Add configurations for autopairs

lua/kickstart/plugins/autopairs.lua

@@ -4,5 +4,48 @@
 return {
   'windwp/nvim-autopairs',
   event = 'InsertEnter',
-  opts = {},
+  config = function()
+    local npairs = require 'nvim-autopairs'
+    npairs.setup {}
+    local Rule = require 'nvim-autopairs.rule'
+    local cond = require 'nvim-autopairs.conds'
+
+    -- INFO: Add 'ins' inside 'a1' and 'a2' for specified language(s)
+
+    local function rule2(a1, ins, a2, lang)
+      npairs.add_rule(Rule(ins, ins, lang)
+        :with_pair(function(opts)
+          return a1 .. a2 == opts.line:sub(opts.col - #a1, opts.col + #a2 - 1)
+        end)
+        :with_move(cond.none())
+        :with_cr(cond.none())
+        :with_del(function(opts)
+          local col = vim.api.nvim_win_get_cursor(0)[2]
+          return a1 .. ins .. ins .. a2 == opts.line:sub(col - #a1 - #ins + 1, col + #ins + #a2) -- insert only works for #ins == 1 anyway
+        end))
+    end
+
+    rule2('{', '%', '}', 'html')
+    rule2('{%', ' ', '%}', 'html')
+    rule2('(', ' ', ')')
+    rule2('[', ' ', ']')
+    rule2('{', ' ', '}')
+
+    -- INFO: Add autopairs <> mainly for rust types and generics
+    npairs.add_rule(Rule('<', '>', {
+      -- if you use nvim-ts-autotag, you may want to exclude these filetypes from this rule
+      -- so that it doesn't conflict with nvim-ts-autotag
+      '-html',
+      '-javascriptreact',
+      '-typescriptreact',
+    }):with_pair(
+      -- regex will make it so that it will auto-pair on
+      -- `a<` but not `a <`
+      -- The `:?:?` part makes it also
+      -- work on Rust generics like `some_func::<T>()`
+      cond.before_regex('%a+:?:?$', 3)
+    ):with_move(function(opts)
+      return opts.char == '>'
+    end))
+  end,
 }