      cmp_autopairs.filetypes["*"]["("].handler = function(char, item, bufnr, rules, commit_character)
        local node_type = ts_utils.get_node_at_cursor():type()
        if ts_node_func_parens_disabled[node_type] then
          if item.data then
            item.data.funcParensDisabled = true
          else
            char = ""
          end
        end
        default_handler(char, item, bufnr, rules, commit_character)
      end

      cmp.event:on("confirm_done", cmp_autopairs.on_confirm_done())

      npairs.add_rules({
        -- Rule for a pair with left-side ' ' and right side ' '
        Rule(" ", " ")
          -- Pair will only occur if the conditional function returns true
          :with_pair(function(opts)
            -- We are checking if we are inserting a space in (), [], or {}
            local pair = opts.line:sub(opts.col - 1, opts.col)
            return vim.tbl_contains({
              brackets[1][1] .. brackets[1][2],
              brackets[2][1] .. brackets[2][2],
              brackets[3][1] .. brackets[3][2],
            }, pair)
          end)
          :with_move(cond.none())
          :with_cr(cond.none())
          -- We only want to delete the pair of spaces when the cursor is as such: ( | )
          :with_del(
            function(opts)
              local col = vim.api.nvim_win_get_cursor(0)[2]
              local context = opts.line:sub(col - 1, col + 2)
              return vim.tbl_contains({
                brackets[1][1] .. "  " .. brackets[1][2],
                brackets[2][1] .. "  " .. brackets[2][2],
                brackets[3][1] .. "  " .. brackets[3][2],
              }, context)
            end
          ),

        -- Javascript arrow key
        Rule("%(.*%)%s*%=>$", " {  }", { "typescript", "typescriptreact", "javascript" })
          :use_regex(true)
          :set_end_pair_length(2),

        -- Auto addspace on =
        Rule("=", "")
          :with_pair(cond.not_inside_quote())
          :with_pair(function(opts)
            local last_char = opts.line:sub(opts.col - 1, opts.col - 1)
            if last_char:match("[%w%=%s]") then
              return true
            end
            return false
          end)
          :replace_endpair(function(opts)
            local prev_2char = opts.line:sub(opts.col - 2, opts.col - 1)
            local next_char = opts.line:sub(opts.col, opts.col)
            next_char = next_char == " " and "" or " "
            if prev_2char:match("%w$") then
              return "<bs> =" .. next_char
            end
            if prev_2char:match("%=$") then
              return next_char
            end
            if prev_2char:match("=") then
              return "<bs><bs>=" .. next_char
            end
            return ""
          end)
          :set_end_pair_length(0)
          :with_move(cond.none())
          :with_del(cond.none()),
      })

      -- For each pair of brackets we will add another rule
      for _, bracket in pairs(brackets) do
        npairs.add_rules({
          -- Each of these rules is for a pair with left-side '( ' and right-side ' )' for each bracket type
          Rule(bracket[1] .. " ", " " .. bracket[2])
            :with_pair(cond.none())
            :with_move(function(opts)
              return opts.char == bracket[2]
            end)
            :with_del(cond.none())
            :use_key(bracket[2])
            -- Removes the trailing whitespace that can occur without this
            :replace_map_cr(function(_)
              return "<C-c>2xi<CR><C-c>O"
            end),
        })
      end
    end,
  },
  {
    "echasnovski/mini.pairs",
    enabled = false,
  },
}