Feat: Add the option mapping <C-h> to deleting a pair

README.md

@@ -21,6 +21,7 @@ local enable_afterquote = true  -- add bracket pairs after quote
 local enable_check_bracket_line = true  --- check bracket in same line
 local check_ts = false
 local map_bs = true  -- map the <BS> key
+local map_c_h = false  -- Map the <C-h> key to delete a pair
 local map_c_w = false -- map <c-w> to delete a pair if possible
 
 ```

lua/nvim-autopairs.lua

@@ -13,6 +13,7 @@ M.state = {
 
 local default = {
     map_bs = true,
+    map_c_h = false,
     map_c_w = false,
     map_cr = true,
     disable_filetype = { 'TelescopePrompt', 'spectre_panel' },
@@ -317,6 +318,17 @@ M.on_attach = function(bufnr)
             { expr = true, noremap = true }
         )
     end
+
+    if M.config.map_c_h then
+        api.nvim_buf_set_keymap(
+            bufnr,
+            "i",
+            utils.key.c_h,
+            string.format("v:lua.MPairs.autopairs_c_h(%d)", bufnr),
+            {expr = true, noremap = true}
+        )
+    end
+
     if M.config.map_c_w then
         api.nvim_buf_set_keymap(
             bufnr,
@@ -374,6 +386,10 @@ M.autopairs_c_w = function(bufnr)
     return autopairs_delete(bufnr, '<c-g>U<c-w>')
 end
 
+M.autopairs_c_h = function(bufnr)
+    return autopairs_delete(bufnr, utils.key.c_h)
+end
+
 M.autopairs_bs = function(bufnr)
     return autopairs_delete(bufnr, utils.key.bs)
 end

lua/nvim-autopairs/utils.lua

@@ -5,6 +5,7 @@ local log = require('nvim-autopairs._log')
 M.key = {
     del = "<del>",
     bs = "<bs>",
+    c_h = "<C-h>",
     left = "<left>",
     right = "<right>",
     join_left = "<c-g>U<left>",

tests/nvim-autopairs_spec.lua

@@ -514,6 +514,15 @@ local data = {
         after  = [[{{("It doesn't name %s", ''), 'ErrorMsg''|' }},  ]],
         end_cursor = 41
     },
+    {
+        setup_func = function()
+            npairs.setup({map_c_h = true})
+        end,
+        name = "map <c-h>",
+        key = "<c-h>",
+        before = [[aa'|' ]],
+        after  = [[aa| ]],
+    },
     {
         setup_func = function()
             npairs.setup({