Update config

lua/custom/commands/quickfix.lua

@@ -0,0 +1,51 @@
+-- Shortcuts for quickfix
+
+local function clamp(target, a, b)
+  if target <= a then
+    return a
+  end
+  if target >= b then
+    return b
+  end
+  return target
+end
+
+local function clamp_linecount(target)
+  local count = vim.api.nvim_buf_line_count(0)
+  return clamp(target, 1, count)
+end
+
+vim.api.nvim_create_autocmd('BufWinEnter', {
+  callback = function(ev)
+    if vim.bo[ev.buf].buftype ~= 'quickfix' then
+      return
+    end
+
+    vim.keymap.set('n', 'dd', function()
+      local cursor = vim.api.nvim_win_get_cursor(0)
+
+      local entries = vim.fn.getqflist()
+      local rm_index = cursor[1]
+      table.remove(entries, rm_index)
+      vim.fn.setqflist(entries)
+
+      vim.api.nvim_win_set_cursor(0, { clamp_linecount(cursor[1]), cursor[2] })
+    end, { buffer = ev.buf })
+
+    vim.keymap.set('v', 'd', function()
+      local cursor = vim.api.nvim_win_get_cursor(0)
+
+      local from, to = vim.fn.line 'v', vim.fn.line '.'
+      local qf = {}
+      for i, v in ipairs(vim.fn.getqflist()) do
+        if i < from or i > to then
+          table.insert(qf, v)
+        end
+      end
+      vim.fn.setqflist(qf)
+      vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes('<esc>', true, true, true), 'nv', false)
+
+      vim.api.nvim_win_set_cursor(0, { clamp_linecount(from), cursor[2] })
+    end, { buffer = ev.buf })
+  end,
+})